 | | Book (edition) | | trisocta- silver hedron trisocta- gold platinum galena hedron halite for tetragonal Jor rhombic- ...base; low specific gravity and hardness, e.g., muscovite. 6) Tectosilicates, the tetrahedra of which are...halides (fluorite) and a large number of sulfides (galena, sphalerite, chalcopyrite, stibnite, pyrite, etc...objects or replacing fibers of wooden supports. Occurrence up to 3 cm (1 .1 The 8 finest crystals of...mineral, either in ciated with calcite or e Occurrence The finest dendritic and wirelike crystals come |  | | 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'+ ~ +)-...stratiform lead occurrences 90-91 Waldsassen muscovite-chloritequartz-phyllite pyrite, pyrrhotite, sphalerite...chalcopyrite, arsenopyrite, magnetite Sb-As sulphosalts, galena Maucher 1939 Wolf 1971 92 Bodenmais garnet-cordierite |  | | 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...zone, sulphur compounds (eg pyrite, chalcopyrite, galena and sphalerite) c.:hange into oxygen salts (eg...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...rusty-weathering light-greenish-gray very siliceous muscovite phyllite and semi schist probably derived from...pyrite, pyrrhotite, arsenopyrite(?), sphalerite, galena, and chalcopyrite occur in the rusty-weathering...volcanogenic deposits. Pyrite, pyrrhotite, sphalerite, galena, chalcopyrite, and possibly arsenopyrite are rarely...sphalerite, minor chalcopyrite, and sparse-to-rare galena. Barite is generally inconspicuous or minor, but |  | 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) | | bottom of the lenses in pyrrhotite-rich zones. Galena, tennantite-tetrahedrite, and arsenopyrite are...gangue minerals include barite, quartz, barian muscovite, calcite, dolomite, albite, chlorite, hyalophane...the dominantly basaltic host rocks: pervasive muscovite-rich alteration, quartz-pyrite alteration associated...and increase in the Fe, Mg, and Ba content of muscovite. The Glacier Creek deposit is transitional in...autoclastic breccia, mafic volcaniclastics, and quartz-muscovite-pyrite schists Porcupine Slate Late Triassic |  | | 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 |  | | 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...ilmenite lizardite mackinawite magnetite millerite muscovite pentlandite pyrite pyrrhotite talc Table3: Mineralsfound...fluorapatite fluorite hornblende microcline molybdenite muscovite orthoclase pyrochlore group pyrrhotite quartz...and used by Native Americans millennia ago. The occurrence of monazite-(Ce) in the Precambrian Goodrich |  | | 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...typically cleave in a certain number of directions. Muscovite, for example, cleaves in one direction, forming |  | | | | 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 (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...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...detailed descriptions. Knowledge of the type of occurrence helps to eliminate minerals that might be confused |  | | Book | | Cuprite b) Native Copper c) Vanadin" d) Sphalerite e) Galena f) Cerussite Rock-forming minerals, mafic (dark-coloured)...Plate 8 a) Dolomite b) Dolomite c) Hornblende d) Muscovite e) Biotite f) Garnet a: Plate 9 a) Tourmaline...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 |  | | Book (edition) | | Tectosilicates 397 405 423 446 356 Contents 6. OCCURRENCE AND ASSOCIATION OF MINERALS Rocks and Rock-forming...in a garden has seen minerals in their natural occurrence. The rocks of the mountain, the sand on the beach...to 2 Introduction I materials of natural occurrence. Thus, cement, plaster, and glass are not steel...face-centered lattice. This structure is also found in galena PbS, MgO and many other AX compounds. thermal...as the only form on a few minerals. The other Occurrence of Isometric Forms of the Hexoctahedral Class |  | | 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) | | ILLUSTRATIONS PLATE 11. Geologic map of Willow Creek district._______-_----__-__-_ 12. A, Chalcopyrite-molybdenite...mixed sulphides (the Eureka area in the Kantishna district, Mount Eielson, formerly known as Copper Mountain...LODE DISTRICT, ALASKA By JAMES C. KAY ABSTRACT The gold quartz veins of the Willow Creek district belong...been adequately determined in the mines of the district, because of lack of thorough crosscutting. Some...are quartz, pyrite, arsenopyrite, tetrahedrite, galena, and native gold. Gold tellurides have been reliably |  | | Book (edition) | | a general description of the association and occurrence of the minerals which etc., it contains is...general physical characters, together with their occurrence, associations, uses, etc., are included under...115 MINERALS ARRANGED ACCORDING TO ELEMENTS. OCCURRENCE AND ASSOCIATION OF MINERALS LISTS OF . Rocks...crystals of the same min- different limiting Galena, PbS, for example, usually crystallizes in the...The in- eral. a cube, but ternal structure of galena is constant, but both the cube and The Both |  | | Book (edition) | | dealing with mode of origin and localities of occurrence have been thoroughly revised. The genesis of...general description of the associa¬ tion and occurrence of the minerals which it contains is given. Statistics...general physical characters, together with their occurrence, associations, uses, etc., are included under...Arranged According to Elements .... 124 326 Occurrence and Association of Minerals Rocks and Rock-making...forms possible upon crystals of the same mineral. Galena, PbS, for example, usually crystallizes in the |  | | 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 |  | 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 (edition) | | Geological Map of Tirbin-Sododeke area, West Siang district, Arunachal Pradesh, Source: Kumar et al., (2015)...Geological Map of Tai-Tachidoni area, West Siang district, Arunachal Pradesh, Source: Kumar et al., (2015)...Photomicrograph showing altered K-feldspar in gneiss with muscovite fish, near Alangtopte (under crossnicols, 100...Chirpatiya Khal Granite in Tehri and Rudraprayag district, Uttarakhnad (Chauhan, 2015) 175 Fig.17.2.74...map of the Amritpur Granite complex, Nainital district (Singh, 1979) 178 Fig.17.2.79 Field photograph |  | | 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 |  | | 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) | | _........ _... _. _........... _. Gibbonsville district ________ .. _.... __ ............•.......... _..._............ ____ ...... _.. Elk City district. ____ . _. _.... _..... _...•.• _.......... ____ . ..... ... _.. _......... _. _.. . .. __ . . Dixie district _______________ .. .. _..... _......... _...•..._. _.... __ ... _-_ 95 96 96 98 Buffalo Hump district .... _. ___ . . .... , __ .............. ___ ...... _____ .......... _.... _. ____ Pierce district . ___ . ____ ... ____ ... _.. . ________ . .... . |  | | Report (volume) | | --. ---_--- (B) Antimony deposits of Soyatal district, State of Queretaro, Mexico, by . Donald E. White..._________________ (E) Geology of the Huahuaxtla mercury district, State of Guerrero, Mexico, by David Gallagher...Geology and manganese deposits of the Lucifer district, northwest of Santa Rosalia, Baja California,...10. Structure sections of the Soyatal antimony district.-..- In pocket 11. Geologic map of the Santa Maria...pocket 34. Geologic map of the Huahuaxtla mercury district. ________ In pocket 35. Composite map of mine |  | | Book (edition) | | Marble, Limestone 2 Gold, Silver, Copper, Sulphur, Galena, Sphalerite xill 16 17 Kiv ILLUSTRATIONS...Serpentine, Apophyllite, Chlorite, Margarite, Muscovite 273 535 Biotite, Phlogopite, Lepidolite, Actinolite.... 82 Michi- gan) ay, p.9z 5. Galena on dolomite (Joplin District, MissouriKansas-Oklahoma) p. 92...92 6. Sphalerite (Joplin District, MissouriKansas-Oklahoma) 18 ROCKS This rock is known as basalt....granite as a rule, though its texture and its occurrence are similar. Like granite, diorite is a group |  | | Report (issue) | | Basin structure Structure in the San Francisco district Geology Sedimentary rocks Geologic periods represented...relations Morehouse (?) quartzite (Silurian?) of Star district Distribution General character Conditions of deposition...Quartz monzonite of the Rocky district Quartz monzonite of the Star district Comparison of analyses Dike...82 San Francisco district 82 Beaver Lake district 86 Rocky district 87 Star district 88 Comparison of...Bismuthinite 92 Molybden i t e 92 Argentite 92 Galena 92 Chalcocite 93 Sphalerite 93 Covellite 93 G reenock |
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