Quartz morphologies from soils with sedimentary parent material. a. Grains from the Memphis soil showing morphologies of a loess source. b. Grain from the loessal Memphis soil showing many conchoidal fractures. c. Rounded grains from the Ocala sample showing the effects of rounding during transport by water. d. Grain from the Boonville soil where the water rounding is partially obscured by overgrowths.
