True or False: Mafic magmas are low in silica and contain lighter-colored minerals such as quartz. A True False
True or False: Mafic magmas are low in silica and contain lighter-colored minerals such as quartz. A True False
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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Question 3
True or False: Mafic magmas are low in silica and contain lighter-colored minerals such as
quartz.
A
True
False
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Step 1- Explanation
A mafic magma is a type of magma that is silica undersaturated and is rich in magnesium and iron. The rocks formed from mafic magma are usually dark in color and contains minerals like olivine, pyroxene, calcic plagioclase, amphiboles and biotites.
On the other hand, a felsic magma is a silica saturated magma and the rocks formed from this magma are lighter colored and are rich in minerals like quartz and feldspars.
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