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Glauconite, also known as 'green sand' is an iron potassium phyllosilicate (mica group) mineral of characteristic green color with very low weathering resistance and ...
Glauconite Image: Images: Glauconite. Comments: Green glauconite intermixed with quartz. Location: Ightham, Kent, England. Scale: See Photo.
Schneider, H. (1927) A study of glauconite. Journal of Geology: 35: 289-310. Hendricks, S.B. and Clarence S. Ross (1941), Chemical composition and genesis of ...
glauconite, glauconite Courtesy of the Field Museum of Natural History, Chicago; photograph, John H. Gerard/EB Inc. greenish ferric-iron silicate mineral with ...
Glauconite : Texas Greensand (Glauconite): Texas greensand is an iron potassium, silicate that is green in color due to the minerals it contains.
Greensand glauconite is used as a water softener for its chemical-exchange properties. Greensand coated with manganese oxide (called manganese greensand) ...
GA was mixed up with other overlying deposits, such as carbonate rocks, sandstone, glauconite sandstone, and Quaternary sediments, and piled in waste heaps.
Greensand is composed primarily of the mineral glauconite -- a potassium, iron, aluminum silicate. In some Delaware greensands, the glauconite content exceeds 90%.
noun 1. a greenish micaceous mineral consisting essentially of a hydrous silicate of potassium, aluminum, and iron and occurring in greensand, clays, etc.
The term glauconite has been employed in two senses. It has been used most commonly as a morphological term for sand-sized greenish grains found in sedimentary