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A group of cinder cones near Pleistocene Burney Mountain volcano, including Twin Buttes to the southeast, is considered to be of Holocene age (Miller, 1989).


Summary

The cones are part of are area of extensive Quaternary volcanism north of the Lassen volcanic field. The youngest volcanism in this area has been assigned an age of latest Pleistocene or early Holocene. Blocky, partially unvegetated lava flows extend to the north from North and South Twin Buttes, which are located at the SE foot of the Burney Mountain lava dome complex.

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