Why are the White Cliffs of Dover white? - Answers
Mar 9, 2025 · The White Cliffs of Dover are white due to their composition of chalk, a soft, white, porous limestone formed from the skeletal remains of microscopic marine organisms. Over millions of years ...
How exactly is limestone (calcium carbonate specifically) formed? : r ...
Dec 11, 2020 · Is calcium carbonate only formed biotically like in the case of coral and seashell creatures, or is there a way to form it abiotically? How is there so much limestone inland? Was that …
How is coral limestone different from other types of limestone?
Jun 11, 2024 · Granite and limestone are very different rocks. Granite is an igneous rock formed from magma. It contains many different types of minerals.
How long does it take to turn limestone into marble? - Answers
Jun 13, 2024 · Limestone can turn into the metamorphic rock called marble through a process of metamorphism involving high pressure and high temperature. Marble is formed through the …
Which kind of sedimentary rock is formed by cemented shells
Jun 11, 2024 · Limestone is a common sedimentary rock formed from the accumulation of shell fragments, coral, and other marine organisms. Over time, these organic materials can become …
Cemented shells of marine organisms form which kind of ... - Answers
Jun 13, 2024 · Which kind of sedimentary rock is formed by cemented shells of marine organisms? Limestone is a sedimentary rock formed by cemented shells of marine organisms such as corals and …
What rock is formed from the shells of sea creatures? - Answers
Jun 16, 2024 · Limestone is a sedimentary rock composed of fragmented skeletons and shells of sea organisms. These fragments are compacted and cemented together over time to form the rock.
How is limestone formed? : r/geology - Reddit
Sep 30, 2023 · CO2 enters water from the atmosphere. In high enough pH, (some reaction I don't recall) combines with dissolved Ca++ ions forming CaCO3. If the pH is high enough and the temp high, falls …
When marine organisms die their shells eventually become what rock ...
Jun 10, 2024 · Chalk and coquina are examples of limestone formed from skeletal or shell remains of marine organisms. The cemented shells of marine organisms form limestone, which is a type of …
Which observation best shows that limestone was formed from ocean ...
Jun 12, 2024 · Limestone is often sedimentary, formed of calcite in the form of shells and coral. So it's found where there used to be an ocean. Skeletal remains of many sea creatures settle on the ocean …