Lýsuskarð

Helgrindur

火山原 · Iceland · 986m

An aerial view looking east down the Snæfellsnes Peninsula shows the Bláfeldarhraun lava flow in the foreground. The cone that produced it is part of the Helgrindur (Lýsuskarð) volcanic system, which consists of small scoria cones and vents along a WNW-ESE trend across the central Snæfellsnes Peninsula. · 写真: Photo by Oddur Sigurdsson, 1983 (Icelandic National Energy Authority). · Wikimedia Commons

タイプ: 火山原
国: Iceland
地域: Atlantic Ocean Volcanic Regions / Iceland Neovolcanic Rift Volcanic Province
標高: 986m
座標: 64.866, -23.283
最終噴火: 不明
テクトニクス環境: Rift zone / Oceanic crust (< 15 km)
火山地形: Cluster
主要岩石: Basalt / Picro-Basalt

地質学的概要

Helgrindur (also known as Lysuhóll or Lysukard) is one of Iceland's smallest volcanic systems. It consists of a chain of small alkali olivine basaltic cinder cones and vents along a WNW-ESE line cutting across the central Snaefellsnes Peninsula in western Iceland. The slightly arcuate line of Quaternary vents extends to the northern coast of the peninsula. Helgrindur is the central of three volcanic systems occupying the peninsula. The latest eruption is undated, but the system has been active during the Holocene.

Wikipedia の要約

英語版の要約

Helgrindur is a volcanic mountain range or massif in the middle of the Snæfellsnes peninsula that provides a backdrop to the port of Grundarfjörður. The volcano can be regarded as potentially active, with a risk of lava flows and much more rarely explosive tephra eruptions. The range with its prominent peaks, of Tröllkerling at 891 m (2,923 ft) in its south-east, Böðvarskúla at 988 m (3,241 ft) and Kaldnasaborgir (Kaldnasi) in its north-west at 986 m (3,235 ft) is popular with hikers or mountaineers.

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