| 1. | Mountain building took place in western North America, Europe, and East Asia.
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| 2. | This period of mountain building is referred to as the Ross Orogeny.
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| 3. | Taken together these processes are referred to as orogeny or mountain building.
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| 4. | Mountain building begins in the late Paleogene, producing mostly continental sandstone facies.
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| 5. | During the Devonian, the state was the site of mountain building once again.
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| 6. | The island's bedrock is largely composed of Caledonian mountain building period.
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| 7. | This suggests that some of the mountain building activity occurred after the plains formed.
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| 8. | The deformation becomes less pervasive away from the younger, more active Alpine mountain building.
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| 9. | Mountain building is evident on the drive south of Old Faithful, toward Craig Pass.
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| 10. | In the Neogene orogeny ( mountain building ) started again.
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