 | | Report (issue) | | Geology of the San Francisco North Qu^lrangle, California GEOLOGICAL SURVEY PROFESSIONAL Public inquiry...GEOLOGY OF THE SAN FRANCISCO NORTH QUADRANGLE, CALIFORNIA 1 San Francisco Bay area aerial view east,... Geology of the San Francisco North Quadrangle, California By JULIUS SCHLOCKER GEOLOGICAL SURVEY PROFESSIONAL...part of the City of San Francisco and southern Marin County, Calif., including a description of the Franciscan.................... 25 Marin Peninsula ................................ 25 Angel and Alcatraz Islands and |  | | Journal (article/letter/editorial) | | ON SOME GLAUCOPHANE AND ASSOCIATED SCHISTS IN THE COAST RANGES OF CALIFORNIA.' THE blue amphibole or...or glaucophane schists of the California Coast Ranges, with which are genetically associated actinolite...amphibole or glaucophane, which they contain. Whether this blue amphibole is mainly glaucophane, crossite...amphiboles will be referred to in this paper as glaucophane. ' The writers are indebted to Dr. J. P. Smith...and Sedimentary Rocks of the Coast Ranges of California," H. W. TURNER,JOUR. GEOL.,Vol. VI, p. 488 etseq |  | | Journal (article/letter/editorial) | | and Environmental Sciences, California State University, Fresno, CA, USA b Department of Earth and Planetary...and Environmental Sciences, California State University, Fresno, CA, USA; bDepartment of Earth and Planetary...complexes, such as the Franciscan Complex of California, include tectonic contacts that represent exhumed...between the blueschist facies metagreywacke of the Angel Island nappe above and the prehnite-pumpellyite facies...of the Angel Island nappe displays an inverted metamorphic gradient with jadeite-glaucophane-lawsonite |  | | Journal (article/letter/editorial) | | Accepted Manuscript The Franciscan Complex (California, USA) – The model case for return-flow in a subduction...Alexander Krohe , The Franciscan Complex (California, USA) – The model case for return-flow in a subduction...FOCUS’ Review paper The Franciscan Complex (California, USA) – the model case for return- PT flow in...high-P NU mélanges would reflect the structural state at depth of the SC. On the basis of the predictions...Franciscan subduction channel 5. 2 Matrix 5.3. Catalina Island 6. Syn-high-P deformation 7. Post high-P tectonic |  | | Journal (article/letter/editorial) | | AND SEDIMENTARY ROCKS OF THE COAST RANGES OF CALIFORNIA.' are Tlze metabasalts and diabases of the Coast...by Professor Whitney, the former state Dr. geologist of California, to be metamorphic sandstones. in...Ransome,4 in a study of the rocks at Pt. Bonita, California, found there similar rocks, which he called basalt...Ransome, in an investigation of the geology of Angel Island, found certain greenstones which he considered...in company with Mr. J. S. Diller, I visited Angel Island and collected there specimens of the so-called |  | | Journal (article/letter/editorial) | | Santa Rosa, CA, USA; bDepartment of Geology, Appalachian State University, Boone, NC, USA ABSTRACT ARTICLE...ARTICLE HISTORY The Franciscan Complex of California is better understood now than in 1972, when Berkland...mass comprising the supramantle basement of the California-Southern Oregon Coast Ranges exposed east of...collision-generated orogens. The Franciscan Complex of California (USA) is now considered by many to be the archetypical...Institute, 3327 Cypress Way, Santa Rosa, CA 95405, USA Downloaded by [University of Florida] at 06:42 |  | | Journal (article/letter/editorial) | | JADEITE-BEARING METAGRAYWACKES IN CALIFORNIA T. W. Broxnw, DepartmentoJ Geology,Princeton, New Jersey...Jersey. Ansrucr At several localities in California jadeite-bearing rocks have developed from the metamorphism...metamorphism at low temperature. The presence of glaucophane and lawsonite in the jadeite-bearing rocks shows...short distances. As in many of the associated glaucophane schists, albite is typically absent in the rocks...rocks of this nature may occur in other parts of California but have hitherto escaped notice because of their |  | | Journal (article/letter/editorial) | | condition, and vice versa. R. D. S. The Geology of Angel Island. F. LESLIE RANSOME. (Bulletin Geo- logical...logical Department of University of California, Vol. i, No. 7.) Angel Island is about a square mile in extent...northeast of San Francisco. The larger portion of the island is occupied by the San Francisco sandstone, which... Bright blue amphibole, with pleochroism of glaucophane is a noticeable feature. It is also remarkably...development of a glaucophane schist. Serpentine which occurs as a large dike traversing the island from northwest |  | | Journal (article/letter/editorial) | | Geological Sciences, Stanford University, Stanford, CA, USA ABSTRACT ARTICLE HISTORY The Franciscan Complex...comprises the largely sedimentary basement of the California Coast Ranges. This classic trench deposit has...with the North American lithosphere in western California. These iconic oceanic trench deposits constitute...and Baja California. Figure 1 shows the general geologic relationships for most of California. Irwin (1960)...(1972) subdivided Franciscan rocks in northern California into three major, fault-bounded map units, CONTACT |  | | Journal (article/letter/editorial) | | Planetary Physics, University of California, Los Angeles, California 90024 Mineral Parageneses in Franciscan...Franciscan Metamorphic Rocks, Panoche Pass, California Abstract: Approximately 33 square miles of Franciscan...Panoche Pass in the Diablo Range of the central California Coast Ranges were mapped at an initial scale...present in the area are not mantled by metasomatic glaucophane schist aureoles, but do appear to contain tectonic...of chloritized eclogite, "glaucophane eclogite," amphibolite, glaucophane schist, and greenstone. Petrographic |  | | Journal (article/letter/editorial) | | c Geology Department, Sonoma State University, Rohnert Park, CA, USA; bCoast Range Geological Mapping...Mapping Institute, Santa Rosa, CA, USA; Institute of Geoscience, University of Tsukuba, Tsukubamirai, Japan;...dDepartment of Geology, San Jose State University, San Jose, CA, USA ABSTRACT ARTICLE HISTORY Subduction...described AUs from the Franciscan Complex of California and the MiuraBoso area of Japan provide examples...architecture in modern CONTACT Loren A. Raymond 94928, USA *Deceased raymondla@bellsouth.net © 2019 Informa |  | | Journal (article/letter/editorial) | | CRYSTALLINE ROCKS OF THE OAK HILL AREA NEAR SAN JOSÉ, CALIFORNIA E. P. CAREY ANDW. J. MILLER CONTENTS INTRODUCTION...PetrographicCharacters. THE GLAUCOPHANE SCHISTS. 1. OrdinaryTypical Glaucophane Schist. 2. GarnetiferousSchist...city of San José, in the Santa Clara Valley, California. On the north of 152 CRYSTALLINE ROCKS OF OAK...the serpentineof the San Francisco Peninsula, Angel Island, CrystalSpringsLake, and numerous other occurrencesin...Geological Survey. 3 "The Stratigraphyof the California Coast Ranges," Journal of Geology, Vol. III (1895) |  | | Journal (article/letter/editorial) | | District, San Benito County, California1 U.S. Geological Survey, Menlo Park, California, U.S.A. by R. G...pressures. 210 R. G. COLEMAN—JADEITE DEPOSITS, CALIFORNIA metagraywackes described in recent papers by...essentially of quartz-lawsonite-jadeitic pyroxene-glaucophane. Jadeite from Clear Creek occurs with a different...wide, situated within the New Idria District, California (Fig. 1). This District is located in the southern...southern extension of the Diablo Range of the California Coast Ranges. The regional geology has been described |  | | Journal (article/letter/editorial) | | analytical data on six eclogites from glaucophane schist terrains in California and New Caledonia now permit comparisons...pressure-temperature conditions characterizing the glaucophane schist facies. The formation of eclogites \vithin...analyses of eclogites . . 503 Eclogites from glaucophane schists 486 Mineralogy 11. CFM plot of coexisting...Eclogite, Tiburon Peninsula 491 ene-bearing glaucophane schists . . . . . 490 491 5. Chemical and physical...Eclogite, Junction School 492 from eclogites and glaucophane schists . . 494 6. Eclogite, New Caledonia 492 |  | COHEN, LEWIS H., CONDIE, KENT C., KUEST, LOUIS J., MACKENZIE, GLENN S., MEISTER, FRED H., PUSHKAR, PAUL, STUEBER, ALAN M. (1963) Geology of the San Benito Islands, Baja California, Mexico. Geological Society of America Bulletin, 74 (11) 1355 doi:10.1130/0016-7606(1963)74[1355:gotsbi]2.0.co;2 | Journal (article/letter/editorial) | | Bulletin Geology of the San Benito Islands, Baja California, Mexico LEWIS H COHEN, KENT C CONDIE, LOUIS J...MACKENZIE - Dept. Earth Sciences, University of California, San Diego, La Jolla, Calif. FRED H. MEISTER...STUEBER Geology of the San Benito Islands, Baja California, Mexico Abstract: The San Benito Islands, a...of three islands off the Pacific coast of Baja California, are of significant geologic interest because...carbonate, serpentine, and glaucophane rock. The western two thirds of West Island consist of a folded sequence |  | | Journal (article/letter/editorial) | | This article was downloaded by: [North Dakota State University] On: 09 October 2014, At: 16:59 Publisher:...Metamorphic Rocks of the Franciscan Complex, California: Revisiting the Timing of Metamorphism of the...John Wakabayashi & Trevor A. Dumitru a b California State University, Fresno b Stanford University...Metamorphic Rocks of the Franciscan Complex, California: Revisiting the Timing of Metamorphism of the...forbidden. Terms & Downloaded by [North Dakota State University] at 16:59 09 October 2014 Conditions |  | | Journal (article/letter/editorial) | | n A m s t e r d a m , N e t h e r l a n d s Glaucophane Problems ~ W.P. de Roever W i t h 2 Figures R...o m m o n belief, c o m m o n n a t u r a l glaucophane m a y need considerable pressure for its formation...with other characteristic minerals of Eskola's glaucophane-schist facies, i.e., with crossite, lawsonite...aragonite of metamorphic origin. The occurrence of glaucophane and of these other minerals is mainly confined...exceptions pertaining to both glaucophane and lawsonite are the Ural Mountains, the island of Anglesey and East |  | | Report (issue) | | petrology Composition of jadeitic pyroxene from the California metagraywackes, by R. G. Coleman X-ray determinative...Triassic undevitrified volcanic glass from Hound Island, Keku Strait, southeastern Alaska, by D. A. Brew...rocks in the South Groveland quadrangle, Essex County, Mass., by R. 0. Castle Stratigraphy of the upper...the type Clinton (Middle Silurian) in New York State, by J. M. Berdan and D. H. Zenger Miocene macrofossils...Pleistocene glaciers in the White Mountains of California and Nevada, by V. C. LaMarche, Jr 144 147 Landslide |  | | Report (issue) | | UNIVERSITY ®F CALIFORNIA DAVIS DEPARTMENT OF NATURAL RESOURCES WARREN T. HANNUM, Dir^tor STATE OF CALIFORNIA...JOSEPH PASK R. A. STIRTON N. I. TALIAFERRO OF CALIFORNIA L13UARY COLLEGE or AGRICULTURE ADAN E. TREGANZA...The Honorable Earl Warren Governor of the State of California Dear Sir: I have the lioiior to transmit...Gohlen (Jale I'ark anpark are the Presidio and (Jolden Gate Bridee. Black...iieninsula which points at Angel Island. Tiny white Alcatrpi Island is between Angel Island and San Francisco |  | Bero, David A., Anfinson, Owen A., Raymond, Loren A. (2021) New insights on Franciscan Complex geology, architecture, depositional age, and provenance for the western Mt. Tamalpais area, Marin County, California. International Geology Review, 63 (13) 1563-1595 doi:10.1080/00206814.2020.1785338 | Journal (article/letter/editorial) | | provenance for the western Mt. Tamalpais area, Marin County, California David A. Bero , Owen A. Anfinson & Loren...provenance for the western Mt. Tamalpais area, Marin County, California, International Geology Review, DOI: 10...provenance for the western Mt. Tamalpais area, Marin County, California David A. Beroa,b, Owen A. Anfinsona and...Department, Sonoma State University, 1801 East Cotati Ave, Rohnert Park, CA, USA; bCoast Range Geological...Geological Mapping Institute, Santa Rosa, CA, USA ABSTRACT ARTICLE HISTORY New geologic mapping of the Franciscan |  | | Journal (article/letter/editorial) | | Geological Survey, 345 Middlejield Road, Menlo Park, California 9402) Distribution and Age of High-Grade...Associated Eclogites, and Amphibolites from Oregon and California ABSTRACT Isolated blocks of high-grade blueschist...of the Coast Ranges of southwestern Oregon and California. The blocks range in size from individual rock...predominantly basaltic in composition and include glaucophane schists, eclogites, and gneissic rocks of the...approximately 150 m.y. ago, but the ages measured on glaucophane from the blueschist blocks are commonly younger |  | | Journal (article/letter/editorial) | | 0EX, UK c 1329 Sheridan Lane, Hayward, CA 94544, USA Received 11 November 2003; received in revised form...analyses of garnet from metabasic amphibolite, glaucophane schist and eclogite facies blocks from the Franciscan...The sequence of ages from central and northern California shows a younging trend with decreasing metamorphic...Catalina Island confirms significantly younger initiation of the subduction zone in Southern California. D...boundaries. The mid-Mesozoic Coast Range Ophiolite of California formed immediately before the initiation of the |  | Page, F. Zeb, Armstrong, Lora S., Essene, Eric J., Mukasa, Samuel B. (2007) Prograde and retrograde history of the Junction School eclogite, California, and an evaluation of garnet–phengite–clinopyroxene thermobarometry. Contributions to Mineralogy and Petrology, 153 (5) 533-555 doi:10.1007/s00410-006-0161-9 | Journal (article/letter/editorial) | | retrograde history of the Junction School eclogite, California, and an evaluation of garnet–phengite–clinopyroxene...C.C. Little Building, Ann Arbor, MI 48109-1005, USA F. Z. Page (&) Department of Geology and Geophysics...Wisconsin—Madison, 1215 W. Dayton St., Madison, WI 53706, USA e-mail: zeb@geology.wisc.edu Present Address: L....The Franciscan complex of central and northern California has long been recognized to be a fossil subduction...referred to as ‘‘glaucophane schists’’ from the first description of glaucophane in California (Becker 1888) |  | | Report (issue) | | MINERALS OF CALIFORNIA BULLETIN No STATE ; . .. : DlViSIi BUILDIN 113 COLLEGE OF AGRICULTURE...AGRICULTURE DAVIS, CALIFORNIA STATE OF CAUFORNIA DEPABTMENT OF NATURAL RESOURCES GEORGE D. NORDENHOLT, Director...Director DIVISION OF MINES WALTER W. BRADLEY State Mineralogist OIAF GEOLOGIC BFL^NCH Ferry Building...MINERALS OF CALIFORNIA By ADOLF PABST Associate Professor of Mineralogy University of California BERKELEY...BERKELEY CALIFORNIA STATE PRINTING OFFICE GEORGE H. MOORE. State Printer SACRAMENTO. 51440 1938 TABLE |  | | Report (issue) | | MINERALS OF CALIFORNIA THE GOLDEN BEAR The Golden Bear Nugget of Yankee is NUGGET said to have...found in the mining the nugget Jim, Placer County, California, in 1871 by a small girl in who town kept...are nuggets. The nugget was acquired by the California Federation of Minerologicol Societies insignia...in in the Cali- San Francisco MINERALS OF CALIFORNIA CENTENNIAL VOLUME by JOSEPH (1866-1966) MURDOCH...Ian Campbell and Eleanor M. Learned BULLETIN California Division of Ferry Building, San 189 Mines |
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