Île de l'Est

Est, Ile de l'

Stratovolkan · France · 1090 m

Ile de l'Est, the easternmost island in the Crozet archipelago, is seen in this NASA International Space Station image (N to the top). The glacially-eroded volcano contains about a half dozen young scoria cones of possible Holocene age concentrated on its E flank. Cape Itaine forms the small peninsula on the SW side of the island (bottom left), and Abondance Bay is at the bottom center. · Foto: NASA International Space Station image ISS006-E-37992, 2003 (http://eol.jsc.nasa.gov/). · Wikimedia Commons

Tipe: Stratovolkan
Negara: France
Wilayah: Somalian-Antarctic Volcanic Regions / Crozet Hotspot Volcano Group
Ketinggian: 1090 m
Koordinat: -46.430, 52.200
Letusan terakhir: Tidak diketahui
Kondisi tektonik: Rift zone / Oceanic crust (< 15 km)
Bentuk lahan: Composite
Batuan utama: Basalt / Picro-Basalt

Ringkasan geologi

Ile de l'Est, the easternmost island in the Crozet archipelago, is a glacially eroded basaltic stratovolcano. A metamorphosed gabbroic complex is cut by a dense network of dikes and cone sheets that fed younger volcanic rocks. The 10 x 19 km island is the oldest of the Crozet Islands, but contains five younger oxidized scoria cones, most of which are on its E flank. The young scoria cones may be Holocene (LeMasurier and Thomson, 1990).

Ringkasan Wikipedia

Île de l'Est merupakan bagian dari archipelago sub-Antarktik Kepulauan Crozet. Dengan luas 130 km², merupakan pulau terbesar kedua pada kumpulan pulau itu. Dimiliki oleh teritori Daratan Antartika dan Selatan Prancis.

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