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Found at the top of eroded hill of similar color (W. NV). Nearby to chalk and selenite. Looks like it's made up of tiny crystals, but not sure if that's case. What
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Chalk Rock Type, Composition, Formation, Occurrence & Uses
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DISCOVERING FOSSILS | What is chalk and how does it form?
Chalk | Properties, Composition, Formation and Uses
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Chalk
Chalk: A biological limestone formed from shell debris
Chalk | Sedimentary, Limestone, Calcium Carbonate | Britannica
DISCOVERING FOSSILS | What is chalk and how does it form?
Chalk | Properties, Composition, Formation and Uses
Geological Society - Chalk cliffs, Sussex
Chalk - Wikipedia
a SEM image of chalk made up of calcium carbonate. b SEM image of chalk... | Download Scientific Diagram
