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Vocab Ch 5 Word Scramble

 
 


 

 
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Question Answer
Volcanicterm that refers to molten (igneous) rock rock that is extrusive. it comes from cooled lava -which is magma that is found on surface
uniformitarianismtheory that states that earth was formed by processes that are still in existance today, such as rock formed by volcanic activity and from rock that is changed by heat and pressure or formed from sediments.
Texturedepends on the size , shape, and arrangement of the mineral crystals
stratificationvisible layers found in sedimentary rocks that helps one identify the type of rock caused by a change in the type of sediments being laid down
sedimentary one of the 3 main catagories of rock classification. rocks created by sediments being cemented or formed by evapoation ---most of earth's surface is covered by sedimentary rocks
rockgroup of minerals bound together together in some way.
chemical rocksedimentary rocks formed from mineral's precipitate by evaporation or by chemical action
clastic rocksedimentary rocks formed from fragments of other rocks
contact metamorphismthe process of rock-forming that results when hot magma forces its way into overlying rock and changes that rock
felsiclight-colored, high-silica rocks
fossilsthe remains, impressions, or other evidence of the former existence of life preserved in rock
igneous rocksrocks formed by the solidification of hot molten rock material called magma
mafic rocksdark-colored, low-silica rocks
magmathe hot liquid rock beneath Earth's surface
metamorphic rocksrocks formed by the effect of heat, pressure, and chemical action on other rocks
organic rockssedimentary rocks formed from the remains of plants and animals
plutonicrocks, usually igneous, formed at great depths
regional metamorphismprocess of rock forming which results from large areas of rocks being under intense heat and pressure of mountain building efforts
Rock cycle process of 1. forming rock from molten magma, and 2. the transformation of that rock to sedimentary or metamorphic rock and then the subsequent remelting of that rock.