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How do rocks such as limestone and marble form?
Limestone - sedimentary deposition of calcarious marine organisms. Marble - compressed (metamorphosed) limestone.
Limestone is made from shells of?
Limestone is made from the accumulation of calcite-rich shells of marine organisms like coral, oysters, and snails. Over time, these shells get compressed and cemented together to form solid limestone rock.
What is sandstone and limestone each made of?
Sandstone is compressed sand grains, and limestone is the compressed minute skeletal remains of ancient sea creatures.
What is the chief constituent in limestone?
Limestone is the compressed skeletal remains of minute sea-creatures.
Is chalk sedimentary?
Yes,!! Chalk is fine grains of limestone compressed together and limestone is sedimentary, so chalk has to sedimentary.
What rocks form from dead plants and animals that have been compressed?
Rocks that form from dead plants and animals that have been compressed are called sedimentary rocks. Examples include coal, which forms from compressed plant matter, and limestone, which can contain compressed remains of marine organisms. This process of transformation over time is known as diagenesis.
How does fossiliferous limestone form?
Fossiliferous limestone forms when the remains of marine organisms, such as shells, corals, and algae, accumulate on the ocean floor. Over time, these remains become compressed and cemented together to form a solid rock known as fossiliferous limestone. This process typically occurs in shallow, warm marine environments.
Does limestone turn water blue?
No, limestone is a sedimentary rock that is the basis for marble if it is compressed by millions of years of pressure. Limestone consists of calcium carbonate, CaCO3. Limestone dissolved in slightly acidic water forms the basis of stalactites and stalagmites in limestone caves.
Why does limestone turn into a powder when in vinagar?
When limestone, which is composed of calcium carbonate, reacts with vinegar (which contains acetic acid), a chemical reaction occurs that produces carbon dioxide gas. This gas bubbles through the solution and breaks the limestone down into calcium acetate, water, and carbon dioxide. The physical appearance of the limestone changes to a powdery form due to the breakdown of the solid structure as it dissolves.
Where is limestone formed in the earths crust?
Limestone is formed in the Earth's crust through the accumulation and compaction of the remains of marine organisms such as shells and coral over millions of years. It commonly forms in shallow, warm marine environments where these organisms thrive and contribute to the buildup of calcium carbonate deposits.
What kind of rocks we can consider as sedimentary rocks-?
Slate (compressed silt and mud); Sandstone (compressed sand grains); and limestone (the skeleton remains of microscopic shelled creatures).
Type of fault that may form when rocks are compressed?
A reverse fault may form when rocks are compressed.
