Olson Mountain (Jackson County, Oregon)

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Olson Mountain
Olson Mountain (Jackson County, Oregon)
Highest point
Elevation 5,040 ft (1,540 m)
Coordinates 42°39′44″N122°32′9″W / 42.66222°N 122.53583°W / 42.66222; -122.53583
Geology
Mountain type Shield volcano [1]

Olson Mountain, located in Jackson County, Oregon in the US is an extinct shield volcano. [1] It created the Table Rocks north of Medford, Oregon.

Contents

Geography

Olson Mountain is south of Prospect, Oregon, northeast of Medford, Oregon, northwest of other shield volcanoes such as Mount McLoughlin, Brown Mountain, Pelican Butte, and Rustler Peak, and east of Lost Creek Lake.

Geology

Upper and Lower Table Rock, two plateaus north of Medford, are lava flows that were created when Olson Mountain erupted. [2] They were eroded when the Rogue River carved into the rock, causing the lava to collapse. [2]

References

  1. 1 2 Hladky, Frank R. (July 1998). "Age, chemistry, and origin of capping lava at Upper Table Rock and Lower Table Rock, Jackson County, Oregon" (PDF). Oregon Geology. 60 (4): 81–91 – via Oregon Department of Geology and Mineral Industries.
  2. 1 2 "Table Rocks". www.oregonencyclopedia.org.
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