본문으로 건너뛰기

Garibaldi Lake volcanic field

Garibaldi Lake

화산대지 · Canada · 2316m

The Garibaldi Lake volcanic field consists of nine small stratovolcanoes and vents of Pleistocene to Holocene age around Garibaldi Lake, seen here with Mount Garibaldi in the background. Mount Price, in the center of the photo, is a small andesitic stratovolcano. Clinker Peak on the west flank produced two Holocene lava flows that dammed Rubble Creek at the right-hand margin of this photo, forming Garibaldi Lake.
The Garibaldi Lake volcanic field consists of nine small stratovolcanoes and vents of Pleistocene to Holocene age around Garibaldi Lake, seen here with Mount Garibaldi in the background. Mount Price, in the center of the photo, is a small andesitic stratovolcano. Clinker Peak on the west flank produced two Holocene lava flows that dammed Rubble Creek at the right-hand margin of this photo, forming Garibaldi Lake. · 사진: Photo by Lee Siebert, 1983 (Smithsonian Institution). · Wikimedia Commons
화산 유형
화산대지
국가
Canada
지역
North America Volcanic Regions / Garibaldi Volcanic Arc
해발
2316m
좌표
49.933, -123.000
마지막 분화
미확인
판구조 환경
Subduction zone / Continental crust (> 25 km)
화산 지형
Cluster
주요 암석
Andesite / Basaltic Andesite
지질학적 요약

A group of nine small andesitic stratovolcanoes and basaltic andesite vents in the scenic Garibaldi Lake area immediately north of Mount Garibaldi was formed during the late Pleistocene and early Holocene. The oldest stratovolcano, The Black Tusk, formed between about 1.3 and 1.1 million years ago (Ma). Following glacial dissection, renewed volcanism (0.21-0.17 Ma) produced the lava dome and flow forming its summit. Other Pleistocene vents are located along and to the west of the Cheakamus River. The Cinder Cone, to the east of The Black Tusk, produced a 9-km-long lava flow during the late Pleistocene or early Holocene (0.04 +/- 0.04 Ma). Mount Price, west of Garibaldi Lake, was formed in three stages dating back to 1.1 million years, the latest of which produced two large lava flows from Clinker Peak during the early Holocene that ponded against the retreating continental ice sheet and formed the barrier containing Garibaldi Lake. The Table, a steep-sided subglacial tuya south of Garibaldi Lake, was also formed during the early Holocene.

분화 이력

상세 타임라인

분화 기록이 없습니다.

외부 링크

⚠ 참고용 정보입니다. 재난 대응에 사용하지 마세요.