Simple Lithology


star this property definition 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. more like this
star this property source; C.S. Harris, 2009, unpublished web page, more like this
star this property type
star this property broader limestone
star this property narrower chalk
star this property in scheme simplelithology
star this property is primary topic of chalk& properties=prefLabel