Download or read book Interpretation of shallow crustal structure of the Imperial Valley California from seismic reflection profiles written by Lupe K. Severson and published by . This book was released on 1987* with total page 136 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Interpretation of Shallow Crustal Structure of the Imperial Valley California from Seismic Reflection Profiles written by and published by . This book was released on 1987 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Eight seismic reflection profiles (285 km total length) from the Imperial Valley, California, were provided to CALCRUST for reprocessing and interpretation. Two profiles were located along the western margin of the valley, five profiles were situated along the eastern margin and one traversed the deepest portion of the basin. These data reveal that the central basin contains a wedge of highly faulted sediments that thins to the east. Most of the faulting is strike-slip but there is evidence for block rotations on the scale of 5 to 10 kilometers within the Brawley Seismic Zone. These lines provide insight into the nature of the east and west edges of the Imperial Valley. The basement at the northwestern margin of the valley, to the north of the Superstition Hills, has been normal-faulted and blocks of basement material have ''calved'' into the trough. A blanket of sediments has been deposited on this margin. To the south of the Superstition Hills and Superstition Mountain, the top of the basement is a detachment surface that dips gently into the basin. This margin is also covered by a thick sequence sediments. The basement of the eastern margin consists of metamorphic rocks of the upper plate of the Chocolate Mountain Thrust system underlain by the Orocopia Schist. These rocks dip to the southeast and extend westward to the Sand Hills Fault but do not appear to cross it. Thus, the Sand Hills Fault is interpreted to be the southern extension of the San Andreas Fault. North of the Sand Hills Fault the East Highline Canal seismicity lineament is associated with a strike-slip fault and is probably linked to the Sand Hills Fault. Six geothermal areas crossed by these lines, in agreement with previous studies of geothermal reservoirs, are associated with ''faded'' zones, Bouguer gravity and heat flow maxima, and with higher seismic velocities than surrounding terranes.

Download or read book Interpretation of Shallow Crustal Structure of the Imperial Valley California from Seismic Reflection Profiles written by Lupe K. Severson and published by . This book was released on 1987 with total page 160 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Paleomagnetic Rotations and Continental Deformation written by Catherine Kissel and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 516 pages. Available in PDF, EPUB and Kindle. Book excerpt: One of the most interesting results obtained in the last two decades in the study of crustal deformation has been the recognition that large regions of continental crust undergo rotations about vertical axis during deformation. Proof of such rotations has come through the paleomagnetic studies, which reveal rotations when paleomagnetic declinations within the deforming region arc compared with those found in coeval rocks in the stable regions outside the deforming zone. Such rotations were first described in Oregon then in the North American Cordilleras and in Southern California and were a surprise to everyone. Even in California which, as a result of oil exploration, was among the best geologically explored regions in the world, no one could claim to have predicted that these rotations would be found. Rotations have subsequently been found in other areas of recent continental tectonic activity, notably in the Basin and Range province, New Zealand, the Andes, Greece and Western Turkey, so that they appear as an important feature of continental deformation.

Download or read book Publications of the Geological Survey written by Geological Survey (U.S.) and published by . This book was released on 1983 with total page 330 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book A Study of the Shallow Crustal Structure of the Mojave Desert Southern California from COCORP Seismic Reflection Data written by Bernadette Lee Czuchra and published by . This book was released on 1985 with total page 136 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Energy Research Abstracts written by and published by . This book was released on 1988 with total page 1224 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Petroleum Abstracts Literature and Patents written by and published by . This book was released on 1988 with total page 1656 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book U S Geological Survey Professional Paper written by and published by . This book was released on 1984 with total page 476 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Petroleum Abstracts written by and published by . This book was released on 1996 with total page 580 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book U S Geological Survey Bulletin written by and published by . This book was released on 1983 with total page 470 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Summaries of Technical Reports Volume XVIII written by and published by . This book was released on 1984 with total page 568 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Tertiary Stratigraphy of Highly Extended Terranes California Arizona and Nevada written by Geological Survey (U.S.) and published by . This book was released on 1993 with total page 272 pages. Available in PDF, EPUB and Kindle. Book excerpt: Proceedings of a workshop held at the Desert Research Center, Soda Springs (Zzyzx), California, February 9-12, 1990.

Download or read book Crustal Structure of Southeasternmost California written by Rebecca S. Morris and published by . This book was released on 1990 with total page 278 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Geological Survey Professional Paper written by Geological Survey (U.S.) and published by . This book was released on 1984 with total page 436 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Crustal Structure of the Continental Borderland and the Adjacent Portion of Baja California Between Latitudes 300N and 330N written by Thomas Leon Plawman and published by . This book was released on 1978 with total page 166 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Open file Report written by and published by . This book was released on 1984 with total page 560 pages. Available in PDF, EPUB and Kindle. Book excerpt: