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You were a team leader on a geologic field trip. All of you felt very tired afte spending the whole day to describe the outcrops and date the rocks using t principles of relative dating and some fossil records you could possibly find i the sedimentary rocks. You thought that you could confidently date the age: the rocks and were ready to call off the trip. However, Dave firmly insisted t spend another hour to drill and collect samples of igneous rocks. You felt at

You were a team leader on a geologic field trip. All of you felt very tired afte spending the whole day to describe the outcrops and date the rocks using t principles of relative dating and some fossil records you could possibly find i the sedimentary rocks. You thought that you could confidently date the age: the rocks and were ready to call off the trip. However, Dave firmly insisted t spend another hour to drill and collect samples of igneous rocks. You felt at

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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18. Please provide the correct answer choice
You were a team leader on a geologic field trip. All of you felt very tired after spending the whole day to describe the outcrops and date the rocks using the principles of relative dating and some fossil records you could possibly find in the sedimentary rocks. You thought that you could confidently date the ages of the rocks and were ready to call off the trip. However, Dave firmly insisted to spend another hour to drill and collect samples of igneous rocks. You felt a bit annoyed first but quickly agreed. Why did Dave so adamantly want to get igneous rock samples? O Because it is always better to collect as many rock samples as possible during a field trip. O Because it is an item on the to-do list of the field trip. Because sedimentary rocks are radiometrically datable but collection of both types of rock makes the dating more reliable. O Because the most reliable radiometrical dating is to use datable fresh igneous rock samples. 1
Transcribed Image Text:You were a team leader on a geologic field trip. All of you felt very tired after spending the whole day to describe the outcrops and date the rocks using the principles of relative dating and some fossil records you could possibly find in the sedimentary rocks. You thought that you could confidently date the ages of the rocks and were ready to call off the trip. However, Dave firmly insisted to spend another hour to drill and collect samples of igneous rocks. You felt a bit annoyed first but quickly agreed. Why did Dave so adamantly want to get igneous rock samples? O Because it is always better to collect as many rock samples as possible during a field trip. O Because it is an item on the to-do list of the field trip. Because sedimentary rocks are radiometrically datable but collection of both types of rock makes the dating more reliable. O Because the most reliable radiometrical dating is to use datable fresh igneous rock samples. 1
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