Minerals - naturally occurring, inorganic, solids that have a crystal structure and a definite chemical compositions, Naturally occurring - an object that is found naturally on the Earth, Types of rocks - igneous, sedimentary, and metamorphic, Igneous rock - rock that forms from the cooling of molten rock material, magma - melted rock material inside the Earth, Lava - melted rock material on the surface of the Earth, Intrusive - cooling magma inside Earth creating coarse grained, large crystals, rough, Extrusive - cooling lava outside Earth creating fine grained, small crystals, more smooth, Felsic - igneous rock made of mostly silica-rich minerals LIGHT IN COLOR, Metamorphic rock - form from intense heat and pressure deep below Earth's surface., sedimentary rock - rocks that form at or near Earth's surface through a 5 step process of weathering, erosion, deposition, compaction and cementation (WEDCC), clastic - made of pieces of other rocks, Organic - made of the remains of living things, Chemical - made when water evaporated and the remaining minerals crystallize , weathering - breaking existing rocks into tiny pieces called sediment, Erosion - taking the sediment to another place by the movement of wind or water, Deposition - placing the sediment in a new location, compaction - sediment is layered and pressed together, Cementation - minerals in groundwater "glue" the sediment together into a rock, Rock cycle - process where rock changes from one type to another,

Rocks and Minerals

列印
嵌入

排行榜

視覺風格

選項

切換範本

恢復自動保存: ?