 | | Journal (article/letter/editorial) | | ARTICLE Volcanic red-bed copper mineralisation related to submarine basalt alteration, Mont Alexandre...Springer-Verlag 2007 Abstract Two types of native copper occur in Upper Silurian basaltic rocks in the Mont...patches rimmed by cuprite in altered porphyritic basalt. Type 1 has higher contents of sulphur (2,000ā20...mineral inclusions of sulphide or arsenide in native copper were observed at the electronmicroprobe scale....calculated temperatures between 155Ā°C and 182Ā°C. Copper sulphides in vacuoles and veinlets are associated with |  | | Book (volume) | | Borcos Bulgaria by B. Bogdanov Greece by G. Marinos Cyprus by Y. Hadjistavrinou and G. Constantinou Mineral...Belgium; Southeast Europe includes Albania, Bulgaria, Cyprus, Greece, Hungary, Romania and Yugoslavia; and Southwest...Ilmeniteātitanomagnetite formation Porphyry copper and polymetallic copper skarn . formation with Ste polvmerilic...Dinaric metallogenic province The western Macedonian district Iron ore deposits . Manganese ore deposits Molybdenum...epoch Leadāzinc deposits Antimony ore deposits Copper ore deposits Iron ore deposits . Molybdenum ore |  | | Journal (issue) | | On the Occurrence of Native Platinum with Copper Sulphides at Congo Dam, Sierra Leone. By E. F. Stumpfl...fault scarp showing two flow units of pahoehoe basalt ā¢ā¢ vu 16 . -. ILLUSTRATIONS Vlll Plate II...escarpment north-east of Mbaruk showing the Mbaruk basalt unconformable on the Ngorika tilted horst . . ... ON THE OCCURRENCE OF NATIVE PLATINUM WITH COPPER SULPHIDES AT CONGO DAM, SIERRA LEONE By E. F. STUMPFL...magnetite and silicates have been replaced by copper sulphides (mainly bornite and chalcopyrite) and the |  | | Journal (article/letter/editorial) | | minerals Article Copper-Containing Agates of the Avacha Bay (Eastern Kamchatka, Russia) Galina Palyanova...December 2020 Abstract: The copper-containing agates of the Avacha Bay (Eastern Kamchatka...found that copper mineralization in agates is represented by native copper, copper sulphides (chalcocite...addition to copper minerals, sphalerite and native silver were also found in the agates. Native copper is localized...dendrites and crystals of a cubic system. Copper sulphides are found in the interstices of chalcedony |  | | Journal (article/letter/editorial) | | occurrences in the Lake District, and in the Caldbeck Fells area within the Lake District, respectively, and...should be consulted for further details of any Lake District mineral mentioned in our list. More than 850 species...gibbsite, etc. in fissure-fill in limestone, Woodleaze quarry, Tytherington, Avon (Alabaster, 1989a). Andersonite...Barnstaple, Devon; and localities in the Lake District, Cumbria (Ixer and Stanley, 1980). Inclusions...~tm) in galena at nine localities in the Lake District (Stanley and Vaughan, 1981). Rare isolated granules |  | | Book | | pyrrhotite plus pyrite, sphalerite and Cu-Fe sulphides. mounds with honeycomb These build up to form...superposed on basal structure situated on fresh basalt pillows or flows. Chimney spire samples show radial...precipitates hydrogenously, rather than hydrothermally, on basalt surfaces within a few metres of sulphide structures...deposits of massive sulphides overlying basal pillow lava successions in the Cyprus and Semail ophiolites...carbonatite occurrences 2 Besshi-type stratiform copper-zinc sulphides 3 Preservation potential 2 CHAPTER 5. Deposits |  | | Report (issue) | | WESTERN AUSTRALIA MINERAL RESOURCES BULLETIN 13 COPPER MINERALIZATION IN WESTERN AUSTRALIA by R. J. MARSTON...never been a major producer of copper in the national context, but copper deposits are abundant and occur...Despite the unstable nature of the international copper market, exploration interest has remained high...molybdenum may accompany copper in such deposits. The author has studied the Stateās copper mineralization and...second Mineral Resources Bulletin dealing with copper. The great advances made in understanding the geology |  | | Journal (article/letter/editorial) | | in basic igneous rocks of the Troodos Complex, Cyprus Harald G. Dill, Martin FĆ¼Ćl, and Reiner Botz With...be characterized as near neutral to alkaline. Sulphides and oxidic ore minerals are associated with zeolites...this stockwork-like mineralization, Cu- and Fe sulphides precipitated subsequently to laumontite and stilbite...are representative of mineral association I. Sulphides of this mineralization may have contributed to...zeolites, carbonates, basalt, Cretaceous, Cenozoic, Cyprus. 1. Introduction Cyprus is renowned for its |  | | Report (chapter) | | Chapter 26 Copper deposits of Myanmar KHIN ZAW1*, YE MYINT SWE2, TIN AUNG MYINT3 & J. KNIGHT1 1 CODES...account of the copper deposits and occurrences in Myanmar. Myanmar has more than 70 copper occurrences,... Myanmar commenced copper production with the development of the Sabetaung copper deposit at Monywa in...in central Myanmar. Copper matte was produced as a by-product from the Bawdwin Mine, a volcanic-hosted...exploited. Copper is associated with epigenetic vein-type and epithermal gold Ā± silver deposits. Copper-bearing |  | | Report (issue) | | PROJECT REPORT Pakistan Investigations (IR)PK-4 COPPER, LEAD, ZINC, ANTIMONY, AND ARSENIC IN PAKISTN ...:: :: :: :: :: :: :: 10 DESCRIPTION OF COPPER LOCALITIES :: i: :: :: :: :: :: :: ::...:: :: :::::: Base sheet A, Pakistan, showing copper (Cu), Lead (Pb), and Zinc (Zn) localities :: ::...:: :: :::::: Base sheet G, Pakistan, showing Copper (Cu) Lead (Pb), and Antimony (Sb) localities ::...:: :: fc 5. .Base sheet D, Pakistan,showing Copper (Cu) Lead (Pb), and Antimony (Sb) localities :: :: |  | | Book | | zones. a. MASSIVE QUARTZ VEINS Quartz, micas, sulphides b. REPLACEMENT PEGMATITES (non-vuggy) Quartz...Hausmannite, bcmentlte, braunite, jacobsite, crednerite, copper, chalcocite, chalcopyrite,alabandite, hibschite...Quartz, calcite, zeolites, opal, pyrite and other sulphides, clays, chlorĀ ite, aragonite, apophyllite, prehnite...Uraninite, coffinite, magnetite, quartz and various sulphides g. CINNABAR-REALGAR VEINS Cinnabar, realgar, meta-cinnabar...phillipsite, quartz, chabazite, lauraontite, apophyllite, copper, thomsonite, analcime, epistilbite, pyrite, orthoclase |  | | Journal (issue) | | specimen. 5 PEGMATITE MINERALS FROM CI-IYWOON QUARRY The UK Joumal efMines a11dMinerals publishes articles...Stephen Burchmore ā¢ David Green NEW CLIFFE HILL QUARRY 43 The views and opinions expressed in this Journal...ALGODONITE AND DOMEYKITE FROM NEW CLIFFE HILL QUARRY Publication of information on a collecting site...colour zoned specimen from the little known Vaynor Quarry near Merthyr Tydfil and a group of purple cubes...gone into building it. It forms part of the Lake District Natural History Gallery, which gives an excellent |  | | Book | | Evgeny Sidorov, Andrey Borovikov and Yurii Seryotkin Copper-Containing Agates of the Avacha Bay (Eastern Kamchatka...et al. [7] present the results of studies of the copper-containing agates from the Avacha Bay (Eastern...the copper minerals in agates from this location are native copper, cuprite, and various copper sulļ¬des...these agates. The native copper crystallized simultaneously with early silica. Copper sulļ¬des in the pore... G.; Sidorov, E.; Borovikov, A.; Seryotkin, Y. Copper-Containing Agates of the Avacha Bay (Eastern Kam-chatka |  | | Book | | Precipitated syn-sedimentary metal deposits Epigenetic sulphides with syngenetic connections Some conclusions ...INTRODUCING ECONOMIC Ores and intrusives 5.1 Porphyry copper deposits 5.2. 5.3 Contact metamorphic deposits... 5.4 5.5 Pegmatites Magmatic segregation of sulphides 5.6 Chromium deposits Prospecting for ores...BC. Grimes Graves in Norfolk was one important district; there, ancient underground workings occur over...INTRODUCING ECONOMIC GEOLOGY The first metals Copper was the first metal to be used, dating back well |  | | Book | | classification. For example, volcanic-sedimentary massive sulphides are discussed in both Part II and Part III; vein-type...consider all scales of response around massive sulphides in one section). It was concluded, however, that...whether the genetically associated mineralization is copper porphyry or vein and replacement deposits within...(Chapter 9), and volcanic-sedimentary massive sulphides (Chapters 10, 11, and 12). The relatively large...large amount of space devoted to massive sulphides reflects both the amount of published data available |  | | Report (chapter) | | diorite-type porphyry copper and gold, Kuroko-type zinc-copper-lead sulphides, mercury, native sulphur-pyrite...sulphur-pyrite and Besshi-type cupriferous sulphides. The second, characterized by a continental margin type...continental crust, includes associated porphyry copper and molybdenum and, locally, tin-tungsten deposits...the plate margin into continental crust comprises copper-molybdenum, silver-lead-zinc, tin-tungsten and...are emplaced in this setting. Centres of porphyry copper mineralization may be controlled locally by transform |  | | Book | | with basic and ultrabasic rocks, 77 Orthomagmatic copper-nickel-iron (-platinoid) deposits associated with...are chalcopyrite and galena from which we extract copper and lead respectively, and important among industrial...investments. For example, to develop the large RTZ copper-gold mine at Bougainville, at 1979 prices. Papua...supplies, equipment costs, geographical location, 2 Copper - average monthly LME cash wirebar price ae T...1977 terms actual prices, and Average prices of copper, lead and zinc during a recent decade showing |  | | Report (issue) | | MOFFIT. INTRODUCTION. The mineral deposits of the Copper River basin, particularly of Chitina Valley, have...deposits that are already of economic importance. Copper, gold, and silver are the only commercially valuable...valuable minerals that have yet been produced in the district under consideration. They are named in the order...and the value of the copper far exceeds that of the gold and silver. Both copper and gold are mined for...almost wholly in connection with the mining of copper, although a much smaller quantity is obtained from |  | | Report (edition) | | Peninsula II Mount's Bay 1 4 III St. Agnes District IV Falmouth Bay V The Lizard Peninsula REFERENCES...Megiliggar Rocks 23 13. Map of the St. Agnes district 26 14. North-south cliff section through the...The area is famous for its deposits of tin and copper, which have been worked since prehistoric times...is nowadays only exploited in the St. Austell district and at Lee Moor, further east in Devon. Accounts...light-coloured albitised rocks (adinoles). In a small quarry overlooking North Zawn, on the north side of Kenidjack |  | | Book | | 19 29 31 34 44 53 53 54 55 55 Native elements Sulphides Halides Oxides and hydroxides Carbonates, borates...production clearly ranked with that of food supplies. Copper and gold were the first known metals. Gold occurs...metal tools were made of copper, occasionally found native, but pure copper is also too soft. Only by...pure metal. In order to obtain copper in sufficient quantities copper ores had to be found and smelted...smelted. Remains of Bronze Age copper mines can be found, for instance, in various parts of the Austrian Tirol |  | | Journal (article/letter/editorial) | | displayed by both mineralogy and textures of sulphides from the Lahanos and I...zonation is from an upper zone of massive Cu and Zn sulphides (black and yellow ore) with fine-grained, colloform...present observations. Although ultra-fine-grained sulphides, framboids, and radially-cracked spherules could...thus seems likely that the finegrained colloform sulphides, including chalcopyrite, sphalerite, and tennantite...operating after formation of the original layered sulphides. These conclusions are in agreement with those |  | | Journal (article/letter/editorial) | | carbonates have been observed in association with sulphides below the platiniferous JāM Reef of the Stillwater...association of high-temperature carbonates with sulphides beneath the JāM reef supports the hydromagmatic...fluid percolating upwards, dissolving PGE and sulphides and redepositing them at a higher stratigraphic...87, 1401ā1409. Chemical and isotopic study of sulphides from conglomerate group ore, Navan, Ireland G... Microprobe analysis was carried out on iron sulphides from CGO and ore-barren BC. Samples deviate from |  | | Report (chapter) | | metal Au) lies west of the main Moroccan Bleida copper deposit (1981ā 1991) in the central Anti-Atlas...zones. Gold is accompanied by small amounts of copper sulphides (,1% modal chalcopyrite). Scanning electron...surficial alteration also caused leaching of Cu-sulphides, which may explain their low abundances in the...Anti-Atlas of southern Morocco is a longstanding goldācopper province (Leblanc & Lancelot 1980). One of its...its more notable systems is the Bleida copper deposit, which was mined from 1981 to 1997 (Leblanc & Billaud |  | | Report (issue) | | . . . . . . . . . . . . . . . . . . . . . . . Copper . . . . . . . . . . . . . . . . . . . . . . . ...Districts previous to the development of Regional and District Municipalities. West Half. . . . . . . . . . ... Districts, Regional Municipalities (RM), and District Municipalities (DM) . . . . . . . . . . . . ....under each species are broken down by county (or district), township, con cession, and lot, and finally...Topographic Map number) CO. OR DIST. (County or District) TP. (Township) CON. (Concession) LOT NAME: (Occurrence |  | | Journal (issue) | | SOCIETY CONTENTS VOLUME 4, PART 2, 1992 Supergene copper mineral assemblages at Botaliack, St Just. Cornwall...Russell Soc ., 4( 2) , 45- 53 ( /992) . SUPERGENE COPPER MINERAL ASSEMBLAGES AT BOTALLACK, ST JUST, CORNWALL...Isles. This assemblage differs from the secondary copper mineral assemblages observed in material from the...hypogene copper lodes. INTRODL'CTION Botallack mine (SW 363 336) in the St Just mining district, Cornwall... .F lGURE 1. Schematic geology of the St Just district (after Jackson et 01., 1982). The origin of the |
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