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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 ...
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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 : Texas Greensand (Glauconite): Texas greensand is an iron potassium, silicate that is green in color due to the minerals it contains.
glauconite, greenish ferric-iron silicate mineral with micaceous structure [(K, Na)(Fe 3+,Al, Mg) 2 (Si, Al) 4 O 10 (ΟH) 2], characteristically formed on submarine ...
Greensand or Green sand is either a sand or sandstone, ... Greensand glauconite is used as a water softener for its chemical-exchange properties.
GA was mixed up with other overlying deposits, such as carbonate rocks, sandstone, glauconite sandstone, and Quaternary sediments, and piled in waste heaps.
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
Greensand is composed primarily of the mineral glauconite -- a potassium, iron, aluminum silicate. In some Delaware greensands, the glauconite content exceeds 90%.
glauconite grains are typically dark green and have botryoidal shapes. Locally, thin stringers of pale-greenish-brown, smooth-surface glauconite occur near the top.