Glauconite Sand Photomicrographs Glauconitic argillaceous, siliciclastic sandstone with detrital glauconitic sand occurring in a condensed section. Detrital fragments of glauconite (green) in argillaceous, calcareous (stained red with alizarin red S), siliciclastic sand, with pyrite crystals (black) (under plane polarized light) (PPL). Note the quartz sand grains (white). Detrital fragments of glauconite (green) in argillaceous, calcareous (stained red with alizarin red S), siliciclastic sand, with pyrite crystals (black) (under plane polarized light) (PPL). Note the plant seed in the center of photo. Detrital fragments of glauconite (green) in argillaceous, siliciclastic sand, with pyrite (black) (under plane polarized light) (PPL). Note the terrigenous clay (brown), and quartz sand grains (white). Detrital fragments of glauconite (green) in argillaceous, siliciclastic sand, (under plane polarized light) (PPL). Note the quartz sand grains (white) and terrigenous clay (brown). Argillaceous, glauconite (green) sand, with pyrite (black), and numerous detrital fragments of glauconite (PPL). Argillaceous, glauconite (green) sand, with pyrite (black) (PPL). Contact Us LOCATION Integrated Exploration Services, Inc.15 Greenway Plaza, 11GHouston, Texas 77046 ABOUT US SERVICES CONTACT HOME