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Buldir Volcano description and information

BULDIR LINKS

SAMPLES
LOCATION
FACTS
Official Name: Buldir Volcano
Type:Stratovolcano cluster
Most Recent Activity:
Seismically Monitored: No
Elevation: 2152 ft (656 m)
Latitude: 52.3488° N
Longitude:175.909° E
Quadrangle:Kiska
CAVW Number:311010
Pronunciation: Sound file
Associated Features:East Cape
Kittiwake Pond
Nearby towns:Shemya Station 80 mi (129 km) NW
Attu Station 119 mi (192 km) NW
Adak 318 mi (512 km) SE
Atka 418 mi (673 km) SE
Anchorage 1410 mi (2270 km) NE
DESCRIPTION
From Wood and Kienle (1990) [1]: "Buldir Island is the westernmost volcanic center of the present Pleistocene to Recent Aleutian volcanic front. The next westward subaerial volcanism is in Kamchatka. Buldir is a small (~2 cubic km), isolated, and mountainous island consisting of two volcanoes, the older of which is Buldir volcano and the younger East Cape volcano. Although broadly of similar age, a significant lapse of time between their formation allowed considerable marine and subaerial erosion, the products of which fill the lowlands. Buldir volcano, which once had a parasitic cone, consists of a few thin (3-m), olivine-bearing, high alumina basalt flows and much volcaniclastic debris. East Cape volcano has two vents: the principal vent forms an eruptive cone cored by a late stage plug, whereas the secondary vent is a large flank dome of hornblende andesite.

"Buldir Island is unusual in its restricted flora relative to neighboring islands, suggesting that it is comparatively young and not a fragment of a much older, larger subaerial island. The once nearly extinct Aleutian goose (a lesser Canada goose) was rekindled from relict nestings on Buldir."

REFERENCES CITED
[1]
Volcanoes of North America: United States and Canada, 1990
Wood, C. A., and Kienle, Juergen, (eds.), 1990, Volcanoes of North America: United States and Canada: New York, Cambridge University Press, 354 p.

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Page modified: March 2, 2017 15:59
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