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14 Cards in this Set
- Front
- Back
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What is lava?
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Lava is magma that reaches the surface.
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What is weathering?
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Weathering is a process in which rocks are physically and chemically broken down by water, air, and living things.
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What are sediments?
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Sediments are weathered pieces of earth materials.
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What does igneous mean and where does it come from?
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Igneous means fire and comes from the latin word ignis.
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What does porphytic texture mean?
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Porphytic texture means roks with very different size minerals experience different rates of cooling.
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What does granitic composition?
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Granitic composition means igneous rocks in which these are the main minerals are said to have a granitic composotion.
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What does basaltic composition mean?
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Basaltic composition means rocks that contain many dark silicate minerals and plagioclase feldspar.
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What does andesitic composition mean?
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Andesitic composition means rocks with a composition between granitic and basaltic rocks.
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What does ultramafic mean?
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Because peridotite is composed almost entirely out of dark silicate minerals, its chemical composition is referred to as ultramafic.
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What are chemical sedimentary rocks?
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Chemical sedimentary rocks are the second group forms when dissolved minerals precipitate from water solutions.
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What are clastic sedimentary rocks?
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Clastic sedimentary rocks are the first group includes rocks that are made of weathered bits of rocks and minerals.
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What does metamorphic mean?
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Metamorphic means to change forms.
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What are hydrothermal solutions?
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Hydrothermal solutions are when these hot, water-based solutions escape from a mass of magma.
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What is a foliated metamorphic rock?
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A foliated metamorphic rock is the resulting alignment eseally gives the rock a layered or banded appearence.
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