Earth_Materials_2_AB_MW(1)

Earth_Materials_2_AB_MW(1) - 1. List the five defining...

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Unformatted text preview: 1. List the five defining features of a mineral, and contrast minerals with rocks and elements. (4.1) 2. Describe how minerals are distinguished from each other. (4.3) 3. Describe the difference between crystalline and clastic rocks and how they formed. (4.2) 4. Explain the relationship between a minerals chemical bonds and its strength (or hardness). (4.5) 5. List, and given information about their composition, structure, and appearance, identify 9 common mineral types. (4.8, 4.9) 6. Identify a mineral as either a SILICATE or NONSILICATE based on its chemical formula. (4.6, 4.7, 4.8, 4.9) 7. Match common minerals with where they are abundantly found (oceanic crust, continental crust, and upper mantle). (4.10) Learning goals Chapter 4 1 Learning goal focus 2 Todays Lecture Focus 1. List the five defining features of a mineral, and contrast minerals with rocks and elements. (4.1) 2. Describe how minerals are distinguished from each other. (4.3) 3. Describe the difference between crystalline and clastic rocks and how they formed. (4.2) Crystalline rocks are characterized by interlocking mineral crystals. 3 What do the interlocking crystals tell us about rock formation? Clastic rocks are characterized by pieces of rock derived from older rocks. 4 What do the clasts tell us about rock formation? Most Igneous and Metamorphic rocks, and some Sedimentary rocks, are crystalline. 5 GRANITE - Igneous MARBLE - metamorphic LIMESTONE - Sedimentary Most Sedimentary rocks are clastic (a few Igneous rocks are sometimes considered clastic). 6 Most Sedimentary rocks are clastic (a few Igneous rocks are sometimes considered clastic). 7 On Wednesday, you were introduced to the common physical properties that can be used to IDENTIFY minerals in hand sample. 8 Today, we will: 1) Define minerals (5 key parts to definition) 2) Explore the causes of physical properties: chemical composition and chemical bonds 3) Define and contrast the two main types of minerals (silicates and non-silicates) Distinguishing One Mineral from Another Crystal shape (form) Color & Luster (reflectivity) Cleavage No cleavage How they break apart Hardness Mohs Hardness Scale 1 talc 2 gypsum 3 calcite 4 fluorite 5 apatite 6 K-feldspar 7 quartz 8 topaz 9 corundum 10 diamond -fingernail -knife blade Why do you think properties vary? Why do you think properties vary?...
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This note was uploaded on 12/01/2011 for the course GEO 101 taught by Professor Andreabair during the Fall '11 term at Central Mich..

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Earth_Materials_2_AB_MW(1) - 1. List the five defining...

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