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Fossiliferous gastropods are found in a variety of locations around the world, including sedimentary rocks, marine deposits, and fossil beds. Some common sites where fossiliferous gastropods are found include limestone formations, shale layers, and ancient sea floors. These fossils offer valuable insights into the evolution and diversity of gastropods over millions of years.
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What is a rock made from animal remains called?
A rock made from animal remains is called a fossiliferous rock. These rocks contain fossils, which are the preserved remains or traces of ancient organisms. Common examples include limestone and shale, where the remains of marine animals or plants are often found. Fossiliferous rocks provide valuable insights into the history of life on Earth.
How are clastic limestone and fossiliferous limestone deposition different?
Clastic limestone is made up of fragments of pre-existing limestone, while fossiliferous limestone contains fossil remains. Clastic limestone forms through mechanical processes like erosion and sedimentation, while fossiliferous limestone results from the accumulation of marine organisms' shells and skeletons.
What Organic sedimentary rock is formed from layers of bones and shells?
The organic sedimentary rock formed from layers of bones and shells is called limestone, specifically fossiliferous limestone. This type of limestone is composed mainly of calcite, which is derived from the calcium carbonate found in the shells and skeletons of marine organisms. Over time, the accumulation and compaction of these biological materials create the rock. Fossiliferous limestone often contains visible fossils, providing insights into past marine environments.
What is the difference between fossiliferous limestone and oolitic limestone?
Fossiliferous limestone has larger fossils in the rock and is of biochemical composition where as the oolitic limestone doesn't have any fossils and has a chemical composition. The Oolitic limestone has spherical grains that resemble miniature pearls (they are called ooliths or ooids). Both do effervesce in diluted HCL(acid)
Is a petoskey stone clastic?
A "petoskey" stone was originally an fossiliferous (with a coral fossil), organic (sedimentary) limestone. The original limestone has been glaciated and pieces of the fossiliferous limestone containing the corals have been plucked form their bedrock matrix and rounded into pebbles as they have been carried along by ice. When the ice melted these pebbles have been dropped into whatever was below them. This means a petroskey stone is a clast in a "new", modern clastic rock. However the stones themselves are not originally from a clastic rock, they are sedimentary in origin.
Depositional environment for fined-grained yellow-brown moderately sorted fossiliferous sandstone?
Answer Moderately sorted and fossiliferous would indicate perhaps a continental shelf depositional area.
What is a rock made from animal remains called?
A rock made from animal remains is called a fossiliferous rock. These rocks contain fossils, which are the preserved remains or traces of ancient organisms. Common examples include limestone and shale, where the remains of marine animals or plants are often found. Fossiliferous rocks provide valuable insights into the history of life on Earth.
How are clastic limestone and fossiliferous limestone deposition different?
Clastic limestone is made up of fragments of pre-existing limestone, while fossiliferous limestone contains fossil remains. Clastic limestone forms through mechanical processes like erosion and sedimentation, while fossiliferous limestone results from the accumulation of marine organisms' shells and skeletons.
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.
HOW DOES fossiliferous form?
it first forms by someone taking the stone and rubbing it on the ground lol
What Organic sedimentary rock is formed from layers of bones and shells?
The organic sedimentary rock formed from layers of bones and shells is called limestone, specifically fossiliferous limestone. This type of limestone is composed mainly of calcite, which is derived from the calcium carbonate found in the shells and skeletons of marine organisms. Over time, the accumulation and compaction of these biological materials create the rock. Fossiliferous limestone often contains visible fossils, providing insights into past marine environments.
What is the difference between fossiliferous limestone and oolitic limestone?
Fossiliferous limestone has larger fossils in the rock and is of biochemical composition where as the oolitic limestone doesn't have any fossils and has a chemical composition. The Oolitic limestone has spherical grains that resemble miniature pearls (they are called ooliths or ooids). Both do effervesce in diluted HCL(acid)
What kind of grains does limestone have in it?
Limestone is primarily composed of the mineral calcite and may be very fine-grained, oolitic, or fossiliferous.
Who named the the fossiliferous strata of Southern Wales?
The fossiliferous strata of Southern Wales were named by the geologist Sir Richard Griffiths in the early 19th century. He was influential in the study of geology in Wales and contributed significantly to the understanding of the region's stratigraphy. His work helped to establish the geological time scale and classification of fossil-bearing rocks in the area.
What caused Fossiliferous Limestone to be a cliff?
Exposure on a cliff face would be caused by erosion, uplift, or faulting of the crust in an area that was at one time under water.
If you examined a rock sample and observe fossils in it what type of rock does the sample represent?
Fossils are only found in rocks that are laid down on the surface of the Earth. The majority of fossiliferous rocks are therefore sedimentary BUT fossils are also occasionally found in lava flows (igneous rocks) - eg lava trees and in some metamorphosed sedimentary rocks (metamorphic rocks) - eg the "delabole butterfly"
Is a petoskey stone clastic?
A "petoskey" stone was originally an fossiliferous (with a coral fossil), organic (sedimentary) limestone. The original limestone has been glaciated and pieces of the fossiliferous limestone containing the corals have been plucked form their bedrock matrix and rounded into pebbles as they have been carried along by ice. When the ice melted these pebbles have been dropped into whatever was below them. This means a petroskey stone is a clast in a "new", modern clastic rock. However the stones themselves are not originally from a clastic rock, they are sedimentary in origin.
