Item talk:Q41362: Difference between revisions

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(Updated rock class item discussion page with longer source data descriptions)
 
(Added additional content from Mindat and Geoscience Ontology to discussion page)
 
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= Mindat Description =
= Mindat Short Description =
A limestone which is friable and porous
 
= Geoscience Ontology Description =
A limestone which is friable and porous.
A generally soft, white, very fine-grained, extremely pure, porous limestone. It forms under marine conditions from the gradual accumulation of skeletal elements from minute planktonic green algae (cocoliths), associated with varying proportions of larger microscopic fragments of bivalves, foraminifera and ostracods. It is common to find flint and chert nodules embedded in chalk.

Latest revision as of 21:52, 9 November 2023

Mindat Short Description

A limestone which is friable and porous.

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