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GEOL
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1
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5
Popular Documents from Pasadena City College
2/17/2020 1 Metamorphic Rocks Chapter 7 1.Heat & Pressure 2. Types of Metamorphism 3.Metamorphic Rocks 4. Metamorphic Minerals Protolith Metamorphic Rock (new texture, larger crystal size , new minerals) (Section 7.2) Solid State Reactions: High T Hi
2/17/2020 1 Earthquakes Mag Location Alternative Name Date (UTC) Time (UTC) Latitude Longitude References 1 9.5 Bio-Bio, Chile Valdivia Earthquake 5/22/1960 19:11 38.14°S 73.41°W Kanamori & Anderson, 1975 2 9.2 Southern Alaska 1964 Great Alaska Earth
2/17/2020 1 Ore Minerals Aka Economic Minerals… #33-45 Sulfur •S • Hardness = 1.5 - 2.5 • Stinks • Deposition from volcanic gasses Barite • BaSO 4 • Hardness = 3 - 3.5 • Very dense, white 2/17/2020 2 Bauxite • Hardness = 1 - 3 • Oolitic • Al(OH) 3 •
2/17/2020 1 I g n e o u s R o c k s Chapter 4 We identify Igneous rocks by texture and composition Mafic : high ma gnesium and f err ic content (dark) Felsic : high fel dspar and si li c a content (light) 1. Composition: 2 types (Section 4.4) 2/17/20
2/17/2020 1 4.6 Billion 3.9 Billion 2.5 Billion 541 Milli o Relative Dating Vs. Absolute Dating 1815 2/17/2020 2 Hadean 4.6 Billion to 4.0 Billion Absence of Rocks 2/17/2020 3 Archean: 4.0 Billion to 2.5 Billion Years (Scholle, 1983) 2/17/2020 4 Firs