GREENSAND

Greensand

Greensand or Green sand is either a sand or sandstone, which has a greenish color. This term is specifically applied to shallow marine sediment, that contains noticeable quantities of rounded greenish grains. These grains are called glauconies and consist of a mixture of mixed-layer clay minerals, such as smectite and glauconite mica. Greensand is also loosely applied to any glauconitic sediment.

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green sand

Noun

  1. An aggregate of sand, bentonite clay, pulverized coal, and water, used in making moulds for metal casting.


The above text is a snippet from Wiktionary: green sand
and as such is available under the Creative Commons Attribution/Share-Alike License.

greensand

Noun

  1. A greenish sandstone containing glauconite


The above text is a snippet from Wiktionary: greensand
and as such is available under the Creative Commons Attribution/Share-Alike License.

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