Greensand - meaning and definition. What is Greensand
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What (who) is Greensand - definition

SAND OR SANDSTONE CONSISTING LARGELY OF GLAUCONITE, A GREENISH GRANULAR MINERAL
Upper Greensand; Greensand formation; Glauconitic sandstone; Malmstone; Greensand (sedimentary rock); Greensand (geology); Green sand (geology)
  • Greensand (glauconitic sandstone)
  • Occurrence of glauconitic siltstone in the Serra da Saudade ridge, in the [[Alto Paranaíba]] region, [[Minas Gerais]], Brazil.

Greensand         
·noun A variety of sandstone, usually imperfectly consolidated, consisting largely of glauconite, a silicate of iron and potash of a green color, mixed with sand and a trace of phosphate of lime.
greensand         
¦ noun Geology a greenish kind of sandstone, often loosely consolidated.
Greensand         
Greensand or green sand is 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.

Wikipedia

Greensand

Greensand or green sand is 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. Greensand is also loosely applied to any glauconitic sediment.