 | | Journal (article/letter/editorial) | | 45, 1982, PP. 87 99 The Laytonville Quarry (Mendocino County California) exotic block: iron-rich blueschist-facies...Sciences, University of Cambridge ABSTRACT. The Laytonville Quarry exotic block con- panying quartzites have...into underlying metadevelopment of the tremolite-talc exotic block rind basites across a contact only...analysis recalculation, see the Appendix. THE Laytonville Quarry exotic block is the type locality for the...1965). Situated 8 km south of Laytonville (Mendocino County, California), the exotic block, originally |  | | Journal (article/letter/editorial) | | at only one locality: the Laytonville Quarry, Mendocino County, California. There are, however, present...similarities are demonstrated within two rocks from the quarry in which a manganese concentration gradient has...some of the zussmanite polytypes, and as in the talc structure). It is therefore considered possible...leached of potassium. As minnesotaite is more of a range of compositions than a structure (there is mounting...simple talcanalogue) a consideration of the Laytonville manganoan minnesotaite as a zussmanite mineral |  | | Journal (article/letter/editorial) | | Mélanges of the Franciscan Complex, Diablo Range and Northern California: An Analysis and Review Loren A. Raymond...Cotati Ave, Rohnert Park, CA 94928, USA; raymondla@bellsouth.net Coast Range Geological Mapping Institute,... 3327 Cypress Way, Santa Rosa, CA 95405, USA Received: 5 July 2019; Accepted: 22 July 2019; Published:... Abstract: The Franciscan Complex of California is characterized in part by the presence of mélanges...Complex 1. Introduction The Franciscan Complex of California and southwestern Oregon (Figure 1) is widely |  | | Journal (issue) | | Three Interesting Silicates from the Laytonville Quarry, California Robert J. Lauf Oak Ridge, Tennessee...minerals were discovered at the Laytonville quarry, Mendocino Co., California, Agrell and coworkers took the... Geology of the Laytonville Quarry The Laytonville quarry, Mendocino Co., California, contains metamorphosed...aragonite (Agrell, Bown, and McKie 1964). The Laytonville quarry exotic block represents a series of deep-ocean...contemporaneous with the development ofthe tremolite-talc exotic block rind assemblage, there is a minor development |  | | Journal (article/letter/editorial) | | replaced by the alternative higher density aegirine-talc assemblage; and (iv) glaucophane is stable only...this paper were collected from localities in California, Oregon, Washington State, the Alps, and Greece...authors' works: Laytonvitle Quarry exotic block, Mendocino Co., California--Chesterman (i966); Ward Creek...Creek, Cazadero, Sonoma Co., California--Coleman and Lee 0963); Panoche Pass, San Benito Co., Calif o...Creek (South Fork), Santa Clara Co., California and Powers Quarry, Coos Co., Oregon--Muir Wood (I977); |  | | Journal (article/letter/editorial) | | University of New Mexico, Albuquerque, NM 87131, USA Abstract. The phase relations of A1- and Fe-bearing...meta-ironstone from the Franciscan Formation, California. These relations allow an estimation of the physiochemical...of the Franciscan Formation in the Laytonville Quarry, California (e.g., Muir Wood 1982). These rocks...minnesotaite are index minerals in the lowest metamorphic range of iron-formations, but they react with the assemblage...1983a; Haase 1982a). Grunerite has a wide stability range up to that of the granulite facies (e.g. Klein 1978; |  | | Journal (article/letter/editorial) | | epidote, hornblende, diopsite, 427 Cheesewring quarry, Linkinhorne, danburite, 171; durangite, I72 Chycornish...Crowns Rock, St. Just, Land's End, garnet, 427 Dean quarry, The Lizard, djurle'ite, I72; analcime, adularia...penwithite (= neotocite), 279 and M26 Devon Meldon quarry, Okehampton, greenovite, 172; priceite, 175 Ramsley...Cannington Park quarry, djurlei'te, I72 Combe Farm quarry, Henbury, wulfenite, 298 Merehead quarry, Shepton... serpentine, orthopyroxene, augite, hornblende, talc, saussurite, 69 Portnoo, Donegal, zincian hercynite |  | | Journal (article/letter/editorial) | | complex: architecture of the Franciscan Complex, California, at multiple length and time scales John Wakabayashi...and Environmental Sciences, California State University, Fresno, CA, USA Published online: 03 Feb 2015...complex: architecture of the Franciscan Complex, California, at multiple length and time scales, International...complex: architecture of the Franciscan Complex, California, at multiple length and time scales John Wakabayashi*...and Environmental Sciences, California State University, Fresno, CA, USA Downloaded by [ECU Libraries] |  | | Journal (article/letter/editorial) | | variations in metabasalts of the Franciscan complex, California Received: 14 February 1994/Accepted 5 September...metabasaltic blocks from the Franciscan complex of California preserve extensive petrographic and chemical...isotope compositions of unaltered blocks are in the range expected for basalt derived from normal depleted...provided by analyses of actinolitic rinds, and range from B. K. Nelson Department of Geological Sciences...AJ-20, University or Washington, Seattle, WA 98195, USA Editorial responsibility: J. Hoers e.sa(160) = 1 |  | | Journal (article/letter/editorial) | | studies of the Franciscan formation, Coast Ranges, California* MORDECKAIMAGARITZand HUGH P. TAYLOR,JR. Division...Cahfornia Institute of Technology. Pasadena. California 91115. U S.A. (Recrrord 14 Aprd 1975; ucceptcd...rocks. The range of 6D values of Franciscantype rocks is identical to the -50 to -80 range shown by most...ophiolite sequence. Sur area Fig. 1. Map of California showing locations of sampled areas in the Franciscan...west-central California from latitude 35”N to 41”N (Fig. 1). The wide latitudinal range of samples is |  | | Journal (issue) | | mine pegmatites, Ramona district, San Diego County, California ............................101 by E. E.... B. Spaulding R. A. Mason & R. F. Martin , California locality index ...........................................129 by A. R. Kampf & the Southern California Chapter of the Friends of Mineralogy, Locality...e P e g m a t it e s , istrc San Diego D ,California Eugene E. Foord U. S. Geological Survey, M....Louis B. Spaulding, Jr. P. O. Box 807, Ramona, California 92065 Roger A. M ason Dept, of Earth Sciences |  | | Journal (article/letter/editorial) | | and so have a nmnber of hyphened names such as Talc-saponite and Montmorillonite-chlorite, used by clay...of Cuprobismutite (Hillebrand, 1884) from Park County, Colorado, and on specimens from Nordmark, Sweden...rocks at Sulphur Bank mercury mine, Lake County, California, as compact masses pseudomorphous after plagioclase...Cerargyrite (A. S. Eakle, Bull. Dept. Geol. Univ. California, 1912, vol. 7, p. 1). Cerphosphorhuttonite. A...serpentinite, Fresno and San Benito Counties, California. The composition is near Mgl~Fe~+CO3(OH)e4.2H20 |  | IBUKI, Masaru, FUJIMOTO, Yoshikazu, TAKAYA, Masaki, MIYAKE, Akira, HIRAJIMA, Takao (2008) Howieite in meta-manganese siliceous rocks of Kurosegawa belt, western Kyushu, Japan. Journal of Mineralogical and Petrological Sciences, 103 (5) 365-370 doi:10.2465/jmps.080618 | Journal (article/letter/editorial) | | cherts and meta ironstones in Yugoslavia and California, respectively. In Japan, taneyamalite (Tn), a... assuming all iron as FeO, shows a composition range of (K0.18–0.54Na0.06–0.15 Ba 0.06–0.12Ca 0.04–0...from the Franciscan of the Laytonville district, Mendocino County, California. American Mineralogist, 50...and Hirajima, T. (2007) Pseudosection analysis for talc-Na pyroxene-bearing piemontite-schist in the Sanbagawa |  | | Journal (article/letter/editorial) | | microscopy, 453; -and ZUSSMAN (J.), The unit cell of talc, IO7 Alabandine, I.R. spectrum, 277 and MI7 ALABASTER(C...gr., X-ray, I79 Bali Low copper mine, Capricorn Range, W. Australia, lavendulan, 369 BaUyclare, Co. Antrim... Deweylite, a mixture of hydrous serpentine and talc-like minerals, 75 Bismuthinite, I.R. spectrum, 277...geochemistry of loveringite, 187 Cannington Park quarry, Somerset, djurleite, 172; durangite, 172; milarite... see EGGLETON (R. A.), 361 and M37 Cheesewring quarry, Linkinhorne, Cornwall, danburite, I7I Chernovite |  | | Journal (article/letter/editorial) | | ferristilpnomelane. 5: Blueschist facies, Laytonville, California (Muir Wood, 1982); with rhodonite, grunerite...yet. The second problem is that the compositional range observed is also controlled by the thermodynamic...experiments, calderite only appears in a narrow f O2 range around the hematite=magnetite buffer (Lattard and...occurrence in nature of calderitic garnets over a range of P–T conditions, from the blueschist to the granulite...(with paragonite and glaucophane stable) and of the talc–chloritoid–garnet ( phengite) assemblage in metapelite |  | | 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 |  | | Book | | Andalusite Kyanite Sapphirine Eudialyte 19 Talc 20 Chlorite Perthite 24 25 Allanite (Orthite)...1652xl0" 7 cm - - 0.055 Muscovite Pyrophyllite Talc Tourmaline Zussmanite Olivine Olivine Mg 2...Specimen from marble. cation x 20. New Jersey, USA, magnifi- Chondrocyte Chondrodite Mg(OH, F)...clinohumite but, since its birefringence is in the same range as that of chondrodite, they can only be distinguished...n A considerable range of compositions is possible in garnets and hence the range of refractive indices | | | 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) | | A Talc-Phengite Assemblage in Piemontite Schist from Brezovica, Serbia, Yugoslavia by K. ABRAHAM and...water pressures which permit the coexistence of talc and phengite even in the pure synthetic system according...RMIT University Library on July 26, 2015 ABSTRACT Talc occurs in direct contact with phengite in a manganiferous...braunite, and occasional phlogopite. The resulting talc-phengite tie line in the AKF plot is a novelty for...MnO, and minor Fe2O3) CoO, NiO in the chlorite, talc, and phlogopite, as well as Fe2O3 in the phengite |  | | Journal (article/letter/editorial) | | different eclogites in the Franciscan Complex, California, U.S.A. Chang-Whan Oh and J.G. Liou Department...different eclogites in the Franciscan Complex, California, U.S.A. In: M. Okrusch (Editor), Third International...Conference. Lithos, 25: 41-53. The eclogites in California, U.S.A., have been regarded as tectonic blocks...of 90-130 Ma. However, in Ward Creek, northern California, two different types of eclogites were identified:...metamorphic rinds, which consist of actinolite ± talc ± chlorite and formed during metasomatic interaction |  | Chopin, Christian, Klaska, Rolf, Medenbach, Olaf, Dron, Dominique (1986) Ellenbergerite, a new high-pressure Mg-Al-(Ti,Zr)-silicate with a novel structure based on face-sharing octahedra. Contributions to Mineralogy and Petrology, 92 (3) 316-321 doi:10.1007/bf00572160 | Journal (article/letter/editorial) | | as purple millimetre-size grains associated with talc, kyanite, clinochlore, rutile, and zircon in composite...which it apparently stably coexists with kyanite, talc, clinochlore, rutile, zircon, a sodic amphibole...crystals in the centre of the picture, surrounded by talc, chlorite and kyanite. Photomicrograph, crossed...conditions estimated from the matrix assemblage phengite-talc-kyanite-pyrope-quartz/ coesite are 25 to 30 kbar...kbar, 700 to 800~ (Chopin 1984), and the lower range of this estimate might pertain to the ellenbergerite-bearing |  | | Journal (article/letter/editorial) | | Institution of Oceanography, La Jolla, CA 92093, USA Received September 30, 1991; revision accepted January...occurs in the range of currently observed plate velocities (i.e., 3-12 cm/a). Above this range the rate of...rather than evaluating the effects of the entire range of potential boundary conditions. In particular.../ a , whereby present-day subduction velocities range to up to 12 c m / a (Solomon Arc [16,17]) and they...minimum latitudinal motion of 15 c m / a for the Laytonville limestone. The melting behavior of komatiites |  | | Journal (issue) | | CALIFORNIA GEOLOGY CGEOA 26(12) 285-316 (1973) Single copy 25¢ kes ak Cai roe GEOLOGY RAY B. HUNTER...Geology JAMES E. SLOSSON Acting State Geologist California Geology salt Editor - in- chief: Mary R. Hill...Fong, Ed California Geology, should be addressed to P.O. Box 2980, Sacramento, California 95812. SECOND...SECOND CLASS POSTAGE PAID AT SACRAMENTO, CALIFORNIA, RETURN POSTAGE GUARANTEED. Foster, Son Francisce...December BRUER ACTIVITY MAKING FUEL IN CALIFORNIA, JUNE FINAL GAS FROM Bruer joined the Department |  | | Journal (article/letter/editorial) | | DISTRICT' THE FRANCISCAN OF THE LAYTONVILLE CO., CALIFORNIA MENDOCINO S. O. Acnrlr,, FROM M. G. BorvN...ABSTRACTS SEVEN NEW BARIUM MINERALS FROM FRESNO COUNTY, CALIFORNIA EASTERN CaliJornia Dilision Joux T. Ar...minerals have been found in eastern Fresno County, California. The minerais occur in sanbornite-bearing...ORIGIN OF TINCAI,CONITE AT SEARLES LAKE, CALIFORNIA C. J. Bowsnn, Uni.ztersi,tyoJ Wiscons'in, Madtison...the saturated lake brine. Lake brine temperatures range from 20 to 25" C. The occurrence is unusual inasmuch |  | | Book (volume) | | 01225 442836) Distributors USA AAPG Bookstore PO Box 979 Tulsa OK 74101-0979 USA (Orders: Tel. (918) 584-2555...analyses representative, wherever possible, of the range of chemical and paragenetic variation. From most...Minerals, three new minerals from the Laytonville Quarry, California were named by S. O. Agrell after the...The M4 sites however can be octupied by a wider range of cations and their sizes determine the way in...anthophyllite and cummingtonite near Chester, Vermont, USA, and which have regularly repeating sequences of |
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