Selandia Baru · Stratovolkan
Clark Seamount
Clark
- Tipe
- Stratovolkan
- Ketinggian
- 860 m (bawah laut)
- Letusan terakhir
- Tidak diketahui
- Tipe
- Stratovolkan
- Negara
- Selandia Baru
- Wilayah
- Tonga & Kermadec / Southern Kermadec Volcanic Arc
- Ketinggian
- 860 m (bawah laut)
- Koordinat
- -36.446, 177.839
- Letusan terakhir
- Tidak diketahui
- Kondisi tektonik
- Zona subduksi / Kerak samudra (< 15 km)
- Bentuk lahan
- Komposit
- Batuan utama
- Basal / Pikrobasal
Ringkasan geologi
The submarine Clark stratovolcano lies near the southern end of the Southern Kermadec arc. This basaltic and dacitic edifice consists of a basal substrate of massive lava flows, pillow lavas, and pillow tubes overlain by volcaniclastic sediments. Craters are present along the complex crest. Clark is the southernmost volcano of the submarine chain that displays hydrothermal activity. Diffuse hydrothermal venting and sulfide chimneys were observed near the summit during a New Zealand-American NOAA Vents Program expedition in 2006.
Ringkasan Wikipedia
Ringkasan InggrisClark is a dormant submarine volcano located off the northern coast of New Zealand and is one of the South Kermadec Ridge Seamounts.
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