Answer :
Final answer:
Fossiliferous limestone is a biochemical sedimentary rock that forms primarily in marine environments through the compaction and cementation of oceanic organism remains into solid rock, containing visible fossils.
Explanation:
Fossiliferous limestone is a type of biochemical sedimentary rock that primarily forms in marine environments. This rock is characterized by the presence of visible fossils from various organisms that once lived in the ocean. The process involves living creatures in the ocean or salt lakes removing ions, such as calcium, magnesium, and potassium, from the water to create shells or soft tissue. Upon death, these organisms sink to the ocean floor, where their remains become part of the biochemical sediment.
Over time, this material may become compacted and cemented into solid rock, containing preserved fossils of brachiopods, bryozoans, mollusks, and foraminifera, among others. Such environments where fossiliferous limestone forms include ancient coral reefs and lagoon areas, as indicated by formations like those found in Ambergris, Belize, and the Kope Formation of Ohio.
Final answer:
Limestone is a type of rock made of calcium carbonate. Most limestone is biogenic, formed from the shells and skeletons of marine invertebrates. This process is known as biochemical sedimentation.
Explanation:
Limestone is a type of rock made of calcium carbonate. Most limestone is biogenic, formed from the shells and skeletons of marine invertebrates. When these creatures die, their hard parts fall to the sea floor and become compacted and cemented into solid rock. This process is known as biochemical sedimentation, where living creatures remove ions from the water to make shells or soft tissue, and when they die, their remains become sediment that can form limestone.
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