Brushy Butte is a small, poorly studied,
shield volcano
A shield volcano is a type of volcano named for its low profile, resembling a shield lying on the ground. It is formed by the eruption of highly fluid (low viscosity) lava, which travels farther and forms thinner flows than the more viscous lava ...
located immediately east of Timbered Crater, south-southeast of the
Medicine Lake Highlands in northern
California
California () is a U.S. state, state in the Western United States that lies on the West Coast of the United States, Pacific Coast. It borders Oregon to the north, Nevada and Arizona to the east, and shares Mexico–United States border, an ...
, U.S. (near where
Siskiyou County, California
Siskiyou County ( ) is a county (United States), county located in the northwestern portion of the U.S. state of California. As of the 2020 United States census, 2020 census, the population was 44,076. Its county seat is Yreka, California, Yre ...
is adjacent to
Shasta County, California
Shasta County (), officially the County of Shasta, is a County (United States), county located in the Northern California, northern portion of the U.S. state of California. Its population is 182,155 as of the 2020 census, up from 177,223 from t ...
). This volcano is considered to have formed soil development and a degree of revegetation similar to that of Hat Creek flow. There is no current information on any Holocene eruptions from Brushy Butte, the last known eruption for the Brushy Butte was in the Pleistocene age, and the eruption was considered to be over 10-20 years, this was found based on the different lava flow landforms created and their placement around the interior of the volcano.. Brushy Butte is located in a rifting area and the type of magma that erupted is called tholeiitic basalt; a type of lava that is dark and it contains 45 to 53 percent of silica, rich in iron and magnesium.
See also
*
List of volcanoes in the United States of America
This article contains a list of volcanoes in the United States and its territories.
Alaska
American Samoa
Arizona
California
Colorado
Hawaii
Idaho
Illinois
Louisiana
Michigan
Mississippi
Missouri
Nevada
Ne ...
*
Cascade Volcanoes
The Cascade Volcanoes (also known as the Cascade Volcanic Arc or the Cascade Arc) are a number of volcanoes in a continental volcanic arc in western North America, extending from southwestern British Columbia through Washington and Oregon to No ...
References
Subduction volcanoes
Cascade Volcanoes
Cascade Range
Shield volcanoes of the United States
Volcanoes of Shasta County, California
Volcanoes of California
Pleistocene shield volcanoes
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