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Geology 100 Exam #1 Format = ~27 Multiple Choice, ~14 True/False, ~9 Matching
~20% from Discussion/~80% from Lecture Coverage
First 4 weeks of Discussion (Topographic Maps I - Eye for Rocks)Corresponds to Chapters 1, 2, 4, + 5 in Discussion Guide
Lectures #1 - 9 (Why Study Geology? - Hard Rock/Igneous + Metamorphic.)Tuesday (Sept. 27) 7 - 8 pm
Note lecture meets at 10am and Noon on Wed., 9/28228 Natural History Building(Noon Lecture Section)
100 Material Science Engineering Building (10AM Lecture Section)*** BRING STUDENT ID ***
Question/Answer Session = Mon. (Sept. 26) 5 - 6 pm, 141 Loomis LabPrevious Exam #1 on home page of GEOL 100 Illinois Compass Web site; no
answer key provided with old Exam, attend Question/Answer Session for answers. Conflict Exam
Format = 15 Short Answer questions Level of Difficulty = Similar to regularly scheduled Exam
Sign up before or after Lecture or by e-mail to Prof. Altaner Wed. (9/28) 5 - 6 pm, 260 NHB (GEOL 100 Discussion room)
Other times for Conflict Exam are available, if essentialSee Frequently Asked Questions #23, 25, and 32 for advice from Prof.Altaner
on how to prepare for the exam
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Rocks
Rocks are aggregates of minerals
Identification of Rocks is by texture and composition
Texture is the size, shape and arrangement of grains
Composition is the minerals in the rock.
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Grain Size Page 27
• Fine
• Medium
• Coarse
• Glassy
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Arrangement - Cemented
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Arrangement – Interlocking Page 28
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Arrangement - Foliated
Arrangement - Frothy
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Igneous Rocks Page 29– cooling of magma or lava. Intrusive and ExtrusiveComposition: silicic, mafic, intermediate
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Sedimentary Rocks
Clastic – cemented fragmentsCarbonates – cemented shell fragments
Chemical – precipitated from water – interlockingComposition (Minerals): calcite, dolomite, quartz, halite
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Regional Metamorphism - Foliation
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Contact Metamorphism of Limestone
Limestone
Marble