| | Journal (article/letter/editorial) | The iron-rich blueschist facies minerals" I. Deerite R. MUIR WOOD Department of Mineralogy and Petrology... Cambridge S U M M AR Y. T h e m i n e r a l deerite is restricted in o c c u r r e n c e to blueschist...formula of Fe~-Fe3+Si~zO4o(OHho there are a limited range of substitutions: Ti and V for Fe 3§ and Mn on the...In the present survey of deerite compositions from the majority of deerite localities the maximum substitutions...been possible to map the form of the low-pressure deerite stability field involving reactions of greenalite | | | Journal (issue) | $6.00 Deerite, Howieite, and Zussmanite Three Interesting Silicates from the Laytonville Quarry, California...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...impure limestones of the Franciscan formation. Deerite, howieite and zussmanite occur as part of a diverse...aragonite (Agrell, Bown, and McKie 1964). The Laytonville quarry exotic block represents a series of deep-ocean | | | Report (issue) | (Fe2+ ; Mn2+ )6 (Fe3+ ; Al)3 Si6 O20 (OH)5 Deerite c 2001 ° Mineral Data Publishing, version 1.2 Crystal...9.564(9) X-ray Powder Pattern: Laytonville district, California, USA. (ICDD 19-421). 9.03 (100), 3.01...46] [96.36] 100.00 4.19 (1) Laytonville district, California, USA. (2) Do.; by electron microprobe...kutnohorite (Laytonville district, California, USA). Distribution: In the USA, in California, in the Laytonville...Laytonville quarry, at Covelo, and at Burn's Flats, Mendocino Co.; at Ward Creek, Cazadero, Sonoma Co.; | | | 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...total exposed thickness does hydration episode deerite formed within most of the n o t exceed 15 m. Some...Appendix. THE Laytonville Quarry exotic block is the type locality for the minerals deerite, howieite, and...1965). Situated 8 km south of Laytonville (Mendocino County, California), the exotic block, originally | | | 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) | | | Report (issue) | c = 9.589(4) X-ray Powder Pattern: Laytonville, California, USA. (ICDD 19-571). 9.18 (100), 7.91 (80)...(40), 3.06 (35) Chemistry: (1) Laytonville district, California, USA; analysis not given, stated 3+ to...Franciscan Formation (Laytonville district, California, USA). Association: Deerite, zussmanite, stilpnomelane...kutnohorite (Laytonville district, California, USA). Distribution: In the USA, in California, from the Laytonville...Laytonville quarry, and at Covelo, Mendocino Co.; at Ward Creek, Sonoma Co.; in Panoche Pass, San Benito | | 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...Nihue, Chile. Introduction THE mineral triplet deerite, howieite, and zussmanite was first disco-Jered...Agrell et al. (1965) from the Laytonville quarry, Mendocino County, California. At this locality these hydrated...metamorphic rocks of the Franciscan Complex. While deerite and howieite have so far been reported from several | | | 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 | | | Report (issue) | 69(2) Z=3 X-ray Powder Pattern: Laytonville district, California, USA. (ICDD 19-1500). 9.60 (100), 4.78...to blueschist facies metamorphism. Association: Deerite, howieite, stilpnomelane, spessartine, riebeckite...graphite. Distribution: In the Laytonville quarry, Mendocino Co., California, USA. Name: For Jack Zussman...National Museum of Natural History, Washington, D.C., USA, 109454; The Natural History Museum, London, England...(1965) Deerite, howieite and zussmanite, three new minerals from the Franciscan of the Laytonville District | | | Journal (article/letter/editorial) | 1978 Short Communication Preliminary Note on Deerite From High-Pressure Metamorphic Rocks of Sifnos...Republic of Germany Abstract. A new occurrence of deerite-bearing quartzites from blueschist metamorphic...is described, and analytical and X-ray data on deerite are presented. Introduction Since its first description...the Franciscan of California by Agrell et al. (1965), the hydrous iron silicate deerite was reported from...Experimental investigations carried out on At-free deerite (Langer et al., 1977) conform to these P - T conditions | | | Journal (article/letter/editorial) | Springer-Verlag 1977 Synthesis and Stability of Deerite, _ 2 + 1E,_3+ F e l 2 lptr [Si1204o](OH)1o, and...Bochum, Bundesrepublik Deutschland Abstract. Deerite, FeZ~-Fe63+[Si12040](OH)lo, thus far known from...from this ferri-deerite end member to some 20mole % of a hypothetical alumino-deerite, FeZ~-A13+[Si12Ogo](OH)10...10 . The upper temperature breakdown of ferri-deerite to the assemblage ferrosilite + magnetite + quartz...these data to lower water pressures indicates that deerite can be a stable mineral only in very low-temperature | | | Journal (article/letter/editorial) | conditions but breaks down in normal blueschiststo give deerite; (ii) ferro-glaucophane is in competition at all...competition from NaCa pyroxenes, garnets, and deerite first erodes, and then removes, nearly all sodic...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 | | | Journal (article/letter/editorial) | hydrobasaluminite, basaluminite, 931 Merebead quarry, Somerset, mendipite, chloroxiphite, 9o i St. Austell...corkite, wulfenite, 463 France Cervione, Corsica, deerite, 251 Chanteloube, Limoges, alluaudite, 230 Piedmont...Haut Savoie, blueschist-facies amphiboles, 74i; deerite, 25I Spain (Espafia) Cerro del Hierro, Province...(Italia) Beth e Ghinivert and Salbertrand, Piedmont, deerite, a5~ Elba, dachiardite, 548 Euganean Hills, biotites...Valle Vigezzo, Prov. Novara, vigezzite, 459 Osa quarry, Rome, gismondine, 84 I Sasso della Mantesca and | | | 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...however, contain the additional minerals zussmanite, deerite, and howieite which indicate high pressure metamorphism...minnesotaite are index minerals in the lowest metamorphic range of iron-formations, but they react with the assemblage | | | Journal (article/letter/editorial) | arrival. CALIFORNIA—In the January 1966 Mineral Information Service, p. 7, published by California Division...minerals, deerite, howieite, and zussmanite. These were discovered at a locality near Laytonville, Calif...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...knife, it yields a dark greenish-brown powder. "Deerite is a black mineral that characteristically occurs | | | Catalog/List | A.JOITE CRYSTALS New Cornelia mine, Ajo, Pima County, Arizona. Hydrated copper aluminum silicate. New...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...Traverse Creek, near Georgetown, El Dorado Co. , California. A basic calcium aluminum silicate. This is a...AZURITE Crystals Piedmont Mine, Bloody Basin, Yavapai County, Arizona. Hydrated copper silicate. Sharp greenish/blue | | | Journal (article/letter/editorial) | D. Deerite, howieite and zussmanite, three neu' minerals from the Franciscan of the Laytonville District...District, Mendocino Co., Califomia (ebs.) Ahrens, L. H. (Book revieu') Akhmanova, NI. V. rvith Pavlenko...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 | | | Journal (article/letter/editorial) | assemblages, collected from the Laytonville Quarry, Mendocino County, California, it was found that the complexity...facies has now become generally accepted to cover a range of rocks that have suffered metamorphism under high...origin of certain blueschist mineralogies. In California the coincidence of these two rock types is common...stability. The second reaction, the absolute stability range of jadeite, is thus more reliable, but http://journals...(Brown, 1974). Glaucophane extends its stability range to higher temperatures than lawsonite where it may | | | Journal (article/letter/editorial) | Thermally Activated Electron Delocalization in Deerite G. Amthauer 1, K. Langer 2, and M. Schliestedt...substituting for Fe. Introduction The mineral deerite is a hydrous ferrous ferric silicate with the ideal...[Si6017] (OH)5, Z = 4. The natural occurrences of deerite are all characterized by low temperature, high...high pressure metamorphic environrnents. Deerite belongs to the chain silicates and has the space group P21/a...such as K, Na, Mg, A1, Ti, etc., can enter the deerite structure except for Mn, which is found up to 3 | | | Journal (article/letter/editorial) | been made of the Mdssbauer spectra of howieite, deerite and two sapphirines, for which the crystal structures...co-ordination, while deerite contains Fe2+ IOIISin fourfold co-ordination. Howieite, deerite, and crocidolite...Minerals cles&ibed include : zussmanite, howieite, deerite, two sapphirines and the amphibole crocidolite...iitting to retain the intensity constraint. For deerite and the blue sapphlrir~~~ it was necessary to incorporate...raints if the spectra are poorly resolved. For deerite it was possible to obtain two different fits by | | | 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...mineral species from Temple Mountain, Emery Co., Utah, USA. 981-988 Hillite, new member of the fairfieldite...group, Honsonburg mining district, Socorro County, New Mexico, USA 390-399 Carletonville gold mines, Witwatersrand | | Grevel, C., Maresch, W. V., Stanek, K.-P., Grafe, F., Hoernes, S. (2006) Petrology and geodynamic significance of deerite-bearing metaquartzites from the Escambray Massif, Cuba. Mineralogical Magazine, 70 (5) 545-564 doi:10.1180/0026461067050349 | Journal (article/letter/editorial) | 545–564 Petrology and geodynamic significance of deerite-bearing metaquartzites from the Escambray Massif...Poppelsdorfer Schloss, D-53115 Bonn, Germany ABSTR ACT Deerite, a typical mineral of Fe-rich metacherts metamorphosed...the Escambray Massif, Cuba, in the assemblage deerite + Mg-Al-poor riebeckite + magnetite + quartz >...(‘crossite’) during deerite formation. Early-formed hematite was largely replaced by magnetite. Deerite is very close...magnetite-quartz, the crystallization conditions of the deerite-bearing assemblage can be constrained to ~470ºC | | | Journal (issue) | Magazin 86-96 Achat- und Jaspisfundstellen in Arizona, USA AGAB MINIBUL 45(1), 01.12 1-15 La cubanite...aus der Last Chance Mine, Grant Co., New Mexico, USA 42-46 Roter Brookit und Anatas vom Monte Bregaceto...szenicsite, from Copper Creek, Pinal Co., Arizona, USA LAPIS 37(2), 02.12 9-11 Kesterit 13-16 Bazzit-Neufund...Ochoco Mountains, Oregon, USA 94-96 Strandachate von der Pazifikküste in Oregon, USA ELEMENTS 8(1), 02...Champion Mine, White Mountain, Laws, Mono Co., California, USA zou natroaluniet voorkomen die strontium bevat | | | 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...exceptions are the Fe-rich minerals howieite and deerite. which have 6D = - 100. All of these samples could...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 | | | Journal (issue) | batch of pieces we brought back from the Ritter Quarry that had nice thomsonite and mesolite, so that...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...4. Pyrrhotite Geikielite Jensen Quarry, Riverside Co., California Spinel 6 Fig. 5. Titanite and |
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Laytonville Quarry, Laytonville, Coastal Range, Mendocino County, California, USA