Download Geology Exam 1: Questions and Answers on Plate Tectonics, Igneous Rocks, and Glaciation and more Exams Nursing in PDF only on Docsity!
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Continental Drift - Correct Answers ✅✅The theory that continents move over time Pangaea - Correct Answers ✅✅A super continent consisting of all of our current continents Plate Tectonics - Correct Answers ✅✅The idea that the Earth's crust is made up of many plates that shift Crust - Correct Answers ✅✅Consists of continental and oceanic layers Lithosphere - Correct Answers ✅✅Consists of crust and upper mantle Convergent Boundary - Correct Answers ✅✅The coming together of two tectonic plates Divergent Boundary - Correct Answers ✅✅The spreading of two tectonic plates Transform Boundary - Correct Answers ✅✅The rubbing together of two tectonic plates
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Rifts - Correct Answers ✅✅Long, deep valleys formed by the movement of the earth's crust Hot Spot - Correct Answers ✅✅A location, usually far from plate boundaries, where magma wells up to the surface from Earth's mantle Convection - Correct Answers ✅✅The transfer of heat through a fluid caused by molecular motion Slab Push/Pull - Correct Answers ✅✅The way in which convection currents are put into motion Magnetic Striping - Correct Answers ✅✅A pattern of alternating stripes of different directions of magnetic polarity in rock on the sea floor Subduction - Correct Answers ✅✅The process of one plate going under another Trenches - Correct Answers ✅✅Valleys that form on the ocean floor where two plates come together Seafloor Spreading - Correct Answers ✅✅The process that creates new sea floor as plates move away from each other
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Intermediate - Correct Answers ✅✅Medium color with moderate silica content Porphyritic - Correct Answers ✅✅An igneous rock texture composed of both large and small crystals Aphanitic - Correct Answers ✅✅An igneous rock texture that is fine grained Phaneritic - Correct Answers ✅✅An igneous rock texture where crystals are identifiable to the naked eye--coarse-grained texture Vesicular - Correct Answers ✅✅An igneous rock texture of quickly cooled magma that contains a large amount of dissolved gasses that become trapped as bubbles Andesite - Correct Answers ✅✅An intermediate colored rock, generally grey, also classed as an aphanite because of the small crystal or grain size Basalt - Correct Answers ✅✅A dark, dense, mafic igneous rock with an aphanitic texture, found in oceanic crust
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Rhyolite - Correct Answers ✅✅A light-brown to gray, fine-grained extrusive igneous rock with a felsic composition. The extrusive equivalent of granite. Gabbro - Correct Answers ✅✅An igneous plutonic rock made of the same minerals as basalt, but, because the minerals cooled slowly underground, the texture is phanaritic. Olivine - Correct Answers ✅✅The igneous rock that is first to crystallize on Bowen's discontinuous reaction series Pyroxene - Correct Answers ✅✅Any of a group of crystalline silicate mineral common in igneous and metamorphic rocks; One of the first to crystalize in Bowen's reaction series. Quartz - Correct Answers ✅✅It is pure SiO2, comes in many colors, and has a hardness of 7 Plagioclase - Correct Answers ✅✅Feldspar with Na or Ca as CBC; more weatherable than K feldspars Glaciation - Correct Answers ✅✅The changing of landforms by slowly moving glaciers
