 | | Journal (article/letter/editorial) | | Gilgen Windows Alps-The Hallein District I . Alps-The Hallein District II . Alps-The Lammertal and Gosau...74 81 85 91 95 99 108 112 113 121 125 ABSTRACT: An itinerary and outcrop description is given for thirteen... near Salzburg, the next five on Spittal, in Carinthia, and the last two on Leoben and Vienna respectively...Geologists' Association 1966 Field Meeting in Austria. The form of the orig inal Guide has been retained...exposures visited by the 1966 party are indicated with an asterisk. The attractions of superb scenery and traditional |  | | Book | | for within several months they asked me to render an opinion as to its suitability for translation and...neglecting the truly important European localities. As an amateur handbook, this one makes no pretense at being...method of indicating increasing quality by the use of an increasing number of exclamation points within parentheses...version are truly those intended in the original. As an outgrowth of this study a number of errors in the...renditions are all the more remarkable because he is an ardent amateur mineral collector and is therefore |  | | Book | | wirtschaftliche Bedeutung • Geologie der ~~gerstätten • Geschichte der mineralogischen Erforschung Osterreichs...Sammlungswesen und Mineralienhandel mit Lexikon der Mineralien Österreichs 12 Tabellen und 80 Abbildungen...REINHARD EXEL, Jahrgang 1947. Studium der Erdwissenschaften an der Universität Innsbruck. Praktische Arbeiten...Umweltgeologe bei der Südtiroler Landesregierung in Bozen, als Lagerstättengeologe bei der Geologischen Bundesanstalt...Bundesanstalt in Wien und als Betreuer der mineralogisch-petrographischen Sammlungen des Tiroler Landesmuseums |  | | Book (edition) | | groups: The number of new mineral species may grow as an avalanche, flooding the mineral population with tens...lepidolite, wolfrarnite). In many cases, minerals have an intermediate composition between theoretical end-members...to crystallographic tenns (e .g. prismatine), to an organization (e.g .. mgriite). to a journal (minrecordite)...form. Many minerals display characteristic twinning, an intergrowth of two or more individual crystals of...Miller indices are used. For instance, the symbol for an orthorhombic dipyramid form is { 111}, for a hexagonal |  | | Journal (article/letter/editorial) | | mineralization at Flatschach (Eastern Alps), Austria Johann G. Raith 1 & Thomas Leitner 3 & Werner H...mineralization in the historic Flatschach mining district (Styria, Austria) occurs in a NE–SW to NNE–WSW oriented...Leoben, Leoben, Austria 2 Pezoltgasse 46, A-5020 Salzburg, Austria 3 Salinen Austria AG, Bad Aussee...Aussee, Austria chalcopyrite with pyrite or arsenopyrite. Sericite-carbonate alteration is developed around...composition of gold. Unique about the Flatschach district is the lower-temperature overprint of copper arsenides |  | | Report (issue) | | Loch Doon granitoid complex, south-west Scotland An airborne geophysical survey of the Whin Sill between...Unst, Shetland Islands An appraisal of the VLF ground resistivity technique as an aid to mineral exploration...serpentinites, Loch Lomond 8 5 Cr values of carbonated serpentinite in northern belt at Balmaha, Loch Lomond 9 6...Lamond investigated major faults and altered serpentinite bodies. The areas discussed in this report lie...will be presented separately at a later date. Serpentinite bodies at the Highland Boundary in the Loch |  | | Journal (article/letter/editorial) | | Petrology © by Springer-Verlag 1992 Printed in Austria Rare Earth Element Fractionation in Metamorphogenic...magnesite and Hiittenberg siderite deposits, both Carinthia, Austria, are discussed and shown to be of non-sedimentary...metasomatic origin. Zusammenfassung Fraktionierung der seltenen Erd-Elemente in metamorphogenen hydrothermoclen...die Fluidphase wfihrend der Mobilisierung der Lanthaniden, der Migration und der Minerogenese ausgesetzt...1991. 232 M. Bau and P. M611er Mobilisierung der Lanthaniden bei erh6hten Temperaturen durch eine |  | | Journal (article/letter/editorial) | | must have existed much earlier, leading, in 1609, to an announcement forbidding the excavation of crystals...with the attempt to extract quartz crystals from an Alpine fissure. The blade remained in the fissure...particular sulfosalt minerals from the Lengenbach quarry in Binntal-which, at least in part, are still valid...mineral locality in the Alps, namely, the Lengenbach quarry in Binntal. In 1958, due to the initiative of Prof...distinctive sulfosalt minerals from Lengenbach quarry accessible to modem research. The syndicate has |  | | Journal (article/letter/editorial) | | additionminablezonesof albitizedwall-rockgraniteore contain an averageof 0.2 ouncesof gold per ton. In the veinsmost...Beyond the fringesof the main alterationenvelopesis an outeressentially pervasivealterationzone, characterizedby...early discovered in the subsurface in the 1950s. An addi- tional5,000 ouncesof goldhasbeenrecoveredfrom...GRANITE, ORIENTAL MINE, CALIFORNIA ALLEGHANY DISTRICT i FOOTHI LLS FAULT ,•BRUSH M. 2177 1 mile...Suchgranite oresare not known to occur elsewhere in the district. icallyseparated districts(Fig. 1) are probablysimilar |  | | Report (Issue volume) | | main groups. In general, the host rock age provides an older limit for the age of ore, but the younger limit...unmetamorphosed Paleozoic rocks. For most of these deposits, an age younger than Paleozoic has not been established...to establish for some within the Triassic group. An unclassified group of five deposit types is not assigned...mine and the chromite deposits of the State Line district follow at $5-7 million. The Phoenixville type...23 24 25 26 27 28 29 30 Bonneaughtown Teeter's quarry Gettysburg Hunterstown Near Heidlcrsburg Center |  | | Report (issue) | | GOLD QUARTZ VEINS AT THE ORIENTAL MINE, ALLEGHANY DISTRICT, CALIFORNIA by J.K. Bohlke 1 , R.M. Coveney, Jr...GOLD QUARTZ VEINS AT THE ORIENTAL MINE, ALLEGHANY DISTRICT, CALIFORNIA J.K. Bohlke, R.M. Coveney, Jr., R...Barnes INTRODUCTION The Oriental mine, Alleghany district, California, contains one of the geologically...serpentinized throughout the district. Locally (near the veins) serpentinite was progressively altered to...ultramafic rocks in the district (Ferguson and Gannett, 1932). The altered serpentinite resembles the carbonate- |  | | Journal (article/letter/editorial) | | worldwide. Detailedanalyses ofalteration halosin serpentinite, maficamphibolite, andgranitewallrocksat Alleghany...relativelyimpuresideriteandK micathatcharacterize proximal serpentinite zones. Partlyasa resultof divergentreactions...response to dolomitization andsericitization of serpentinite (fluid acidification?). Strata-bound disseminated...the wall rocks. thermalsystems,especiallythat of an externallydeMore recentlyit hasbeen suggestedon a...Hydrothermal sericite from the Oriental vein yielded an average Geologyof Mineralization 4øAr/a9Ar ageof |  | | Journal (article/letter/editorial) | | magnesite-siderite and dolomite-ankerite series from a variety of different wall rocks yield an empirical phase diagram...reacted with higher Fe/(Fe + Mg) rocks to form ankerite + pyrite assemblages. Gold precipitated from saturated...KISTLER, 1986; BOHLKEet al.. 1988). In the Alleghany district, several Au-quartz veins occupy reverse faults...alteration Series of alteration reactions in serpentinite, mafic amphibolite, and granite wall rocks involved...1988). The alteration reactions seem to indicate an approach to equilibrium between the wall rocks and |  | | Journal (article/letter/editorial) | | perspectives on terminology and mineralogy with reference to an occurrence at Cregganbaun, Co. Mayo, Republic of...Talc (fuchsite), ankerite, magnesite, ferroan dolomite, quartz, pyrite, etc. Serpentinite Discussion of...magnesite (locally) Quartz carbonate rocks Altered serpentinite Berkutskaya Gora Berezovsk ore field, the Saymonovst... All the processes involved in carbonatized serpentinite: talc-carbonate rocks, quartzbreunnerite and...mica) Skarn in contact between ultramafics and serpentinite Altered ultramafics and mafic rocks, diabase |  | | Journal (article/letter/editorial) | | interaction in the subduction channel François van der Straaten a,⁎, Volker Schenk a, Timm John b, Jun Gao...mobility Fluid–rock interaction Subduction channel Serpentinite A B S T R A C T Chemical changes associated...glaucophane-dominated blueschists (inner shell) and phengite–ankerite blueschists (outer shell) replacing omphacite...to a composition of the infiltrating fluid that has an affinity to fluids derived from serpentinites, i.e...blueschists points to an addition of a sediment-derived component in the serpentinite-derived fluid. The pronounced |  | | | | THE WORLD OF NATURE | In full colour-an introduction to the composition, beauty and structure of our...collections in the world, and this book provides an opportunity to study at leisure some of the best...anhydrite 55 byssolite 100 cabrerite 70, 73 ankerite 44, 45 diopside 96, 96 anorthite 112, 1/3 cainite...block of pyrite and analyze them, they should have an identical chemical composition, and the same should...physics that true ‘solid’ bodies are those that possess an internal structure of atoms linked together in a |  | | Report (edition) | | Crystal . . . . . . .. Diagra1natic Sketch of Brinton Quarry Pegmatite Graphic Granite Geologic Cross-Section...Pseudomorphs of Deweylite after Aragonite. Cedar Hill Quarry . . . . . . . Calcite Crystal Forms "Picrolite"...years, mineral collec'ting has become a hobby for an increasingly large number of people. The Pennsylvania...good collecting localities. We are not attempting an exhaustive treat1nent of Pennsylvania's mineral occurrences...permission from the owners of the land, or from the quarry and mine operators, before entering to collect |  | | Report (issue) | | Graywacke6 53 Ore deposits 6 Quartz-dolomite and quartz-ankerite rock (lapa 53 Gold 6 23 seca) 6 53 6 Morro Velho...metasedimentary and meta volcanic schists and phyllites, with an estimated minimum thick ness of 4,200 meters. Iron-formation...graphitic quartz ite, graywacke, quartz-dolomite-ankerite rock (lapa seca), sericitic quartzite, and a locally...carbonate-facies iron-formation of the Lake Superior district. This rock was the host rock for gold-sulfide...the Nova Lima quadrangle. The quartz-dolomite-ankerite rock (lapa seca ) is a recrystal lized quartz-carbonate |  | | Report (edition) | | microscope by D.M. Lapham of a thin slice of serpentinite from Lancaster County showing olivine (blue-green...the hobby of mineral collecting has been growing at an accelerated pace. To keep up with the demand for...County, the Stillwell quarry in Lancaster County, and the Medusa Cement Company quarry in York County, are...Zircon Crystal 50 Diagramatic Sketch of Brinton Quarry Pegmatite 53 Geologic Cross-Section of West ...84 of Deweylite after Dolomite, Ceclar Hill Quarry 89 _ Limonite Pseudomorphs from Chestnut Hill |  | | Book (volume) | | non-metallic mineral deposits of Europe, includes an introduction by W. E. Petrascheck on the geotectonics...European ore deposits knows the frustrations that such an endeavour entails. No concise, comprehensive description...private libraries. A worldwide demand exists for an authoritative but compact treatise on the mineral...deposits knows the frustra- volume tions that such an endeavour entails. No concise, comprehensive description...private libraries. A worldwide demand exists for an authoritative but compact treatise on the mineral |  | | Book | | Institut fiir Allgemeine und Angewandte Geologie der Universitit, LuisenstraBe 37, 8000 Miinchen 2, FRG...Hans-Jochen Schneider Institut fiir Angewandte Geologie der Freien Universitat WichernstraBe 6, 1000 Berlin 33...English language, certainly for some of the authors an additional labour. The editors are indepted to all... Hans-J. Schneider Yo aera ior ; eiety See) an, eet Phy SEAS gather Wihibitp R ll atgeraed vores...in China. J. Pereira. With 19 Phase Boundaries as an Instrument for Metal Concentration in Geological |  | | Report (issue) | | Southern Cross Province, Yilgarn Craton Ravensthorpe district ................................................magnesite from Corrigin, Kumminin, York, Bamboo Creek an ...................................................is located at Pinnacle Well, near Leonora, and has an inferred resource of 10 Mt. Magnesite Magnesite...Pallinup Siltstone. The Pallinup Siltstone deposits have an estimated recoverable resource of 1.3 Mt, and residual...deposits related to ultramafic and mafic rocks have an inferred resource of 300 000 t. Another important |  | | Field Trip Notes | | Field Trip Program Mother Lode '94 Bakersfield District Office Bureau of Land Managmement 3801 Pegasus...passes through nine counties, each of which represents an important part of the sierran Gold Belt (49). This...even more productive Grass Valley-Nevada City district and other gold-bearing areas of the northern Sierra...continuous strip through the Sierran Gold Belt and cover an area a few miles wide on either side of Highway 49...use continuously since that date. The town lies at an elevation slightly above 2000 feet in a northwesterly |  | | Report (Issue volume) | | by the necessity of having its contents conform to an orderly publication format. Because of this restriction...Shale Brick Corp. Fenati Brick Co., Inc. Midland Quarry, McQuiston Coal Co. Veon Mines, Ralph A. Veon,...FIRE CLAY o - OTHER CLAY r-o - MAP 6 0 F I R E AN D 0 THE R C LAY r-oo f~ ~~ ~~~~ FF FF FF F ...main groups. In general, the host rock age provides an older limit for the age of ore, but the younger limit...unmetamorphosed Paleozoic rocks. For most of these deposits, an age younger than Paleozoic has not been established |  | Vikent'eva, Olga V., Bortnikov, Nikolay S., Vikentyev, Ilya V., Groznova, Elena O., Lyubimtseva, Natalya G., Murzin, Valeriy V. (2017) The Berezovsk giant intrusion-related gold-quartz deposit, Urals, Russia: Evidence for multiple magmatic and metamorphic fluid reservoirs. Ore Geology Reviews, 91. 837-863 doi:10.1016/j.oregeorev.2017.08.018 | Journal (article/letter/editorial) | | 1016/ j.oregeorev.2017.08.018 This is a PDF file of an unedited manuscript that has been accepted for publication...("krassyk" veins) formed in the following four stages: ankerite-quartz, quartz-pyrite, gold-polymetallic and carbonate...orthoclase + carbonate), beresite (quartz + sericite + ankerite + pyrite) and listvenite (quartz + Fe-Mg carbonate...the most abundant minerals are quartz, calcite, ankerite, pyrite, galena, tennantite, chalcopyrite, aikinite...melting due to combination of radiogenic heating of an overthickened sialic crust, local underplating by |
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