 | | 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...Augen gneiss - Granite - K-feldspar - Mylonite - Papoose Flat Introduction This paper is concerned with the...of the quartz monzonite Papoose Flat pluton, Inyo Mountains, California, USA, together with general implications |  | | 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) | | 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...microgranitoid enclaves, Dinkey Creek pluton, Sierra Nevada batholith, California, USA. Othmar T. Tobisch and Brendan |  | | Journal (article/letter/editorial) | | Sciences, University of Southern California, Los Angeles, CA 0089-0740, USA Received 12 October 2007; accepted...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...south of Peeler Lake, Sierra Nevada, California, USA. Scale 15 cm long. They added that “Higgins (1999) |  | | Journal (issue) | | .................... 3 Fun with Minerals at Papoose Flat ..............................................GAZETTE I JUNE 2013 Fun with Minerals at Papoose Flat by Frank Dickson Member of the Houston Gem &...member of Geology Departments (University of California, Riverside, Stanford, and at University of Nevada...most unusual granite he mapped, the Papoose Flat pluton, (PFP), Inyo Mountains. (Fig. 1) Minerals document...thin sections and polished stained surfaces. Orthoclase crystals grow in diverse environments and vary |  | | 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) | | 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...eastern flank of the Sierra Nevada Batholith in California (USA) represent the products of metasomatic reaction...between the margins of a Cretaceous granodioritic pluton and Paleozoic marbles, possibly at mid-crustal |  | | 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...Kapyla . . . . . . . . . . . . . . . . . . A 64g (Orthoclase Zone) A 57d (Staur. Ky-Zone) .. .. A Q-F A...from the south end of the San Jose pluton in Northern Baja California, Mexico, collected by L.T. Silver...the quartz diorite from near the center of the pluton by Taylor & Epstein (1962) gave the following results...originates from a marine limestone assimilated by the pluton. This limestone, some" 80 km away, has a normal |  | | 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) | | 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 |  | | 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 |  | | Book | | exsolve albite lamella and may be transformed from orthoclase into microcline. These changes are of subsolidus...Lorence Collins, Department of Geological Sciences, California State University-Northridge, has been studying...perthitic Ab in clear rim Ab1′. Naqin granite, Taishan County, Guangdong Province The intergranular albite grains...are noticed in Ab′. Naqin leucogranite, Taishan County, Guangdong Province they have the same orientation...have comparable width. Naqin leucogranite, Taishan County, Guangdong Province Fig. 1.12 A(+); B(+)Q. Swapped |  | | 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 (issue) | | the 46th Annual Rainbow of Gems Show in Nipomo, California. It was put on by the Orcutt Gem & Mineral Society...through 4, 2013. OGMS is a member of the CFMS (California Federation Mineralogical Society). I became friends...this year they had 60 dealers from all parts of California and neighboring states. The variety of minerals...bring many different kinds of material found in California and in other states: different types of jaspers...Wyrick. The beast was found on his ranch in Fallon County, Montana. A team including the folks from Black |  | | Book | | 7 257989 R q549 PEMBERTON, H.E MINERALS OF CALIFORNIA P 2995 IpSl q 49 f 07. 257889 ^ pe B T...org/details/mineralsofcalifoOOpemb MINERALS OF CALIFORNIA MINERALS OF CALIFORNIA H. Earl r i L ] Pemberton ...H. Earl, 1907Minerals of California. An updating of: Minerals of California: 1866-1966 / by Joseph Murdoch...Includes index. 1. Mineralogy -California. 2. Mines and mineral resources- California. I. Murdoch, Joseph, 1890Minerals...1890Minerals of California. II. Title. centennial volume, QE375.C32P45 ISBN 0-442-27488 2 549.9794 |  | | Journal (article/letter/editorial) | | metamorphism associated with the emplacement of the pluton at about 1825 Ma, and early in D2, prior to the...Mine. Greywackes occur as massive blocky beds that range in thickness from 20 cm to 1.5 m. Although largely...mine occur as fine to massive blocky beds that range in thickness from a few millimetres to more than...stylolitic to anastomosing cleavage transects this pluton (Fig. 6C). The leucogranite consists of quartz...mm), muscovite (1 –5 mm), sericitised laths of orthoclase –microcline (to 2 mm), and andesine – oligoclase |  | | Journal (article/letter/editorial) | | ranging f r o m replacive migmatite to intrusive pluton. F u r t h e r m o r e each of these 52 W.S...sedimentary lithologies. However there is often a range of composition, as in the European Hercynian (DIDIER&...relationships remain basically similar over a wide range of natural granite compositions, even though the...partially independent components. The quartz, orthoclase and the sodic plagioclase melt to produce a eutectic-like...granitic partial melts can be generated from a wide range of metasediments, the melt composition depending | | | Book | | MINERALS OF CALIFORNlA 299" 257889 PEMBERTON' HOFE CALIFORNIA MINERALS 2995 SEP 1933 OINCO Digitized by...org/details/mineralsofcalifo00pemb MINERALS OF CALIFORNIA - MINERALS OF CALIFORNIA H. Earl Pemberton ~ VAN NOSTRAND...H. Earl, 1907Minerals of California. An updating of: Minerals of California: centennial volume, 1866-1966...index. 1. Mineralogy - California. 2. Mines and mineral resources - California. I. MUidoch, J oseph, 1890Minerals...1890Minerals of California. 11. Title. QE375.C32P45 549.9794 81-15963 ISBN 0-442-274882 AACR2 Preface |  | Pinarelli, L., Bergomi, M. A., Boriani, A., Giobbi, E. (2008) Pre-metamorphic melt infiltration in metasediments: geochemical, isotopic (Sr, Nd, and Pb), and field evidence from Serie dei Laghi (Southern Alps, Italy) Mineralogy and Petrology, 93 (3) 213-242 doi:10.1007/s00710-007-0222-4 | Journal (article/letter/editorial) | | K-feldspar megacrysts in deformed granites of the Papoose Flat pluton as residual phenocrysts, not porphyroblasts...amphibolites in the SCBZ gave temperatures in the range of 590–690 C and pressures of 6 to 8 kbar for...(Fig. 3a). Their REE patterns (Fig. 4a) are rather flat, with slight enrichments in LREE (LaN ¼ 18–50),...the Gneiss Minuti, despite a restricted silica range (67–71 wt%). The composition of the Ceneri augengneiss...Ceneri augengneiss samples and give ages that range from 0.43 to 1.0 Ga. Only two analyses (EL13-1.1 |  | | Report (chapter) | | structures suggest that the BMb is a multi-pulse pluton. We have constrained the duration of BMb emplacement...simulating the thermal evolution of the growing pluton and its wallrocks for different construction scenarios...vertical displacement rates of the wallrocks above the pluton of 4 metres per year. Moreover, our simulations...degree of in situ expansion must accompany dyke-fed pluton growth. This question of growth rate and the subsequent...emplacement of magmatic bodies, and show that if the pluton is fed by small temporally spaced dyke-fed injections |  | Tsunogae, Toshiaki, Osanai, Yasuhito, Owada, Masaaki, Toyoshima, Tsuyoshi, Hokada, Tomokazu, Crowe, Warwick A (2003) High fluorine pargasites in ultrahigh temperature granulites from Tonagh Island in the Archean Napier Complex, East Antarctica. Lithos, 70 (1) 21-38 doi:10.1016/s0024-4937(03)00087-2 | Journal (article/letter/editorial) | | 4 samples are almost identical, falling in the range of 3.2– 3.7 at 950 jC, with the exception of two...Tsunogae et al. / Lithos 70 (2003) 21–38 K2O –F range of Aoki et al. (1981). Notably, the present data...pargasite in the presence of excess quartz in the range of 0.5 –6 kbar and 500– 950 jC in the system Na2O...Island. Shaded area indicates the compositional range of basaltic rocks from continental and oceanic regions...clinopyroxene (diopside), plagioclase, and H2O in the range of 0.4– 6 kbar and 750 – 1000 jC in the same system |  | BAXTER, S., GRAHAM, N. T., FEELY, M., REAVY, R. J., DEWEY, J. F. (2005) A microstructural and fabric study of the Galway Granite, Connemara, western Ireland. Geological Magazine, 142 (1) 81-95 doi:10.1017/s0016756804000378 | Journal (article/letter/editorial) | | Ireland ¶Department of Geology, UC Davis, Davis, USA, and University College, Oxford, UK (Received 22...contact, sporadic weak alignments of perthitic orthoclase megacrysts are present. Biotite, titanite and...contact (at ∼ 750 m), the long axes of perthitic orthoclase crystals are aligned (Fig. 3c) and quartz aggregates...show the following microstructural changes: (a) orthoclase has inverted to microcline (Fig. 4d); (b) myrmekite...contain ductile bends and recrystallized margins. Orthoclase is variably inverted to microcline and has abundant |  | | Journal (article/letter/editorial) | | general, they are 20–30 cm in diameter, but can range from 5 cm to 1 m. The granitoids produced contact...sillimanite, apatite and ore minerals. Microperthitic orthoclase and microcline phenocrysts are hypidiomorphic... plagioclase, chlorite, epidote and calcite. Orthoclase crystals are twinned according to the Carlsbad...representative samples of the studied granitoids, range from +8.60x to +10.10 x (Table 4). The samples with...amphibole are given in Table 6 and display a wide range of Si pfu, from 7.01 to 7.79 (Fig. 8). Single homogeneous |  | Landi, Patrizia, La Felice, Sonia, Petrelli, Maurizio, Vezzoli, Luigina M., Principe, Claudia (2019) Deciphering textural and chemical zoning of K-feldspar megacrysts from Mt. Amiata Volcano (Southern Tuscany, Italy): Insights into the petrogenesis and abnormal crystal growth. Lithos, 324. 569-583 doi:10.1016/j.lithos.2018.11.032 | Journal (article/letter/editorial) | | Sisson (2008), repeated reheating of the granitic pluton in the Sierra Nevada Batholith, due to surges of...and, as a whole, depict a line of descent in the range Rb/Sr ratio 0.15 - 0.60 and Ba 8800-3800 ppm. This...K-feldspar megacrysts are widely variable, in the range Ba 110-1100 ppm, Sr 130470 ppm and Rb 340-570 ppm...𝐾𝑑𝐾𝑓𝑒𝑙 ⁄𝑙 given in literature cover a broad range of values from 1 to 20-25, depending on the chemical...Magmatic Provinces (e.g. the monzogranitic Mt. Capanne Pluton, Elba island; ACCEPTED MANUSCRIPT Gagnevin et |  | | Journal (article/letter/editorial) | | SC RI PT 1 Abstract NU The Mueilha granite pluton is one of the rare-metals bearing peraluminous...subsequent to the post Pan-African orogeny. The pluton can be seen as a highly leucocratic medium-grained...variation trends throughout the Mueilha granites pluton, suggesting their immobility during hydrothermal...granite pluton. 3 ACCEPTED MANUSCRIPT 2. Geological Setting The Mueilha granite pluton forms a prominent...suggesting that the observed exposure of Mueilha RI pluton represents the apex of a granitic magma chamber |
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