Deschutes & Ochoco National Forests
Crooked River National Grassland

Oregon Volcanoes

Jordan Craters Flows

SUMMARY

Type: volcanic field
Activity: extinct
Last Eruption: less than 30,000 years ago
Rock Type: basalt
Eruptive Volume: ?
Latitude: 43.14 N
Longitude: 117.45 W
Location Maps: from TIGER Mapping Service

• State Level - shows state and communities
• County Level - shows county lines, highways, and communities
• Local Level - shows above plus lakes and local roads

Topo Map from TopoZone

GEOLOGIC BACKGROUND:

The Jordan Craters flows are the youngest flows of a large Quaternary basalt field in eastern Oregon. The most recent flows come from Coffeepot Crater, a large breached cinder cone. These flows show excellent examples of inflated lava.

HISTORIC ACTIVITY:

• None

DATA SOURCE:

• Chitwood, 1994
• Otto and Hutchison, 1977
  

ADDITIONAL INFORMATION

• Link to VolcanoWorld's Jordan Craters Info