Ages of the Steens and Columbia River flood basalts and their relationship to extension-related calc-alkalic volcanism in eastern Oregon

Bulletin of the Geological Society of America

Volumn 114, Issue 1, 2002, Pages 43-50

  Hooper, P R ^a   Binger, G B ^a   Lees, K R ^a  

^a WASHINGTON STATE UNIVERSITY   (United States)

Author keywords

Calc alkalic volcanism; Columbia River Basalt; Extension; Hotspot; Steens Basalt

Indexed keywords

FLOOD-BASALT PROVINCES;

AGING OF MATERIALS; ARGON; CALCULATIONS; FLOODS; TRACE ELEMENTS;

STRATIGRAPHY;

CALC ALKALINE ROCK; EXTENSIONAL TECTONICS; FLOOD BASALT; HOT SPOT; STRATIGRAPHY; TERTIARY; VOLCANISM;

UNITED STATES;

EID: 84879886207     PISSN: 00167606     EISSN: None     Source Type: Journal    
DOI: 10.1130/0016-7606(2002)114<0043:AOTSAC>2.0.CO;2     Document Type: Article

References (56)

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2. Rb/Sr K/Ar geochronometry of the Mesozoic granite rocks and their Sr isotope composition, Oregon, Washington and Idaho
3. Reevaluation of the timing and duration of extrusion of the Imnaha, Picture Gorge, and Grande Ronde Basalts, Columbia River basalt group
4. A Miocene subcontinental plume in the Pacific Northwest: Geochemical evidence
5. Mid-Miocene propagation of the Yellowstone mantle plume head beneath the Columbia River basalt source region
6. Implications of mantle plume structure for the evolution of flood basalts
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15. Strontium and oxygen isotope variations in Mesozoic and Tertiary plutons of central Idaho
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17. Geochemistry of the steens mountains basalts, Oregon
18. Calc-alkaline magmatism, lithospheric thinning and extension in the basin and range
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39. Eocene sedimentation and volcanism in the Fig Lake graben, southwestern British Columbia
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43. The northern Nevada rift: Regional tectono-magnetic relations and middle Miocene stress direction