Uinkaret volcanic field

Geological location

US |


Source: NASA

The Grand Canyon was at least 13 times blocked by lava-flows the last 630.000 years. Most of these lava flows came from this Uinkaret Volcanic Field. Some flows were 700m high and more than 100 km long. But the river could always cut them through and the lakes which were created after the damming of the Colorado by the lava were never existing for a long time.

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