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Earth Science 15

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Across
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Type of rock early geologists said came before the Flood
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Name of fossil that was supposedly "pre-human"
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Clastic rock with medium sized particles
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Forms from seawater
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Sedimentary rocks that contain fragments from other rocks
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____ rock doesn't have pores
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Person who studies fossils
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Rocks that come from cooling of lava or molten rock
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Formed when wind or water lays down sediment
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Combination of sedimentary and igneous rock
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Layers of sedimentary rock
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Study of rocks
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Magmas and lavas that contain much silica
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Lava rock that solidifies above the ground
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Fakes
Down
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Its name means containing grains
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____ rock has pores
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Sheets of igneous rock between other pre-existing rocks
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Lava rock that solidifies after squeezing other rocks
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Fossil that extends through several layers of sedimentary rock
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Any remain of a living organism preserved by natural means
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Come from minerals dissolved in water
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2 words - deposit of rock salt that occurs deep underground as a vertical cylinder
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Coarsest type of clastic rock
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2 words - gas form of fossil fuel
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Liquid fossil fuel
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Longest of the 3 time divisions of geologic time scale
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Solid fossil fuel
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95% or fossils are ______
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Type of fossil used to date rock strata