L~
Fig. 3.9. Photomicrographs, in ordinary light, of thin sections of modern sands from various environments illustrating differences
in grain size, shape, and sorting. (A) Poorly sorted glacial outwash, Sutherland, Scotland. Note angular lithic grains. (B) Fluvial sand
from a Welsh river. Note well-rounded lithic grains. (C) Beach sand, Miami Hilton, Florida. Predominantly quartz, with minor shell
debris. (D) Eolian dune sand, Jebel Rummel, Libya. All photographs enlarged 30 x.
Fig. 3.9. Photomicrographs, in ordinary light, of thin sections of modern sands from various environments illustrating differences
in grain size, shape, and sorting. (A) Poorly sorted glacial outwash, Sutherland, Scotland. Note angular lithic grains. (B) Fluvial sand
from a Welsh river. Note well-rounded lithic grains. (C) Beach sand, Miami Hilton, Florida. Predominantly quartz, with minor shell
debris. (D) Eolian dune sand, Jebel Rummel, Libya. All photographs enlarged 30 x.