Pedon Descriptions

Classification: Albic Glossic Natraqualf; fine-silty mixed, thermic

Parent Material: Pleistocene age loess overlying more clayey alluvium in low areas on loamy braided-stream alluvium

Location: Franklin Parish, Louisiana; Lat. 32° 09' N, Long. 91° 43' W.

Pedon Descripton:

Ap* 0-13 cm; Dark grayish brown (10YR 4/2) silt loam; few medium faint dark yellowish brown (10YR 4/4) mottles; weak medium granular structure; friable; common fine roots; abrupt smooth boundary.

E 13-28 cm; Grayish brown (10R 5/2) silt loam; few medium faint yellowish brown (10YR 5/6) mottles; weak medium subangular blocky structure; friable; few black stains; few black concretions; clear irregular boundary.

B/Eg 28-43 cm; Grayish brown (10YR 5/2) silty clay loam; common medium faint yellowish brown (10YR 5/6) mottles; moderate medium subangular blocky structure; firm; few brown and black concretions; common random discontinuous tubular pores; clear irregular boundary.

Btg1 43-61 cm; Dark grayish brown (10YR 4/2) silt loam; few medium faint yellowish brown (10YR 5/2) silt loam between prisms; few black stains; few fine and medium random discontinuous tubular pores; many thin discontinuous clay films on vertical faces of peds; clear irregular boundary.

Btg2* 61-78 cm; Grayish brown (10YR 5/2) silty clay loam; few medium distinct yellowish brown (10YR 5/6) mottles; prismatic structure; common fine random discontinuous tubular fine pores; thin discontinuous clay films on vertical faces of peds; tongues of light brownish gray (10YR 6/2) silt loam; clear irregular boundary.

Btg3 78-99 cm; Grayish brown (10YR 5/2) silty clay loam; common medium distinct yellowish brown (10YR 5/6) mottles; prismatic structure; firm; light brownish gray silt coatings on vertical faces of peds; many thin discontinuous clay films on vertical faces of peds; tongues of light brownish gray (10YR 6/2) silt loam; clear irregular boundary.

Btg4 99-175 cm; Same as above except has few black strains; few black concretions.

Btg5 175-201 cm; Light Brownish gray (2.5YR 6/2) silty clay loam; many medium prominant strong brown (7.5YR 5/6) mottles; moderate medium subangular blocky structure; very firm; few dark stains; abrupt wavy boundary.

BCg1 201-239 cm; Light brownish gray (2.5Y 6/2) silty clay loam; many medium prominant strong brown (7.5YR 5/6) mottles; moderate medium subangular blocky structure; very firm; few dark stains; many black strains; abrupt wavy boundary.

BCg2 239-269 cm; Light brownish gray (2.5Y 6/2) clay loam; common medium distinct yellowish brown (10YR 5/6) mottles; moderate medium subangular blocky structure; firm; few silt coatings on ped faces; few black stains; abrupt wavy boundary.

2Cg 265-345 cm; Light yellowish brown (10YR 6/4) loamy fine sand; saturated.

Classification: Ruptic Vertic Albaqualf, fine, montmorillonitic, thermic

Parent Material: Colluvium and alluvium dreived from weathered Yegua materials.

Location: Boonville, TX

Pedon Description:

Ap 0-10cm; dark grayish brown (10YR4/2) fine sandy loam, pale brown (10YR 6/3) dry; few fine distinct brownish yellow (10YR 6/6) mottles; weak medium subangular blocky structure; hard, friable; many fine and medium roots; few fine pores; some root channels are lined with brown (7.5YR 4/4) colors; about 1 percent siliceous pebbles mainly less than 3/4 inch in diameter; slightly acid; abrupt smooth boundary. (0 to 6 inches thick)

A 10-25 cm; dark grayish brown (10YR 4/2) fine sandy loam, brown (10YR 5/3) dry; few fine distinct brown (7.5YR 4/4) mottles; weak medium subangular blocky structure; hard, frible; many fine and medium roots; few fine and medium pores; some root channels are lined with brown (7.5YR 4/4) colors; about 3 percent yellowish brown (10YR 5/4) krotovinas; about 1 percent siliceous pebbles mainly less than 3/4 inch in diameter; medium acid; clear wavy boundary. (3 to 20 inches thick)

Eg 25-45 cm; grayish brown (10YR 5/2) fine sandy loam, very pale brown (10YR 7/3) dry; few medium distinct yellowish brown (10YR 5/8) mottles; weak medium subangular blocky structure; hard, friable; common fine and few medium roots; few very fine pores; few fine iron-manganese concretions; about 1 percent siliceous and ironstone pebbles mainly less than 3/4 inch in diameter; medium acid; abrupt wavy boundary. (O to 10 inches thick)

Btg1 43-61 cm; dark grayish brown (10YR 4/2) clay, light brownish gray (10YR 6/2) dry; common medium prominent red (2.5YR 4/8) and common fine distinct yellowish brown (10YR 5/6) mottles; weak very coarse prismatic structure parting to moderate medium angular blocky; extremely hard, very firm; common fine roots; few fine pores; common pressure faces and few small slickensides; patchy dark gray clay films on surfaces of prisms; few fine iron-manganese concretions; about 1 percent siliceous and ironstone pebbles mainly less than 3/4 inch in diameter; slightly acid; clear wavy boundary.

Btg2 61-91 cm; grayish brown (2.5Y 5/2) clay; light brownish gray (2.5Y 6/2) dry; common medium distinct light olive brown (2.5Y 5/4) mottles; weak coarse prismatic structure parting to weak medium angular blocky; extremely hard, very firm; few fine roots; few fine pores; few pressure faces and small slickensides; patchy dark grayish brown clay films on surface of prisms; few fine iron-manganese concretions; about 1 percent siliceous and ironstone pebbles mainly less than 3/4 inch in diameter; neutral; clear wavy boundary.

Btg3 91-104 cm; grayish brown (2.5Y 5/2) clay loam, light brownish gray (2.5Y 6/2) dry; weak coarse prismatic structure parting to weak fine angular blocky; extremely hard, very firm; few fine roots; few fine pores; few pressure faces; patchy clay films on surface of prisms; few fine iron-manganese concretions; few fine masses of gypsum; about 1 percent siliceous and ironstone pebbles mainly less than 3/4 inch in diameter; moderately alkaline; clear wavy boundary. (combined thickness of Btg horizons 16 to 28 inches)

Btk 104-142 cm; light brownish gray (2.5Y 6/2) clay loam, light gray (2.5Y 7/2) dry, weak coarse prismatic structure parting to moderate medium angular blocky; extremely hard, very firm; few fine roots; few fine pores; few patchy clay films on surface of prisms; few fine iron-manganese concretions and common iron stains along the surface of peds and in some root channels; common fine calcium carbonate masses; few fine masses of gypsum; about 1 percent siliceous and ironstone pebbles mainly less than 3/4 inch in diameter; slightly effervescent; moderately alkaline; clear wavy boundary. (0 to 18 inches thick)

BCtl 142-163 cm; light yellowish brown (10YR 6/4) clay loam, pale yellow (10YR 7/4) dry; few fine distinct reddish yellow (7.5YR 6/8) mottles; weak coarse prismatic structure parting to moderate medium angular blocky; hard, firm; few fine roots; common fine pores; few patchy clay films on surface of prisms; few fine iron-manganese concretions; masses of gypsum make up 3 to 5 percent; shale fragments mainly less than 2 inches across make up about 5 percent; about 1 percent siliceous and ironstone pebbles mainly less than 3/4 inch in diameter; moderately alkaline; clear wavy boundary.

BCt2 163-185 cm; light yellowish brown (10YR 6/4) clay loam, pale yellow (10YR 7/4) dry; weak coarse prismatic structure parting to moderate medium angular blocky; hard, firm; few fine roots; common fine pores; few patchy clay films on surface of prisms; few fine iron-manganese concretions; few fine masses of gypsum; shale fragments mainly less than 2 inches across make up about 5 percent; about 1 percent siliceous and ironstone pebbles mainly less than 3/4 inch in diameter; moderately alkaline; abrupt smooth boundary. (combined thickness of BCt horizons 14 to 34 inches)

2CB 185-224 cm; light brownish gray (2.5Y 6/2) shale with clay loam texture; common medium prominent yellowish brown (10YR 5/8) mottles; weak very coarse prismatic structure parting to moderate medium platy; very firm very hard; few fine and medium masses of gypsum; some plates have iron stains on horizontal surfaces; about 1 percent siliceous and ironstone pebbles mainly less than 3/4 inch in diameter; mildly alkaline.

Classification: Fine, mixed, mesic Typic Paleudalf

Parent Material: Phosphatic limestone residum (Lexington limestone, Tanglewood member)

Location: Fayette County, Kentucky; Lat. 37° 58' 12 Nî, Long. 84° 31' 59" W.

Pedon Description:

Ap* 0-19cm; dark brown (10YR 4/3) silt loam; moderate fine and medium granular structure; friable; many fine roots; few, small, black concretions; strongly acid; clear, smooth boundary.

BA 19-35 cm; dark brown (7.5YR 3/4) silt loam; weak to moderate medium subangular blocky structure; firm; many fine roots; few, small, black concretions; medium acid; clear, smooth boundary.

Bt1* 35-50 cm; reddish brown (5YR 4/4) silty clay; weak medium prismatic parting into strong, angular and subangular blocky structure; common clay films; very firm; few fine roots; few, small, black concretions; medium acid; gradual smooth boundary.

Bt2 50-80 cm; same as above

Btc 80-105 cm; yellowish red, (5YR 4/6) gravelly clay; moderate medium and coarse subangular and angular blocky structure; common clay films; very firm; few, fine roots; many small and medium black concretions; 15 to 20% concretionary fragments; medium acid; abrupt smooth boundary.

2Bt1 105-130 cm; yellowish brown (10YR 5/8) and 10YR 5/8) clay; many medium and coarse light brownish gray (2.5YR 6/2) mottles; strong medium and coarse angular blocky structure; common clay films; some slickensides and pressure faces; very firm; many soft black concretions and stains; strongly acid; clear smooth boundary.

2Bt2 130-150 cm; same as above.

2BC 150-180 cm; brown (7.5YR 4/4) and pale brown (10YR 6/3) clay; weak medium and coarse angular blocky structure; very firm; common small black concretions and stains; many pressure faces; common small yellow/white chert fragments; very strongly acid; clear wavy boundary.

2C 180-27+ cm; light olive brown (2.5Y 5/4) clay; common medium faint light brown gray (2.5Y 6/2) and very dark grayish brown (10YR 3/2) mottles; massive structureless; very firm; a few pressure faces; strongly acid.

Classification: Typic Hapludalfs, fine-silty, mixed, thermic

Location: Graves County, Kentucky; Lat. 36° 32' 17"N, Long. 88° 35' 29" W.

Parent Material: Peoria and Roxanna loess

Pedon Description:

Ap* 0-18 cm.; dark yellowish brown (10YR 4/4) silt loam; about 10% B horizon material; moderate fine and medium granular structure; friable; many fine roots; neutral; abrupt smooth boundary.

Bt 18-48 cm; dark brown (7.5YR 4/4) silty clay loam; moderate medium subangular blocky structure; firm; common fine roots; common distinct dark brown (7.5YR 4/3) clay skins on faces of peds; few prominent black (W 2/0) manganese or iron-manganese stains on faces of peds; mildly alkaline; gradual smooth boundary.

Bt2* 48-79 cm; strong brown (7.5YR 4/6) silty clay loam; moderate medium subanglar blocky structure; firm; common fine roots; common distinct dark brown (7.5YR 4/3) clay skins on faces of peds; common prominent black (N 2/0) manganese or iron-manganese stains on faces of peds; medium acid; gradual smooth boundary.

Bt3 79-135 cm; strong brown (7.5YR 4/6) silt loam; moderate medium subangular blocky structure; firm; few fine roots; common distinct dark brown (7.5YR 4/3) clay skins on faces of peds; few distinct pale brown (10YR 6/3) silt coatings; few prominent black (N 2/0) manganese or iron-manganese stains on faces of peds; medium acid; gradual wavy boundary.

BC 135-168; dark brown (7.5YR 4/4) silt loam; weak coarse subangular blocky structure; friable; few distinct pale brown (10YR 6/3) silt coatings; few prominent black (N 2/0) manganese or iron-manganese stains; medium acid.

Classification: Typic Hapludalf, fine-silty, mixed, thermic

Parent Material: Loess

Location : Lat. 35° 08' 12.73" N, Long. 89° 13' 45.65" W

Pedon Description:

Ap* 0-25 cm; 10YR 4/3; SIL; 1FSBk; FR; Few fine Mn nodules. Common 10YR 5/3 mottles.

Bt1* 25-49 cm; 7.5 YR 4/4; SICL; 2MSbk; FR; Few fine Mn nodules.

Bt2 49-92 cm; 7.5YR 4/4; SIL; 2MSbk; FR.

Bt3 92-122 cm; 7.5YR 4/4; SIL; 2MSbk; FR; Few 10YR 6/4 mottles.

Bt4 122-175 cm; 7.5YR 4/4; SIL; 2MSbk; FR; Very few fine Mn nodules. Common 10YR 7/3 mottles.

2Btb1 175-213 cm; 7.5YR 4/4; SIL; 1MSbk; FR; Few Mn nodules. Fw 10YR 5/3 mottles.

2Btb2 213-246cm; 2.5YR 4/6; L; 1MSbk; FR: Transition zone. Few 10YR 5/3 mottles.

2Btb3 246-305 cm; 2.5YR 4/6; L: 1MSbk; FR: Common 10YR 5/4 mottles.

Classification: Typic Quartzipsamment, hyperthermic, uncoated

Parent Material: Sandy marine or aeolian deposits

Location: Ocala National Forest, Florida; Lat. 29° 17' N, Long. 81° 50' W.

Pedon Description:

A 0-10 cm; Dary gray (10YR 4/1) fine sand; single grain; loose; many fine and medium and few coarse roots; very strongly acid; clear wary boundary.

C1 10-30cm; Pale brown (10YR 6/3) fine sand; single grain; loose; few, faint, yellow (10YR 7/6) mottles; many uncoated sand grains; few fine pockets of charcoal; few fine and coarse and many medium roots; very strongly acid; clear wavy boundary.

C2 30-66 cm; Very pale brown (10YR 7/3) fine sand; few, coarse, faint yellow (10YR 7/6) mottles; dark yellowish-brown (10YR 4/4) along old root channels; single grain; loose; many pockets of uncoated sand grains; few fine and coarse and many medium roots; few fine pockets of charcoal; very strongly acid; gradual wavy boundary.

C3 66-203 cm; Very pale brown (10YR 8/4) fine sand; single grain; loose; many fine and few coarse roots; many uncoated sand grains; dark yellowish-brown (10 YR 4/4) along old root channels; few fine pockets of charcoal; very strongly acid.

Classification: Typic Haplumbrept, coarse-loamy, mixed, frigid

Parent Material: Local colluvium from metamorphic material

Location: Buncombe County, North Carolina; Lat. 35° 42' 05" N; Long. 82° 23' 23" W.

Pedon Description:

Oi 5 to 2 cm; no sample.

Oe 2 to 0 cm.

A1 0 to 8 cm; black (10YR 2/1) loam; weak fine granular structure; very friable, non sticky, non plastic; many very fine and fine roots throughout, and common medium and coarse roots throughout; many very fine and fine interstitial and tubular pores; few very fine and fine plate like mica flakes; extremely acid (pH 4.0); 1% cobbles; 1% stones; abrupt smooth boundary.

A2* 8 to 19 cm; very dark brown (10YR 2/2) loam; weak fine and medium granular structure; very friable, non sticky, non plastic; many very fine and fine roots between peds, and common medium and coarse roots between peds; common very fine and fine vesicular and tubular, and few medium vesicular and tubular pores; few very fine and fine mica flakes; extremely acid (pH 4.5); 1% pebbles; 1% cobbles; abrupt smooth boundary.

A3 19 to 39 cm; dark brown (10YR 3/3) loam; weak fine and medium granular structure; very friable, non sticky, non plastic; common medium and coarse roots between peds, and common very fine and fine roots between peds; many fine vesicular and tubular, and few medium vesicular and tubular pores; few very fine and fine mica flakes; extremely acid (pH 4.5); 1% cobbles; 1% stones; clear wavy boundary.

BA 39 to 64 cm; dark yellowish brown (10YR 4/4) sandy loam; common medium faint dark yellowish brown (10YR 3/4) mottles; weak fine subangular blocky structure; friable, non sticky, non plastic; common very fine and fine roots between peds, and few medium and coarse roots between peds; many fine vesicular and tubular, and few medium vesicular and tubular pores; few very fine and fine mica flakes; very strongly acid (pH 5.0); 3% pebbles; 7% cobbles; 2% stones; gradual wavy boundary.

Bw1 64 to 89 cm; dark yellowish brown (10YR 4/6) sandy loam; weak medium and coarse subangular blocky structure; friable, non sticky, non plastic; common medium roots between peds, and few very fine and fine roots between peds; few fine vesicular and tubular, medium and coarse vesicular and tubular, and fine tubular pores; few very fine and fine mica flakes; strongly acid (pH 5.5); 3% pebbles; 3% cobbles; 3% stones; gradual wavy boundary.

Bw2* 89 to 117 cm; dark yellowish brown (10YR 4/6) fine sandy loam; weak medium and coarse subangular blocky structure; friable, non sticky, non plastic; few medium roots between peds; few fine tubular pores; few very fine and fine mica flakes; strongly acid (pH 5.5); 6% pebbles; 10% cobbles; 4% stones; gradual wavy boundary.

BC 117 to 150 cm; yellowish brown (10YR 5/4) sandy loam; weak fine subangular blocky structure; very friable, non sticky, non plastic; few very fine roots between peds; few very fine tubular pores; few very fine and fine mica flakes; moderately acid (pH 6.0); 5% pebbles; 10% cobbles; 2% stones; gradual wavy boundary.

C 150 to 200 cm; yellowish brown (10YR 5/4) coarse sandy loam; massive; very friable, non sticky, non plastic; few very fine roots between peds; few very fine tubular pores; few very fine and fine mica flakes; moderately acid (pH 6.0); 5% pebbles; 5% cobbles.

Classification: Udertic Paleustoll

Parent Material: Sedimentary rock of the ìred bedsî formation

Location: Grant County, Oklahoma; Lat. 36° 48' 30" N, 97° 42' 0" W

Pedon Description:

Ap 0 to 23 cm; silt loam; weak medium subangular blocky structure; friable; clay films; abrupt boundary.

Bt* 23 to 53 cm; silty clay; strong medium prismatic structure; firm; clay films; clear boundary.

Btk 53 to 84 cm; silty clay loam; moderate medium subangular blocky structure; firm; clay films; clear boundary. 3% carbonate pwoder with few concretions.

By1 84 to 96 cm; silty clay loam; weak coarse subangular blocky structure; friable; clay films; gradual boundary. 15% gypsum. Crotovinas especially evident pockets are generally 10-25 cm. Manganese concretions especially prevale generally at 1-2 mm.

By2 96 to 121 cm; silty clay loam; weak coarse subangular blocky structure; friable; clear boundary. Powdery manganese.

2Cr 121 to 260 cm; gravelly silty clay loam; massive; extremely firm. Manganese coatings on joints and fractures.

2R 260 to 27 cm.

Classification: Anionic Acrudox; fine, sesquic, isohyperthermic

Parent Material:

Location: Mayaguez, PR; Lat. 18° 10' 49.90" N, Long. 67° 05' 55.01" W.

Pedon Description:

O 0-4 cm; Partially decomposed leaf mulch and twigs

A1 4-25cm; Dark reddish brown (2.5YR 2/4) clay; strong fine granular structure; friable; peds have shiny surfaces but no clay skins; many fine roots; strongly acid; smooth abrupt boundary.

Bw 25-43 cm; Dark reddish brown (2.5YR 3/4) clay; weak fine angular blocky structure; very friable; nonsticky, nonplastic; no clay skins; many fine pores and roots; very strongly acid; smooth clear boundary.

Bo1 43-70cm; Dark red (7.5 R3/8) clay; fine angular blocky structure; very friable; nonsticky and nonplastic; no clay skins; many fine pores, few fine roots; extremely acid; diffuse boundary.

Bo2 70-92 cm; Dark red (7.5 R 3/6) clay; massive; firm; nonsticky and slightly plastic; many fine pores; few fine iron concretions; strongly acid; diffuse boundary.

Bo3 92-118 cm; Dusky red (7.5R 3/4) clay; massive; friable; nonsticky and slightly plastic; many fine pores; few iron concretions and iron coated gravel (serpentine); strongly acid; gradual smooth boundary.

B4 118-152 cm; Dark red (7.5R 3/6) clay; massive; friable; nonsticky and slightly plastic; many fine pores; medium acid; diffuse smooth boundary.

B5 152-200+cm; Dusky red (7.5R 3/4) clay; massive; very firm, nonsticky, nonplastic; medium acid.

Classification: Ultic Alaquod

Parent Material: Sandy coastal plain sediment

Location: Alachua County, Florida; Lat. 29° 40' N, Long. 82° 10' W.

Pedon Description:

01 4-0 cm; Undecomposed to slightly decomposed pine needles.

Ap1 0-4 cm; Drak gray (10YR 4/1) sand; weak fine granular; loose; common medium, coarse, and fine roots; clear smooth boundary.

Ap2 4-18 cm; Dark gray (10YR 4/1) sand; single-grain; loose; common medium and coarse, and few fine roots; clear smooth boundary.

E 18-45 cm; Gray (10YR 6/1) sand; single-grain; loose; common medium and coarse, and few fine roots; clear smooth boundary.

Bh1 45-52 cm; Very dark gray (10YR 3/1) sand; single-grain; soft; many medium and fine roots; celar wave boundary.

Bh2 52-57 cm; Yellowish red (5YR 4/6) sand; massive; hard; many medium and fine roots; gradual smooth boundary.

Bh3 57-70 cm; Strong brown (7.5Y 5/6) sand; massive; hard; few medium roots; gradual smooth boundary.

Eí 70-107 cm; Light gray (10YR 7/2) sand; dark yellowish brown (10YR 4/4) root channels); single-grain; loose; few medium roots; clear smooth boundary.

Btg 107-141cm; Light gray (10YR 7/2) sandy clay loam; weak medium subangular blocky; with common medium prominent browish yellow (10YR 6/6) and few fine prominent strong brown (7.5 YR 4/6) mottles; friable; slightly sticky; slightly plastic; few medium roots.

Classification: Dystropeptic Tropudult; clayey, mixed, isohyperthermic

Parent Material:

Location: Mayaguez, PR; Lat. 18° 13' 12.32" N, Long. 67° 03' 7.56" W.

Pedon Description:

Ap 0-13 cm; Reddish-brown (5YR 4/4) clay; moderate medium granular to fine subangular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; many fine roots; very strongly acid; smooth boundary.

Bt1 13-30; Red (2.5 YR 4/8) clay; moderate medium subangular blocky structure; thin clay skins.; friable, slightly sticky, plastic, common fine roots, diminishing with depth; very strongly acid; few pebbles; clear smooth boundary.

Bt2 30-51 cm; Yellowish red (5YR 5/6) clay; some saprolite silty clay of yellowish brown(7.5 YR 6/8) to pink (10R 6/8) to grey or almost white; moderate medium subangular blocky structure; slightly sticky and plastic; continuous distinct redish brown (5YR 4/4) clay films on faces of peds; very strongly acid; volcanic rock fragments; clear smooth boundary.

Bw1 51-76 cm; Yellowish red (5YR 5/6) silty clay loam; some saprolite silty clay as described in above horizon; weak fine subangular blocky structure; very friable, slightly sticky, slightly plastic; few fine tubular pores with patchy thin yellowish red (5YR 5/6) clay films; very strongly acid; 5-10% pebbles; volcanic rock fragments, many with quartz crystals (1-5mm diameter) on inner surfaces; clear smooth boundary.

Bw2 76-120; Yellowish red (5YR 5/6) silty clay loam; with some variegated colors of saprolite as above; few distinct brown (7.5YR 4/6) and yellow (10YR 8/6) mottles; massive, very friable. slightly sticky, slightly plastic; few fine tubular pores with yellowish red coats; very strongly acid; 10% pebbles and volcanic rock fragmrnts, some soft; clear smooth boundary.

C 120+ cm; saprolite as described above.

This site has some weathered boulders as big as 50 cm diameter at various depths, as shallow as 45 cm at a few scattered spots in the field. Also there are scattered rocks 3-7cm diameter here and there that have been plowed up, many of which have qurtz crystals, usually coarse sand size growing in inner surfaces. The field has become almost terraced due to deep contour channels that have been installed periodically.

Classification: Typic Haplohumult; clayey, mixed, isohyperthermic

Parent Material:

Location: Mayaguez, PR; Lat. 18° 14' 37.46" N, Long. 67° 09' 12.62" W.

Pedon Description:

Ap 0-17 cm; Reddish brown (2.5YR 4/4) clay; weak fine granular structure; friable, slightly sticky, slightly plastic; many fine roots, clear smooth boundary.

AB 17-30 cm; Red (2.5YR 4/6) clay; moderate medium subangular blocky structure; friable, sticky, plastic; many fine roots, many fine pores; few patchy clay films on faces of peds and patchy darker red coats on faces of peds; very strongly acid; gradual wavy boundary.

Bt1 30-60 cm; Red (2.5YR 4/6) clay; few coarse distinct light brown (10YR 6/3) and yellow (10YR 7/8) and few fine distinct red (10R 4/8) mottles; weak medium subangular blocky structure; firm, sticky, plastic; few fine roots, few fine tubular pores; thin clay films and discontinuous coats; very strongly acid; clear wavy boundary.

Bt2 60-78cm; Red (2.5YR 5/8) moist clay; few coarse reddish yellow (7.5YR 5/8), few fine prominent white (10YR8/2) and light yellowish brown (10YR 5/8) mottles; weak medium subangular blocky structure; very friable; firm, sticky, plastic; few fine roots, few fine discontinuous tubular pores; thin clay films on ped surfaces and discontinuous faint coats; very strongly acid; 1 percent pebbles of volcanic rock; clear smooth boundary.

Bt3 78-92 cm; Red (10R 4/6) moist clay; many coarse reddish yellow (7.5YR 5/8), few fine prominent pinkish white (7.5YR8/2) mottles; weak coarse subangular blocky structure; friable, sticky, plastic; few fine roots, few fine discontinuous tubular pores; patchy clay films on ped surfaces and some discontinuous faint coats; very strongly acid; 2 percent pebbles of volcanic rock; clear smooth boundary.

BC 92-150 cm; Red (10R 4/8) moist silty clay loam; many coarse pinkish white (7.5YR 8/2) mottles; weak coarse subangular blocky structure; friable, sticky, plastic; few fine tubular pores; very strongly acid; 5 percent pebbles; clear smooth boundary; soft volcanic fragments.

C 150+ cm; Reddish yellow (2.5YR 6/8) moist silty clay loam; many coarse pinkish white (7.5YR 8/2) mottles; weak coarse subangular blocky structure; friable, slightly sticky, plastic; very strongly acid; 10 percent pebbles; clear smooth boundary; soft volcanic fragments.

Classification: Typic Kanhapludult, clayey, kaolinitic, thermic

Parent Material:

Location:

Pedon Description:

Ap*

Bt*

Classification: Typic Kanhapludult, clayey, kaolinitic, mesic

Parent Material: Residuum from gneissic materal; metagraywackes with little mafic influence.

Location: Buncombe County, North Carolina; Lat. 35° 31' 45" N, Long. 82° 34' 12" W.

Pedon Description:

Ap* 0 to 17 cm; reddish brown (5YR 4/4) fine sandy loam; weak medium granular structure; very friable, non sticky, non plastic; common very fine and fine roots between peds; common very fine and fine tubular pores; few fine plate like mica flakes; neutral (pH 7.0); abrupt smooth boundary.

BA 17 to 30 cm; red (2.5YR 4/8) clay loam; common fine distinct yellowish red (5YR 4/6), and medium faint dark yellowish brown (10YR 4/6) mottles; moderate medium subangular blocky structure; friable, slightly sticky, slightly plastic; common very fine and fine roots between peds; many very fine and fine vesicular, and common medium and coarse tubular pores; few faint red (2.5YR 4/6) discontinuous clay films on faces of peds and in pores; few fine plate like mica flakes; neutral (pH 7.0); clear wavy boundary.

Bt1 30 to 44 cm; red (2.5YR 4/6) clay; few fine faint yellowish red (5YR 4/6) mottles; moderate medium and coarse subangular blocky structure; friable, slightly sticky, slightly plastic; common very fine and fine roots between peds; many very fine and fine vesicular, and few medium and coarse tubular pores; many faint red (2.5YR 4/8) continuous clay films on faces of peds and in pores; few fine plate like mica flakes; neutral (pH 7.0); clear wavy boundary.

Bt2* 44 to 72 cm; red (2.5YR 4/6) clay; common medium and coarse faint yellowish red (5YR 4/6) mottles; moderate medium and coarse subangular blocky structure; friable, slightly sticky, slightly plastic; common very fine and fine roots between peds; many very fine and fine vesicular, and few medium and coarse tubular pores; many faint red (2.5YR 4/8) continuous clay films on faces of peds and in pores; few fine plate like mica flakes; neutral (pH 7.0); gradual wavy boundary.

BC 72 to 90 cm; red (2.5YR 4/6) clay loam; few medium faint very dark gray (2.5YR 3/0), and distinct, reddish yellow (7.5YR 6/8) mottles; moderate medium subangular blocky structure; friable, slightly sticky, slightly plastic; few very fine and fine roots between peds; few very fine and fine tubular pores; quartz vein running through BC 2.5-10 cm; common faint red (2.5YR 4/8) patchy clay films on faces of peds; few very coarse plate like iron-manganese concretions, and common very fine and fine plate like mica flakes; neutral (pH 7.0); gradual wavy boundary.

C1 90 to 114 cm; red (2.5YR 4/6) sandy loam; common medium and coarse prominent olive yellow (2.5Y 6/8), and very dark gray (2.5YR 3/0) mottles; massive; very friable, non sticky, non plastic; few very fine and fine roots between peds; few very fine and fine tubular pores; quartz vein running trhough C 2.5-10 cm; many very coarse plate like iron-manganese concretions, and common very fine and fine plate like mica flakes; slightly acid (pH 6.5); clear wavy boundary.

C2* 114 to 185 cm; red (2.5YR 4/6) sandy loam; common medium and coarse prominent olive yellow (2.5Y 6/8), and very dark gray (2.5YR 3/0) mottles; massive; very friable, non sticky, non plastic; few very fine and fine roots between peds; few very fine and fine tubular pores; quartz vein running through C 2.5-10 cm; many very coarse plate like iron-manganese concretions, and common very fine and fine plate like mica flakes; slightly acid (pH 6.5); clear wavy boundary.

C3 185 to 203 cm; sandy loam; massive; very friable, non sticky, non plastic; very fine and fine roots between peds; quartz vein running through C 2.5-10 cm; multicolor saprolite with relatively clayey bands; many very coarse plate like iron-manganese concretions, and common very fine and fine plate like mica flakes; slightly acid (pH 6.5); clear irregular boundary.

Cr 203 to 254 cm; weathered bedrock; very fine and fine roots between peds; multicolor weathered bedrock with relatively clayey bands; paralithic material in pockets; many very coarse plate like iron-manganese concretions, and common very fine and fine plate like mica flakes; slightly acid (pH 6.5).

Classification: Rhodic Paleudult, clayey, kaolinitic, thermic

Parent Material:

Location:

Pedon Description:

Ap*

Bt*

Classification: Typic Paleudult, fine-loamy, siliceous, thermic

Parent Material: Loamy marine sediment on the coastal plain

Location: Savannah River Forest Service Headquarters, south 1 mile on road 2, southeast about 2 miles on road F, about 300 feed west of road F and about 300 feet south of powerline in pine forest.

Pedon Description:

Ap* 0 to 15 cm; dark yellowish brown (10YR 4/4) loamy sand; weak medium granular structure; very friable; common fine roots; very strongly acid; abrupt wavy boundary.

Bt1 15 to 25 cm; yellowish red (5YR 4/6) sandy loam; weak medium subangular blocky structure; very friable; few faint clay films on faces of peds; few fine, medium and large roots; very strongly acid; gradual wavy boundary.

Bt2 25 to 43 cm; yellowish red (5YR 5/6) sandy loam; weak medium subangular blocky structure; friable; few faint clay films on faces of peds; common fine and few medium and large roots; very strongly acid; gradual wavy boundary.

Bt3 43 to 84 cm; yellowish red (5YR 4/6) sandy loam; weak medium and coarse subangular blocky structure; friable; common faint clay films on faces of peds; common fine and few medium roots; few fine holes; very strongly acid; diffuse smooth boundary.

Bt4 84 to 142 cm; red (2.5YR 4/8) sandy clay loam; weak coarse subangular blocky structure; friable; common faint clay films on faces of peds; few medium roots; few fine holes; very strongly acid; gradual wavy boundary.

Bt5 142 to 157 cm; red (2.5YR 4/8) sandy clay loam; few fine prominent strong brown (7.5YR 5/6) mottles; weak coarse subangular blocky structure; friable; common faint clay films on faces of peds; few small pebbles of quartz; very strongly acid.

Classification: Typic Rhodudult, clayey, mixed mesic

Parent Material:

Location:

Pedon Description:

Ap*

Classification: Arenic Hapludult, loamy, siliceous, hyperthermic

Parent Material: Sandy coastal plain sediment

Location: Alachua County, Florida; Lat. 29° 45' N, Long. 82° 15' W.

Pedon Description:

Ap 0-19 cm; Grayish Brown (10YR 5/2); sand; weak, fine, graular structure; very friable; few, fine roots; very strongly acid; clear smooth, boundary.

E1 19-43 cm; Light brownish gray (10YR 6/2); sand; single grain; loose; few fine and medium roots; strongly acid; gradual, smooth boundary.

E2 43-68 cm; Very pale brown (10YR 7/3); sand; single grain; loose; strongly acid; clear, smooth boundary.

Bt 68-90 cm; Brownish yellow (10YR 6/6); sandy clay loam; few, fine, distinct, light yellowish brown (10YR 6/4) mottles; weak, medium, subangular blocky strucutre, friable; strongly acid; clear, smooth boundary.

Btg1 90-142 cm; Red (2.5 YR 4/6) and gray (10YR 5/1); sandy clay; strong, medium subangular structure; friable; strongly acid; many clay skins; gradual, smooth boundary.

Btg2 142-202 cm; Gray to light gray (10YR 6/1); sandy clay loam; common, coarse, distinct, yellowish red (5YR 5/6) mottles; weak, medium, subangular structure; friable; strongly acid.

Classification: Typic hapludult, clayey, glauconitic, mesic

Parent Material:

Location: Burlington County, New Jersey.

Pedon Description:

0/A 5-0 cm; black (10YR 2/1) mill type organic matter with 10-15% clean quartz sand grains, strong crumb structure, few fine roots, abrupt boundary.

A* 0-14 cm; black (5Y 2.5/2) sandy loam, granular structure, many fine to medium roots, gradual boundary.

Bt* 14-45 cm; dark olive gray (5Y 3/2) to dark green sandy clay loam, angular blocky structure, fine to medium roots common, gradual boundary.

B/C 45-60cm; black (5Y 2.5/2) sandy clay loam/sandy loam, granular structure, few strong brown (7.5YR 5/8) to brownish yellow (10YR 6/8) iron concretions few medium roots, gradual boundary.

C1 60-80cm; black (5Y 2.5/2) sandy loam, similar to above, clear boundary.

2C2 80cm+; olive brown (2.5Y 4/4) sandy loam, granular structure, more quartz sand, more friable than above.

Classification: Vertic Haplaquept, very-fine, montmorillonitic, nonacid, thermic

Parent Material: Alluvial sediment of the Mississippi River.

Location: Iberville Parish, Louisiana; Lat. 30° 15' N, Long. 91° 05' W

Pedon Description:

Ap 0 to 13 cm; dark grayish brown (10YR 4/2) clay; weak fine granular structure; firm; few root channels filled with very dark grayish brown (10YR 4/1) clay; many fine roots; clear smooth boundary.

Bg1 13 to 28 cm; dark gray (10YR 4/1) clay; common fine faint dark yellowish brown (10YR 4/4) mottles; moderate fine angular blocky structure parting to very fine angular blocky; firm; many fine roots; clear smooth boundary.

Bg2 28 to 43 cm; dark gray (10YR 4/1) clay; few fine faint dark yellowish brown (10YR 4/4) mottles; moderate fine subangular blocky structure; firm; few fine roots; concentration of dark yellowish brown (10YR 4/4) around medium-size roots; gradual smooth boundary.

Bg3 43 to 71 cm; dark gray (10YR 4/1) clay; common-fine faint dark yellowish brown (10YR 4/4) mottles; moderate medium subangular blocky structure parting to moderate very fine subangular blocky; firm; few blotches of strong brown (7.5YR 5/6); few slickensides 0.5 to 2.5 cm in size; few fine roots; gradual smooth boundary.

Bg4 71 to 96 cm; dark gray (10YR 4/1) clay; common fine faint dark yellowish brown (10YR 4/4) mottles; moderate coarse subangular blocky structure parting to medium and fine subangular blocky; very firm; prominent slickensides 7 to 15 cm in diameter; few fine blotches of strong brown (7.5YR 5/6); distinct small CaCO₃ concentrations; very few roots; gradual smooth boundary.

BCg 96 to 127 cm; gray (10YR 5/1) clay; common fine faint dark yellowish brown (10YR 4/4) mottles; moderate medium subangular blocky structure; very firm; few very fine roots; small black and brown concentrations; slightly calcareous.

Classification: Udic Chromustert

Parent Material: Clayey marine sediments

Location: Bryan County, Oklahoma; Lat. 34° 06' N, Long. 96° 29' W.

Pedon Description:

A 0-7 cm; 10YR 3/1; 3,f,gr; SiCL; fr; g,s; - ; My, f+m

Bt1 7-34 cm; 10YR /32; 3,m,abk; C; h; a,w; -; Cnf+m

Btk2 34-59 cm; 2.5Y 4/2; 3,c,abk; C; vfi; d,s; -; Fw, f; Fw gravels (2-8 cm diam); 10% fine CaCO₃ nodules, Fw slickensides.

Btk3 59-102 cm; 2.5Y 5/4; l,c,sbk; C; vfi; g,w; e; Fw,f; Fw gravels (2-8 cm diam); 10% fine CaCO₃ nodules; My slickensides.

C1 102-143 cm; 10YR 6/8; m; C; vfi; g,w; ste; Fw,f; My, cr, pr2.5Y 7/0 mottles; 10% fine CaCO₃ nodules; Fw channers; My slickensides