Define Marine sedimentary rocks.
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Answer:
Explanation:
Marine sediment, any deposit of insoluble material, primarily rock and soil particles, transported from land areas to the ocean by wind, ice, and rivers, as well as the remains of marine organisms, products of submarine volcanism, chemical precipitates from seawater, and materials from outer space (e.g., meteorites) ...
Answer:
These are formed at the ocean floor. These rocks are of two types-
a) Calcarious Sedimentary Marine Rocks- These are formed by the deposition of shells and skeletons of sea organisms- corals, clams and oysters, etc. They live on ocean floor and extract calcium carbonate from ocean water. Chalk and limestone are the examples of such rocks.
b) Carbonaceous Sedimentary Rocks- These rocks are formed by the sea plants which remain buried for a very long period. These long preserved remains are known as fossils. They are converted into the form of coal, lignite and peat due to pressure of overlying rocks on them.
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