 | | 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 |  | | Book (edition) | | trisocta- silver hedron trisocta- gold platinum galena hedron halite for tetragonal Jor rhombic- ...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...deposits, formed at high hydrothermal conditions. Occurrence The main gold-bearing temperature under districts |  | | 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 |  | | 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...celestine chalcopyrite dolomite epsomite fluorite galena gypsum marcasite millerite pyrite quartz siegenite |  | | 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 | | . . . . . . . . . 5.2.32 The Pharaonic Mining District in Wadi el-Sid . . . . . Middle Central Group...(signed by whiting) in the Eleiga gold mining district, Egypt. Pre-to Early dynastic Period Arab Period...mineralisations (mainly chalcopyrite and chalcocite next to galena, sphalerite and pyrite), which due to surface alteration...the alluvium that were specific to each mining district. Quarrying the wadi alluvium for gold involved...consisting of processed sand residues. El-Sid mining district, Egypt 1.5 Ptolemaic Period (~300–30 BC) To |  | | Report (issue) | | furnished old reports on the Milesburg Gap and New Galena prospects. J. E. Baker Company's geologist, L....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...Hares Valley study), Fu-Tzu Hsu (Mount Eagle occurrence), M. Dennis Krohn (prospect northeast of Curtin |  | | Book (edition) | | Marble, Limestone 2 Gold, Silver, Copper, Sulphur, Galena, Sphalerite xill 16 17 Kiv ILLUSTRATIONS.... 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...late low-temperature minerals. The manner of occurrence is noted in the paragraph called “environment” |  | | 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 volume) | | ORES Da oe ane eeer aee Goonumbla porphyry copper district — Endeavour 26 North, Endeavour 22 and Endeavour...but at deeper crustal levels. Only one local occurrence of felsic or acid volcanics has been recognised...uraninite, chalcopyrite, pyrite, covellite, sphalerite, galena, chalcocite, bornite, chlorite, carbonate, fluorite...as young as Tertiary. Similarities in breccia occurrence and mineralisation have been recognised between...northern Yorke Peninsula, in the Moonta—Wallaroo district, the principal rock types include a schist-gn |  | | Report (issue) | | _- - - - - - - - - - - - Area of discontinuous occurrence of the member ____________________________ _...Canyons-------------------Area of nearly continuous occurrence of the member ____________________________ _...are described separately. AREA OF DISCONTINUOUS OCCURRENCE OF THE MEMBER Most localities of uraniferous...the member ultimately pinches out. A similar occurrence in the White Canyon area, Utah (fig.1), is reported...schoepite, becquerelite, sklodowskite, alunite, lepidocrocite, gypsum, and basic copper sulfates. Many fractures |
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