ఒక ఆకుపచ్చ ఖనిజ పొటాషియం లేదా ఇనుము లేదా మెగ్నీషియం లేదా అల్యూమినియం యొక్క ఉడక ద్రవ్యం; గ్రీన్సెడ్,

glauconite's Usage Examples:

The sands are characteristically dark green from glauconite but weather bright orange, with haematite "iron pans" forming.

consist of a mixture of mixed-layer clay minerals, such as smectite and glauconite mica.

The main potassium bearing minerals are glauconite and muscovite.

siltstone and sandstone and the top of the formation is formed by a layer of glauconite bearing sand.

cobble to pebble sized clasts, usually rounded, coated with phosphate and glauconite in a limestone matrix.

deposits, greater than 400 meters thick, that contained the minerals saponite, talc-saponite, Fe-rich mica (for example, glauconite-nontronite), Fe- and Mg-serpentine.

The formation gets its green colour from the mineral glauconite which forms slowly on the ocean floor.

Also, pellets composed of either glauconite or phosphorite are common in marine sedimentary rocks.

It is a silt-clay sedimentary rock, laminated, bluish-green, composed of glauconite (40–80%), potassium.

variations in the solid solutions from illite to aluminoceladonite and from glauconite to celadonite".

The iron-rich member of the illite group, glauconite, in sediments can be differentiated by x-ray analysis.

the stone also includes clay, fine-grained calcite, mica flakes and glauconite.

Thus references to "greensand marl" sometimes refer specifically to glauconite.

Synonyms:

mineral,

Antonyms:

organic,