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One form of fossil forms when an organism dies and its body is covered by layers of sediment. As time passes, the organism itself, particularly when composed primarily of softer materials, is eroded and carried away, leaving a negative imprint of its body. This type of fossil is called a mold. A cast fossil forms when a mold fossil is filled with some form of mineral, usually through the seepage of water depositing the minerals within the mold. In time, the mold is filled and the materials deposited harden, creating a replica of the original fossil. This is called a cast fossil.

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โˆ™ 2014-12-13 17:27:54
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Q: What is a cast fossil?
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A Sentence for a cast fossil?

A cast fossil is a copy of a fossil


What is the difference between a cast fossils and a mold fossil?

a cast fossil is an impression of an fossil while a a mold fossil is the duplicate of a fossil


What is the difference between a mold and a cast fossil?

a mold fossil is the impression that are in a rock. a cast fossil is filled by minerals


What is a fossil that formed when sediments filled in a fossil mold?

A cast fossil


How is a cast fossil formed?

a Cast fossil is formed when the mold is filled with another material forming a cast.


What are the steps necessary for a fossil cast to form?

What are the steps necessary for a fossil cast to form?


Is a cast fossil one kind of carbonized fossil?

yeppers


What is the difference between a mold fossil and a cast fossil?

A fossil mold is formed by the impression left in rock by the remains of an organism. A cast fossil occurs when the mold is filled in by precipitating minerals.


How is a cast fossil created?

a cast fossil is formed when minerals replace animal tissue. tese minerals from a fossil that looks just like the original. the cast fossil is a three-dimensional image of the organism made of different material. while the mold fossil is an impression of the organism.


What are the six types of fossils?

The six types of fossils are ............ mold fossil cast fossil trace fossil petrified fossil carbon fossil perserved fossil


A fossilized jaw bone would represent what type of fossil?

either: cast fossil petrified fossil imprint fossil trace fossil


Can a fossil be a mold cast?

no


What type of fossil is the solid copy of the shape of the organism?

a cast fossil


Describe three types of trace fossil?

a trace fossil is like cast, mold, or trace fossil


Show picture of a cast fossil?

cast are sunk in


What type of fossil is formed when an organism is buried in sediment?

It is called a mold fossil, which can become a cast fossil. After the soft parts of the animal rot away, a cavity remains (the mold fossil) which becomes filled with hardened sand or mud (the cast fossil).


What is the difference between a cast and a mold fossil?

A fossil mold is formed by the impression left in rock by the remains of an organism. A cast fossil occurs when the mold is filled in by precipitating minerals.


What is cast fossil?

it is a fossil copy of an organism filled withsediment or mineral deposits.


What is a cast type fossil?

Mold


What is an example of a cast fossil?

A cast fossil is when an animal or plant is imprinted on a hardened substance. The actual plant or animal material is not present.


What is the difference between cast and petrified fossil?

Cast fossil: fossil that is produced after an organism decomposes leaving a hollow mold in the sediment that gets filled with minerals Petrified fossil: fossil that is produced by minerals replacing actual cells in the organism that the organism actually becomes statue-like


What is more often found - a cast fossil or a mold fossil?

yes it does when the fossil goes into the ground, but not always like when it rains the fossil does not go in the ground fully.


What is a fossil cast?

A cast fossil is used to preserve the hard parts associated with an organism or species. Fossils are most commonly used in regards to dinosaurs.


What is cast fossils?

Cast fossil is formed when the mold is filled with another material forming a cast.


How is a cast formed?

a Cast fossil is formed when the mold is filled with another material forming a cast.