Magma cools and crystallizes to form igneous rock. Igneous rock undergoes weathering (or breakdown) to formsediment. ... As the sedimentary rock is buried under more and more sediment, the heat and pressure of burial cause metamorphism to occur. This transforms the sedimentary rock into a metamo...
A. magma rises up along the divergent boundary B. there is a lot of sediment accumulation C. the continental plates push the oceanic plates D. the water pressure is low in that area 相关知识点: 试题来源: 解析 A。解析:洋中脊附近火山岛的形成主要是因为岩浆沿着板块的离散边界上升。选项B,...
What is basaltic magma? What is an alluvial aquifer? What is the difference between a soil map and a geological map? What is a topographic map? What is the mineralogy of basalt? What is base level in geology? What is the Wolfcamp Shale geologic formation?
Answer to: Magma erupting to the surface is called (a) ___. Since this mass cools rapidly, the crystals are (b) ___ in size and the...
The magma solidifies instantly 不知道嗎? 本學習集中的詞語(14) Crystal What is a solid in which the atoms are arranged in orderly, repeating patterns? Crystalline Structure What is a structure that can be seen either on the inside or the outside of a mineral? Outside Minerals that form ...
Is Lahar a composite volcano? Composite volcanoes are normally associated with subduction, and while their magma tends to be intermediate on average, it can range all the way from felsic to mafic. ... Lahars, volcano-relatedmudflows, can be large enough to destroy entire towns. ...
A volcano is the forcible ejection of the hot molten rock materials and gases found beneath the surface of the earth. The molten material is the magma, and once it reaches the surface, it loses its heat and gases, solidifies, and forms lava. ...
Bowen showed that dissolution of minerals in magma above its liquidus temperature is limited to a few percent of the melt mass, because the heat of fusion of silicates is much larger than the heat capacity of silicate melt. Thus, he proposed that for extensive reaction between melt and rock,...
Answer and Explanation:1 In geology, a shield is a region of exposed or near-surface igneous and metamorphic rock that dates to the Precambrian supereon (the time before the... Learn more about this topic: The Canadian Shield | Map, Location & Formation ...
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