题目
GEL 020 001 FQ 2025 Quiz for Lecture 6 (10/13)
匹配题
Match the geologic province of California with its corresponding tectonic setting. 1: Sierran Batholith 2: Central Valley 3: Franciscan 4: Accreted terranes
选项
A.[ 选择 ]
B.basement on which the arc was built
C.forearc
D.arc
E.accretionary prism
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标准答案
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思路分析
To begin, we need to pair each geologic feature with its tectonic setting as described.
Option by option analysis:
Option 1 in the answer list is 'arc'. This corresponds to the Sierran Batholith, which represents the granitic plutons formed in the core of an ancient volcanic arc building event, so identifying it with an 'arc' makes sense conceptually.
Option 2 in the answer list is 'forearc'. The Central Valley is a broad trough that sits between the subduction zone and the volcanic arc, functioning as a forearc basin in many plate tectonics models, which makes this a plausible match for Central Valley......Login to view full explanation登录即可查看完整答案
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