Amphibolite

Amphibolite

A crystalloblastic rock consisting mainly of amphibole and plagioclase with little or no quartz. As the content of quartz increases, the rock grades into hornblende plagioclase gneiss. Compare: feather amphibolite.

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Part of Speech: noun
Synonym(s):
Blossary:
Industry/Domain: Mining
Category: General mining; Mineral mining
Government Agency: USBM
Product: Dictionary of Mining, Mineral, & Related Terms - 2nd Edition
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Related terms

amphibolite

Earth science; Geology

A rock made up mostly amphibole and plagioclase feldspar. Although the name amphibolite usually refers to a type of metamorphic rock, an igneous rock composed dominantly of ...

amphibolite

Science; General science

A class of metamorphic rocks with one of the amphibole minerals as the dominant constituent. Most of the amphibolites are dark green to black crystalline rocks that occur as ...

amphibolite

Mining; General mining; Mineral mining

A crystalloblastic rock consisting mainly of amphibole and plagioclase with little or no quartz. As the content of quartz increases, the rock grades into hornblende plagioclase ...

feather amphibolite

Mining; General mining; Mineral mining

A metamorphic rock in which porphyroblastic crystals of amphibole (usually hornblende) tend to form stellate or sheaflike groups on the planes of foliation or schistosity. ...

amphibolite facies

Mining; General mining; Mineral mining

The set of metamorphic mineral assemblages (facies) in which basic rocks are represented by hornblende + plagioclase, the plagioclase being oligoclase-andesine or some more calcic ...

albite-epidote-amphibolite facies

Mining; General mining; Mineral mining

The set of metamorphic mineral assemblages (facies) in which basic rocks are represented by hornblende + albite + epidote. Equivalent to Eskola's epidote-amphibolite facies, it is ...

asteroid mining

Mining; General mining

The future industry of sending spacecraft to asteroids in order to harvest their natural resources and bring them back to civilization for use. On April 24th 2012, the first real ...

rock

Mining; General mining

A mineral that forms inside the earth as marble and granite are rocks; a huge amount of stone that forms a cliff or mountain is called as rock.

beryl

Mining; General mining

A greenish mineral that usually lets light shine through it and is found mostly in igneous and metamorphic rocks.

corundum

Mining; General mining

A very hard mineral made mainly of aluminum and oxygen. Rubies and sapphires are types of corundum.

feldspar

Mining; General mining

A mineral that makes up more than 60 percent of the Earth's crust. The pink and white flecks in granite consist of feldspar.

geode

Mining; General mining

A hollow, rounded rock that is lined on the inside with crystals is called geode.

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