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Mount Dana description and information

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Official Name: Mount Dana
Type:Dome complex
Most Recent Activity:
Seismically Monitored: No
Elevation: 4442 ft (1354 m)
Latitude: 55.64205° N
Longitude:161.21551° W
Quadrangle:Port Moller
CAVW Number:312050
Pronunciation: Sound file
Nearby towns:Nelson Lagoon 25 mi (40 km) NE
Sand Point 35 mi (56 km) SE
Unga 42 mi (68 km) SE
Belkofski 50 mi (80 km) SW
Anchorage 560 mi (902 km) NE
DESCRIPTION
From Wood and Kienle (1990): "Mount Dana is a small calc-alkaline volcanic center consisting largely of volcaniclastic debris surrounding a central dome or domes, reminiscent of Augustine volcano. The volcano rests on relatively undeformed Jurassic and Cretaceous marine sandstone and shale. Mesozoic sedimentary rocks, dipping steeply southwest, form the southwest crater rim and are exposed in the canyon at the crater outlet. Remnants of a high-silica andesite dome are exposed on the west crater rim and in a small mound on the east side of Knutson Lake. A block-and-ash flow erupted 3,840 yBP fills valleys south and west of the crater. A 200-m-wide tufa mound and several cold springs occur at elevations of 490 to 520 m on the southwest flank."
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Page modified: June 12, 2014 07:20
Contact Information: AVO Web Team

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