National Geologic Map Database
General Information
- Title: Reevaluation of the timing and duration of extrusion of the Imnaha, Picture Gorge, and Grande Ronde Basalts, Columbia River Basalt Group
- Author(s): Baksi, A.K.
- Publishing Organization: Geological Society of America
- Series and Number: Special Paper 239 [p. 105-112]
- Larger Work: Volcanism and tectonism in the Columbia River flood-basalt province [See Larger Work]
- Publication Date: 1989
- Map Scale: 1:9,375,000
- Cross Section: None
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