MORPHOLOGY & MINERALOGY OF
WATER DISPERSIBLE SAND & SILTS


Table 2. Silt mineralogy as determined from grain counts.
Fractions are rounded off to nearest g/kg..

Soil

Quartz

Plagioclase

K feldspar

Muscovite

Biotite

 

----------------------------------------g/kg----------------------------------------

Alachua Bh

608

0

0

4

0

Boonville Ap

722

80

110

3

0

Decatur Ap

848

13

74

0

0

Heiden C2

444

60

56

51

0

Kirkland Bt

673

111

166

10

0

Maury Ap

806

31

127

4

0

Maury Bt

790

43

51

36

0

Memphis Bt

604

50

177

36

0

Ocala NF C

826

14

14

35

0

Orangeburg

711

0

102

56

0

Sharkey Ap

569

90

185

90

0

Soil

Phytoliths

TiO2

Kaolinite

Ilmenite

 

--------------------------------------g/kg--------------------------------------

Alachua Bh

0

34

319

4

Boonville Ap

77

8

0

0

Decatur Ap

22

17

0

0

Heiden C2

0

4

13

0

Kirkland Bt

15

10

0

5

Maury Ap

9

4

9

4

Maury Bt

0

22

0

0

Memphis Bt

9

18

22

0

Ocala NF C

0

7

42

0

Orangeburg

33

5

70

9

Sharkey Ap

14

5

19

5

Soil

Fe oxide

Calcite

Other

Total

Grains

 

-------------------------g/kg-------------------------

 

Alachua Bh

27

0

4

260

Boonville Ap

0

0

0

363

Decatur Ap

9

0

16

231

Heiden C2

9

328

17

232

Kirkland Bt

0

0

10

199

Maury Ap

0

0

0

227

Maury Bt

7

0

43

138

Memphis Bt

14

0

327

220

Ocala NF C

0

0

56

144

Orangeburg

0

0

9

215

Sharkey Ap

9

0

9

211


| Return to the List of Tables | Return to Contents |

Last Modified: November 24, 1998

Document Prepared by:
North Carolina Agricultural Research Service
North Carolina State University