 | Robbins, Eleanora, Quigley-Raymond, Shannon, Lai, Ming, Fried, Janae (2018) Microbial Geochemistry Reflecting Sulfur, Iron, Manganese, and Calcium Sources in the San Diego River Watershed, Southern California USA. Geosciences, 8 (12) 495 doi:10.3390/geosciences8120495 | Journal (article/letter/editorial) | | and Calcium Sources in the San Diego River Watershed, Southern California USA Eleanora I. Robbins 1, *...Sciences, San Diego State University, 5500 Campanile Dr., San Diego, CA 92182-1020, USA The San Diego River...Highway, Suite 114, San Diego, CA 92110, USA; shannon@sandiegoriver.org City of San Diego, Storm Water Division...100, San Diego, CA 92123, USA; MLai@sandiego.gov 3826 Elkhorn Blvd., North Highlands, CA 95660, USA; janaefried@yahoo...distinctive precipitates of S, Fe, Mn, and Ca in the San Diego River watershed reflect an interplay between the |  | | Report (issue) | | GEOLOGIC MAP OF THE EL CAJON MOUNTAIN QUADRANGLE SAN DIEGO COUNTY, CALIFORNIA by Victoria R. Todd... Geologic map of the El Cajon Mountain quadrangle, San Diego County, California PURPOSE OF PROJECT Published...the Peninsular Ranges batholith in southern San Diego County (southern Santa Ana block) are relatively...enough for determination of fault displacements. The El Cajon Mountain quadrangle is the tenth map of a series...Hoggatt, 1979; Todd, 1977-82). INTRODUCTION The El Cajon Mountain 7-1/2 f quadrangle lies within the |  | | Report (issue) | | FOR A TRANSECT OF THE CENTRAL SIERRA NEVADA, CALIFORNIA: GEOCHRONOLOG Y AND ISOTOPE GEOLOGY by R. W....25 DAY 3. Yosemite Valley to Mammoth Lakes, California .......................27 Figure 13............Triassic (240-200 Ma). Figure 2. Outline map of California and Nevada showing the initial 87Sr/86Sr=0.706...quartz diorite and tonalite; Bt, biotite tonalite; T, tonalite; BHQd, biotite-homblende quartz diorite; HyQd...in the Sierra Nevada and Inyo-White Mountains, California. The porphyritic central fades of the five zoned-intrusive |  | | Journal (article/letter/editorial) | | geochemical evidence for derivation of the El Capitan Granite, California, by partial melting of hydrous gabbroic...850°C) partial melts synthesized at 700 MPa in biotite-hornblende gabbros from the central Sierra Nevada...compositions matching those of the Cretaceous El Capitan Granite, a prominent granite and silicic granodiorite...part of the Sierra Nevada batholith (Yosemite, CA, USA) locally mingled with coeval, isotopically similar...113:1486–1502, 2001). These results are evidence that the El Capitan Granite, and perhaps similar intrusions in the |  | | Book | | paper) 1. Geology—California—Yosemite National Park. 2. Natural history— California—Yosemite National...9. A Natural Dam Across Yosemite Valley: The El Capitan Moraine 121 10. Cracks in the Earth: The Fissures...day in Yosemite. Whether they are inching up El Capitan or strolling though a grassy meadow, people are...world-renowned features such as Half Dome, Yosemite Falls, El Capitan, and Vernal Fall. Whether they realize it or...for geologic research. Your authors grew up in California and became fascinated early on with its geology |  | | Report (volume) | | Hutchings, "Scenes of Wonder and Curiosity in California," 1870. FOREWORD Within 150 years, Yosemite... . . . . . . . . . . . . . . 9 Hornblende and biotite crystals ......................................... . . . . . . . . . . . . . . . . . . . . 12 El Capitan Granite ................................................... 18 Diorite dikes on the face of El Capitan .................................. 19 Evolution...formed in the EI Capitan Granite ....................... 32 The Rockslides and El Capitan ............. |  | | Report (issue) | | Archive in 2012 with funding from University of California, Davis Libraries http://www.archive.org/det...MINERAL RESOURCES OF SAN DIEGO COUNTY, CALIFORNIA By F. HAROLD WEBER JR., California Division of Mines...Stewart COUNTY REPORT California Division of Mines Ferry Building, LIBRARY UNIVERSITY OF CALIFORNIA DAVIS...DAVIS San 3 and Geology Francisco, 1963 ^ OF STATE OF CALIFORNIA EDMUND G. BROWN, Governor J?...CAMPBELL, Director AND GEOLOGY State Geologist COUNTY REPORT ^ Price $8.00 3 CONTENTS Page ABSTRACT |  | | Journal (article/letter/editorial) | | granitoids of the central Sierra Nevada batholith, California: nature, origin, and relations with the hosts...depth, whereas those richer in large crystals of biotite were formed by disruption of late mafic aggregates...Calc-alkaline granitoids; Sierra Nevada batholith; California 1. Introduction Mafic magmatic enclaves (MME)...plutons and suites but are scarce or absent in biotite granites and in intrusions that contain large K-feldspar...suites (e.g., Barbarin, 1989). The absence of biotite-rich and sillimanite-bearing restites is also noticeable |  | Cohen, B. E., Knesel, K. M., Vasconcelos, P. M., Thiede, D. S., Hergt, J. M. (2008) 40Ar/39Ar constraints on the timing and origin of Miocene leucitite volcanism in southeastern Australia. Australian Journal of Earth Sciences, 55 (3) 407-418 doi:10.1080/08120090701769514 | Journal (article/letter/editorial) | | eruption ages range from 17.9 + 0.3 Ma (2s) at El Capitan in northern-central New South Wales to 8.9 +...(Figure 2; Table 1). However, some centres, such as El Capitan and Begargo Hill, gave age ranges of several...leucite separates from the Wilga Tank plug at El Capitan (McQueen et al. 2007) gave ages of 14.9 + 0.2...Longitude (E) Byrock El Capitan El Capitan El Capitan (Wilga Tank) El Capitan (Wilga Tank) Condobolin...Begargo Hill na GA3479 na na BR I na CPT II WT6 Biotite Whole rock Whole rock Whole rock K – Ar K – Ar |  | | Report (issue) | | River terrane (AR), Mount Ararat terrane (MA), Cool Quarry terrane (CQ), French Creek terrane (FrC), Mother...10 0 20 40 60 80 100 KILOMETERS 175-113 San A n Geologic map compiled and modified mainly from...ultramafics Hornblende biotite granodiorite, Bucks Lake pluton Hornblende biotite granodiorite, Grizzly...keratophyre tuff, central belt Biotite granodiorite, Bald Rock pluton Hornblende biotite granodiorite, Scales pluton...Smartville complex Hornblende biotite tonalite, Yuba Rivers pluton Biotite hornblende tonalite, Yuba Rivers |  | | Journal (article/letter/editorial) | | Copyright © 1998 Elsevier Science Ltd Printed in the USA. All rights reserved 0016-7037/98 $19.00 1 .00 Pergamon...of Earth Sciences, Hanover, New Hampshire 03755, USA 2 (Received February 20, 1997; accepted in revised...Nevada batholith, California and the Archean Wind River Mountains, Wyoming, both in USA. Lead isotopes were...bedrock: (1) the Mesozoic Sierra Nevada batholith, California and (2) the Archean Wind River Mountains, Wyoming...samples contain quartz, plagioclase, K-feldspar, biotite, zircon, opaque minerals, hornblende (except sample |  | | Report (volume) | | ____-_---------------_--_-.--___--__ Southern California batholith._______-----_---^_---_-_--___---__--__...content of igneous rocks of the southern California batholith. San Marcos gabbro-----------------__----.----...igneous rocks and minerals from the southern California batholith _________________________________________________...in igneous rocks of the batholith of southern California plotted against the composition of the rocks...content of some igneous rocks from the southern California batholith before and after acid treatment- ______ |  | Stern, T.W., Bateman, P.C., Morgan, B.A., Newell, M.F., Peck, D.L. (1981) Isotopic U-Pb ages of zircon from the granitoids of the central Sierra Nevada, California. Professional Paper 1185. US Geological Survey doi:10.3133/pp1185 | Report (issue) | | the Granitoids of the Central Sierra Nevada, California Isotopic U-Pb Ages of Zircon from the Granitoids...Granitoids of the Central Sierra Nevada, California By T. W. STERN, P. C. BATEMAN, B. A. MORGAN, M. F. NEWELL...granitoids, Sierra Nevada and adjacent areas, eastern California ----------------- 2 2. Schematic chart showing...optimum average U-Pb ages on zircon, K-Ar ages on biotite and hornblende, and Rb-Sr wholerock ages------...THE GRANITOIDS OF THE CENTRAL SIERRA NEVADA, CALIFORNIA By T. W. STERN, P. C. BATEMAN, B. A. MORGAN |  | Nelson, Wendy R., Dorais, Michael J., Christiansen, Eric H., Hart, Garret L. (2013) Petrogenesis of Sierra Nevada plutons inferred from the Sr, Nd, and O isotopic signatures of mafic igneous complexes in Yosemite Valley, California. Contributions to Mineralogy and Petrology, 165 (2) 397-417 doi:10.1007/s00410-012-0814-9 | Journal (article/letter/editorial) | | of mafic igneous complexes in Yosemite Valley, California Wendy R. Nelson • Michael J. Dorais • Eric H...Sciences, Brigham Young University, Provo, UT 84602, USA Keywords Sierra Nevada batholith Plagioclase zoning...Sciences, University of Houston, Houston, TX 77204, USA e-mail: wrnelson2@uh.edu Introduction Abstract...99164, USA Present Address: G. L. Hart Pacific Northwest National Laboratory, Richland, WA 99352, USA 87...mafic complex— spatially associated with the El Capitan and Taft granites. This study utilizes samples |  | | Book (volume) | | Drift Beneath your feet, as you stand upon a California Earth—is cohesive and surprisingly flexible...build up Sudden movement along the San Andreas Fault caused the San Francisco earthquake of 1906. Large...double line of the San Andreas Fault runs northward across San Luis Obispo County, California. Movement is...will see, important to the development of the California, Oregon, and Washington that we know today. The...collision has engen- dered a large fault system, the San Andreas Fault and its many branches, on which |  | | Report (issue) | | Central Part of the Sierra Nevada Batholith, California by Paul C. Batemanl/ This report supplements...87-670, Pre-Tertiary bedrock geologic quadrangle, California. It provides expanded shown on the map and interpretations...does not imply endorsement by the USGS. Park, California Note for New Publications of the U.S. Geological...central part of the Sierra Nevada batholith, California, by Paul C. Bateman. This publication supplements...geologic map of the Mariposa 1° by 2° quadrangle, California by providing descriptions and interpretations |  | | Report (issue) | | Emplacement of Mesozoic Batholithic Complexes In California and Western Nevada By J. F. EVERNDEN and R. W...Prepared in cooperation with the University of California (Berkeley) Department of Geological Sciences...ent age as a function of c.hlorite content of biotite __________________ -------___________________________...Genetic significance of potassium-argon ages of biotite and hornblende _______________________·_________...----------------·------------------Discordant biotite-hornblende pairs-evidence of rehea~d plutons ____ |  | | Report (volume) | | 45 45 46 48 49 50 54 55 56 56 56 57 59 59 62 El Capitan ___________ _____ ______ 3 63 4 . CONTENTS...Other prospects__________________ 72 Mission-Alaska Quarry Co_ 74 Heceta and neighboring islands___________________...Island-.______________________________ IX. A, Marble quarry of Alaska Marble Co. at Calder, Prince of Wales...Co.'s quarry, Tokeen; B, Face of marble at depth of about . 50 feet in Vermont Marble Co.'s quarry, Tokeen_____...Tokeen_____ XII. A, First quarry opening, Vermont Marble Co., Tokeen; B, Wharf and water front of Vermont |  | | Journal (article/letter/editorial) | | Copyright © 2002 Elsevier Science Ltd Printed in the USA. All rights reserved 0016-7037/02 $22.00 ⫹ .00 Pergamon...of a granite sample from the El-Capitan Granite, Sierra Nevada, California, were leached several times...sphene. In addition, we have demonstrated that biotite is significantly less resistant to weathering than...and Leaching Procedure The rock studied is the El-Capitan Granite (102 Ma; Alpha et al., 1985). It was...Tamarack Flat campground in Yosemite National Park, California (Table 1) in an area which was extensively eroded |  | | Journal (article/letter/editorial) | | granitic rocks of the central Sierra Nevada, California John B. Reid, Jr., Owen C. Evans * and Dailey...Revised version received September 6, 1983 The E1 Capitan alaskite exposed in the North American Wall, Yosemite...counterparts in the large granodioritic batholiths of California and British Columbia. The suites (basalt-and...Department of Earth and Space Sciences, University of California, Los Angeles, Los Angeles, CA 90024, U.S.A. 0012-821X/83/$03...that the mafic lavas at Medicine Lake Highland, California, are related dominantly by fractional crystallization |  | | Report (issue) | | River, about 7 miles southwest of Raton, in Colfax County, N. Mex. The bed lies practically horizontal and...States, with the exception of a small quantity of biotite and lepidolite, the latter of which is used in...the predominating constituent is muscovite or biotite mica, garnet, cyanite, staurolite, or hornblende...of origin, grade into each other. MICA IN LATAH COUNTY, IDAHO. Deposits of mica have been found in several...scale. The deposits described below are in Latah County and lie in a north-south belt about 2 miles wide |  | | Journal (article/letter/editorial) | | ........................................ 385 California.......................................................... 386 Volcanic eruption in northern California................................................Yosemite valley (no negative). El Capitan, looking southeast (No. 44). El Capitan, looking west, Yosemite valley...43). Yosemite valley, general view (No. 40). El Capitan from th e trail, Yosemite valley (No. 49). Cathedral...377.pdf by Murdoch University Library user CALIFORNIA 387 Photographed by H. W. Turner 6 £ by 8 i |  | | Journal (article/letter/editorial) | | from the Board of Researchof the University of California to defray a part of the field and laboratory...all muscovite and chlorite and a little altered biotite. After removal of magnetite from the heavy fraction...leaching of biotite without afiecting any of the other heavy minerals, whereupon the leached biotite was separated...separations. In biotite-rich rocks, apatite could be counted only in the presenceof a flood of biotite. If the...presence of biotite, then apatite and sphenewere counted in the fraction containing biotite, whereas zircon |  | | Book | | ROADSIDE 4% JrEoLocy or SOUTHERN CALIFORNIA ARTHUR GIBBS SYLVESTER AND ELIZABETH O’ BLACK GANS IGagsine... IGagsine ~%_ JEOLOGY of SOUTHERN CALIFORNIA ARTHUR GIBBS SYLVESTER ILLUSTRATED BY ELIZABETH O’BLACK...based on the 2010 Geologic Map of California, published by the California Geological Survey, and on maps...Elizabeth, 1971- Title: Roadside geology of southern California / Arthur Gibbs Sylvester and Elizabeth O’Black...paper) Subjects: LCSH: Geology—California, Southern—Guidebooks. | California, Southern—Guidebooks. Classification: |  | | Journal (article/letter/editorial) | | in the Preston Peak area, Klamath Mountains, California ARTHUR W. SNOKE Department of Geology, University...In the Preston Peak area, Klamath Mountains, California, a regional thrust fault separates metasedimentary...the Klamath Mountains province of northwestern California and southwestern Oregon (Irwin, 1960). The belts...Generalized geologic map of Klamath Mountains province, California and Oregon. Downloaded from https://pubs.geoscienceworld...serpentinized). These structures are found in other California ultramafic rocks (Burro Mountain, southern Coast |
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