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5 Mafic rocks are Select one of the following: O light in colour O less dense than felsic rocks O made up largely of quartz and mica minerals O made up largely of iron and magnesium-bearing minerals

5 Mafic rocks are Select one of the following: O light in colour O less dense than felsic rocks O made up largely of quartz and mica minerals O made up largely of iron and magnesium-bearing minerals

Applications and Investigations in Earth Science (9th Edition)
Applications and Investigations in Earth Science (9th Edition)
9th Edition
ISBN:9780134746241
Author:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Publisher:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Chapter1: The Study Of Minerals
Section: Chapter Questions
Problem 1LR
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15 Mafic rocks are Select one of the following: O light in colour less dense than felsic rocks made up largely of quartz and mica minerals O made up largely of iron and magnesium-bearing minerals
Transcribed Image Text:15 Mafic rocks are Select one of the following: O light in colour less dense than felsic rocks made up largely of quartz and mica minerals O made up largely of iron and magnesium-bearing minerals
16 What process is primarily responsible for causing the mantle to melt at divergent plate boundaries (Mid Ocean Ridges)? Select one of the following: Decompression Increasing temperature Addition of water to the mantle Increasing pressure
Transcribed Image Text:16 What process is primarily responsible for causing the mantle to melt at divergent plate boundaries (Mid Ocean Ridges)? Select one of the following: Decompression Increasing temperature Addition of water to the mantle Increasing pressure
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