 | | 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...sediments in the metamorphic history, howieite, riebeckite, stil- there are quartzites containing spherical...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- |  | | 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...Howieite, zussmanite, stilpnomelane, spessartine, riebeckite, quartz, aegirine, grunerite, aragonite, manganoan...(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) | | deerite-forming reactions involve the breakdown of riebeckite and the hydrous incompatibility of magnetite...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 |  | | 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 |  | | 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...district, California, USA). Association: Deerite, zussmanite, stilpnomelane, spessartine, riebeckite, quartz...(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) | | compositions covering the whole plane stable: (i) pure riebeckite exists under low-P conditions but breaks down...blneschisttemperatures with almandine garnet; (iii) magnesio-riebeckite is stable at high-T and low-P but within the...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 |  | | 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) | | blue amphibole is zoned from crossite core to riebeckite rim. The bulk chemical analysis of the rock is...‘schistes lustres’ (Fig. l), about 2 km west of San Andrea di Cotone (Caron et al., 1981). The rocks...compositional variation from a crossite core to a riebeckite rim (Fig. 4).An example of the zoning profile...Essene & Fyfe (1967) diagram. Fe-Glaucophane Riebeckite (marbles and metabasites). Temperature has been...14 0.05 0.02 SiOz Ti02 A1203 Glaucophane Mg-Riebeckite Fig. 4. Composition of blue amphiboles in the |  | | 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...Franciscan formation Deerite, stilpnomelane, riebeckite, quartz, aegirine, + garnet, aragonite (partly...apatite (hematite) Ernst (1965) 3. San LuisPacheco Pass, California, USA as in 2. Deerite (rare accessory) |  | | Journal (article/letter/editorial) | | Washington State College, Bellingham, Washington 98225, USA Abstract. Phase relations of pumpellyite, epidote...margarite, Pg paragonite, Hem hematite, Rieb riebeckite, Cross crossite, Glauc glaucophane, Act actinolite...Lawsonite Margarite Paragonite Hematite Glaucophane Riebeckite Actinolite 0 6 3 3 2 2 3 0 8 8 8 0.00 0.04...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 |  | | Journal (article/letter/editorial) | | faults by the lawsonite zone blueschists, which pass with the development of sodic amphibole to fully...Fig. 2. G gtaucophane; FG ferroglaucophane; R riebeckite; M R magnesioriebeckite Sodic Amphibole Sodic...increase in entropy from magnesioriebeckite to riebeckite (due to Mg <--=> Fe z+ substitution) is the same...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 |  | | 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) | | hollandite. The amphibole is zoned from a magnesio-riebeckite(Table l; 2c) to a magnesioarfvedsonite (2r),...Compositionally,the amphibole is a crossiteor magnesio-riebeckite,depending upon the precise FerO, content. (Becausethe...NI T E FE-GLAUCOPHANE G LAUCOPHANE Mg- RIEBECKITE RIEBECKITE .tt OaOO ALKALI AMPHIBOLES B o3 1'40...sphenefrom the Franciscanblueschist terrain at Panoche Pass, California. On the basisof23 oxygens,its cationcontentsare...tremolite-actinolite-hornblende and glaucophane-crossite-riebeckite. Acknowledgments We acknowledge the purchase |  | | Journal (article/letter/editorial) | | The blueschists of the Franciscan formation of California present a number of paradoxes. There are several...widespread occurrence of aragonite marbles in the San Juan Islands of Northwest Washington. The marbles...R.L. GaESENS: believed that bluesehists of the San Jose-Mt. Hammilton area were produced metasomatieally...introduction of sodium - - for example, development of riebeckite in red chert beds. Older accounts report such...metasomatie alteration of conglomerates of the Paeheco Pass area. I t is also well known to persons working |  | | Journal (article/letter/editorial) | | Planetary Physics, University of California, Los Angeles, California 9oo24, USA SUMMARY. Compositions of glaucophanes...blueschist terranes in east-central Shikoku, W. California, Valtournanche (W. Alps), and W. Liguria are...well as among high-grade tectonic blocks from California; in contrast, actinolitic amphiboles from both...the fact that the parageneses of Shikoku and California reflect high P and very high P prograde P-T paths...blueschist terranes: east-central Shikoku, Japan; W. California, U S A : Valtournanche, W. Alps; and W. Liguria |  | | 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 | | | 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 |  | | Journal (article/letter/editorial) | | Minerals such as piemontite, pistacitic epidote, riebeckite, aegirine, spessartine garnet and hematite, often...prehnite-pumpellyite to greensichst facies in the Dansey Pass area, Otago, New Zealand. Geol. Soc. America Bull...Coleman, R. G. (1967), Glaucophane schists from California and New Caledonia. Tectonophysics, 4, 479-498...parageneses in Francis can metamorphic rocks, Panoche Pass, Cali fornia. Geol. Soc. America Bull., 76,...Comparative study of low-grade metamorphism in the California Coast Range and the outer metamorphic belt of |  | | 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 |  | | Journal (article/letter/editorial) | | metamorphic rocks, such Fe3+-bearing amphiboles (e.g., riebeckite and crossite) typically occur at medium- to high-pressure...metagreywackes of the Franciscan Complex (Ernst, 1965), California, the very-low-grade Otago schists in New Zealand...facies, glaucophane-rich in the blueschist facies, riebeckite-rich between these facies ranges, and coexisting...as the greywackes of the Franciscan Formation, California, and in particular the metasediments of the Sanbagawa...the Black Butte and Ball Rock areas, northern California Coast Ranges. Am. Mineral., 68, 365-372. Connolly |  | | Book | | Planetary Physics, University of California, Los Angeles, California, USA ISBN-13: 978-3-642-46140-8 DIO:...chapters. We hope that this monograph series will by-pass these problems in fulfilling the need. The purpose...Magnesioriebeckite, oNa2Mg3Fet3Sis022(OH)2.. Riebeckite and Riebeckite-Arfvedsonite Solid Solutions, oNa2Fet2Fet3Sis022(OH)2-N...(1965); amphibole -COLVILLE and GIBBS (1965); riebeckite -PAPIKE and CLARK (1967). glaucophane Although... magnesioriebeckite oNa2MgaFe~aSis022(OH)2 riebeckite oNa2Fe!2Fe~aSis022(OH)2 arfvedsoni te NaaFet2Fe+aSis022(OH)2 |  | | Journal (article/letter/editorial) | | observations metamorphic terrain. Towards the south they pass into an area of lawsonite-sodic pyroxene-chlorite...circles. G glaucophane; FG ferroglaucophane; R riebeckite; M R magnesioriebeckite Sodic Pyroxene Sodic...type III metabasites from the Cazadero area in California (Lee et al. 1963). Garnets from 10 metacherts...metacherts (from Healdsbnrg, Tiburan, Pacheco Pass, and Panoche Pass). The essential mineral assemblage in Franciscan...g u l u 1967) a n d o n e f r o m P a n o c h e Pass, C a l i f o r nia. T h e m a i n e r r o r s in |  | | Book (volume) | | 01225 442836) Distributors USA AAPG Bookstore PO Box 979 Tulsa OK 74101-0979 USA (Orders: Tel. (918) 584-2555...Glaucophane-Ferro-glaucophane Magnesio-riebeckite—Riebeckite Eckermannite-Ferro-eckermannite Leakeite—Ferro-leakeite...three new minerals from the Laytonville Quarry, California were named by S. O. Agrell after the three co-authors...anthophyllite and cummingtonite near Chester, Vermont, USA, and which have regularly repeating sequences of...AlbO>7](OH,F)> (d) Sodic amphiboles Glaucophane-riebeckite Na>(Mg,Fe**)3(Al,Fe**)s[Sig05](OH,F)2 Ecker |  | | Book (volume) | | THE SOUTHWESTERN QUADRANT Arizona, Arkansas, California, Colorado, Louisiana, Nevada, New Mexico, Oklahoma...The Southwestern Quadrant Arizoni, Arkansas, California, Colorado, Louisicna, Nevada, New Mexico, Oklahoma...Mineral Location Numbers Arizona Arkansas California Colorado 258 Louis B30 ana HOW TO USE...volumes, through very precise directions and accurate county maps, to get you to the best and most accessible...for the county in which it is located. This site number also appears under the given county in the text |
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