Prince Edward Island
Gunung api perisai · South Africa · 672 m
- Tipe
- Gunung api perisai
- Negara
- South Africa
- Wilayah
- Somalian-Antarctic Volcanic Regions / Marion Hotspot Volcano Group
- Ketinggian
- 672 m
- Koordinat
- -46.630, 37.950
- Letusan terakhir
- Tidak diketahui
- Kondisi tektonik
- Rift zone / Oceanic crust (< 15 km)
- Bentuk lahan
- Shield
- Batuan utama
- Basalt / Picro-Basalt
Ringkasan geologi
Uninhabited 5 x 10-km-wide Prince Edward Island lies opposite Marion Island at the N end of a submarine plateau on the Antarctic Plate immediately S of the SW Indian Ocean Ridge. It is a low-angle remnant of a large shield volcano formerly centered off the current NW shore of the island. Pleistocene and Holocene scoria cones and tuff cones are located throughout the unglaciated island, which was active contemporaneously with nearby Marion Island. Fifteen of the scoria cones and four tuff cones on the coastal plain were active during the Holocene.
Ringkasan Wikipedia
Ringkasan InggrisThe Prince Edward Islands are two small uninhabited subantarctic volcanic islands in the southern Indian Ocean that are administered by South Africa. They are named Marion Island and Prince Edward Island.
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