Lavic Lake

sopka (bez známé erupce za posledních ~12 000 let), United States, North America Volcanic Regions

Kde

United States, North America Volcanic Regions

Typ (GVP)

Volcanic field

Nadmořská výška

1 495 m

Poloha

34,750°, -116,625°

The Lavic Lake basaltic volcanic field was considered to contain four Holocene cinder cones, three in the Lavic Lake area and a fourth in the Rodman Mountains 20 km to the west (Miller, 1989), but later work by USGS scientists revised that evaluation to late-Pleistocene. Pisgah Crater, a 100-m-high cinder cone, is the most prominent feature of the field. Nearby vents were the source of dominantly pahoehoe lava flows that traveled 8 km SE to Lavic Lake and in a narrow lobe over that traveled over alluvial-fan and playa-lake deposits as far as 18 km W of the vent. More recent work indicates a convergence of dates for Pisgah Crater from paleomagnetic, Ar-Ar, and cosmogenic helium at about 25,000 years BP (Reid 2002, pers. comm.). Another very youthful looking, but undated cinder cone and lava field is located in the Sunshine Peak area of the Lava Beds Mountains, south of Pisgah Crater.

Text: Smithsonian Global Volcanism Program.

Údaje o sopce: Smithsonian Global Volcanism Program. Další sopky a průduchy.