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Middle Mesozoic plutonism and deformation in the western Sierra Nevada foothills, California

Clemens-Knott, Diane and Wolf, Michael B. and Saleeby, Jason B. (2000) Middle Mesozoic plutonism and deformation in the western Sierra Nevada foothills, California. In: Great Basin and Sierra Nevada. Field guide (Geological Society of America). No.2. Geological Society of America , Boulder, CO, pp. 205-221. ISBN 9780813700021. http://resolver.caltech.edu/CaltechAUTHORS:20141027-093522116

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Abstract

Southeastward beyond the southern termination of the Sierran Foothills metamorphic belt, metamorphic pendants of Paleozoic ophiolitic basement are intruded by Middle Jurassic to Early Cretaceous, mafic-to-intermediate plutonic rocks. These rocks constitute a record of the various plutonic environments that were active along the western North American, margin during the middle Mesozoic: a Middle Jurassic ensimatic arc, a Late Jurassic, Nevadan-age, transpressional-transtensional regime, and an emergent, Early Cretaceous continental-margin arc. In detail, these plutonic suites reveal the roles that both pre- and synmagmatic structures-such as Paleozoic transform faults, Nevadan-age regional sutures, and localized Cretaceous crustal tears-played in focusing magmatism. Taken together, outcrops of the Kings River ophiolite, the Owens Mountain dike swarm, and the Stokes Mountain ring dike complexes reveal a sequence of tectonic and magmatic processes through which accreted oceanic lithosphere was transformed into continental crust.


Item Type:Book Section
Additional Information:© 2000 Geological Society of America. We are indebted to the many landowners who provided access to the spectacular outcrops described in this guide. The three projects described in this guide were supported, in part, by NSF grants EAR-8904063 and EAR-9105692, an NSF Graduate Fellowship, 3 GSA Penrose grants, and a Sigma Xi grant.
Funders:
Funding AgencyGrant Number
NSFEAR-8904063
NSFEAR-9105692
NSF Graduate FellowshipUNSPECIFIED
Geological Society of America Penrose Bequest Research GrantsUNSPECIFIED
Sigma Xi GrantUNSPECIFIED
Record Number:CaltechAUTHORS:20141027-093522116
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:20141027-093522116
Official Citation:Clemens-Knott, D., Wolf, M.B., and Saleeby, J.B., 2000, Middle Mesozoic plutonism and defonnation in the western Sierra Nevada foothills, California, in Lageson, D.R., Peters, S.G., and Lahren, M.M., eds., Great Basin and Sierra Nevada: Boulder, Colorado, Geological Society of America Field Guide 2, p. 205-221.
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:50832
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:27 Oct 2014 16:51
Last Modified:27 Oct 2014 16:51

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