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Rock Vocab

Across
characterized by containing vesicles, or holes, formed by gas bubbles
coarse-grained igneous rock that is formed when molten rock cools slowly and solidified inside Earth’s crust
local effect that occurs when molten rock meets solid rock
small pieces of rock that are moved and deposited by water, wind, glaciers, and gravity
occurs when very hot water reacts with rock, altering its mineralogy and chemistry
the physical and chemical processes that transform sediments into sedimentary rocks
the size, shape, and distribution of the crystals or grains that make up a rock
type of bedding in which particle sizes become progressively heavier and coarser toward the bottom layers
depositional feature of sedimentary rock that forms as inclined layers of sediment are carried forward across a horizontal surface
Down
continuous, dynamic set of processes by which rocks are changed into other types of rock
process that affects large areas of Earth’s crust, producing belts classified as low, medium, or high grade, depending on pressure on the rocks, temperature, and depth below the surface
describes metamorphic rock, such as schist or gneiss, whose minerals are squeezed under high pressure and arranged in wavy layers and bands
fine-grained igneous rock that is formed when molten rock that is formed when molten tock cools quickly and solidifies on Earth’s surface
Process in which different minerals melt into magma at different temperature, changing its composition
process of sedimentary rock formation that occurs when dissolved minerals precipitate out of groundwater and either a new mineral grows between the sediment grains or the same mineral grows between and over the grains
Intrusive or extrusive rock formed from the cooling and crystallization of magma or lava
Magma that flows out onto Earth's surface
percentage of open spaces between grains in a material