Global Volcanism Program | Image GVP-03021
Forked Butte scoria cone in the foreground formed about 6,500 years ago south of Mount Jefferson, whose flank appears to the right. A lava flow from the southern base of Forked Butte traveled 8 km to the west down Cabot Creek.
Photo by Dan Miller, 1977 (U.S. Geological Survey).
Keywords: scoria cone