Sedimentary Rocks Flashcards

1
Q

These rocks are formed by the compaction of sediments.

A

Sedimentary Rocks

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2
Q

Occurs when substances harden crystallize in the spaces between loose sediments.

A

Cementation

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3
Q

Occurs when sediments are hardened by being squeezed together by the weight of layers on top of them.

A

Compaction

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4
Q

These are fragments of rock that have been broken down as a result of weathering. (Wind, Running Water, etc.)

A

Sediments

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5
Q

The solid materials left behind after a liquid evaporates.

A

Precipitate

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6
Q

Made from materials that were once living things.

A

Organic

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7
Q

Sedimentsmay include:

A

-fragments of other rocks that have been worn down into small pieces, like sand

-organicmaterials, or in other words, the remains of once-living organisms

  • chemicalprecipitates, which are materials that get left behind after the water evaporates from a solution.
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8
Q

Large rock formation at the surface of the Earth. You can often see layers that show the position and order in which the original sediment layers were deposited.

A

Outcrop (Ex. Grand Canyon)

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9
Q

Does the environment where the sediments are deposited determine the type of sedimentary rock that will form there?

A

Yes

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10
Q

The hardening of layers of loose sediment into rock

A

Lithification

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11
Q

Lithification is made up of two processes:

A

Cementation, Compaction

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12
Q

Sedimentary rocks made of cemented, non-organic sediments are called:

A

Clastic Rocks

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13
Q

Sedimentary rocks that form from organic remains are called:

A

Bioclastic Rocks

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14
Q

Sedimentary rocks formed by the hardening of chemical precipitates cementing substances come from the water that moves through the sediments are called:

A

Chemical Sedimentary Rocks

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15
Q

Sediments must be _______ and ________ to make sedimentary rock. This process is called _______.

A

Compacted, Cemented, Lithification

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16
Q

These rocks are the only type of rocks that can contain fossils or evidence of past life.

A

Sedimentary Rocks