Chalk - however, the fossils are microfossils called Coccolithophores.
Limestone is a soft sedimentary rock, not exactly "crumbly" like chalk but more likely to contain fossils visible to the naked eye.
pet rock
Rocks can provide a timeline that is reflective of our earthâ??s history. Organic material and fossils in the rock can be markers of events and changes.
Rocks can provide a timeline that is reflective of our earthâ??s history. Organic material and fossils in the rock can be markers of events and changes.
Dorothy Hill has written: 'Carboniferous fossils of Queensland' -- subject(s): Paleontology 'Jurassic fossils of Queensland' -- subject(s): Paleontology 'Devonian fossils of Queensland' -- subject(s): Paleontology
It is not possible to correctly answer you question. You would have to know what material(s) the rock is made of, and how much of each material it contains. Then it could be calculated as an approximation.
James Martin Monaco has written: 'Fee mining adventures & rock hunting expeditions in the U.S' -- subject(s): Collection and preservation, Directories, Fossils, Minerals, Rocks 'Fee mining and rockhounding adventures in the West' -- subject(s): Collection and preservation, Directories, Fossils, Minerals, Rocks
Richard Moody has written: 'Prehistoric World' 'Atlas of the Evolving Earth' 'Field Guide to Fossils (Colour Field Guide)' 'Fossils' -- subject(s): Fossils, Identification 'Fosiles' 'A natural history of dinosaurs' -- subject(s): Dinosaurs 'Prehistoric Life #05924' 'Fossils' -- subject(s): Fossils, Identification 'A record of Methodism in Hensall' -- subject(s): Hensall Methodist Church 'The Evans Gambit Revolution'
If the sedimentary rock contains angular gravel sized (> 2mm) sediment it is called a brecciia. If the gravel is rounded it is called a conglomerate.
Roland Goldring has written: 'Fossils in the field' -- subject(s): Field work, Fossils, Paleontology
Fossils are classified into three. Here is the fossil type and example(s): cast fossils (filled in with molds), trace fossils (burrows, gastroliths, footprints), and true form fossils (real animal or real animal part).
H. H. Swinnerton has written: 'The growth of the world and of its inhabitants' -- subject(s): Evolution 'Fossils' -- subject(s): Fossils 'Outlines of palaeontology' -- subject(s): Paleontology 'Nottinghamshire'
J. T. Lawrence has written: 'Fossils' -- subject(s): Fossils, Juvenile literature, Paleontology