Organic sedimentary rock is comprised of the remains of once living organisms.
Organic sedimentary rocks, such as limestone and coal, are formed from the remains of once-living things. Limestone is primarily made of calcium carbonate from the shells and skeletal remains of marine organisms, while coal forms from the buildup of plant material in swampy environments over millions of years.
Clastic sedimentary rocks, like conglomerate and sandstone.
Organic sedimentary rocks are made up of once living organisms. Examples include limestone, chalk, and coal, which form from the accumulation and compaction of organic remains like shells, coral, and plant material. These rocks preserve clues about ancient environments and life forms.
Sediments in sedimentary rocks may be made of fragments of other rocks, minerals, and organic material like remains of plants and animals. These sediments are typically transported and deposited by processes such as erosion, weathering, and deposition.
The only rock that can form in this way is limestone formed from calcium carbonate concentrated in shells and exoskeletons like corals. The rock itself comes from sediment rich in these materials after the animals' deaths.
sedimentary rock
Organic sedimentary rocks, such as limestone and coal, are formed from the remains of once-living things. Limestone is primarily made of calcium carbonate from the shells and skeletal remains of marine organisms, while coal forms from the buildup of plant material in swampy environments over millions of years.
Some sedimentary rocks are formed at least partially of the remains of living things, but many are not. Fossil-rich rocks, coal, and some types of limestone are composed partly of the remains of organisms. Clastic sedimentary rocks such as shale and sandstone are made from sediment that has weathered out of pre-existing rock.
Organic sedimentary rocks are formed from the accumulation of once living things. Coal is an example of a sedimentary rock.
Coal.
Chemical sedimentary rocks form from dissolved minerals in water, such as limestone made from calcium carbonate. On the other hand, organic sedimentary rocks, like coal or limestone made from the remains of dead organisms, are created from the accumulation and compaction of organic material over time.
All fossils are found in sedimentary rocks. Some sedimentary rocks are made of nothing but fossils such as chalk. A creature ( microscopic or larger) skeleton is deposited after death usually on the ocean floor. Sediments cover it, and over time turns into a fossil.
sedimentary rock
There are different ways sedimentary rocks are formed. Many sedimentary rocks are made from the broken pieces and particles of other rocks, [which is a reason why the name was given to these types of rocks (sediment)] and these bits get cemented together. These types of sedimentary rocks are called clastic sedimentary rocks. Chemical sedimentary rocks are another type that comprise of mineral crystals, like gypsum and halite. Lastly, organic sedimentary rocks are made of, well...... organic materials. They are made of the remains of once living organisms and contain the remains of living creatures such as clam shells, plankton skeletons, dinosaur bones, and plants.
fossil
Clastic sedimentary rocks, like conglomerate and sandstone.
Sedimentary rock formed from pieces of once living organisms is called organic or biogenic sedimentary rock. This type of rock is made up of the remains of plants or animals that have been compacted and cemented together over time. Examples include limestone, coal, and chalk.