*Rocks(ch.4) Flashcards

0
Q

Define a Igneous Rock

A
Intrusive
cool slowly
large crystals
cools quickly 
small crystals
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1
Q

What are the Types of Rocks?

A

Igneous
Extrusive
Sedimentary

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2
Q

Define sedimentary rock

A
  • Clastic
  • chemical
  • minerals crystallize directly from water biochemical forms from remains of once living organisms
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3
Q

Define a metamorphic rock

A

foliated
has layers
non-foliated
does not have layers

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4
Q

Define rock cycle

A

processes undergone by rocks in the earth’s crust

(igneous intrusion, uplift, erosion, transportation, deposition as sedimentary rock, metamorphism, remelting, and further igneous intrusion.)

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5
Q

Define compaction

A

the process by which a sediment progressively loses its porosity due to the effects of loading. This forms part of the process of lithification.

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6
Q

Define Cementation

A

the binding together of particles or other things by cement.

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7
Q

Define Clast

A

a constituent fragment of a clastic rock.

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8
Q

Define Magma

A

Molten rock underground

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9
Q

Define Lava

A

Molten rock on Earths surface

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