True or false: 12. Geologists think that magma might change over time (evolve) and so that one magma body could give rise to igneous rocks with a range of compositions.
True or false: 12. Geologists think that magma might change over time (evolve) and so that one magma body could give rise to igneous rocks with a range of compositions.
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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True or false:
12. Geologists think that magma might change over time (evolve) and so that one magma body could give rise to igneous rocks with a range of compositions.
13. Dikes and sills are most commonly mafic, even in continental areas, because mafic magma has a low viscosity allowing the formation of extensive tabular plutons.
7. Both limbs of an overturned fold dip in the same direction, but one has been tilted beyond the vertical.
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