Geology Exam Review
TERMS
AGATE: an ornamental stone consisting of a hard variety of chalcedony, typically banded in appearance.
AGENTS OF METAMORPHISM: heat, pressure, chemicals
AGENTS OF TRANSPORTATION: wind, ice, water
AMPHIBOLE: any of a class of rock-forming silicate or aluminosilicate minerals typically occurring as fibrous or columnar crystals.
ANDESITE: a dark, fine-grained, brown or grayish volcanic rock that is intermediate in composition between rhyolite and basalt.
ANTHRACITE: coal of a hard variety that contains relatively pure carbon and burns with little flame and smoke.
APHANITIC: A dense, homogeneous rock with constituents so fine that they cannot be seen by the naked eye.
ASSIMILATION: is that process of magmatic differentiation whereby ascending magmas evolve chemically by recruiting easily melted or dissolved components from the walls of their conduits.
BASALT: a dark, fine-grained volcanic rock that sometimes displays a columnar structure
BEDDING PLANES: the surface that separates one stratum, layer, or bed of stratified rock from another
BIOTITE: a black, dark brown, or greenish black variety of mica, occurring in many igneous and metamorphic rocks.
BITUMINOUS: A type of coal with a high percentage of volatile matter that burns with a smoky yellow flame. Also called soft coal.
BRECCIA: rock consisting of angular fragments cemented together.
BURIAL METAMORPHISM: A kind of regional metamorphism which affects sediments and interbedd.
CATASTROPHISM: the theory that changes in the earth's crust during geological history have resulted chiefly from sudden violent and unusual events.
CEMENTATION: the binding together of particles or other things by cement
CHALK: a soft white limestone (calcium carbonate) formed from the skeletal remains of sea creatures.
CHEMICAL WEATHERING: the erosion or disintegration of rocks, building materials, etc., caused by chemical reactions (chiefly with water and substances dissolved in it) rather than by
AGATE: an ornamental stone consisting of a hard variety of chalcedony, typically banded in appearance.
AGENTS OF METAMORPHISM: heat, pressure, chemicals
AGENTS OF TRANSPORTATION: wind, ice, water
AMPHIBOLE: any of a class of rock-forming silicate or aluminosilicate minerals typically occurring as fibrous or columnar crystals.
ANDESITE: a dark, fine-grained, brown or grayish volcanic rock that is intermediate in composition between rhyolite and basalt.
ANTHRACITE: coal of a hard variety that contains relatively pure carbon and burns with little flame and smoke.
APHANITIC: A dense, homogeneous rock with constituents so fine that they cannot be seen by the naked eye.
ASSIMILATION: is that process of magmatic differentiation whereby ascending magmas evolve chemically by recruiting easily melted or dissolved components from the walls of their conduits.
BASALT: a dark, fine-grained volcanic rock that sometimes displays a columnar structure
BEDDING PLANES: the surface that separates one stratum, layer, or bed of stratified rock from another
BIOTITE: a black, dark brown, or greenish black variety of mica, occurring in many igneous and metamorphic rocks.
BITUMINOUS: A type of coal with a high percentage of volatile matter that burns with a smoky yellow flame. Also called soft coal.
BRECCIA: rock consisting of angular fragments cemented together.
BURIAL METAMORPHISM: A kind of regional metamorphism which affects sediments and interbedd.
CATASTROPHISM: the theory that changes in the earth's crust during geological history have resulted chiefly from sudden violent and unusual events.
CEMENTATION: the binding together of particles or other things by cement
CHALK: a soft white limestone (calcium carbonate) formed from the skeletal remains of sea creatures.
CHEMICAL WEATHERING: the erosion or disintegration of rocks, building materials, etc., caused by chemical reactions (chiefly with water and substances dissolved in it) rather than by