Unit 8.2 MiSTAR

Front

What is Absolute Dating?

Back

A method used to determine the exact age of a rock or fossil, often using radiometric techniques.

Front

What is Relative Dating?

Back

A technique used to determine the age of rocks or fossils in relation to other rocks or fossils, without providing a specific age.

Front

What are Trilobites?

Back

Trilobites are an extinct group of marine arthropods that are among the oldest known fossils, dating back over 500 million years.

Front

What is the significance of sediment in fossil formation?

Back

Sediment covers and protects the remains of organisms, allowing for the preservation of their bones and structures over time.

Front

What is the difference between igneous and sedimentary rocks?

Back

Igneous rocks are formed from cooled magma or lava, while sedimentary rocks are formed from the accumulation of sediment.

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What does the term 'fossilization' refer to?

Back

Fossilization is the process through which organic material is preserved in sedimentary rock, often involving burial and mineralization.

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What is the Law of Superposition?

Back

In a sequence of undisturbed sedimentary rocks, the oldest layers are at the bottom and the youngest layers are at the top.

Front

What are Ammonites?

Back

Ammonites are extinct marine mollusks that are characterized by their spiral shells and are commonly found as fossils.

Front

What is a fossil?

Back

A fossil is the preserved remains or traces of a once-living organism, typically found in sedimentary rock.

Front

What is the purpose of using figures in geological studies?

Back

Figures help visualize data and processes, making it easier to understand complex geological concepts and relationships.