USDA Forest Service
 

Deschutes & Ochoco National Forests
Crooked River National GrasslandHeader Counter

 
 

Deschutes National Forest
1001 SW Emkay Drive
Bend, OR   97702

(541) 383-5300

Ochoco National Forest
3160 N.E. 3rd Street
Prineville, OR   97754

(541) 416-6500

Crooked River National Grassland
813 S.W. Hwy. 97
Madras, OR   97741

(541) 475-9272

United States Department of Agriculture Forest Service.

Geology

Oregon Volcanoes

Devils Garden Flows

SUMMARY

Type: lava flow field
Activity: extinct
Last Eruption: less than 50,000 years ago
Rock Type: basalt
Eruptive Volume: ? cu km
Latitude: 43.52 N
Longitude: 120.86 W
Location Maps: from TIGER Mapping Service

Topo Map from TopoZone

GEOLOGIC BACKGROUND:

The Devils Garden lava field consists of several flows of  pahoehoe lava that erupted from fissure vents in the northeast part of the Devils Garden. The main vent on the north end of the fissure fed two large gutter/tube systems. Several small vents to the south produced The Blowouts (two large spatter cones), several small spatter cones, and flows.  Several older hills and higher areas were completely surrounded by the flows to form kipukas. The distal ends of the flows show excellent examples of inflated lava.

HISTORIC ACTIVITY:

  • None

DATA SOURCE:

  • Chitwood, 1994
  • Jensen, 1995

ADDITIONAL INFORMATION

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USDA Forest Service - Deschutes & Ochoco National Forests
Last Modified: Wednesday, 26 November 2003 at 12:02:53 EST


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