 | | 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'+ ~ +)-... Waldsassen muscovite-chloritequartz-phyllite pyrite, pyrrhotite, sphalerite, chalcopyrite, arsenopyrite...arsenopyrite, magnetite Sb-As sulphosalts, galena Maucher 1939 Wolf 1971 92 Bodenmais garnet-cordierite gneiss |  | | Book (edition) | | anoctahedral sphalerite crystal and on a cubic pyrite crystal. various other properties. For example...Likewise, the striation on the cube faces of a pyrite crystal makes it possible to assign it to a lower...trisocta- silver hedron trisocta- gold platinum galena hedron halite for tetragonal Jor rhombic- ...tristetrahedron DIPLOIDAL 2/m3 C-3A2.4A3-3P tetrahedron pyrite hauerite skutterudite diploid pentagonal dodecahedron... I Example of pseudomorphism: limonite after pyrite (Brazil) transformations are possible in the laboratory |  | | 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...Gold Mines PYRITE, ARSENOPYRITE, SPHALERITE, GOLD. In quartz veins, slate and quartzite. Pyrite and arsenopyrite...are scattered through the property. The Montague district produced a total of 2 119 342 g of gold from 121...Junction, Mineville Road . Lawrencetown Gold Mines PYRITE, ARSENOPYRITE, QUARTZ CRYSTALS, CHLORITE, GOLD |  | | | | presence of certain minerals—such as chlorite, pyrite, garnet, kyanite, and staurolite—are clues that...that a rock may be metamorphic. Chlorite and pyrite grow in slate and garnet; kyanite and staurolite occur...fossilized. Its value is often ized into iron pyrite. enhanced by what it sometimes contains: fossilized...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 |  | | Book | | presence of certain minerals-such as chlorite, pyrite, garnet, kyanite, and staurolit&-are clues that...that a rock may be metamorphic. Chlorite and pyrite grow in slate and garnet; kyanite and staurolite occur...were preserved and later mineralized into iron pyrite. A Slow Transformation All marine fossils form...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 |  | | 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...1991). In these deposits, sphalerite, galena, chalcopyrite, pyrite, pyrrhotite and native bismuth occur |  | | Journal (article/letter/editorial) | | 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...(Raibl), adjacent Jugoslavia (Me~ica), and nearby Austria (Bleiberg). Three out of five important descriptive |  | | 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...oxidation zone, sulphur compounds (eg pyrite, chalcopyrite, galena and sphalerite) c.:hange into oxygen...certain mineral deposit or rock, and eliminate the occurrence of some others. Examples of associated minerals |  | 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...points of pyrite and galena constitute a linear trend. The points corresponding to pyrite from metasomatic...metasomatic ore occupy the left lower part of the trend. Galena from late gold–quartz veins shows more radiogenic...characteristics 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) | | 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) | | 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 |  | Kettanah, Yawooz, Zentilli, Marcos, Hanley, Jacob, Tweedale, Fergus (2016) Geological setting and fluid inclusion characteristics of a lead-copper-barium occurrence hosted in a Neoproterozoic mafic sill at Kiatak, Northumberland Island, Northwestern Greenland. Ore Geology Reviews, 79. 268-287 doi:10.1016/j.oregeorev.2016.05.027 | Journal (article/letter/editorial) | | inclusion characteristics of a lead-copper-barium occurrence hosted in a Neoproterozoic mafic sill at Kiatak...inclusion characteristics of a lead-copper-barium occurrence hosted in a Neoproterozoic mafic sill at Kiatak...inclusion characteristics of a lead-copper-barium occurrence hosted in a Neoproterozoic mafic sill at Kiatak...ABSTRACT AC CE P TE D We describe a Pb-Cu-Ba occurrence in Northumberland Island, Northwestern Greenland...the Franklin-Thule dike swarm (720 -716 Ma), with pyrite-bearing black shales of the Dundas Group, upper |  | | 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 |  | | 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...metatuff; but disseminations, layers, and lenses of pyrite and possibly other sulfides also occur in the carbonaceous...typify the volcanogenic deposits. Pyrite, pyrrhotite, sphalerite, galena, chalcopyrite, and possibly arsenopyrite...of pyrite, often with major amounts of sphalerite, minor chalcopyrite, and sparse-to-rare galena. Barite |  | | Journal (article/letter/editorial) | | temperatures from intersulfide fractionations (pyrite, sphalerite, and galena) range from 75° to 542°C, indicating...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...isotope-geochemical environments of zinc, lead, and pyrite ore deposition at the Bajiazi deposits. In this |  | | Journal (article/letter/editorial) | | the Dalradian metasediments where disseminated pyrite averages +6 °/oo. Baryte had 634S values averaging...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...(steel ore), carried inclusions ( < 1OO Dm) of pyrite, tetrahedrite and pyrargyrite (Fig. 2). Baryte is...Sphalerite + galena + chalcopyrite deposition sometimes with a telescoped paragenetic sequence. 4. Galena + chalcopyrtie |  | | Report (issue) | | Structure Ore deposits History and production Occurrence and character Mineralogy Tenor Origin and geologic...the remainder, one or more of the minerals pyrite, galena, sphalerite, and pyrrhotite are relatively...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. |  | | 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 |  | | Book (edition) | | minerals have been added and the localities of occurrence have been updated and expanded. The special uranium...seldom present, with a resultant paucity of occurrence) tend to be in smaller crystals. Common minerals...then your own. Your first pyrite specimen would be 2911 — 1, your sixth pyrite would receive the number...granite as a rule, though its texture and its occurrence are similar. Like granite, diorite is a group...late low-temperature minerals. The manner of occurrence is noted in the paragraph Environment in each |  | | Report (volume) | | 947-G COPPER DEPOSITS OF THE KOTSINA-KUSKULANA DISTRICT ALASKA BY RALPH E. VAN ALSTINE AND ROBERT F....showing the location of the KotsinaKuskulana .district. _______-__________--_-_--______--_- 124 21...1938. COPPER DEPOSITS OF THE KOTSINA-KUSKULANA DISTRICT, ALASKA By RALPH E. VAN ALSTINE AND ROBERT F...F. BLACK ABSTRACT The Kotsina-Kuskulana district of the Copper River region is between the Chitina River...copper ore from the district. LOCATION AND GENERAL GEOLOGY The Kotsina-Kuskulana district is between the |  | | 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... monazite-(Ce), allanite-(Ce), tourmaline, and pyrite. SERPENTINITE A widely distributed type of rock...mackinawite magnetite millerite muscovite pentlandite pyrite pyrrhotite talc Table3: Mineralsfound in S erpentinites...although it may contain minerals as concretions (e.g., pyrite and marcasite), is not made up of minerals, but |  | | 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 |  | 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) | | recognized, dominated by massive barite-sphalerite-pyrite, which is replaced at the base and center of the...lenses by massive and semimassive chalcopyrite-pyrite-quartz. The flanks and tops of the lenses are carbonate...the main “feeder zone.” Stringer-style sphalerite-pyrite mineralization occurs above and below the lenses...bottom of the lenses in pyrrhotite-rich zones. Galena, tennantite-tetrahedrite, and arsenopyrite are...trace minerals within massive barite-sphalerite-pyrite mineralization, which is generally enriched in |  | | Report (volume) | | ............................... Seven Troughs district.................................................Outlook for the district................................................. Rosebud district................................................... Red Butte district........................................................................ Chafey and the Sierra district.......................................... Kennedy................:.................-.............. Galena............................................... |  | | 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 |
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