 | | 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... France, and by Coleman in 1959 at Cuzadero, California, are all deerite (Muir Wood 1979). (Continues |  | Massonne, H.-J., Hervé, F., Medenbach, O., Muñoz, V., Willner, A. P. (1998) Zussmanite in ferruginous metasediments from Southern Central Chile. Mineralogical Magazine, 62 (6) 869-876 doi:10.1180/002646198548098 | Journal (article/letter/editorial) | | found only in ironrich metasediments from Laytonville, California (Agrell et al., 1965). A new occurrence...A similar phase was also reported from Laytonville, California (Muir Wood, 1980). The rarity of rock-forming...Agrell et al. (1965) from the Laytonville quarry, Mendocino County, California. At this locality these hydrated...(1980) reported further types of zussmanite from Laytonville, which are fine-grained. These H.-J. MASSONNE...metamorphic belts, the metamorphic basement within the coastal ranges of Chile south of 34~ can roughly be divided |  | | 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...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...horizons while the accomFIG. 1. Lithology of the Laytonville Quarry exotic * Present address: 20 Emery Street |  | | Journal (article/letter/editorial) | | Cambridge SUMMARY. The mineral howieite has a stability range that extends down to pressures at, or even below...discovered by Agrell at the Laytonville Quarry, Mendocino County, California, and named as such in Agrell...o w i e i t e localities I. Laytonville Quarry, Mendocino Co., California (Agrell et al., I965) 2. Ward...Sonoma Co., California (Coleman and Lee, i966; unpubl.) 3. Panoche Pass, San Benito Co., California (Muir Wood...and Merced Cos., California (Muir Wood, 1977) 5- Covelo, Mendocino Co., California (Muir Wood, I977) |  | | 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...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...very flexible, and capable of fitting with a wide range of octahedral layer sizes. Such problems of compatibility |  | | Journal (article/letter/editorial) | | arrival. CALIFORNIA—In the January 1966 Mineral Information Service, p. 7, published by California Division...zussmanite. These were discovered at a locality near Laytonville, Calif., and were named and first described by...in a quarry on the east side of Highway 101 in Mendocino County, 5.4 miles south of Laytonville or 4...radiating clusters of bladed, black crystals that range up to about half an inch in length. When rubbed...disseminated in quartz and stilpnomelane. At the quarry all three of these minerals occur in quartz-rich |  | | Catalog/List | | A.JOITE CRYSTALS New Cornelia mine, Ajo, Pima County, Arizona. Hydrated copper aluminum silicate. New...brass-yellow metallic twinned pyrite crystals ( Iron cross). Some of the pyrite vugs contain felted aggregates...(average size k'-?'') scattered on chalcopyrite xls, pyrite xls, or milky quartz. These specimens are similar...CHALCOPYRITE CRYSTALS on SPHALERITE XLS ° Treece. Cherokee County, Kansas. Bright brassyellow metallic sphenoidal...groups. COPIAPITE CosO Hot Springs, Inyo Co., California A basic hydrated sulfate of ferric and ferrous |  | | Journal (article/letter/editorial) | | the blueschists of the Franciscan Formation, California, USA. Although only recently identified as a new...presently known Locality 1. Laytonville Quarry, Mendocino, County, California, USA Geological environment...stiipnomelane, quartz, garnet, blue alkali-amphibole, pyrite Wet chem. full Agrell, analysis of sample Bown...Scoon's analysis of No. 93727 2. Panoche Pass, California, USA Metacherts in glaucophane schists of the Franciscan...magnetite, pyrite, apatite (hematite) Ernst (1965) 3. San LuisPacheco Pass, California, USA as in 2 |  | | Journal (article/letter/editorial) | | Somerset, calcite, baryte, celestine, sphalerite, pyrite, chalcopyrite, analcime, 76I Castleton, Derbyshire... hydrobasaluminite, basaluminite, 931 Merebead quarry, Somerset, mendipite, chloroxiphite, 9o i St. Austell...diorite and associated rocks, 919 Le Pulec, Jersey, pyrite, marcasite, arsenopyrite, sphalerite, ferroan dolomite...Valle Vigezzo, Prov. Novara, vigezzite, 459 Osa quarry, Rome, gismondine, 84 I Sasso della Mantesca and...chalcopyrite, siderite, tetrahedrite, pyrrhotine, pyrite, marcasite, galena, sphalerite, meneghinite, ullmanite |  | | Journal (issue) | | batch of pieces we brought back from the Ritter Quarry that had nice thomsonite and mesolite, so that...was the one who collected much of the filiform pyrite from the site up the Clackamas River, and carefully...Wallowa Co., Oregon Fig. 2. Vesuvianite Mono Co., California 5 corresponding mineral is hedenbergite, CaFeSi2O6...crystals from the Morris Claim, Benton Range, Mono Co., California illustrated in fig. 2. The prisms are...Riverside Co., Bruce Canyon, Lemhi Co., Idaho California known collectively as Crestmore. This is a magnesium |  | | Journal (article/letter/editorial) | | minerals from the Franciscan of the Laytonville District, Mendocino Co., Califomia (ebs.) Ahrens, L. H...traskite, verplanckite and muirite from Fresno County, California Stinson, NI. C. and Matthews, R. A. Seven...Seven new barium miuerals from eastern Fresno County, Californier (abs.) 1.2+ 2r0+ 278 273 Stinson, M...Seven new barium minerals from eastern Fresno County, California AJlan, D. with Brown, V. (Book 314 27 6...from eastern Fresno County, 2040 (Alfors, Aplite-pegmatites, composite, of California Stinson, the Franklin-Sylva |  | | Report (issue) | | Paleotemperature within Franciscan Terranes of Coastal Northern California: 38°45 T N to 40°00'N 12 2 Michael B...paleotemperature within the Franciscan Complex of California. Data were derived from measurements of vitrinite...area is located in the northern Coast Ranges of California between latitudes 38 45'N and 40 00'N. Analyses...terranes: Franciscan Central belt, Franciscan Coastal belt, and the Yager complex. The data provided........ Results ............................... Coastal belt .......................... Yager complex |  | | 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 (issue) | | babbeltje... Deze maand wordt deeriet en howieiet van California aangeboden. Meer details hierover vindt U elders...Melanophlogite and its chalcedony pseudomorphs, a new California locality 1-2 News from Mexico 4 Minerals of the...yellow apatite mining at the Crystal Lode, Eagle County, Colorado FACETTEN 36(5), 10.03 49-64 De polymorfen...sédimentaires du Cap Blanc-Nez (Pas-de-Calais) : pyrite ou marcasite ? 33-36 Uraninite, pechblende, thorianite...mineral species from Temple Mountain, Emery Co., Utah, USA. 981-988 Hillite, new member of the fairfieldite |  | | Journal (article/letter/editorial) | | INDEX Ecton, Staffordshire, serpierite, 882. Mells quarry, Frome, Somerset, calcite, 70. Roughten Gill, Cumberland...localities, p. 1078: Castle an Dinas quarry; Cripple's Ease quarry; Great Zawn, Zennor; Knill's Steeple...Mount ; Tregarden quarry, Luxulyan ; Tremearne ; and Tresayes. Devon Meldon railway quarry, metamorphosed...pit; Locks Cross, Sherberton Common ; Merrivale quarry; Sheltor ; and Staple Vor. WALES Benallt mine,...Krngnd Hory, al671. mandine, 389. Roam,, Singhbhum, pyrite, chalcopyrite, Zinnwald, Bohemia, stannite, 1045 |  | | Report (volume) | | Colorado-Federal Center, Bldg. 810 • MENLO PARK, California-Bldg. 3, Rm. 3128, 345 Middlefield Rd. • RESTON...Complex and Evolution of the Mendocino Triple Junction, Northwestern California By R.j. McLAUGHLIN, W.V....complex and evolution of the Mendocino triple junction, northwestern California/ by R.J. Mclaughlin ... [et...bibliographical references. 1. Plate tectonics-California. Northern. 2. Geology, StructuralCalifornia,...1 Tectonostratigraphic· framework of the Cape Mendocino. region and adjacent northern Coast Ranges 2 Franciscan |  | | 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 |  | | Catalog/List | | SHASTA DRIVE, SAN JOSE, CALIFORNIA 95127 HALITE - Kern County, California (cavernous crystals) GEM...Legrandite. residents please add 4% sales tax. California Orders will be shipped within two days after...specimens, please don't ask. Wher. }'ou're in central California, stop by and see us anytime. Call before you...fl. yellow-green. ARAGONITE 3X4 - Sam Benito County, Califo.fnia - White needles groTdrting in radiating... 3 X 3 $2.75, 4 X 5 $4.50 San Benito County, California - Greenish hexagonal plates (look like thick |  | | Journal (article/letter/editorial) | | Girgenti in Iceland. Also in Trinidad and in Mexico. California, according to the Geological Data Group, Div...Southern California in vicinity of San Diego and Imperial counties. There is also one in Mendocino County...miles west of Laytonville. A very interesting description of the mud volcanoes in California has been published...Southern California, Dr. J. Veatch in 1857, found boracic acid, in small quantities (California Aca demy...The outer zone mineralization is mainly pyrite (ratio of pyrite to chalcopyrite of about 2 0 : 1 ) . The |  | | 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) | | Fig. 1. Location of the Santo Pietro Di Cotone quarry on a structural sketch map of eastern Corsica (After...SAMPLE DESCRIPTION The deerite rock crops out in a quarry near the eastern margin of the Corsican ‘schistes...(Caron et al., 1981). The rocks observed in the quarry (marbles, gneisses, metabasites, quartzites) all...conditions Reference Franciscan Formation, California Sifnos, Greece St Andrea Di Cotone. Corsica ...Hematite Aegirine Aegirine augite Calcite Aragonite Pyrite Grunerite Epidote White Mica Chlorite + f 2 | | | 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) | | 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...Wyoming, and New Hampshire. Named for Coconino County, Arizona. Compreignacite. J. Protas, 1964. Bull |  | | 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...and black silexite bodies loaded with innumerable pyrite grains of probable granite contact origin. Retrograde...ORIGIN OF TINCAI,CONITE AT SEARLES LAKE, CALIFORNIA C. J. Bowsnn, Uni.ztersi,tyoJ Wiscons'in, Madtison |  | | Journal (article/letter/editorial) | | rltungameteorite, metallography, 1139. Aroostook County, Maine, ganophyllite, 893. Arrojadite, Rhodesia...gersdorffite (III), a distorted and disordered pyrite structure~ 940; - - , see LAWRENCE (L. J.), 757...Singhbhum, India, 671. Big Creek, Fresno County, California, celsian, 914. BIGGAR (G. M.), Apatite compositions...of pyrope from the Stockdale kimberlite, Riley County, Kansas, 450. BROUSSE (R.), see LEMAITRE(0.), xxviii...Antrim, ferrian chlorospinel, 948. Castle an Dinas quarry, Cornwall, tourmaline, 1078. Catron City, New Mexico |
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Laytonville Quarry, Laytonville, Coastal Range, Mendocino County, California, USA