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15 Cards in this Set

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breccia
A conglomerate rock composed of angular fragments of various kinds of rocks united by a matrix of cement
chemical sedimentary rock
Type of rock that either was created in place or was formed from the dissolved minerals carried by water
coal
A solid form of fossil fuel made from plant material
conglomerate
Sedimentary rock composed of rounded fragments of various kinds of rocks united by a matrix of cement
extrusive igneous rock
Igneous rock that solidified above the earth's surface
foliated metamorphic rock
Rock that has a banded or layered appearance, such as gneiss
igneous rock
Rock that appears to have been molten in the past
intrusive igneous rock
A type of igneous rock that solidified beneath the earth's surface
lava
Molten rock flowing from a volcano or fissure in the earth
magma
Molten rock beneath the surface of the earth
metamorphic rock
Rock that has been altered since its creation or formation by agents such as heat and pressure
non-foliated metamorphic rock
Metamorphic rock that is not banded or layered such as quartzite
porphyry
Intrusive igneous rock containing both large and small crystals
sedimentary rock
Rock consisting of particles of sediment that have been bonded together by natural cements
strata
Layers of sedimentary rock; they are usually horizontal but can be tilted to almost any angle by movements of the earth's crust