 | | 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 |  | Hoinkes, G., Faryad, S. W., Puhl, J., Frank, W., Melcher, F., Meisel, T. (2002) Relics of eclogite facies metamorphism in the Austroalpine basement, Hochgr�ssen (Speik complex), Austria. Mineralogy and Petrology, 74 (1) 49-73 doi:10.1007/s710-002-8215-9 | Journal (article/letter/editorial) | | Austroalpine basement, HochgroÈssen (Speik complex), Austria S. W. Faryad1 , F. Melcher2;, G. Hoinkes3 , J...Leoben, Austria 3 Institute of Crystallography, Mineralogy and Petrology, University of Graz, Austria 4 General...University of Leoben, Austria 5 Institute of Geology, University of Vienna, Austria 2 With 9 Figures Received...pargasite, tschermakite, magnesiohornblende and actinolite. In relatively fresh eclogite, edenite is a common...and texturally coexists with omphacite and garnet. An average temperature of 700 C was obtained for eclogite |  | | Journal (article/letter/editorial) | | the well-known amphibole-bearing eclogites of Carinthia, optically and chemically distinguishes the following...hornblende, kelyphitic blue-green hornblende, actinolite and tremolite, glaucophane and gastaldite. More...from which these samples were separated is given as an Appendix. Unfortunatdy x-ray data for eclogitic amphiboles...such amphiboles. Using the chemical and x-ray data an attempt is made to show the importance of amphibole...(Peck 1964, Shapiro & Brannock 1962) and five using an M.A.C. electron microprobe with a standard (Rl129) |  | | Journal (article/letter/editorial) | | Serpentinites. A plea to treat asbestiform antigorite as an asbestos group mineral in terms of its occupational...tunnelling works in the Traföß serpentinite near Kirchdorf/Styria, Austria (Kirchdorf tunnel, S35, southern...works, the antigoritic character of the Traföß serpentinite was shown by mineralogical analysis in the course...excavation materials as well as from an outcrop of this serpentinite body close to the southern tunnel portal...excavation materials. Gentle crushing of antigoritic serpentinite samples proved their strong tendency for forming |  | | Journal (article/letter/editorial) | | Mineralization during RegionalMetamorphism'The Habachtal (Austria)and Leydsdorp(Transvaal,SouthAfrica) Deposits G...ultrabasicrocks.Detailed studiesof the I-Iabachtal(Austria)and Leydsdorp(South Africa) emeralddepositsindicatethat...fluoriteswhichcoexistwith the emeraldsindicatethe existenceof an abundantnonpegmatitic fluid phaseduringthe formationof...the rimsof the emeralds--reflect their formationin an increasinglyMg- andCr-rich environment.Microthermometric...emeraldsof both depositssuggestthat they formed from an H20CO• mixedfluid phase,with a salinityof 1 to 9 |  | | 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 |  | | Journal (article/letter/editorial) | | From the Mineralogisch-Petrographisches Institut der Technischen Universit~it Braunschweig, Federal Republic...Republic of Germany, the Mineralogisches Institut der Universit~it Wtirzburg, Federal Republic of Germany... and the MineralogischPetrographlsches Institut der Universit~it K61n, Federal Republic of Germany Geochemistry...in the Habachtal Emerald Deposit, ttohe Tauern, Austria Part 1 : Presentation of Geochemical Data M. Okrusch...sequences of the type: serpentinite - talc schist - +chlorite schist or actinolite schist - biotite schist |  | | 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 |  | | Report (issue) | | ...........................................87 District of Columbia ....................................Geologic sketch map of the Inyo-Panamint talc district, California .........................32,33 6....the southern Death Valley-Kingston Range talc district, California ....................................Simplified geologic map of the Ruby Mountains talc district, Montana .......................................Simplified geologic map of the Allamoore talc district, Texas .........................62,63 11. Geologic |  | | 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 |  | | 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 |  | | Journal (article/letter/editorial) | | intrusions, rapid crustal uplift (about 1,5 kin/my) led to an increase in the geothermal gradient from < 30°C/km...considered, strike-slip faults seem to have played an important part during the late Variscan crustal evolution...Gernold Zulauf Geologisch-Pal/iontologischesInstitut der J. W. Goethe-Universit/it, D-60325 Frankfurt a. M...The deviatoric stress tensor was determined with an IBM PC using a program which was developed by Oncken...EGZ (serpentinite hornfelses; Dfirrer Schlag quarry) and b ZEV (amphibolites, Rupprecht quarry); equal-area |  | Swayze, Gregg A., Higgins, Chris T., Clinkenbeard, John P., Kokaly, Raymond F., Clark, Roger N., Meeker, Gregory P., Sutley, Stephen J. (2004) Preliminary report on using imaging spectroscopy to map ultramafic rocks, serpentinites, and tremolite-actinolite-bearing rocks in California. Open-File Report 2004-1304. US Geological Survey doi:10.3133/ofr20041304 | Report (issue) | | Ultramafic Rocks, Serpentinites, and Tremolite-Actinolite-Bearing Rocks in California By Gregg A. Swayze1....................... 4B: Details of Bear Creek Quarry area ............................................Ultramafic Rocks, Serpentinites, and Tremolite-Actinolite-Bearing Rocks in California By Gregg A. Swayze...Plumas Counties that contain serpentinite and ultramafic rocks as part of an experiment to determine if...delineate exposures of serpentine and tremolite-actinolite/talc in areas with up to 70 percent vegetation |  | | Book | | A CHANGING PLANET 11 Vanadinite, San Carlos district, Chihuahua, Mexico * 8 x 4 x 2 cm Mineral Species...combination of space for growth, sufficient time and an adequate supply of chemical nutrients. Well-formed...In the larger open spaces, the crystals can reach an impressive size. Among the many minerals found within...carbonate. Geologists can figure out how quickly an igneous rock formed by the calcium carbonate can...of its crystals. If the magma has escaped from in an ocean evaporates, the chemicals in the remaining |  | | Journal (article/letter/editorial) | | METAMORPHIC DIFFERENTIATION AT CONTACTS BETWEEN SERPENTINITE AND SILICEOUS COUNTRY ROCKS A. H. PnrruPS AND...Differentiation. . .. .. Lower Temperature Types Serpentinite Belt north of Thetford Mines, Quebec . . . Fligher...Temperature Types Vermont Mineral Products Company Quarry, Chester, Vt.. . Holden SoapstoneQuarry southeast...Conclusions Concerning Metamorphic Difierentiation at Serpentinite-Country ,, Contacts. Acknowledgments. . . 353...serpentine. Lodochnikov2 has suggestedthe term "serpentinite" for such intrusions, since the serpentine is |  | | Report (issue) | | Triassic deposits 31 Mineral localities 38 District of Columbia Mavtrl a Tirl IWlCfci JT XClilUl...(Sterrett, 1911). Figure 9. Distribution of serpentinite and locations of mines in the Soldiers Delight...« Serpentine variety picrolite from the Delight quarry, Delight, Maryland. Specimen is about 12 cm by...Maryland. Figure 17. Location of the Marriottsville quarry, Hernwood, Maryland. Figure 18. Marble (white)...Marriottsville quarry, Hernwood, Maryland. lii Figure 19. Location of the Greenspring quarry, Towson, Maryland |  | | Book | | gemologists, collectors, travelers, and anyone with an interest in the world's gemstones. Nearly all known...Garnets of East Africa 73 Rh.odolite of the Lindi District, Tanzania 76 Tsavorite Garnets 76 The Pyrope-...Tanzania 96 Red Dravite Tourmaline from the Narok District, Kenya 99 Uvite-Dravite Chrome Tourmaline 99 ...Province, Tanzania. 34 Figure 3. 7. Geologic map of serpentinite body southwest of the Gerevi Hills, near Umba...phlogopite mica found in a ruby from Mangari, Taita District, Kenya. 47 Figure 4.1. Typical Manyara (Maji Mota) |  | | Report (issue) | | Quartz-sericite schist..................... 19 Chlorite-actinolite schist................. 19 Intercalated schists......................... 38 Laterite cap on serpentinite........................ 39 Quaternary deposits...Hornblendic metagabbro..................... 59 Serpentinite.................................... 60 Lithology............................. 108 Supfa placer district.......................... 108 Puerto Antioquia...prospect............... 110 Porcecito placer district...................... Ill Iron............. |  | | Journal (issue) | | limestone of which the uppermost 40 ft. are exposed, an argillaceous bed of perhaps the same thickness and...amphibolite facies) conditions. Shortly afterwards an ultrabasic mass intruded the metasediments, truncating...minerals. The next account of the geology of the district which has been discovered is con" Chapters on...Polmally is on the north-east wrapped round with an unusually plicated bed of granular limestone, so... 1858 223) " from Loch preserved in this Museum. An X-ray powder photograph confirms ", is still : |  | | Journal (article/letter/editorial) | | Abbots Cliff, Folkestone, Kent, glauconite, 373 Actinolite, Grand Canyon, Arizona, anal., M24 Adularia,...Cornwall, sp. gr., cell-size, I51 Amphibole, see actinolite, anthophyllite, cummingtonite, gedrite, hornblende...Amphibolites, Grand Canyon, Arizona, I99 and M23 An Gearna, Ben More, Isle oj'Mull, corundophilite, 171...geochemistry of loveringite, 187 Cannington Park quarry, Somerset, djurleite, 172; durangite, 172; milarite... see EGGLETON (R. A.), 361 and M37 Cheesewring quarry, Linkinhorne, Cornwall, danburite, I7I Chernovite |  | | Journal (issue) | | ....126 by P. J. Dunn McGuinnessite from a serpentinite body in Maryland ......................127 ...project they were curious as to whether there would be an American market for such a book, even though it would...museums in the U.S. She agreed that an English edition would be an exciting and valuable thing to have...would be masked out and the presses kept rolling. An English translation would be prepared at the British...Walter Goodwin Swart, oper ating out of Denver. Swart, an experienced and respected mininj engineer, spent |  | | Journal (article/letter/editorial) | | Qtz is stable. Analyses of phase relations indicate an introduction of CO2-rich fluid into the greenschist...formed by devolatilization reactions between serpentinite and graphite - bearing metasediments. The fluid...local Xco 2 gradient between beds or zones within an outcrop or even in a hand specimen has been investigated...developing between incompatible rocks in particular, an Xco 2 gradient on a scale of centimeters or millimeters...describes another type of local Xco 2 gradient within an outcrop, which involves neither a bed to bed difference |  | | Journal (issue) | | ULTRAMAFIC ROCKS SOUTHOF SERMILIK, FREDERIKSHÅB DISTRICT, SOUTH-WEST GREENLAND BY ZDENEK WITH 36 FIGURES...ULTRAMAFIC ROCKS SOUTHOF SERMILIK, FREDERIKSHÅB DISTRICT, SOUTH-WEST GREENLAND BY ZDENEK WITH 36 FIGURES...primary ultramafics such as foliated tremolite/actinolite-bearing rocks, which formed at the outer part...eastern boundary at an altitude of 500 m is formed by a large lake which drains both to an ice-dammed lake...The highest part of the region (1200 metres) has an Alpine highmountain character. The landscape modelled |  | Gil, Grzegorz, Gunia, Piotr, Barnes, Jaime D., Szymański, Michał, Jokubauskas, Petras, Kalbarczyk-Gil, Anna, Bagiński, Bogusław (2019) Origin of Talc and Fe-Ti-V Mineralization in the Kletno Deposit (the Śnieżnik Massif, SW Poland) Minerals, 10 (1) 13 doi:10.3390/min10010013 | Journal (article/letter/editorial) | | along with talc, envelopes a tectonic slice of serpentinite. Hornblendites are interpreted as metamorphosed...intrusion, interaction with serpentinite, or due to the metasomatism of the serpentinite–gabbro assemblage. Moreover...mineralization; talc; carbonate veins; stable isotopes; serpentinite-gabbro-sediment assemblage 1. Introduction...the culmination of the Żmijowiec Rib, where serpentinite and metabasite bodies are enclosed within the...metasediments. The best described unit is the serpentinite body, which has been the subject of several |  | | Journal (issue) | | Bastnas Mines, Riddarhyttan Ore Field, Bergslagen District, Vastmanland, Sweden ........... 187 by L. Ohman...Pierre-Nicolas Schwab Orleans , France The Trimouns Quarry, Luzenac, Ariege, France ........................IIMORIITE-(Y) crystal, 2 mm-All from the Trimouns talc quarry near Luzenac, France (see the article beginning...BASTDAS ffiIDES RIDDARHYTTAD ORE FIELD, BERGSLAGED DISTRICT, VASTffiADLADD, SillEDED Lennart Ohman Hi:igviltsvagen...1 meter in the dumps, about 30 meters from the Sankt Goransgruvan mine. The zone contained many cerium |
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Serpentinite quarry, Griesserhof, Hirt, Micheldorf, Sankt Veit an der Glan District, Carinthia, Austria