 | | Journal (article/letter/editorial) | | of the unconformity-related Pb concentrated in galena of fluorite-barite veins is correlated with late...see Walther (1981, 1982, 1983). Due to their occurrence in all geotectonic environments and lithological...50 rn L ~1~- KRANDORF _, ~ ~1Y."~1'2 %,. Austria MAiS v" ALTRANDSBERG"~.K"~%.~.~"Z~ k'+ ~ +)-...pyrite, pyrrhotite, sphalerite, chalcopyrite, arsenopyrite, magnetite Sb-As sulphosalts, galena Maucher...garnet-cordierite gneiss pyrrhotite, sphalerite, magnetite, pyrite, galena, chalcopyrite, molybdenite |  | | Book (edition) | | trisocta- silver hedron trisocta- gold platinum galena hedron halite for tetragonal Jor rhombic- ...molybdenite dihexagonal prism hexagonal prism (first pyrrhotite beryl and second order) basal pinacoid dihexagonal...others repelled (diamagnetic). Magnetite and pyrrhotite are the only common minerals of the first type...chalcopyrite is brass yellow, copper is red, pyrrhotite is bronze colored, and so on. The color of transparent...are phosphates (apatites), sulfides (pyrite, pyrrhotite), oxides (magnetite, chromite) and a few native |  | | Journal (article/letter/editorial) | | New data for the lead isotopic composition of galena from ore deposits related to 1.8-1.4 Ga granitoids...deposits is necessary. Although many hundreds of galena-bearing sulphide deposits are known in the Fennoscandian...classification has distinguished between four modes of occurrence and is based on geological, mineralogical and...distributed in the Fennoscandian Shield, very few galena-bearing mineralizations have been reported within...In these deposits, sphalerite, galena, chalcopyrite, pyrite, pyrrhotite and native bismuth occur in steeply |  | | Report (issue) | | 37 37 39 39 40 41 Walker Mine Buckingham galena occurrence Dominion Mine Road-cuts on Val-des-Monts -...Highway 309 Clinohumite occurrence Garnet occurrence des Cedres dam occurrence Parker Mine White's Mine...Canastota Mine des Cedres dam spinel occurrence Lac du Cerf occurrence km 141.7, road-cuts, both sides Highway...china clay mine Laurel diopside occurrence Lac Noir mica occurrence Kilmar Mines Dobbie Mine Brownsburg...Construction Bowesville quarry Greely Quartz Crystal Occurrence Frazer Duntile quarry Addresses for maps, reports |  | | Report (issue) | | Structure Ore deposits History and production Occurrence and character Mineralogy Tenor Origin and geologic...one or more of the minerals pyrite, galena, sphalerite, and pyrrhotite are relatively abundant, and chalcopyrite...silver is more plentiful in the veins that carry galena. As a rule oxidation has not extended far below...Libby, in an area called by MacDonald the Cabinet district. Although the survey of the Libby cuadranle, of...Columbia River. Libby, the largest town of the district, is about 35 miles by road north of the area. |  | | Report (issue) | | . . . . . ... .. . . . ...... Buckingham galena occurrence . . . . . . . . . . . . . . . . . . . . ....35....... Clinohumite occurrence . . . . . . . . . . . . . . . . Garnet occurrence . . . . . . . . . .... . des Cedres dam occurrence . Parke r Mine. White's Mine ... .. Canastota Mine .. . . .. ... . . . des...des Cedres dam spinel occurrence .. . Lac du Cerf occurrence . . . . . . . . . . . . . . . . . . . ....mine. . .. . Laurel diopside occurrence .... . . . . . Lac Noir mica occurrence .... . . .. .. . Kilmar Mine |  | Steeves, Nathan J., Hannington, Mark D., Gemmell, J. Bruce, Green, Darwin, McVeigh, Garfield (2016) The Glacier Creek Cu-Zn VMS Deposit, Southeast Alaska: An Addition to the Alexander Triassic Metallogenic Belt. Economic Geology, 111 (1) 151-178 doi:10.2113/econgeo.111.1.151 | Journal (article/letter/editorial) | | positive Eu anomaly, overlies the massive sulfide. Pyrrhotite and chalcopyrite in stringers constitute the...stratigraphic top and bottom of the lenses in pyrrhotite-rich zones. Galena, tennantite-tetrahedrite, and arsenopyrite...pyrite, chalcopyrite, and Fe-poor sphalerite. Pyrrhotite, chalcopyrite, and Fe-rich sphalerite occur at...Green (2001). (Fig. 7), and a chalcopyrite, pyrrhotite, and Fe-rich sphalerite stringer zone sits above...tuffaceous rock Resedimented baritic Massive pyrrhotite-rich Massive carbonate-barite Massive barite-rich |  | | Report (issue) | | lengthy investigation of an individual deposit or district. Despite the reconnaissance nature of our work...disseminated grains of pyrite, pyrrhotite, arsenopyrite(?), sphalerite, galena, and chalcopyrite occur in...the volcanogenic deposits. Pyrite, pyrrhotite, sphalerite, galena, chalcopyrite, and possibly arsenopyrite...sphalerite, minor chalcopyrite, and sparse-to-rare galena. Barite is generally inconspicuous or minor, but...consist almost entirely of pyrite, sphalerite, and galena, in decreasing order of abundance. Analyses of |  | | Report (issue) | | Director , . A Bulletin 849 G THE GIRDWOOD DISTRICT, ALASKA BY C. F. PARK, JR. Investigations in...PLATE 33. Geologic map and sections of Girdwood district, Alaska. _ In pocket. FIGURE 1. Index map showing...mixed sulphides (the Eureka area in the Kantishna district, Mount Eielson, formerly known as Copper Mountain... THE GIRDWOOD DISTRICT, ALASKA By C. F. PABK, Jr. ABSTRACT The Girdwood district has been known for...obtained at six different localities within the district, the rocks are considered of Upper Cretaceous |  | | Report (issue) | | mines Cochrane Hill gold mine Smithfield galena occurrence College Grant copper mine Copper Lake copper...Erinville 'Black Granite' quarry Donahue Lake occurrence Lundy road-cut Doughboy Point andalusite Port...are scattered through the property. The Montague district produced a total of 2 119 342 g of gold from 121...can readily be obtained from several dumps. The district produced a total of 26 996 g of gold from I 534...(Map-sheet 53, 1:63 360). (S): 666 Lawrencetown Gold District, Plan and Section (1 :6000). 6 km 15.6 Echo |  | | Report (volume) | | district_-_____-_-___-__ In pocket. 2. Geologic map of the Hyder district ____________________ In pocket. 3. Generalized...international boundary, was much public interest in the district aroused. To meet the call for information as to...geologist, in 1920 spent a month in field work in the district and prepared a report of his observations, which...no definite prediction as to the future of the district could be made. Enough information was obtained...southeastern Alaska, was assigned to study the district. The results of Mr. Buddington's studies, as well |  | | Report (volume) | | Director Bulletin 897 B THE VALDEZ GREEK MINING DISTRICT ALASKA, IN 1936 BY RALPH TUCK Mineral resources...map showing location of the Valdez Creek mining district. Page 110 6. Sketch map showing location of...of mines and prospects in the Valdez Creek district in 1936___-_.--_.______________ 7. Sketch map of the...VALDEZ CREEK MINING DISTRICT IN 1936 By RALPH TUCK ABSTRACT ; The Valdez Creek district is on the south...investigation of the current mining activities in the district in 1936, as a part of the cooperative program |  | | Report (volume) | | descriptions........................................... Galena Bay......................................................................................... 59 Galena Bay..............................................1908, which complete the preliminary work in this district. Should the mining interests continue to develop...far as possible the general laws governing the occurrence of the ore bodies. Incidental to this study,... facts were gathered bearing on the occurrence and extent of individual ore bodies, and many of these |  | | Report (volume) | | sulphide zones._ _ ______________________ 172 Occurrence of the copper minerals_________________ 176 Copper-bearing...Arizona__________________________ 208 Note on the Bisbee district, Arizona, by F. L. Ransome_ 209 Globe and Miami...Mexico____________________ 22J Burro Mountain district, New Mexico_____________ 222 , Cananea, Mexico...Snowstorm lode, Coeur d'Alene district, Idaho__ _ 235 Encampment district, Wyoming_____________;___ 236...Queen of Bronze mine, Oregon_________ Boundary district, British Columbia : ___ 241 241 Vancouver, |  | | Book | | Cuprite b) Native Copper c) Vanadin" d) Sphalerite e) Galena f) Cerussite Rock-forming minerals, mafic (dark-coloured)...of Crystal Twins 9 8 Plate 4 a) Pyrite b) Pyrrhotite c) Pyrolusite d) Braunite e) Psilomelane f) Manganese...proportion of them are extremely rare, both in their occurrence and distribution. It is only the specialist who...the base (or basal pinacoid) of the crystal, and galena always splits along three planes at right angles...8-sided, Octahedron 12-sided, Dodecahedron Blende Galena Diamond Garnet TETRAGONAL 3 axes at right angles |  | | Report (volume) | | the copper minerals.......................... Occurrence of the copper minerals.........................the silver minerals.......................... Occurrence of the silver minerals.........................compounds...................................... 135 Occurrence of the lead minerals...........................compounds...................................... 140 Occurrence of the zinc minerals...........................iron minerals............................. 143 Occurrence of the iron minerals........................ |  | | Book | | System of mineral classification 8 Origin and occurrence of minerals 8 Associated minerals 11 Properties...Lastly, data on the genesis, associated minerals, occurrence and application are included. The tabulated section...the minerals in this book as well. Origin and occurrence of minerals In order to gain some knowledge of...such as those of magnetite, ilmenite, chromite, pyrrhotite, chalcopyrite, pentlandite and platinum. A characteristic...zone, sulphur compounds (eg pyrite, chalcopyrite, galena and sphalerite) c.:hange into oxygen salts (eg |  | Chernyshev, I. V., Chugaev, A. V., Safonov, Yu. G., Saroyan, M. R., Yudovskaya, M. A., Eremina, A. V. (2009) Lead isotopic composition from data of high-precession MC-ICP-MS and sources of matter in the large-scale Sukhoi Log noble metal deposit, Russia. Geology of Ore Deposits, 51 (6) 496-504 doi:10.1134/s1075701509060063 | Journal (article/letter/editorial) | | deposit is located in the Bodaibo gold mining district in the northern Baikal–Patom Highland. Gold mineralization...isotope diagrams, the data points of pyrite and galena constitute a linear trend. The points corresponding...metasomatic ore occupy the left lower part of the trend. Galena from late gold–quartz veins shows more radiogenic...of ore lead, their relationships in pyrite and galena, and the mixing trend of Pb isotopic compositions...Sukhoi Log gold deposit located in the Bodaibo ore district has been discussed for more than 30 years and |  | | Report (volume) | | SMITH, Director Bulletin 626 THE ATLANTIC GOLI) DISTRICT AND THE NORTH LARAMIE MOUNTAINS PAPERS BY ARTHUR.............................. The Atlantic gold district, Fremont County, Wyo................................................. Geology of the Atlantic district......................................... Rocks...Magnetite schists in the northern part of the district.............. 16 Distribution and general character............................. North Laramie Peak district....................................... Location |  | | Book | | unusual development, as to represent a mineral occurrence worth recording. Among the major types of igneous...Oronto Group a.. 3: co w C: _J 0 0 Marquette Iron District, Baraga and Marquette Counties diabase dikes...magnetite millerite muscovite pentlandite pyrite pyrrhotite talc Table3: Mineralsfound in S erpentinites...molybdenite muscovite orthoclase pyrochlore group pyrrhotite quartz rutherfordine thorite titanite topaz tourmaline...and used by Native Americans millennia ago. The occurrence of monazite-(Ce) in the Precambrian Goodrich |  | | Report (volume) | | sedimentary rocks of the Belt Series, which in this district are 40,000 feet thick. The Belt rocks here are...formations of the same name in the Coeur d'Alene district; the Ravalli is correlated with the Burke formation...Revett quartzite, and St. Regis formation of that district. In the southwest corner of the quadrangle is...000. Their more abundant metallic minerals are galena, pyrite, and sphalerite, and their gangue is quartz...the Snowstorm dike contain, in addition, much pyrrhotite and a gangue predominantly composed of amphibole |  | | Report (volume) | | Cassiterite lode; B, Surface exposure showing occurrence of fluorite silicate rock adjoining veinlets...Geological Survey in 1900 the tin deposits of this district have been discussed in several Survey publications...that were incidental to other work, and as this district had attracted much notice as a possible source...time permitted, to determine the laws of their occurrence and origin. It was thought best to emphasize...analysis of these data, will have more value to the district as a whole than any attempt to publish a statement |  | | | | metals form compounds with sulfur (S). The sulphide galena (PbS), for example, contains lead. Oxides contain...90°. Possible Three axes of different MINERAL Galena belongs to the isometric (cubic) system. Even though...often exhibits other geometric faces. On this galena crystal (left), cubic faces are combined with ...flat layers (cleavage in one direction), while galena cleaves in three directions into cubes. The smoothness...how much is absorbed. Minerals such as gold and galena reflect Minerals that phosphoresce, or glow in |  | | Journal (article/letter/editorial) | | intersulfide fractionations (pyrite, sphalerite, and galena) range from 75° to 542°C, indicating the Bajiazi...have experienced different mineralizing stages. Galena in the Bajiazi Proterozoic sediment-hosted Pb-Zn...various ore types and host rocks within the Bajiazi district is virtually identical. Lead-isotope signa tures...both ores and host carbonates from the Bajiazi district are remarkably homogeneous in their carbon- and... Geology of the Sampled Deposits The Bajiazi district lies on the southeastern margin of an important |  | | Book | | metals form compounds with sulfur (S). The sulphide galena (PbS), for example, contains lead. Oxides contain... MINERAL MAKEUP t~.. -~ :,; t"'Jf ' . • ' Galena belongs to the isometric (cubic) system. Even though...it often exhibits other geometric faces. On this galena crystal (left), cubic faces are combined with octahedron...how much is absorbed. Minerals such as gold and galena reflect light much like a polished silver tray...formed by fluorite. PERFECT IN THREE DIRECTIONS (GALENA) GOOD INTWO DIRECTIONS (HALITE) PERFECT IN ONE |
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