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Global Volcanism Program | Image GVP-03018

The Jefferson Creek lava flow traveled 13 km down Jefferson and Candle Creeks from an unnamed cinder cone NE of Forked Butte and is younger than the nearby 6,500-year-old Forked Butte lava flow. The two flows traveled down different drainages and joined near this point. The snow-covered summit of Mount Jefferson is visible above the trees. Photo by Lee Siebert, 1995 (Smithsonian Institution).

The Jefferson Creek lava flow traveled 13 km down Jefferson and Candle Creeks from an unnamed cinder cone NE of Forked Butte and is younger than the nearby 6,500-year-old Forked Butte lava flow. The two flows traveled down different drainages and joined near this point. The snow-covered summit of Mount Jefferson is visible above the trees.

Photo by Lee Siebert, 1995 (Smithsonian Institution).

Keywords: lava flow | deposit


Jefferson