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Petroleum Geology of the State of Washington
Paperback

Petroleum Geology of the State of Washington

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Paleomagnetic and 40Ar/39Ar results from mafic dikes and sills in northwestern Wyoming and western Montana yield similar virtual geomagnetic poles and isotopic dates. In combination with paleomagnetic and geochronologic data from elsewhere in the western Cordillera, these data provide evidence for a regional mafic magnetic event at 780 to 770 Ma that affected a large area of western North America.

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MORE INFO
Format
Paperback
Publisher
Bibliogov
Country
United States
Date
1 March 2013
Pages
50
ISBN
9781287021285

Paleomagnetic and 40Ar/39Ar results from mafic dikes and sills in northwestern Wyoming and western Montana yield similar virtual geomagnetic poles and isotopic dates. In combination with paleomagnetic and geochronologic data from elsewhere in the western Cordillera, these data provide evidence for a regional mafic magnetic event at 780 to 770 Ma that affected a large area of western North America.

Read More
Format
Paperback
Publisher
Bibliogov
Country
United States
Date
1 March 2013
Pages
50
ISBN
9781287021285