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Chapter 6 Minerals and RocksMarch 19, 2008 1. A mineral is any course make, strong chemical element or chemical intensify having a definite composition and a characteristic quartz structure. The get of minerals ar important beca using up of the following reasons: rocks and minerals are grammatical expression blocks of the country, rocks and minerals are important resources, and minerals affect some(prenominal) human activities and running(a) of natural Earth systems. 2. in that location are thousands of different minerals. Silicates are the most joint minerals. 3. 4. The description of the silicate anions is (Sio4)4 has the shape of a tetrahedron. The four-spot relatively openhanded oxygen anions surround and bond to the little silicon cation. 5. 6. 7. There are several non silicate minerals : Hematite--ore of iron Gypsum--make plaster Halite--table salt Calcite-- use to make cement Pyrite--gold Sulfur--drugs and chemicals 8. Ye s, a rock can be defined by two features: The first feature is the metric grain in which the overall appearance of that rock has because of size, shape, and arrangement of its fraction mineral grains. The second feature is mineral assembly in which is the varieties and a boundaries of minerals present in a rock. 9.

Sedimentary rocks are formed either by chemical precipitation of worldly carried in solution in the sea, lake, or river water or by deposition of mineral particles transported in suspension by water, wind, or ice. The two ways sediment becomes sedimentary rocks are by the Deposition of a cement and R ecrystallization. 10. Igneous and metamo! rphic both contain intricately interlocked mineral grains. 11. 12. The maximum citizenry of chemical weathering process of rocks occurs in the tropical regions. An increase in temperature increases the specialty of carbonic acid and oxygen in humid climates where the intensity of the chemical weathering processes increases on account of the higher temperature. 13. 14. The...If you sine qua non to get under ones skin a full essay, enact it on our website: BestEssayCheap.com

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