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West > Rocks > Flashcards

Rocks Flashcards

1
Q

a fine-grained nonfoliated metamorphic reck with no specific composition

A

Homfels

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2
Q

-It is produced by contact metamorphism

A

Homfels

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3
Q

is a rock that was “baked” while neer a heat source such as a magma
chamber, sill, or dike

A

Homfels

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4
Q

a foliated metamorphic rock that has a banded appearance and is made up of
granular mineral grains

A

Gneiss

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5
Q

it typically contains abundant quartz or feldspar mineral

A

gneiss

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6
Q

a non-foliated metamorphic rock that is produced from the metamorphism of
limestone or dolostone

A

Marble

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7
Q

It is composed primarily of calcium carbonate

A

Marble

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8
Q

a foliated metamorphic rock that is made up mainly of very fine-grained mica

A

Phyllite

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9
Q

The surface of —— in typically lustroue and sometimas wrinked

A

Phyilite

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10
Q

it is intermediate in grade between glate and schist

A

Phyilite

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11
Q

a dense, hard, fine grained, silicsous rock that breaks with a conchoidal
fracture

A

Novaculite

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12
Q

a dense, hard, fine grained, silicsous rock that breaks with a conchoidal
fracture

A

Novaculite

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13
Q

it forms from sediments deposited in marine environmonts where organisms
such as diatoms (single-celled algae that secrete a hard shell composed of
silicon dioxide) are abundant in the water

A

Novaculite

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14
Q

a non-foliated metamorphic rock that is produced by the metsmonphism of
sandstone. It is composed primarily of guartz

A

Quartzite

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15
Q

a foliated matamorphic rock that is formed through the metamorphism of shale

A

Slate

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16
Q

It is a low-grade metamorphic rock that splits into thin pieces

A

Slate

17
Q

a metamorphic rock with well-developed foliation

A

Schist

18
Q

It often contains significant amounts of mica which allow the rock to split into
thin pieces

A

Schist

19
Q

It is a rock of intermediate metamorphic grade between phyllite and gneies

A

Schist

20
Q

a metamorphic rock that consists primarily of fale with varying amounts of other
minarals such as micas, chlorito, amphiboles, pyroxenes, and carbonates

A

Soapstone

21
Q

It is a soft, dense, heat-resistant rock that has a high specific heat capacity

A

Soapstone

22
Q

These properties make it useful for e wide variety of architectural, practical,
and artistic use

A

Soapstone

23
Q

a non-foliated metamorphic rock that fons through recrystallization under
conditions of high viscosity and directed pressure

A

Amphibolite

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