 | | 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...Franciscan terrane near Panoche Pass in the Diablo Range of the central California Coast Ranges were mapped...system Ab-An-H2O suggest that metamorphism at Panoche Pass involved temperatures of about 200-300°C, lithostatic...melaclastic rocks Serpentinite Panoche Formation Quien Sabe Volcanics San Benito Gravels 880 881 883 883 884 |  | | Journal (article/letter/editorial) | | 87 99 The Laytonville Quarry (Mendocino County California) exotic block: iron-rich blueschist-facies...this, and contemporaneous with the The ironstones pass sharply into underlying metadevelopment of the tremolite-talc...Situated 8 km south of Laytonville (Mendocino County, California), the exotic block, originally 40 m in diameter...Selected mets-lronstone mineral compositions, Panoehe Pass (PC) and Powers Quarr~ (PQ) Calderitic Vanadic-...have been atolled, and their cores replaced by stilpnomelane and quartz (sometimes with chlorite), as described |  | | Report (issue) | | X-ray Powder Pattern: Laytonville district, California, USA. (ICDD 19-421). 9.03 (100), 3.01 (70), 2.64...36] 100.00 4.19 (1) Laytonville district, California, USA. (2) Do.; by electron microprobe. (3) Ambin...temperature. Association: Howieite, zussmanite, stilpnomelane, spessartine, riebeckite, quartz, aegirine,...(Laytonville district, California, USA). Distribution: In the USA, in California, in the Laytonville quarry...Ward Creek, Cazadero, Sonoma Co.; and at Panoche Pass, San Benito Co.; in Oregon, at Wild Horse Lookout |  | | Journal (article/letter/editorial) | | Agrell at the Laytonville Quarry, Mendocino County, California, and named as such in Agrell et al. (1965)...Mendocino Co., California (Agrell et al., I965) 2. Ward Creek, Cazadero, Sonoma Co., California (Coleman and...i966; unpubl.) 3. Panoche Pass, San Benito Co., California (Muir Wood, 1977) 4-Pacheco Pass, Santa Clara and...and Merced Cos., California (Muir Wood, 1977) 5- Covelo, Mendocino Co., California (Muir Wood, I977)...River, boundary of Sonoma with Mendocino Cos., California (Chesterman, unpubl.) 7- Powers Quarry, Coos |  | | Report (issue) | | 589(4) X-ray Powder Pattern: Laytonville, California, USA. (ICDD 19-571). 9.18 (100), 7.91 (80), 3.25...(35) Chemistry: (1) Laytonville district, California, USA; analysis not given, stated 3+ to correspond...(Laytonville district, California, USA). Association: Deerite, zussmanite, stilpnomelane, spessartine, riebeckite...(Laytonville district, California, USA). Distribution: In the USA, in California, from the Laytonville...Ward Creek, Sonoma Co.; in Panoche Pass, San Benito Co.; at Pacheco Pass, Santa Clara and Merced Cos |  | | Journal (article/letter/editorial) | | Mendocino County, California: Agrell et al. (1965). z. Ward Creek, Cazadero, Sonoma Co., California: Coleman...(i963). 3. Panoche Pass, San Benito Co., California: Ernst (1965). 4. Pacheco Pass, California: Ernst et...Flats, Mendocino Co., California: Agrell (unpuhl.). 6. Covelo, Mendocino Co., California: Muir Wood (I977)... Santa Clara County, California: Muir Wood (I977). 8. Wild Horse Lookout, Curry County, Oregon: Coleman...Coleman (I972). 9- Powers Quarry, Coos County, Oregon: Coleman (pers. comm.). Io. Finney Creek, Shuksan Unit |  | | Journal (article/letter/editorial) | | Metagraywackes from the Diablo Range, Central California Coast Ranges by W. G. ERNST Department of Geology...Planetary Physics, University of California, Los Angeles, California 90024 ABSTRACT The complexly folded...the Central California Coast Ranges is located approximately 60-200 km south-east of San Francisco. This...Generalized areal geologic relations of western California are presented in Fig. 1. Some authors refer to...Working chiefly in the Yolla Bolly area of northern California, Blake (1965) and Blake et al. (1967, 1969) have |  | | Journal (article/letter/editorial) | | Tectonic Block in the Franciscan Terrain, Panoche Pass, California by O. DON HERMES Department of Geology...tectonic inclusions within the Franciscan melange of California display a relict epidoteamphibolitic assemblage...well established that the Franciscan melange of California as well as many other glaucophane schist terrains...High-tension line Magnetic declination 16-5* E (1957) Panoche Pass Area 0 500 1000 1500 feet Contour interval...showing the two tectonic blocks comprising the Panoche Pass amphibolite. Where exposed, the contact between |  | | Journal (article/letter/editorial) | | normal sodic amphiboleforming reactions from stilpnomelane and chlorite (in the presence of iron oxides...this paper were collected from localities in California, Oregon, Washington State, the Alps, and Greece...Mendocino Co., California--Chesterman (i966); Ward Creek, Cazadero, Sonoma Co., California--Coleman and...and Lee 0963); Panoche Pass, San Benito Co., Calif o r n i a - E r n s t (I965); Beauregard Creek (South...(South Fork), Santa Clara Co., California and Powers Quarry, Coos Co., Oregon--Muir Wood (I977); Shuksan, |  | | Report (chapter) | | Franciscan and Sanbagawa blueschist terranes of the California Coast Ranges and central Shikoku, respectively...this work: the Goat Mountain area at 1:10,000; the San LuisPacheco Páss area at about 1:18,300; and the... In situ metagraywackes of the extended Pacheco Pass area exhibit the following progressive metamorphic...METAMORPHISM IN CALIFORNIA AND JAPAN steeply dipping faults have been recognized in the San Luis FlatPacheco...FlatPacheco Pass area. The relationship between metamorphism and deformation is unclear; no evidence was found |  | | Journal (article/letter/editorial) | | Metamorphic Rocks of the Franciscan Complex, California: Revisiting the Timing of Metamorphism of the...a 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...Metamorphic Rocks of the Franciscan Complex, California: Revisiting the Timing of Metamorphism of the...Environmental Sciences, California State University, 2576 E. San Ramon Ave., Fresno, California 93740 AND TREVOR |  | | Journal (article/letter/editorial) | | Blueschist and Eclogite of the Franciscan Complex, California E.H. Brown and J.Y. Bradshaw* Department of Geology...Washington University, Bellingham, Washington 98225, USA Abstract. The phase relations of pyroxenes, amphiboles...mineral assemblages in the Franciscan Complex of California. Of special interest in this work are the metamorphic... Tiburon, Valley Ford, New Almaden, and Pacheco Pass areas (Fig. 1). It is also heavily dependent on...Amphibole, Franciscan Complex, California N EVADA LAYTO ECOP IOCHE PASS "~-"~ ~ ~ 0 % ~ 100 200 |  | | Journal (article/letter/editorial) | | the blueschists of the Franciscan Formation, California, USA. Although only recently identified as a new...Locality 1. Laytonville Quarry, Mendocino, County, California, USA Geological environment Parageneses Deerite...of Scoon's analysis of No. 93727 2. Panoche Pass, California, USA Metacherts in glaucophane schists of...of the Franciscan formation Deerite, stilpnomelane, riebeckite, quartz, aegirine, + garnet, aragonite...apatite (hematite) Ernst (1965) 3. San LuisPacheco Pass, California, USA as in 2. Deerite (rare accessory) |  | | Journal (article/letter/editorial) | | eclogite exotic blocks in the Franciscan Complex, California and Oregon D. E. MOORE AND M. C. BLAKE, J r ...Middlefield Road, M S / 9 r r Menlo Park, CA 94025, USA ABSTRACT The early metamorphic history of high-grade...metamorphism; exotic blocks; Franciscan Complex, California. INTRODUCTION Blocks of eclogite, high-grade...melange zones throughout the Franciscan Complex of California and correlative rocks of south-western Oregon...Recent cross-sections across northern and central California (Blake and others, 1988; Saleeby, 1987) show |  | | Journal (article/letter/editorial) | | the Black Butte ana nail Rock areas. northern California CoastRanges E. H. Bnowrl Department of GeologY...areasof the South Fork Mountain Schist, Northern California Coast Ranges,is the basis in this report for...causesof blueschist metamorphism in the Northern California Coast Ranges. Schistsof the Black Butte and Ball...part Schists in the Black Butte area, northern California Coast Ranges(Fig. l), contain minerals diagnostic...metamorphic belt extending some 2fi) km in northern California, bounded to the northeast by the blueschist facies |  | | Journal (article/letter/editorial) | | 377-387, 1975 SOME PETROLOGICAL ASPECTS ON STILPNOMELANE IN GLAUCOPHANITIC METAMORPHIC ROCKS MITSUO HASHIMOTO...Under the glaucophaniticmetamorphicconditions,stilpnomelane appearsin schists whose grade rangesfromthe...of chemicaland mineralogical compositions of stilpnomelane-bearing schistsis due to small-scaleheterogeneityof...suitablebulk chemicalcomposition. INTRODUCTION Stilpnomelane is a common mineral in crystalline schists of...have discussed the mineral associations of stilpnomelane-bearing schists. This paper deals briefly with |  | | Journal (article/letter/editorial) | | ‘schistes lustres’ (Fig. l), about 2 km west of San Andrea di Cotone (Caron et al., 1981). The rocks...conditions Reference Franciscan Formation, California Sifnos, Greece St Andrea Di Cotone. Corsica ...Quartz Blue amphibole Riebeckite Crossite Garnet Stilpnomelane Magnetite Hematite Aegirine Aegirine augite...Quarry (Agrell er al.. 1965). 2: Panoche Pass (Emst, 1965; Wood, 1979). 3: San Luis (Ernst & Seki, 1967; Wood...Molin. 1978). 10: Sifnos (Schliestedt, 1978-80). 11: San Andrea Di Cotone (Wood, 1979; Caron er a/., 1981; |  | | Journal (article/letter/editorial) | | Washington State College, Bellingham, Washington 98225, USA Abstract. Phase relations of pumpellyite, epidote...considered. An additional iron-rich phase, generally stilpnomelane, will be present in rocks with high Fe z +/Mg...Brown 128 Table 2 (continued) Franciscan Pacheco Pass Calcite Aragonite Pumpellyite Epidote Lawsonite... Reference " Stoneyford Quad. Goat Mtn. Panoche Pass Cazadero Black Butte X a a X X X X X...are listed in Table 2. Some phases, such as stilpnomelane, magnetite, and garnet, are omitted because |  | | Journal (article/letter/editorial) | | for Fe2+- and Fe3+pumpellyite, Fe2+- and Mg-stilpnomelane, actinolite, and magnesioriebeckite. In addition...for pumpellyite, a two-component model for stilpnomelane, and four-component models for amphibole and...frontal accretion. Key-words: pumpellyite, stilpnomelane, amphibole, sodic pyroxene, solid-solution models...These minerals are primarily pumpellyite and stilpnomelane. Thermodynamic end-member data are given by...Ca–Na-clinopyroxene 1 Ca–Na-amphibole 2 Pumpellyite 1 Stilpnomelane 48 Component W = WH (kJ/mol) Source for |  | | Journal (article/letter/editorial) | | faults by the lawsonite zone blueschists, which pass with the development of sodic amphibole to fully...temperatures of metamorphism. As paragonite and stilpnomelane are both rare minerals in low-grade blueschists...is observed in the metabasites of the Panoche Pass, California (Ernst 1965, Fig. 2) and also in uralitised...blueschist and eclogite of the Franciscan Complex, California. Contrib Mineral Petrol 71:67-83 Carpenter MA...metamorphic rock types of the Cazadero area, California. J Petrol 4:260-301 Ernst WG (1963) Petrogenesis |  | | Journal (article/letter/editorial) | | with one of the following minerals: chlorite, stilpnomelane, talc, almandine, deerite. Introduction In...observations metamorphic terrain. Towards the south they pass into an area of lawsonite-sodic pyroxene-chlorite...type III metabasites from the Cazadero area in California (Lee et al. 1963). Garnets from 10 metacherts...in their absence in the Devlez area include stilpnomelane and deerite. The absence of these two minerals...oxidation states of the blueschists. However, as stilpnomelane is an important mineral in the more reduced |  | | Journal (article/letter/editorial) | | blocks in the Franciscan shale-matrix mélange near San Simeon: Implications for metasomatism and tectonic...University of Texas at Austin, Austin, TX 78712, USA a r t i c l e i n f o Article history: Received...2013 Editor: T.M. Harrison Keywords: Franciscan San Simeon blueschist actinolitic rinds mélange a b...exposed in seacliffs and wavecut benches near San Simeon, California. Petrographic and geochemical analyses...amphibolite blocks in the Franciscan mélange terrane of California (Central Belt of Bailey et al., 1964; Coleman |  | | Journal (article/letter/editorial) | | tectonometamorphic unit in the Franciscan Complex, western California W. G. Ernst To cite this article: W. G. Ernst...tectonometamorphic unit in the Franciscan Complex, western California, International Geology Review, DOI: 10.1080/00206814...tectonometamorphic unit in the Franciscan Complex, western California W. G. Ernst Department of Geological Sciences...Sciences, Stanford University, Stanford, CA, USA ARTICLE HISTORY Downloaded by [University of Sussex Library]...The Franciscan Yolla Bolly terrane of the NE California Coast Ranges consists mainly of quartzose metagreywackes |  | | Book | | ^ '“ P r . . . I West Orange SOUTH SAN FRANCISCO PUBLIC LIBRARY 9048 00992838 7 257989 R q549...q549 PEMBERTON, H.E MINERALS OF CALIFORNIA P 2995 IpSl q 49 f 07. 257889 ^ pe B T 5 w! balJ E...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 |  | | Journal (article/letter/editorial) | | Received October 26, 1969 Abstract. In the Boat Pass-Tiebaghi area of New Caledonia regional metamorphism...of high pressure metamorphism (Fig. 1) from Boat Pass at the northern end of the island, along the northeast...';' Boa~ Pass TM - NEW 0 50 100 k m N0L SCALE Fig. 1. Geological map of the Boat Pass-Tiebaghi...Tertiary high pressure metamorphic zones between Boat Pass and the peridotite massif of Tiebaghi (Fig. 1) thus...new locality has been discovered at Narian (Boat Pass). "W. s L. - ,, , 1-3 km -~ Fig. 2. IzEezTedcross-section |
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