CH2 young limestone 出現 aragonite old limestone 出現 calcite 1.How does an ion form from an uncharge atom? 釋放電子或抓取電子 2.What allows one element substitute for another in the crystal lattice of a particular mineral? p.36 3.How does the orientation of a dike of igneous rock differ from orientation of a sill? dike 垂直地層 sill 平行地層 4.Under what circumstance does the eruption of lava produce a flood basalt instead of a volcano? 海裡 5.Why do most sediment that form from weathering consist of silicate minerals? 矽酸鹽類抗風化能力強且不溶於水 6.How does the origin of clay particles from igneous rock differ from the origin of grains of quartz sand from the same kinds of rock? clay 顆粒細 成分以雲母質長石質為主 quartz sand 顆粒粗 成分以矽質為主 7.How does the process that turns clay into shale differ from the process that turns sand into sandstone? 不確定 8.Why do evaporite deposit weather quickly? 因其從水中沉澱,自然易於溶於水中 9.How does the following sedimentary structures form?[1]Graded beds. [2]Ripples. [3]Crossbedding. [4]Mudcracks. p.51 10.How does the origin of metamorphicrock differ from the origin of an igneous rock? 變質岩有再結晶現象或是出現葉理 11.Water plays a major role in the origin of sedimentary rocks. Use the Visual Overview on page 30 as a guide to explore the ways in which water serves as a medium for the production, transport, deposition, and lithification of the various kinds of mineral grains that form sediment. --

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