File:MtChurchill-CalderaRim.jpg
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Summary
| Description | U.S. Geological Survey climbing party reaching the east rim of the summit caldera on 4,766-m (15,636 ft)-high Mount Churchill, site of two of the most voluminous explosive eruptions in North America in the past 2,000 years. Blocky debris in the photo consists of pumice and lithic fragments ejected 1,250 years ago. This deposit forms the eastern lobe of the White River Ash. Wrangell-St. Elias National Park and Preserve, Alaska, USA | |||
| Location | Wrangell-St. Elias National Park and Preserve, Alaska, USA | |||
| Date | ||||
| Source | http://pubs.usgs.gov/dds/dds-39/ | |||
| Author | G. Dubois, U.S. Geological Survey | |||
| Permission (Reusing this file) |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 04:19, 22 April 2007 | | 1,024 × 711 (231 KB) | Seattle Skier | {{Information |Description= U.S. Geological Survey climbing party reaching the east rim of the summit caldera on 4,766-m (15,636 ft)-high Mount Churchill, site of two of the most voluminous explosive |
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