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HomeHomework HelppaleontologyFossil Preservation

Fossil Preservation

Fossil preservation and analysis refer to the processes through which organic remains or traces of ancient organisms are preserved in geological formations and the subsequent scientific examination of these specimens to understand past life forms, their environments, and evolutionary history. This involves various techniques to study the morphology, chemistry, and context of fossils, contributing to our knowledge of biodiversity and ecological changes over time.

intermediate
3 hours
Paleontology
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Overview

Fossil preservation is a vital aspect of paleontology, allowing scientists to study the remains of ancient organisms and understand Earth's biological history. Various fossilization processes, such as permineralization and casting, contribute to the diversity of fossils found today. By analyzing the...

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Key Terms

Fossil
The preserved remains or traces of ancient organisms.

Example: Dinosaur bones are fossils.

Permineralization
A process where minerals fill the pores of organic material, turning it into stone.

Example: Wood turning into petrified wood.

Mold
An impression of an organism left in sediment.

Example: A shell leaving a mold in sand.

Cast
A solid copy of the shape of an organism formed when a mold is filled with sediment.

Example: A cast of a dinosaur footprint.

Stratigraphy
The study of rock layers and layering.

Example: Using stratigraphy to date fossils.

Biostratigraphy
A branch of stratigraphy that uses fossil organisms to date and correlate rock layers.

Example: Identifying a specific fossil to date a rock layer.

Related Topics

Paleobiology
The study of ancient life forms and their interactions with the environment.
intermediate
Sedimentology
The study of sedimentary rocks and the processes of sediment deposition.
intermediate
Geochronology
The science of determining the age of rocks, fossils, and sediments.
advanced

Key Concepts

Types of FossilsPreservation MethodsFossil AnalysisGeological Time Scale