Earth Science (15th Edition)
15th Edition
ISBN: 9780134543536
Author: Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Publisher: PEARSON
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Question
Chapter 11, Problem 1GST
To determine
The sequence of formation of features present in the accompanying image showing metamorphic rock gneiss, a basaltic dike and a fault with logic.
Expert Solution & Answer
Answer to Problem 1GST
The sequence of formation of features present in the image from older to younger is Gneiss, dike, fault. Gneiss is metamorphic and must have formed before the dike, otherwise the igneous dike would have been metamorphosed also. The fault has split and separated the dike, therefore the dike must have formed before the fault occurred.
Explanation of Solution
According to the principle of cross-cutting relationship, the igneous dike is younger and formed after the metamorphic rock Gneiss that cuts through it. Gneiss is a high grade foliated metamorphic rock and must have formed before the dike, otherwise the dike would have been metamorphosed too. The fault has split and separated the dike, hence the igneous dike must have formed before the fault occurred.
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Chapter 11 Solutions
Earth Science (15th Edition)
Ch. 11.1 - Prob. 1CCCh. 11.1 - Prob. 2CCCh. 11.2 - Prob. 1CCCh. 11.2 - Prob. 2CCCh. 11.2 - Prob. 3CCCh. 11.2 - Prob. 4CCCh. 11.3 - Prob. 1CCCh. 11.3 - Prob. 2CCCh. 11.3 - Prob. 3CCCh. 11.4 - Prob. 1CC
Ch. 11.4 - Prob. 2CCCh. 11.4 - Prob. 3CCCh. 11.4 - Prob. 4CCCh. 11.5 - Prob. 1CCCh. 11.5 - Prob. 2CCCh. 11.5 - Prob. 3CCCh. 11.5 - Prob. 4CCCh. 11.6 - Prob. 1CCCh. 11.6 - Prob. 2CCCh. 11.7 - Prob. 1CCCh. 11.7 - Prob. 2CCCh. 11.7 - Prob. 3CCCh. 11.7 - Prob. 4CCCh. 11 - Prob. 1GSTCh. 11 - Prob. 2GSTCh. 11 - Prob. 3GSTCh. 11 - Prob. 4GSTCh. 11 - Prob. 5GSTCh. 11 - Prob. 6GSTCh. 11 - Prob. 7GSTCh. 11 - Prob. 8GSTCh. 11 - Prob. 9GSTCh. 11 - Prob. 1EQCh. 11 - Prob. 2EQCh. 11 - Prob. 3EQ
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