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| The Mojave-Sonora Megashear Hypothesis: Development, Assessment, and Alternatives |
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| | edited by | Thomas H. Anderson
Jonathan A. Nourse
James W. McKee
Maureen B. Steiner
| | Year Published: | 2005 | | Total Pages: | 692 | | ISBN: | 0813723930 | | Product Code: | SPE393 | | This volume provides a comprehensive overview of the idea that a great fault, the Mojave-Sonora megashear, served as the plate boundary of southwestern North America in the Late Jurassic. The volume is organized into three parts to illuminate separate aspects of the megashear controversy. For the first time, the original U-Pb analyses and field observations that led to development of the megashear hypothesis are presented (three articles) along with their detailed geologic context. Seventeen papers included in the assessment section document significant efforts by numerous geoscientists to tackle various aspects of the problem. Finally, to provide a balanced perspective, five articles in the alternatives section argue against existence of the megashear as originally proposed and provide alternative interpretations to explain geologic relations in northern Mexico and the southwestern United States. The volume includes diverse studies that consider the stratigraphy, structure, geochronology, geochemistry, and paleontology of relevant geologic units. |
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