 | | Journal (article/letter/editorial) | | Conditions of contact metamorphism, Papoose Flat Pluton, eastern California, USA: implications for -cooling and...University of New Mexico, Albuquerque, N M 87731, USA (ernail: mwn yman@h ydra .unm.edu) 'Department of...Sciences, Virginia Tech, Blacksburg, VA 2406 1 , USA ABSTRACT Petrological study of highly strained...aureole surrounding the western part of the Papoose Hat pluton yields thermal profiles (plots of metamorphic...show temperature gradients which are relatively flat and narrow ( |  | | Journal (article/letter/editorial) | | megacrysts in deformed granite of the Papoose Flat Pluton, California, USA R. H. Vernon 1, 2, and S. R. Paterson...Sciences, University of Southern California, Los Angeles, CA 90089-0740, USA E-mail: rhvernon@laurel.ocs.mq...K-feldspar megacrysts in deformed granites of the Papoose Flat pluton are residual phenocrysts, not porphyroblasts... simple twinning, zonally arranged euhedral plagioclase inclusions, oscillatory compositional zoning...Augen gneiss - Granite - K-feldspar - Mylonite - Papoose Flat Introduction This paper is concerned with the |  | | Report (volume) | | "Inyo County, California "* By DONALD C. ROSS CONTRIBUTIONS TO GENERAL GEOLOGY GEOLOGICAL SURVEY ...BULLETIN 1181-0 Prepared in cooperation with the California Department of Conservation, Division of Mines...Formation ____________________________________ Badger Flat Limestone___--___--_---____-_____________Barrel..._-_Pat Keyes pluton of the Hunter Mountain Quartz Monzonite------Paiute Monument pluton...______--__...--_Santa Rita Flat pluton of the Tinemaha Granodiorite..-_---_-.-.-Papoose Flat pluton--__-____-_._- |  | | Journal (article/letter/editorial) | | of ma®c dikes from the central White-Inyo Range, eastern California Received: 13 March 1996 / Accepted:...of SE California, transect uppermost Proterozoic±Cambrian metasedimentary strata in the White-Inyo Range...actinolite, and by albitization of the igneous plagioclase. Based on analytical and mineralogic data obtained...Sciences, Stanford University, Stanford, CA 94305-2115, USA Editorial responsibility: K. Hodges schist facies...recrystallization are present in the central White-Inyo Range, making correlation with the Independence dike |  | | Journal (article/letter/editorial) | | words: Enclaves – Flow – Foliation – Magmatic – Pluton – Solid-State Deformation – Introduction Microstructural...Heads-Bingie pluton Vrådal pluton, S. Norway Ardara pluton San Jose pluton Papoose Flat pluton The problem...aligned in a magmatic flow foliation, Tuross-Bingie pluton, Moruya Batholith (Devonian age), Tarandore Point...Extremely elongated microgranitoid enclaves, same pluton as in Fig. 2. Pocket knife ( 9 cm long) for scale...area as shown in Fig. 3. The alignment of the plagioclase and hornblende has been achieved without producing |  | | Journal (article/letter/editorial) | | Netherlands GENESIS AND EVOLUTION OF WATER IN A TWO-MICA PLUTON: A HYDROGEN ISOTOPE STUDY ROBERT H. BRIGHAM and...1985. Genesis and evolution of water in a two-mica pluton: A hydrogen isotope study. In: Y. Kitano (Guest-Editor)...quartz and whole rocks from the Papoose Flat pluton, eastern California, U.S.A., and adjacent metamorphic...large portion of the pluton. The 8 D-values of biotites vary widely over the range - 1 0 3 to - 6 6 %0...Suzuoki--Epstein equation. Biotites in the western half of the pluton have relatively low 8 D-values of around -850/oo |  | | Report (issue) | | of Three Large Granitic Bodies In the Inyo Mountains California GEOLOGICAL SURVEY PROFESSIONAL Prepared...Prepared in cooperation with the California Department of Conservation Division of Mines and Geology PAPER...OF THREE LARGE GRANITIC BODIES IN THE INYO MOUNTAINS, CALIFORNIA Precipitous outcrops of the varicolored...contaminated fades of the Pat Keyes pluton along the east front of the Inyo Mountains. Light-colored rocks...of Three Large Granitic Bodies In the Inyo Mountains California By DONALD C. ROSS GEOLOGICAL SURVEY |  | | Journal (article/letter/editorial) | | Sciences, University of Southern California, Los Angeles, CA 0089-0740, USA Received 12 October 2007; accepted...simple twinning, oscillatory zoning, euhedral plagioclase inclusions, and concentric, crystallographically...Granites; K-feldspar megacrysts; Grain shapes; Pluton; Mineral zoning 1. Introduction This paper concerns...intrusive complex, Sierra Nevada batholith, California, USA, were formed very late by “textural coarsening”—later...magmatic flow foliation in the northern Cathedral Peak pluton, Tuolumne intrusive complex, Thompson Canyon, south |  | | Journal (article/letter/editorial) | | Complex, 40 39 Mount Barcroft Area, Eastern California: Ar/ Ar Geochronologic Study of Hornblende and...Complex, 40 39 Mount Barcroft Area, Eastern California: Ar/ Ar Geochronologic Study of Hornblende and...Magmatic Arc Complex, Mount Barcroft Area, Eastern California: 40Ar/39Ar Geochronologic Study of Hornblende...Environmental Sciences, Stanford University, Stanford, California 94305-2115 Abstract The central and southern...metamorphic wall rocks (8 rock samples from the Barcroft pluton, a single McAfee Creek-type aplite, 7 mafic dikes/metadikes |  | | 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 |  | | Journal (article/letter/editorial) | | in the Darwin polymetallic skarn district, California, USA R. Newberry Department of Geology, University...University &Alaska, Fairbanks, AK 99775, USA Abstract. The polymetallic Pb-Zn-Ag-W-Cu-Au skarn and vein ores...ores of the Darwin area, California, represent a metal association not common in skarn deposits. Detailed...systematic pattern. The Darwin district in California, USA, is one such district, as it contains Cu-rich...upper Paleozoic and lower Mesozoic strata above the pluton (Eastman 1980) suggest a moderate level of emplacement |  | | Journal (article/letter/editorial) | | report a range from 9.4 to 10.3 for igneoi quartz, whereas Garlick & Epstein (1967) found a range from 8...are essentially mixtures of granite and quartz-plagioclase-biotite gneiss. H~irme (1959, 1965) looks upon...orbicules is rather coarse grained and consists of plagioclase, microcline, quartz and biotite in varying proportions...in some cases of microcline and in others of plagioclase (An 35). Two cross-sections from a single hand...from the south end of the San Jose pluton in Northern Baja California, Mexico, collected by L.T. Silver |  | | Journal (article/letter/editorial) | | 1093/petrology/egr037 Open-system Behavior during Pluton^Wall-rock Interaction as Constrained from a Study...of Endoskarns in the Sierra Nevada Batholith, California 1 DEPARTMENT OF EARTH SCIENCE, MS-126, RICE...77005, USA 2 DEPARTMENT OF GEOLOGY AND GEOPHYSICS, MS 3115, COLLEGE STATION, TX 77843, USA RECEIVED...12, 2011 Crustal xenoliths (pyroxenites and plagioclase þ quartz þ pyroxene lithologies) from the Quaternary...eastern flank of the Sierra Nevada Batholith in California (USA) represent the products of metasomatic reaction |  | | 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...showing distribution of rock units in the Academy pluton (modified from Mack and others, 1979). Map units:...undifferentiated metamorphic rocks. The Academy pluton is shaded gray. Figure 5. Map showing the outline |  | | Journal (article/letter/editorial) | | :~Division of Geological and Planetam' Sciences, California Institute of Technology, Pasadena, CA 91125 (~...Division of Geological and Planetary Sciences, California Institute of Technology, Pasadena, CA 91125,...*~Present address." Geology Department, University of California, Davis, CA 95616, U.S.A. 0009-2541/89/$03.50...180/1~O systematics of gabbros (plagioclase-clinopyroxene and plagioclase-amphibole pairs), granitic plutons...quartz-feldspar pairs in granitic rocks, of plagioclase-pyroxene pairs in gabbroic rocks, and of quartz-magnetite |  | | Book | | K-feldspathization occurring at grain boundary of plagioclase with K-feldspar and of two K-feldspars, the muscovitization...pattern includes mainly the deanorthitization of plagioclase, co-oriented albitization of K-feldspar, co-oriented...forming the replacive plagioclase leaning against a feldspar crystal either plagioclase or K-feldspar. As...the SiO2 content needed to compose replacive plagioclase is less than that contained in the replaced K-feldspar...metasomatic texture in granites. For instance, some plagioclase inclusions in K-feldspar phenocryst have got |  | | 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...______________________________ -____ Cathedral Range intrusive epoch of·Late Cretaceous age _______ :...age--------------------------------------------------------Inyo Mountains intrusive epoch of Early and Middle Jurassic...showing distribution of Mesozoic granitic rocks in California and western Nevada _____ ------------- In pocket |  | | Journal (article/letter/editorial) | | Godani Valley pluton, Nigeria DAVID VANIMAN1 Board of Earth Sciences, University of California, Santa Cruz...Cruz, California 95o64 SUMMARY. Sector-zoning is brought out by mineral inclusions (plagioclase, biotite...5 cm microcline megacrysts of the Godani Valley pluton, Nigeria. The inclusions are concentrated in the...microcline megacrysts of both pluton and wall rock at Papoose Flat, California, suggesting that this feature...inclusions within microcline megacrysts from a pluton in the valley around Godani Station, 5o km SW of |  | | Journal (article/letter/editorial) | | Sciences, University of Southern California, Los Angeles, CA 90089-0740, USA a r t i c l e i n f o Article...megacrysts Grain shapes Microstructure Mineral zoning Pluton a b s t r a c t The hypothesis that granites (sensu...(especially in plagioclase), elongate, euhedral to subhedral feldspar grains, and euhedral plagioclase inclusions...inferred that granites consisting of K-feldspar and plagioclase in separate grains were formed by unmixing and...slow incremental growth can maintain much of a pluton at temperatures corresponding to the amphibolite |  | | Journal (article/letter/editorial) | | Cosca & M. Okrusch Local disequilibrium of plagioclase in hightemperature shear zones of the lvrea Zone...Conditions of contact metamorphism, Papoose Flat Pluton, eastern California, U S A implications for cooling |  | | Journal (article/letter/editorial) | | Cosca & M. Okrusch Local disequilibrium of plagioclase in hightemperature shear zones of the lvrea Zone...Conditions of contact metamorphism, Papoose Flat Pluton, eastern California, U S A implications for cooling |  | Zhu, Xi-Yan, Chen, Fukun, Liu, Bing-Xiang, Siebel, Wolfgang (2013) Zircon U–Pb and K-feldspar megacryst Rb–Sr isotopic ages and Sr–Hf isotopic composition of the Mesozoic Heyu pluton, eastern Qingling orogen, China. Lithos, 156. 31-40 doi:10.1016/j.lithos.2012.10.007 | Journal (article/letter/editorial) | | Sr–Hf isotopic composition of the Mesozoic Heyu pluton, eastern Qingling orogen, China Xi-Yan Zhu a, b...composition for zircons from the composite Heyu pluton exposed in eastern Qinling orogen, central China...2005; Wang et al., 2007). The late Mesozoic Heyu pluton is located in the western Henan Province and was...Lithos 156–159 (2013) 31–40 intrusive units of the pluton. It will be shown that the occurrence of the K-feldspar...east–west-trending intrusion style (Fig. 1b). The Heyu pluton is the largest late Mesozoic intrusion in the eastern |  | | Journal (article/letter/editorial) | | Gabbro-Diorite Plutons in the Smartville Complex, Northern California by JAMES S. B E A R D 1 AND H O W A R D W. D...TX 77058 Department of Geology, University of California, Davis, CA 95616 (Received 28 September 1987;...located in the northern Sierra Nevada of California. The plutons range from unzoned, equant bodies of olivine...continuum and approximate liquid compositions. Plagioclase and olivine compositions in the Smartville Complex...northern Sierra Nevada and Klamath Mountains of California represent the magmatic products of one or more |  | | Journal (article/letter/editorial) | | of 0-3 mole fraction, Burnham calculates the plagioclase composition, melt composition, temperature, and...the proportions vary. Calculated and observed plagioclase compositions are in good agreement, leading Burnham...geologists. Law et al. have investigated the Papoose Flat pluton (USA), traditionally accepted as having grown...pluton's roof rocks were being thrust over the pluton at, or around, the time of magma intrusion. Hutton...Cretaceous to Neogene, in a part of the northwestern USA, have different geochemical signatures caused by |  | | Journal (article/letter/editorial) | | calculate the phase relations at the quartz- plus plagioclase-saturated liquidus in samples from selected LFB...of 0-3 mole fraction, Burnham calculates the plagioclase composition, melt composition, temperature, and...the proportions vary. Calculated and observed plagioclase compositions are in good agreement, leading Burnham...geologists. Law et al. have investigated the Papoose Flat pluton (USA), traditionally accepted as having grown...pluton's roof rocks were being thrust over the pluton at, or around, the time of magma intrusion. Hutton |
|
