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There are mold and cast fossils in many local creeks, streams, and/or rivers.

If the original organism dissolves or decays, leaving a hollow in the rock, that is a mold.

If the mold fills up with sediment which gradually hardens into the shape of the original organism, then that is a cast.

Casts are copies of fossilized plants or animals. Molds are hollow impressions of the fossil.
Its a Fossil.

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βˆ™ 12y ago
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βˆ™ 4mo ago

Mold and cast fossils are related but not the same thing. A mold fossil forms when an organism decays and leaves an impression in the surrounding sediment, while a cast fossil forms when that mold is filled with minerals that harden into a replica of the original organism. In essence, a mold is an imprint of the organism, while a cast is a replica.

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βˆ™ 12y ago

Most fossils are formed from a mould/cast, which are essentially the same thing. It consists of a hollow being filled with a soluble deposit, and this hollow can be described either as a mould or cast.

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βˆ™ 11y ago

burgars and fries

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βˆ™ 13y ago

Yes, they are.

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Q: Are mold and cast fossil the same thing?
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Related questions

What forms when a fossil mold is filled?

When a fossil mold is filled, it forms a fossil cast. The cast is a replica of the original organism or object that created the mold, made of the same material as the original organism or object. Fossil casts are valuable in paleontology for studying the morphology of ancient organisms.


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What is the difference between a cast and a mold?

A cast is a solid object formed by pouring a liquid material into a mold and allowing it to harden. A mold is a hollow shape that defines the exterior shape of the cast. In essence, the mold gives shape to the cast during the casting process.


What is the difference between mold and mold?

Just the spelling, some words are spelled different ways in different countries like color (USA) colour(UK) but mean the same thing or completely different words for the same thing even with the same common language due to regional differences. like gluten/fat


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Does modeling and carving mean the same thing?

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