1. Which of the following events did NOT occur between formation of the lowest m
ID: 116967 • Letter: 1
Question
1. Which of the following events did NOT occur between formation of the lowest metamorphic rocks and deposition of the flat-lying sedimentary layers?
uplift of the metamorphic rocks
formation of light-colored, very coarsely crystalline dikes of pegmatite that cut the metamorphic rocks
erosion of the metamorphic rocks
formation of the granite
Metamorphic rocks in bottom of canyon
Dark, igneous dike
Granite
Rhyolite
uplift of the metamorphic rocks
formation of light-colored, very coarsely crystalline dikes of pegmatite that cut the metamorphic rocks
erosion of the metamorphic rocks
formation of the granite
2. Which of the following is the oldest unit in Painted Canyon?Metamorphic rocks in bottom of canyon
Dark, igneous dike
Granite
Rhyolite
Explanation / Answer
formation of granite is unrelevant here because it forms from the slow crystallization of magma below Earth's surface.
all other are possible like
uplift of the metamorphic rocks -due to faulting
,formation of light-colored, very coarsely crystalline dikes of pegmatite that cut the metamorphic rocks
erosion of the metamorphic rocks
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granite
forms from the slow crystallization of magma below Earth's surface
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