 | | Journal (article/letter/editorial) | | St. Austell, columbite, r3I Penryn Granite Co. quarry, Halv,zsso, stokesite, 411 Wheal Cock Zawn, stokesite...I Somerset Mendips, chloroxiphite, 357 Merehead quarry, Cranmore, brucite, blixite, hydromagnesite, hydrocerussite...Saltburn, iron-boracite, 404 Hepworth Iron Co. quarry, Penistone, francolite, siderite (magnesian), 287...Hill, Radnorshire, actinolite, tourmaline, altered gabbro, 124 Coch, Glamoroan, pyrobelonite, roman6chite...SCOTLAND Arisaig, Inverness-shire, tholeiite, 273 Bad na h'Achlaise, Assynt, Sutherland, fenite, microeline |  | | Journal (article/letter/editorial) | | Fen, magnesio-arfvcdsonite, 317. Hasvik, SOrOy, gabbro, 815. Sulitjehna, almandine, biotite, hornblende...Viisterbotten, montcbrasite, 414. Germany (Deutschland) Chursdorf, Penig, Saxony, amblygonite, 414. Drachenfels...Berkshire; Ha#on attd Shabbington Wood, Buckinghamshire; Lower Froyle, Selt)orne, and West Worldham, tlampshire;...Upnor, Kent. Cornwall Bosahan quarry, Falmoath, biotite, 21o. Dean quarry, Coverack, The Lizard, analcime... 153. Meidling im Tal, Lower Austria, omphacite, 6I. Mitterbachgraben, Lower Austria, omphacite, 6i. |  | | Report (issue) | | 750° to A typical antigorite curve____ _ ___________________ The collection of antigorite curves. _______-_-_..._______-_-_.___ Detailed analysis of the antigorite curves in the temperature range 25° to 700°C ..---__--_...---__--_.. Detailed analysis of the antigorite curves in the temperature range 700° to 800°C ___________ Detailed...Detailed analysis of the antigorite curves in the temperature range 800° to 1,100°C ___ _--__ Effect of...Baltimore County, Md______________________________ Antigorite with minor amounts of chrysotile (Yu-Yen Shi |  | | Book | | Binding: Lüderitz & Bauer, Berlin. Printed in Germany. Dedicated to my former teacher and friend Professor...Grigoriev (U.S.S.R) Prof. Dr. F.K. Drescher-Kaden (Germany) Mr. D. Minatidis (Canada) Dr. E. Mposkos (Athens)... Dr. Thesis, University of Frankfurt am Main, Germany. Fig. 551, by Wager and Deer from Theoretical Petrology...of pyroxene, hornblende, olivine, chlorite and antigorite. Particularly, the growth of forsterite and its...these phases. The blastogenic individuals of antigorite may occur either as isolated crystalloblasts |  | | Journal (article/letter/editorial) | | authors are printed in SMALLCAPITALS,subjects in lower-case roman, and localities in italics. Actinolitc...ALABASTER (C. J.), An occurrence of brucite at Merehead quarry, Cranmore, Somerset, 4o0 ALEXANDER (P. O.) and...stability relations, 534 Anhydrite, lsrael, 233 Antigorite, Western Australia, anal., X-ray, paragenesis...the Bondoc Peninsula meteorite, I21 (Syn.), MI Bad na h'Achlaise, Assynt, Sutherland, fenitc, microcline...OPPENHFIM (M. J.), 402 Bulon.q, Western Australia, antigorite, lizardite, 313; pyrrhotine, magnetite, ilmenite |  | | Journal (article/letter/editorial) | | authors are printed in SMALLCAPITALS,Subjects in lower-case roman, and Localities in italics. The minerals...i28. Amblygonite, France, Maine, New South Wales, Saxony, anal., cell-dimensions, distinction from montebrasite...albite, I56; - - , anal., d2o i, 489. Amoibite, Germany, anal., opt., X-ray, 26. Amos Stream, New Caledonia...anal., opt., cell-size, 942. Angouria, Egypt, antigorite, 493. Anorthite, New Zealand, anal., opt., 375;...conditions for coexistence with hornblende, 923. Antigorite, Egypt, anal., X-ray, d.t.a., 394. Apatite, Nigeria |  | | Journal (article/letter/editorial) | | by concentrically zoned dunite–clinopyroxenite–gabbro (“platinumbearing”) and ophiolitic massifs with...with intensely serpentinized rocks of the dunite–harzburg ite complex being the most widespread. Direct...[1, 3–5, 7–11, 14]. The wellknown Klyuchevskoi gabbro–ultramafic massif is the most representative ophiolitic...top downward): dunite–wehrlite– clinopyroxenite–gabbro (layered part of the ophiolite section) and dunite–harzburgite...peridotites). The dunite–wehrlite–clinopyroxenite–gabbro com plex constitutes several tectonic blocks in |  | | Report (volume) | | Serpentinite and Rodingite in the Hunting Hill Quarry, Montgomery County, Maryland By DAVID M. LARRABEE...BULLETIN 1283 Description of rocks exposed in the quarry near the center of the Hunting Hill ultramafite... Geologic map of the Hunting Hill serpentinite quarry __ In pocket 1. Index map showing location of the...Md______________ 3 2. Photograph of the Hunting Hill quarry, 1966___________ .5 3. Photograph of serpentinite...Hunting Hill quarry--------------4. List of minerals identified from the Hunting Hill quarry __ 5. Structuraltrends |  | | Book | | A CHANGING PLANET 11 Vanadinite, San Carlos district, Chihuahua, Mexico * 8 x 4 x 2 cm Mineral Species...manganese oxide on limestone, Solnhofen, Bavaria, Germany * 11.5 x 24 x 0.5 om MINERALS: PRODUCTS OF A...such as Porcupine and Hemlo districts; Noranda district, Quebec. USA: Mother Lode belt and others in...Localities Canada: Cobalt mining district and Thunder Bay District, Ontario. USA: several localities... Wire silver, Silver Islet Mine, Thunder Bay District, Ontario, Canada * 11.5 x 14x 11 om Silver has |  | | Journal (article/letter/editorial) | | three large massifs of ophiolites and associated gabbro (SyumKeu, RaiIz, and Voikar), granitoids, and...comagmatic to them occur east of the ultrabasites and gabbro (Fig. 1). The 618 MANTLE ULTRABASITES OF OPHIOLITE...stripe of rocks composing a dun ite–clinopyroxenite–gabbro complex (Figs. 1, 2a). Gabbroids also compose an...tical section, and gabbroids are hosted in its lower part. This “reverse” stratification pattern is generally...of ultrabasite massifs in the Polar Urals. (1) Lower–Middle Paleozoic rift–bathyal com plexes (paleocontinental |  | | Journal (article/letter/editorial) | | nephrites. Europe Swiss Alps French Alps East Germany West Germany Poland Finland Asia America California Wyoming...deposits are concentrated mainly in the Swiss Alps, Germany, Silesia and northern Italy. The Swiss Alps. Two...of Salux, at the contact between saussuritized gabbro and serpentinites; it is partly schistose and...contact between greenstone (prasinites) formed from gabbro, and chloritized and carlDonatized serpentinites...of this deposit are not those of nephrite. East Germany (Thuringia). According to Rimann (1938, 1939), |  | | Report (edition) | | contaminated with such secondary minerals as antigorite, chlorite and carbonates, with perhaps relics...Shetland 2.55 - 2.58. grey, yellow ~ or white, Antigorite is the basis of most serpentine rocks, which...bronzite). ' IB 88260/1 2 A method of employing antigorite at the present time is suggested here in the...agree far more closely with the composition of antigorite than with that of talc, but as there is a certain...the mixture in the form of magnesite (MgC03). Antigorite on the other hand approaches fairly closely to |  | | Book | | Tubingen Germany and c. Schmitt-Riegraf Lecturer in Mineralogy University of Munster Germany Translated...Chapman & Hall GmbH, Pappelallee 3, 69469 Weinheim, Germany Chapman & Hall USA, 115 Fifth Avenue, New York...Verlag, P.O. Box 30 03 66, D-70443 Stuttgart, Germany Softcover reprint of the hardcover 2nd edition...8.1 Leptochlorite 4.8.2 Serpentine group 4.9 Antigorite 4.9.1 Chrysotile 4.9.2 Feldspar family 4.10 4...Schwabische Alb and in the Laacher volcanic areas of Germany. 2. We give emphasis to the common minerals. They |  | | Journal (article/letter/editorial) | | gabbros and serpentinized peridotites with gabbro veins. Antigorite serpentinites form the western part of...olivine and chromite were studied within the antigorite serpentinites. Clinopyroxene I (Mg# 90.9–93.47...80 wt. % Al2O3) occurs in the neighbourhood of gabbro veins. Its REE patterns are similar to those of... % TiO2) occurs in serpentinites penetrated by gabbro veins. The serpentinites of the Braszowice–Brzeźnica...ocean-spreading setting. Chemistry of clinopyroxene I from antigorite serpentinites resembles, in terms of major elements |  | | Journal (article/letter/editorial) | | similar orientations and mineralogy within the gabbro unit contain adularia which have been previously...ratios indicate that the mineralisation within the gabbro and peridotite is genetically similar. The primary...typically lizardite and chrysotile or, more rarely, antigorite. Lizardite and chrysotile develop at temperatures...g. Barnes and O'Neil, 1969; O'Hanley, 1996). Antigorite develops at higher temperatures, typically in...and chrysotile (Midgley, 1951; Green, 1964b); antigorite is uncommon and restricted to zones that are |  | | Catalog/List | | plastic box. Friedrichsegen Mine, bad Ems , Lahn .Rhineland-Palatinate Germany £18 7 SULPHUR small crystals...crystals in Basalt 5x6 cm Limberg No 1 quarry, Kaisersthul, Germany £4 11 LAVOISIERITE rich brown fibrous...good long wave orange fluorescence 3.5x3cm Koksha valley Badakhshan Afghanistan £35 22 CANCRINITE yellowish...HARMOTOME, clear micro crystals on 1x2 cm Dolyhir Quarry, Old Radnor Powys £5 54 HEMIMORPHITE good covering...and piemontite matrix. 2x3cm Praboma Mine, Aosta Valley, North Italy £20 B) smaller piece £10 71 BRUCITE |  | | Journal (article/letter/editorial) | | the Musa Valley, Eastern Papua By D . H. GREEN* (PLATES I and II) ABSTRACT In the Musa Valley area rocks...alpine ultramafic suite, to olivine gabbro and bytownite gabbro. Agglomeratelike breccias consisting...bastite (i.e. chrysotile and lizardite mixtures) ; antigorite ; olivine and enstatite ; and these are correlated...tentatively regarded as a fault breccia, in the Musa Valley area of Eastern Papua, was noted by J. Thompson...five months in the geological mapping of the Musa Valley area, (Text-figs. 1 and 2). Much of the area is |  | | Book | | look for. Michael O’Donoghue Proustite (East Germany) 7 Rocks We can define a rock as a large mineral...Darker and even poorer in silica than diorite is gabbro, containing a calcium-rich plagioclase and pyroxene...Granite Nepheline syenite Syenite Dio rite Gabbro Peridotite 13 Dunite Serpentinite Rhyolite...the fixed index (the ordinary ray) at a higher or lower reading than the moveable (extraordinary) ray. Where...incident beam are retarded by passing through to the lower side of the film, rejoining the main beam either |  | | Book (edition) | | dept. (departement), dept. (departamento), dist. (district). Less common terms are not abbreviated, e.g....Scbwarzwald Mts., in the Sailauf quarry, Spessart Mts., Bavaria. both Germany, and from the Rabejac deposit... = = = = = Acanthite, x 16 mm, Freiberg, Germany, H Abernathyite, 12 mm, Ririera/, France, H Abhurite...at the Himmelsftirst mine, Freiberg, both Saxony, Germany. In the subtropical areas acanthite may occur...byssolite. Mono- coast of North America: Kobuk River Valley, Alaska, clinic, C2/m, a,b,c = 9.89, 18.20, 5.31 |  | | Report (issue) | | 1 18 bodies Ultrabasic intrusive bodies 21 Gabbro 23 23 intrusive 21 Granodiorite Quartz veins...__ ! - Other rock types Auriferous gravels Valley Springs formation Stratigraphic sections at some...some placer mines Rhyolite tuffs Age of Valley Springs formation 28 28 29 29 34 35 39 40 Mehrten...feet in thickness. The Logtown Ridge formation, lower Upper Jurassic (?), consists of about 2,000 feel...Mariposa formations. Serpentinized peridotite and gabbro cut a wide variety of older rocks. A single, oval |  | | Report (issue) | | ........ 9 5. Ternary diagram of serpentinite, gabbro, and graywacke friction. ........................units are juxtaposed with various serpentinite, gabbro and graywacke units to the east, suggesting that...prepared from serpentinite and gabbro from the Coast Range Ophiolite, a Great Valley Sequence graywacke, and...from 0.36 for the serpentinite to 0.84 for the gabbro, with four of the rock types having coefficients...west side and the Coast Range Ophiolite and Great Valley Sequence on the east side. Three Franciscan metasedimentary |  | | Journal (article/letter/editorial) | | fraction of zircons coincides in time with the lower epidote–amphibolite and upper green-schist facies...weighing from 120 kg (mantle dunite) to 60 kg (gabbro) using a common set of methods, including crushing...peridotites [22]) and dunite–wehrlite–clinopyroxenite–gabbro (cumulative ophiolite complex [22]). The rocks...peridotites [22]) and dunite–wehrlite–clinopyroxenite–gabbro (cumulative ophiolite complex [22]). The rocks...1). The with the dunite–wehrlite–clinopyroxenite–gabbro complex is tectonic. As evidenced contact with |  | Halama, Ralf, Savov, Ivan P., Garbe-Schönberg, Dieter, Schenk, Volker, Toulkeridis, Theofilos (2013) Vesuvianite in high-pressure-metamorphosed oceanic lithosphere (Raspas Complex, Ecuador) and its role for transport of water and trace elements in subduction zones. European Journal of Mineralogy, 25 (2) 193-219 doi:10.1127/0935-1221/2013/0025-2281 | Journal (article/letter/editorial) | | Universität Kiel, Ludewig-Meyn-Str. 10, 24118 Kiel, Germany *Corresponding author, e-mail: rhalama@geo.uni-potsdam...investigated in this study were largely taken from a quarry that represents one of the best exposures of serpentinised...in the entire Raspas Complex (Fig. 1b, c). The quarry is located near the north-western end of the Tahuin...the Tahuin Dam quarry. (b) Metamorphosed dyke in serpentinised peridotite from the quarry near Lake Tahuin...Geowissenschaftliches Zentrum, University of Göttingen (Germany), using a laser fluorination method similar to |  | | Journal (article/letter/editorial) | | metamorphosed peridotite, dunite, and associated gabbro, all considered to be parts of an ophiolitic association...complex where the temperature was higher than the lower parts of the complex. This model explains why the...clinopyroxenite, and a metamorphosed dunite-wehrlite-gabbro complex. Also present are eclogitic rocks that...higher than that of the Northern Chichibu and the lower-grade part of the Sanbagawa belt, where typical...The degree of serpentinization is variable, and antigorite is a common serpentine mineral. From the serpentinites |  | | Journal (article/letter/editorial) | | are p r i n t e d in SMALL CAPITALS, Subjects in lower-case r o m a n , a n d localities in italics. The...Anorthosite, Nigeria, petr., significance, 193 Antigorite, infra-red spectra, I97 Aorangi gold mine, Nelson...ATKtN (D.), see LIVINGSTONE(A.), 441 Auchinstarry quarry, Kilsyth, Scotland, julgoldite, 76I Avondale, Auckland...layered gabbro, 7o3 Bramburg, Germany, tacharanite, I 13 Breitenbrumm ( - Breitenhof), Germany, helvine...Lukmanier, Switzerland, aluminian hornblende, 3o8 Gabbro, kaersutite-bearing, East Greenland, petr., anal |
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