type of rock
crystallization and formed from magma
what is an igneous rock
anywhere volcanoes are
what is igneos rock
molten rock under the earths surface
what is magma
dark colored
what is a mafic rock
This soft mineral sits at a 1 on the hardness scale
what is talc
compacts sediments
what is sedimentary rocks
anywhere there is ocean
what is a sediment rock
molten rock above the earths surface
what is lava
low density
what is a felsic
used as a fluxing agent, fertilizer, filler in paper and textiles
what is gypsum
comes from pre-existing rocks or pieces of once living organisms
what is sedimentary rock
anywhere deep within the earth
what is a metamorphic rock
deep in the planet's crust
what is metamorphic rocks
have high silica content
what is felsic rock
saw blades, drill bits, and grinding wheels
what is diamond
rocks are formed how
what is a hard substance composed of one or more minerals
rock found in piedmont
what is metamorphic and/or igneous rock
on or near the earth's surface
what is sedimentary rocks
ex. granite
what is felsic rock
used in the manufacture of glass and ceramics
what is orthoclase
comes from two main rock types
what is metamorphic rock
rock found in appalachian plateau
what is sedimentary rock
above or very near the Earth's surface
what is igneous rock
ex. basalt
what is a mafic rock
used for grinding optical glass and for polishing metals and has also been made into sandpapers and grinding wheels
what is corundum