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45 Cards in this Set
- Front
- Back
rock
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a hard material that composes the earth's crust
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fossil
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any trace left in a rock left by a plant or animal
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gemstones
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small deposits of igneous and metamorphic crystals
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precious stones
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rarest most durable and beautiful gems
Ex:diamonds,rubies |
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ore
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metal with impurities
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precious metals
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known for durability, rarity, and beauty
Ex:gold, silver |
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iron
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practical,most commonly used and strong
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copper
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reddish-orange good conductor of elect expensive
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fossil fuel
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derived from the remains of living things
Ex:coal and petroleum |
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petrolium
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a fossil fuel formed from living creation means "rock oil"
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cave
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hollow space in the earth large enough for a person to enter
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speleology
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scientific study of caves
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solution cave
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dissolving of limestone by acids in water
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magnetic field
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area surrounding a magnet that is surrounded by it
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poles
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ends of a magnet where it is most powerful
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electronic magnet
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becomes magnetic only with electricity
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magnetosphere
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region of space affected by earth's magnet
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solar wind
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stream of potentially harmful particles from sun
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anthracite
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most $
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bituminous
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most commonly used
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sub-bitumnious
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" " diddo
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lignite
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most impuritys
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surface mining
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layer by layer
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underground mining
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drill down
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igneous
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formed by lava and magma
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sedimentary
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layers of sediments harden into rock
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metamorphic
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started as igneous or sedimentary changed by heat or pressure
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trogoloxens
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visit the cave
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trogophiles
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"love' come for food or nest
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trogobites
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always in caves
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extrusive rocks
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igneous at earths surface usually result of magma out of volcano
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intrusive rocks
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igneous rock formed when magma remains in pockets below surface and slowly cools and hardens underground
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mechanical sediments
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type formed when rock is physically broken down by "mechanisms" of nature and may later get pressed into sedimentary rocks
ex: sandstone |
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chemical sediments
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formed when minerals dissolve and are carried elswhere where later chrystalize or settle out of solution
ex: halite salt |
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organic sediments
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seds that consist of dead shells animals and skeletons
ex: limestone |
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foliated rock
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layered rock
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unfoliated rock
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metamorphic rock not layered
ex: marble |
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soda straws
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thin hollow tubes that hang from the ceiling
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stalagmite
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drippings collect @ ground of cave
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stalactite
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thick icicles hangs from ceiling
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columns
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when stalagmite meets stalactite
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draperies
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drips down wall
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flowstone
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"frozen" fountain
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cave pearls
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deposites of calcium carbonate
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hi hi
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puffy ami umi
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