Rock Cycle Study Guide – Flashcards
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Forms in the mantle BELOW the Earth's SURFACE
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Intrusive Igneous Rock
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Forms when magma flows ON TOP of the Earth's SURFACE
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Extrusive Igneous Rock
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Magma that flows out of volcanoes
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Lava
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Rocks made from layers of pebbles and sand- Look like pieces of sediment with pebbles stuck in them (ex. sandstone)
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Clastic Rocks
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Froms fpr,the remains of once-living things (ex. chalk; coal)
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Organic Rock
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Forms from igneous or sedimentary rocks from heat and pressure.
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Metamorphic Rock
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Metamorphic Rocks
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What do scientists call "changed rocks"
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Layers of sedimentary rock
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Strata
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When colors are mixed together in the rock
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Non-Foliated
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When the colors are in bands in the rock
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Foliated
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1. HEAT 2. PRESSURE 3. SMOOTHNESS
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3 Things that Change a Metamorphic Rock FROM the Original Rock
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1. Clastic 2. Chemical 3. Organic
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3 Types of Sedimentary Rock
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Magma
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What changes into igneous rock when it cools
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1. Igneous 2. Sedimentary 3. Metamorphic
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3 MAIN types of Rocks
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Past
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Scientists study rocks and rock strata learn about earths'
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When Rock is Broken Down Slowly
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WEATHERING
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When the earth's surface is worn away by of water and wind
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Erosion
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Made from nature
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What does Organic mean?
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1. Compaction 2. Cementations
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What 2 processes form Sedimentary Rocks
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1. Melting 2. Solidification
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What 2 processes change any rock into an igneous rock
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Sandstone
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Which clastic rock fine has fine to coarse texture (Type of sedimentary rock)
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siltstone
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Which clastic rock has very grain texture (type of sedimentary rock)
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Bituminos coal
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Which rock is made from compacted remains (type or sedimentary rock)
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Slate
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Which foliated rock is made due to low grade metamorphism of shale (type of metamorphic rock
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phylite
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Which foliated rock is created due to the high amount of hear and pressure (type of metamorphic rock)
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Quartzite
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Which Nonfoliated rock has fine to coarse texture and is composed of quartz? (type of metamorphic rock)
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metaconglomerate
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Which nonfoliated rock has a coarse texture and is composed of various minerals? (type of metamorphic rock)
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Pegmatite
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Name one rock that has very coarse texture (larger crystals)
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Granite Pemagrain Diorite
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3 Intrusive Igneous Rocks
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Rhyolite
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Name one extrusive rock with fine texture (small crystals)
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Obsidian Pumice Rhyolite
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Name 3 Extrusive Igneous Rocks
