 | | 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'+ ~ +)-...pyrrhotite, sphalerite, chalcopyrite, arsenopyrite, magnetite Sb-As sulphosalts, galena Maucher 1939...garnet-cordierite gneiss pyrrhotite, sphalerite, magnetite, pyrite, galena, chalcopyrite, molybdenite, fahlore |  | | Book (edition) | | symmetry: Examples of striations on anoctahedral sphalerite crystal and on a cubic pyrite crystal. various... various other properties. For example, in a sphalerite octahedron we find four lustrous faces and four striated...trisocta- silver hedron trisocta- gold platinum galena hedron halite for tetragonal Jor rhombic- ...cube gyroid HEXTETRAHEDRAL 43m 3A2-4A3 P .6P sphalerite tetrahedhte hextetrahedron deltoid dodecahedron...obtained a diffraction spectrum by x-raying a sphalerite crystal. The periodicity of the atoms in the |  | | 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...1989; Mansfeld, 1991). In these deposits, sphalerite, galena, chalcopyrite, pyrite, pyrrhotite and native |  | | Journal (article/letter/editorial) | | what conclusions, if any, may be deduced. 6. Sphalerite usually is of low iron content, but may show...the term em- 7. Coarse crystallinlty of sphalerite, galena and fluorite, especially in the usually abundant...Wisconsin-Illinois district. Usually, but with less certainty, the Kentucky-Illinois fluorspar district with its...namely on Austinville, Virginia and the Tri-State district, are accorded equal rank in Table 1 with symposium...host rocks. The surest evidence for this is the occurrence in most dis- 105 tricts of appreciable ore in |  | | 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...East. Montague Gold Mines PYRITE, ARSENOPYRITE, SPHALERITE, GOLD. In quartz veins, slate and quartzite....arsenopyrite occur as crystals and iITegular masses, sphalerite as fine-grained black patches, generally in quartz...are scattered through the property. The Montague district produced a total of 2 119 342 g of gold from 121 |  | | Journal (article/letter/editorial) | | Rockhounds Newsletter GALENA-MISSOURI'S STATE MINERAL By RICHARD E. WAGNER, E.M. Galena is a mineral consisting...attack this quite heavy subject. While most of the galena mined in Missouri has been in the form of sparse...sparse to massive disseminations in carbonate rocks, galena has a tendency, whenever open space is available...cube-octahedrons. The rhombic dodecahedron is also observed on galena but not as often as the other forms. octahedron...octahedron Dodecahedron Cubo-Dctahedrons Galena has perfect cubical cleavage. Hardness is 2.5 and specific |  | | Journal (article/letter/editorial) | | quartzite. Although only about |O.OO0 tonnes of galena were removed from the Hard Vein up to the closure...coarse galena and sphalerite with minor chalcopyrite in a quartz gangue. Later, fine-grained galena (steel...formation. Breccia development and sphalerite deposition. 3. Sphalerite + galena + chalcopyrite deposition sometimes...paragenetic sequence. 4. Galena + chalcopyrtie veins. 5. Massive fine-grained galena + inclusions. - - Pyrite...Tetrahedrite 5 4 Quartz K - feldspar -- Sphalerite Galena Barytes m - Pyrargyrite t to be of bacteriogenic |  | | Report (issue) | | Mesozoic Basins of the Eastern United States II. Occurrence Descriptions and Summary Tables by Gilpin R....MESOZOIC BASINS OF THE EASTERN UNITED STATES II. OCCURRENCE DESCRIPTIONS AND SUMMARY TABLES TABLE OF CONTENTS...Quadrangle, Latitude, Longitude .......... 7 Occurrence Type, Production ................... 7 Deposit...References Cited .......................... .13 VI. Occurrence Bibliography ...................... .14 VII...type* ......... Occurrences listed by type of occurrence and size . . Occurrences listed by metal association |  | | 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...sulphur compounds (eg pyrite, chalcopyrite, galena and sphalerite) c.:hange into oxygen salts (eg malachite...certain mineral deposit or rock, and eliminate the occurrence of some others. Examples of associated minerals |  | | Report (issue) | | lengthy investigation of an individual deposit or district. Despite the reconnaissance nature of our work...grains of pyrite, pyrrhotite, arsenopyrite(?), sphalerite, galena, and chalcopyrite occur in the rusty-weathering...volcanogenic deposits. Pyrite, pyrrhotite, sphalerite, galena, chalcopyrite, and possibly arsenopyrite...with major amounts of sphalerite, minor chalcopyrite, and sparse-to-rare galena. Barite is generally inconspicuous...lenses consist almost entirely of pyrite, sphalerite, and galena, in decreasing order of abundance. Analyses |  | | Journal (article/letter/editorial) | | from intersulfide fractionations (pyrite, sphalerite, and galena) range from 75° to 542°C, indicating the...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 |  | | Journal (article/letter/editorial) | | COOK Department of Geology Auburn University GALENA Downloaded by [University of Tennessee, Knoxville]...unusual specific gravity and perfect cleavage, galena was saved and widely traded by early man as a curiosity...to the term galena for certain lead-bearing compounds was made by Pliny in A.D. 77. Galena is best known...(144) is less common. Skeletal and reticulated galena crystals are characteristic of some deposits, and...oriented small crystals. Galena also occurs in coarse to fine granular masses. Galena is a simple lead sulfide |  | | | | 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 |  | | 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...by unli kely seeming techniques. For example, sphalerite, a major ore of zinc, has a special property |  | | Report (issue) | | Structure Ore deposits History and production Occurrence and character Mineralogy Tenor Origin and geologic...remainder, one or more of the minerals pyrite, galena, sphalerite, and pyrrhotite are relatively abundant...associated with the sphalerite, and silver is more plentiful in the veins that carry galena. As a rule oxidation...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) | | Company, through Jerry N. Biery, released two trace sphalerite occur rences near New Enterprise and furnished...furnished old reports on the Milesburg Gap and New Galena prospects. J. E. Baker Company's geologist, L. J....specific locations and samples from the Billmeyer occurrence. The Bethlehem Mines Corporation furnished the...geologist, Mike Slenker, helped bring the Oley Valley occurrence to the author's attention. The New Jersey Zinc...John Clauser (Edison quarry and especially New Galena), Thomas O'Neil (a generous selection from Lime |  | 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 (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 |  | 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) | | types are recognized, dominated by massive barite-sphalerite-pyrite, which is replaced at the base and center...Stringer-style sphalerite-pyrite mineralization occurs above and below the lenses. Fe-poor sphalerite is dominant...dominant throughout the lenses, whereas Fe-rich sphalerite occurs at the stratigraphic top and bottom of...of the lenses in pyrrhotite-rich zones. Galena, tennantite-tetrahedrite, and arsenopyrite are the most...important trace minerals within massive barite-sphalerite-pyrite mineralization, which is generally enriched |  | | 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 (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 |  | | 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...and used by Native Americans millennia ago. The occurrence of monazite-(Ce) in the Precambrian Goodrich...clinozoisite copper corundum datolite diamond galena glauconite gold ilmenite magnesite magnetite monazite...epsomite fluorite galena gypsum marcasite millerite pyrite quartz siegenite? sphalerite strontianite sulfur |  | | Report (volume) | | districts.____-_--_-----_____-______---_ Bohemia district.._i_-_-__--_---_-_--_---___-______-_____---_--...areas and mining districts Continued. Bohemia district Continued. Mineral deposits._________________...areas and mining districts Continued. Bohemia district Continued. Mines and prospects Continued. Tall...___-_-___.-______-_-_____.__________._ Quartzville district..______-_----._______-_____-.-________-_-Location...and Betty or Smith and McLeary.__________________ Galena.--_-_.-_._________-_._....____________ Golden Fleece |  | | Report (volume) | | ............................... Seven Troughs district.................................................Outlook for the district................................................. Rosebud district................................................... Red Butte district........................................................................ Chafey and the Sierra district.......................................... Kennedy................:.................-.............. Galena............................................... |  | | Report (volume) | | ORE DEPOSITS OF THE BAYARD AREA, CENTRAL MINING DISTRICT, NEW MEXICO BY SAMUEL G. LASEY Prepared in cooperation...ORE DEPOSITS OF THE BAYARD AREA, CENTRAL MINING DISTRICT, NEW MEXICO By SAMUEL G. LASKY ABSTRACT This...in the southwestern part of the Central mining district, Grant County, N. Mex. Practically the entire...wide. This zone 2 BAYAED AREA, CENTRAL MINING DISTRICT, NEW MEXICO is part of a northeastward-trending...varitextured argentiferous mixtures of sphalerite, chalcopyrite, galena, and pyrite accompanied by quartz |
|
