Tindfjöll

Tindfjallajokull

Stratovulcano · Iceland · 1464 m

The broad massif of Tindfjallajökull is seen here from the ESE looking into the open 5 x 7 km summit caldera, with a rugged two-peaked rhyolitic dome in the center. The NW rim of the caldera is overtopped by the Tindfjallajökull icecap, which forms the smooth flat surface at the summit. Several small effusive eruptions occurred at the beginning of the Holocene. · Foto: Photo by Oddur Sigurdsson, 1976 (Icelandic National Energy Authority). · Wikimedia Commons

Tipo: Stratovulcano
Paese: Iceland
Regione: Atlantic Ocean Volcanic Regions / Iceland Neovolcanic Rift Volcanic Province
Altitudine: 1464 m
Coordinate: 63.783, -19.716
Ultima eruzione: Sconosciuto
Contesto tettonico: Rift zone / Oceanic crust (< 15 km)
Forma vulcanica: Composite
Roccia principale: Basalt / Picro-Basalt

Sintesi geologica

Tindfjallajökull is one of the oldest late-Quaternary volcanoes of the eastern volcanic zone of Iceland, and has produced rocks of basaltic-to-rhyolitic composition. The NW rim of the 5-km-wide caldera is topped by an icecap. About a dozen small eruptions took place during the late Pleistocene or early Holocene, mostly from vents north and west of the caldera. Although previously thought to be the source of the nearby Thórsmörk Ignimbrite deposits, Moles et al. (2019) showed that they originated from Torfajökull (about 30 km NE).

Sintesi da Wikipedia

Il Tindfjöll è un vulcano situato nella regione del Suðurland, nella parte meridionale dell'Islanda.

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