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MineralsRocksQB

TermDefinition
mineral a solid substance
crystal structure a arragment of ions and atoms
Moh's Hardness Scale a system listing ten minerals that the hardness of other minerals can be compared with.
Luster quality and intensity of light reflected from the surface of a mineral.
clevage is the tender of an mineral to break along a flat surface
fracture the tender of an mineral to not break along a flat surface
streak The colour of a mineral when powdered and observed against an unglazed white porcelain plate.
hardness the abiltiy of an mineral to be scratched.
crystalization chemical solid–liquid separation technique, in which mass transfer of a solute from the liquid solution to a pure solid crystalline phase occurs
texture refers to the relationship between the materials of which a rock is composed.
fine grained generally indicate magma that rapidly cooled at or near the Earth's surface.
coarse grained generally indicate magmas that slowly cooled deep underground.
porphryry an igneous rock consisting of large-grained crystals such as feldspar or quartz dispersed in a fine-grained feldspathic matrix or groundmass. The larger crystals are called phenocrysts.
intrusive Igenous rock formed by magma
extrusive igenous rock formed by lava
compaction this refers to the process by which a sediment progressively loses its porosity due to the effects of loading. This forms part of the process of lithification.
erosion the process of eroding or being eroded by wind, and water
cementation the binding together of particles or other things by cement.
depositon the geological process in which sediments, soil, and rocks are added to a landform or land mass.
clastic rock are composed of fragments, or clasts, of pre-existing minerals and rock.
chemical rock rocks with sedimentary chemicals
organic rock rocks by living things
sediment the process of living things remain.
Created by: 1964044396