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Table Top Mountain description and information

TABLE TOP MTN LINKS

SAMPLES
LOCATION
FACTS
Official Name: Table Top Mountain
Type:Pyroclastic cone
Most Recent Activity:
Seismically Monitored: No
Elevation: 2598 ft (792 m)
Latitude: 53.9671° N
Longitude:166.679° W
Quadrangle:Unalaska
CAVW Number:
Pronunciation: Sound file
Nearby towns:Unalaska 9 mi (14 km) SE
Akutan 39 mi (62 km) NE
Nikolski 115 mi (185 km) SW
False Pass 145 mi (233 km) NE
Anchorage 793 mi (1277 km) NE
DESCRIPTION
From Miller and others (1998): "Tabletop Mountain, the eroded remains of of a pyroclastic cone encircled by flows originating from small flank vents, is 20 km northeast" of Makushin Volcano. Table Top is considered to be Holocene in age, and to represent a magmatic system separate from that of Makushin (Nye, personal commun., 2007). From McConnell and others (1997): "An 40Ar/39Ar age of 68+/-14 ka places this unit as the oldest satellite vent. Basaltic lavas and tephra from Table Top Mountain northeast of Makushin Volcano and a small, glaciated ramp of lava north and west of the cone."
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Page modified: June 12, 2014 07:20
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