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Author Question: The Peninsular terrane is now part of the crust of North America in southern Alaska. The dominant ... (Read 320 times)

mmm

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on: Feb 28, 2020

Question 1

The Sierra Nevada Mountains of California, and the Teton Mountains of Wyoming, ranges are examples of ________.
◦ fault blocks uplifted by late Tertiary to Quaternary normal faulting
◦ isostatic uplift of crust over thickened in early Paleozoic time
◦ uplifted blocks bounded by Quaternary reverse faults
◦ folding, compression, and thickening of Paleozoic strata in Jurassic time

Question 2

The Peninsular terrane is now part of the crust of North America in southern Alaska. The dominant rock type in this terrane is intrusive igneous rock that ranges in composition from gabbro to granite and volcanic rock with a similar compositional range. Geologic evidence indicates the Peninsular terrane collided with North America during late Mesozoic time. Which of the following would be the most reasonable interpretation for the origins of the Peninsular terrane?
◦ a Paleozoic accretionary wedge
◦ a Mesozoic oceanic plateau
◦ a Cenozoic forearc basin
◦ a Mesozoic accretionary wedge
◦ a Mesozoic island arc
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Marked as best answer by mmm on Feb 28, 2020

millet

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Reply #1 on: Feb 28, 2020
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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POPOPOPO POOp

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Reply #2 on: Sep 17, 2022
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