Exam 12: Earth S Internal Structure, rock Cycle, and Geologic Time

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Quartz,calcite,and feldspar are rocks.

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The location where the Colorado River has downcut through the layers of rock exposing rocks that span much of Earth history is the __________.

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____[1]____ is formed when medium to sand-size rock fragments are cemented together.When the rock fragments that are cemented together include pebbles,____[2]_____ is formed.An example of a fine-grained sedimentary rock made from clay-size particles is ___[3]_______. Answer 1 Choices: Conglomerate Sandstone Shale Answer 2-3 Choices: conglomerate sandstone shale

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Continental crust is thinner than oceanic crust.

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Identify whether the following rocks are either "intrusive" or "extrusive" and "felsic" or "mafic." Rhyolite [1] [2] Answer 1 Choices: Extrusive Intrusive Answer 2 Choices: Felsic Mafic

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Lava cools to form

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An amorphous mass of consolidated mineral matter is a __________.

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Concerning geologic time,about how long is the Holocene?

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Metamorphic rocks form from igneous,sedimentary,and metamorphic rocks.

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Ranked from largest to smallest are:

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The sedimentary rock that is composed of predominantly calcium carbonate is __________.

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Rocks that contain biotite,amphibole pyroxene,and olivine are called

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Conglomerate is a chemical sedimentary rock.

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The outer layer of the Earth is the

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The age of the Earth is about

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Magma that pools between rock layers and pushes the overlying layers up is a

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The formation of the Earth and the evolution of the atmosphere are BEST associated with the

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Which layer of the Earth is the uppermost layer and begins at the Moho?

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Match each description with the correct term:
a layer of loose material covering solid rock
magma
liquid rock that originates in the mantle and moves upward into the Earth’s crust
lava
contain mineral fragments derived from any of the three major rock groups that accumulate and lithify
regolith
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a layer of loose material covering solid rock
magma
liquid rock that originates in the mantle and moves upward into the Earth’s crust
lava
contain mineral fragments derived from any of the three major rock groups that accumulate and lithify
regolith
when upward moving magma spreads horizontally along a zone of rock weakness and pushes upward in such a way that the surface rocks are warped upward in a dome-like feature and the magma cools
laccolith
liquid rock that is flowing across the Earth’s surface
clastics
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According to science,how old is the universe?

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