Publications
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Paleomagnetic data from the Coso Range, California and current status of the Cobb Mountain normal geomagnetic polarity event
Two basalt flows which erupted about 1.08 m.y. ago in the Coso Range, California, have normal magnetic polarity and thus provide additional evidence for the Cobb Mountain normal polarity event. A review of available data confirms that this event was of geomagnetic origin. A mean age of 1.10 ± 0.02 m.y. B.P. for the Cobb Mountain normal polarity event was found to best fit all available radiometric
Authors
Edward A. Mankinen, C. Sherman Grommé
Post 12 m.y. rotation of southwest Washington
Paleomagnetic field directions from the basalt of Pack Sack Lookout are compared to those from the Pomona Member of the Saddle Mountains Basalt of the Columbia River Basalt Group. The Pomona crops out over a wide region on the Columbia Plateau east of the Cascade Range, and the basalt of Pack Sack Lookout crops out well to the west of the Cascades about 30 to 60 km east of the Washington coast. Ou
Authors
James R. Magill, Ray E. Wells, Robert W. Simpson, Allan Cox
Preliminary geology of the Bristol Lake region, Mojave Desert, California
No abstract available.
Authors
D. M. Miller, Keith A. Howard, B.E. John
Preliminary tectonostratigraphic terrane map of California
No abstract available.
Authors
M.C. Blake, D. G. Howell, David Lawrence Jones
Evaluation of potential surface faulting and other tectonic deformation
No abstract available.
Authors
M. G. Bonilla
Mid-Cretaceous radiolarians in Perapedhi Formation
No abstract available.
Authors
W. P. Irwin, B. L. Murchey, D. L. Jones, S.A. Kling
In the southwest: Tectonic evolution reviewed
No abstract available.
Authors
D. M. Miller, Keith A. Howard, M. D. Carr
Geology of a subduction complex in the Franciscan assemblage of northern California
No abstract available.
Authors
M. Clark Blake, A. S. Jayko, D. G. Howell
A geologic reconnaissance of the Cycladic blueschist belt, Greece
The Cycladic blueschist belt consists of two distinctive segments separated by a broad zone of superposed granitic and high-temperature metamorphic rocks. The northern segment contains early metamorphic fold axes and parallel glaucophane lineations that trend ∼060° with a progressive increase in metamorphism toward the southeast. The southern segment contains similar fold axes and glaucophane line
Authors
M. Clark Blake, Michel Bonneau, Jacques Geyssant, J.R. Kienast, Claude Lepvrier, Henri Maluski, Dimitrios Papanikolaou
The Franciscan assemblage and related rocks in northern California: A reinterpretation
No abstract available.
Geologic transect of the northern Diablo Range, California
No abstract available.
Authors
M. Clark Blake