GEOL 1001 : Mastering Geology Questions Test 1
Document Summary
Because the extrusive magma cools quickly and mineral grains do not have time to grow. Temperatures remain high as lowered pressures decrease melting temperatures. The last minerals to crystallize on bowen"s reaction series result in igneous rocks with a__________ composition. A __________ is an open cavity in a volcanic rock that was filled by a gas bubble when the lava was still mainly liquid. Physical geology includes the study of how rocks form and of how erosion shapes the land surface; historical geology involves the study of rock strata, fossils, and geologic events, utilizing the geologic time scale as a reference. They believed earth to be much younger than current estimates. __________ is the process by which rocks breakdown in place to produce soils. Sedimentary rocks may weather to form igneous rocks. The __________ is the thinnest layer of earth. The publication of conclusions without prior experimentation or observation.
