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
You spelled it correctly.
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
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'
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'
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).
William Roger Hamilton has written: 'The history of mammals' -- subject(s): Fossil Mammals 'The principles of modern bookkeeping' -- subject(s): Accessible book, Accounting 'Minerals, rocks, and fossils' -- subject(s): Accessible book, Mineralogy, Paleontology, Pictorial works, Rocks 'Fossils and fossil collecting' -- subject(s): Collection and preservation, Fossils 'North African Lower Miocene rhinoceroses' -- subject(s): Fossil Rhinoceroses, Paleontology 'The Country Life guide to minerals, rocks and fossils'
J. T. Lawrence has written: 'Fossils' -- subject(s): Fossils, Juvenile literature, Paleontology
E. W. Nield has written: 'Drawing and understanding fossils' -- subject(s): Fossils, Natural history illustration 'Palaeontology, an introduction' -- subject(s): Paleobotany, Paleontology