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A volcanic mountain could form in a relatively short geologic time span. Mountains formed by plate collision could take millions and millions of years. The volcano of Mauna Loa on the big island of Hawaii may have first seen sunlight a mere 400,000 years ago. The Himalayan Mountains, a result of plate collision, by contrast, are still growing, 50 million years after they started.

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14y ago
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15y ago

It takes approximately fifteen million years to uplift an entire mountain range. However, it takes roughly one hundred million years to erode a mountain range away. This is the time needed for either mountains formed from an oceanic-continental subduction zone or a continental-continental convergent boundary to be raised a considerable distance above sea level.

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10y ago

how long does it take for a Valley Glacier

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14y ago

A valley is formed when pieces of the Earth's crust move apart from each other.

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14y ago

millions or years

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11y ago

90 days

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Lvl 1
3y ago

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Q: How long does it take for landforms to form?
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