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Tiongkok · Medan gunung api

Longgang volcano group

Longgang Group

Tipe
Medan gunung api
Ketinggian
1000 m
Letusan terakhir
350
Sanjiaolongwan is a 1-km-wide early Pleistocene maar of the Longgang volcanic field. This massive volcanic field covers 1,700 km2 in the Jilin Province of NE China, west of Changbaishan volcano, and contains lava flows, more than 150 Quaternary scoria cones, and tuff rings.
Sanjiaolongwan is a 1-km-wide early Pleistocene maar of the Longgang volcanic field. This massive volcanic field covers 1,700 km2 in the Jilin Province of NE China, west of Changbaishan volcano, and contains lava flows, more than 150 Quaternary scoria cones, and tuff rings. · Foto: Photo by Xiang Liu, 1983 (Changchun University).
Tipe
Medan gunung api
Negara
Tiongkok
Wilayah
Asia Timur / Central East Asia Volcanic Province
Ketinggian
1000 m
Koordinat
42.330, 126.500
Letusan terakhir
350
Kondisi tektonik
Intralempeng / Kerak benua (> 25 km)
Bentuk lahan
Gugusan gunung api
Batuan utama
Basal / Pikrobasal
Ringkasan geologi

The Longgang volcanic field covers 1,700 km2 in the Jilin Province of NE China. Basaltic and trachybasaltic lava flows cover a large area containing more than 150 Quaternary cinder cones and eight tuff rings. There is only one known cinder cone of Holocene age, Jinlongdingzi (Gold Dragon Peak); the eruption formed the large scoria cone and deposited tephra over a broad area to the E which was radiocarbon dated at about 1,600-1,700 years ago.

Riwayat letusan

1 tercatatGlosarium
Ringkasan (VEI dari waktu ke waktu)
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350~350 · 1 letusan · VEI maks. ?350350351351351

Garis waktu rinci

  1. 350VEI ?Perkiraan geologi
    350 – akhir tidak diketahui
    Jinlongdingzi

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