 | | Journal (article/letter/editorial) | | the Uppermost Allochthon (UmA) mostly in northern Norway. The Neoproterozoic and Cambrian history of this...á P.M. Ihlen Geological Survey of Norway, N-7491 Trondheim, Norway e-mail: tor.grenne@ngu.no F.M. Vokes...Engineering, Hùgskoleringen 6, N-7491 Trondheim, Norway host to two characteristic types of stratabound-stratiform...20 Mt were known at the now abandoned Tverrfjell mine and the recently closed Joma deposit. Minor Cu-Ni...higher levels in the nappe pile, in southwestern Norway, the western Trondheim Region, the western Grong |  | | Report (chapter) | | allochthonous volcanic stratigraphy of the Gjersvik Nappe, central Norway* C. Halls Division of Mining Geology...nstitutt, Norges "rekniske H~gskole, Trondheim, Norway I. Ferriday Division of Mining Geology, Royal School...London, England A. Haugen Grong Gruber A/S, Joma, Norway A. Rankin Division of Mining Geology, Royal School...Lower to Middle Ordovician age defined as the Gjersvik Nappe. The rocks of this nappe are contained as...other widely dispersed volcanic exhalites in the Gjersvik Nappe, occurs within the volcanic sequence at |  | | Journal (article/letter/editorial) | | NAPPES OF THE UPPER ALLOCHTHON, • INCL.VIRISEN, GJERSVIK, AND HI•LONDA TERRANES (JNCL,VESTIGESOF OCEANICCRUST...alongthe rifled Laurentianmargin to west,the Virisen,Gjersvik,andH•londa terranes) Massiveto disseminated s...respectively. The spreadof the and at higher levels in the mine, the footwall is andRamundberget, data on plotsinvolvingNa...major deposit at L•kken in the Helonda terrane, Norway. cambrian time. A secondgroupof Cu-Zn (Bj•rlykke...described here.Smallerdeposits hosted Rocks withinthe Gjersvik terranearemultiply in volcano-sedimentary sequences |  | | Journal (article/letter/editorial) | | sub-groups identified in the data for the Sulitjelma, Gjersvik and L&ken deposits are best explained by differences...Keywords: Sulphides; S:ulphur isotopes; Caledonides; Norway; Pyrite; Metamorphism; Sulitjelma 1. Introduction...alteration, with some replacement of chlorite by sericite, and the presence of sphene and sulphides (Grenne...widespread, as at L&ken. The volcanic rocks hosting the Gjersvik deposit display a distinct bimodal character and...greenschist-lower amphibolite boundary prevailed at Gjersvik, with the widespread appearance of biotite, and |  | Hollis, Steven P., Roberts, Stephen, Earls, Garth, Herrington, Richard, Cooper, Mark R., Piercey, Stephen J., Archibald, Sandy M., Moloney, Martin (2014) Petrochemistry and hydrothermal alteration within the Tyrone Igneous Complex, Northern Ireland: implications for VMS mineralization in the British and Irish Caledonides. Mineralium Deposita, 49 (5) 575-593 doi:10.1007/s00126-013-0508-x | Journal (article/letter/editorial) | | at 2.9 % Zn, 1.3 % Cu), and around Løkken and Gjersvik (e.g., Løkken: 30.2 Mt at 2.3 % Cu and 1.8 % Zn)...intensities (e.g., chlorite– sericite–pyrite, quartz–sericite± carbonate, sericite–chlorite: Fig. 7). Variably...replacement of large feldspar laths by sericite in a groundmass of quartz, sericite/feldspar, and (patchy) chlorite...pervasive sericite-quartz-chlorite alteration facies. Complete replacement of feldspar laths by sericite. Groundmass...comprises a fine intergrowth of chlorite, quartz, sericite, and feldspar. Areas of recrystallized quartz |  | | Journal (article/letter/editorial) | | and disseminated ore zones dominated by quartz-, sericite- and Mg-rich assemblages are spatially associated...deposits whereas slight alteration to quartz-, sericite- and Fe(Mn)-bearing assemblages are present associated...Sweden; Vihanti, Finland (Mikkola, 1969); Skorovas, Norway (Halls et al., 1977); Rio Tinto, La Zarza, Spain...is present in places (Haugen deposits, Lokken, Norway). Disseminated sulphides (malnly pyrite), stringer...pyrite-chalcopyrite deposits do exist (e. g. Haugen, Lokken Norway), but are probably very rare. More distal from |  | | Journal (article/letter/editorial) | | AuGusT, 1979 No. 5 The Ore Depositsin Finland,Norway,andSweden a Review Introduction DESPITE its relative...the nickel-coppermine at four countries: Finland, Norway, Sweden, and the Vammala was increasedand the first...tectonicpositionsof the ores. The main purposeof Norway this issueof EconomicGeologyis to presentsome results...results of these investigations. This introductory In Norway, where one of the minesstill in operaarticlebrieflydescribes...ilmenite concentrate, 0.37 million (1979), thoseof Norway by Vokesand Gale (1976) metric tons of pyrite concentrate |  | | Journal (article/letter/editorial) | | of the Skorovass Pyrite Deposit, Grong Area, Norway TORE GJELSVIK Abstract The petrology, mineralogy...the same greenstone series elsewherein southern Norway, it is shown that the spilitic dispositionas known...THE genesisof the cupriferouspyrite depositsof Norway---occurring in Paleozoicformationsof submarine...beenundertaken. Four types of pyrite depositsin Norway can be distinguished: 1. Large bodiesof fine-grainedpyrite...possiblepyroclasticorigin the drill cores from the mine workings, I recorded a few small bands of amphibolitehaving |  | | Report (issue) | | minerals may include quartz, barite, calcite, gypsum, sericite, or chlorite. TABLE 1 Table 1 contains 509 deposits...metamorphic equivalents: qtz-mica schist, sericite schist qtz-feld-sericite gneiss, fel site qtz porphyry, qtz-feld...Ferruginous Hornblende Manganiferous Porphyry Quartz Sericite Volcanic Table C. CODE HOST AGE NAMES. 1 I ...RHODOCHROSITE RUTILE SULFUR SAUSSERITE ANTIMONY SCAPOLITE SERICITE SIDERITE SPECULARITE SPHALERITE STANNITE STAUROLITE...France Great Britain Guatamala Iran Ireland Japan Norway Oman Pakistan Philippines Portugal Saudi Arabia |  | | Journal (article/letter/editorial) | | Trondheim-N.T.H., Norway z Norges geologiske undersokelse, P.O. Box 3006, N-7001 Trondheim, Norway Abstract...Greenstones, Norway Fig. 1. Simplified geology of the area around Trondheim, central Norway, showing the...and Volcanic Setting of Ordovician Greenstones, Norway from massive lava at the bottom to pillow lava...fine-grained granoblastic-polygonal quartzites with some sericite, However, in outcrop they strongly resemble ribbon...alternating with thinner, darker bands enriched in sericite and actinolite. 377 Chemistry Analytical Methods |  | | Report (issue) | | Trondheim - NTH Norway S. Olerud Geological Survey of Norway Box 3006 N-7001 Trondheim Norway M. Martinsen...N-7034 Trondheim - NTH Norway F. D. Pedersen Norsk Hydro Box 200 N-1321 Stabekk Norway F. S. Nordrum The...The Norwegian Mining Museum N-3600 Kongsberg Norway H. K. Schonwandt Geological Institute University of...aa, 16H7 . t Oretlt. ft /Mm# »f.i Falu copper mine has been continuously mined for more than 900 years...Bergslagen. The most famous mining districts in Norway are Kongsberg, where silver was produced 1623-1957 |  | | Thesis/Dissertation | | time Pyrite-chalcopyrite Upper into Similar Norway; the floor lava erosion. Space, Red rocks... layer mine g34 the near the preserved sulfide deposits Whalesback Columbia. mine, 29 RAS...Creek Hidden Creek Mine: Cross-section A-A'. (In Pocket) Hidden Creek Mine: Cross-section B-B'...Cross-section Double Ed Deposit: Surface Mineralized Mine: (In Pocket) Geology. (In Pocket) Geology. A-A'...(In Pocket) Bonanza Mine: Surface Bonanza Mine: Longitudinal Bonanza Mine: Cross-section Cin |  | | Book (volume) | | B., Epithern1al Au-Ag Mineralization, Maratoto Mine, New Zealand: Stable Isotopes and Fluid Inclusions...Facies Control of Stratiform Ore at the Magmont Mine, Viburnum Trend, Southeast Missouri .. ...........volume-for-volume replacement of kaolinite by sericite and quartz. This reaction is given in equation... The first example is equation (46), in which sericite is re- placed by cassiterite and six oxygens...one would argue that the H in minerals, such as sericite and n1ontmorillonite, was derived fron1 a different |  | | Book | | Professor Dr F.M. Vokes of Trondheim University, Norway for advice on mineralization in the Oslo Graben...tectonic settings including rifts, e.g. at Fen in Norway, Alno in Sweden, Rangwa in Kenya and Ngualla in...Precambrian diamondiferous kimberlites at the Premier Mine can be linked with the nepheline syenites, trachytes...and Middle Proterozoic Shale O°] chlorite -Sericite Schist Ore | Fault Fig. 59. Sections through...sandstones. Extensive envelopes of chlorite and sericite were produced during uranium deposition and formed |  | | Report (volume) | | based on considerations that extend far beyond the mine itself, in some instances relating to the overall...subject, as in a scale model of the workings of a mine, to a unifying concept that explains or describes...government believed might someday be economic ta mine. Stratiform deposits of large areal extent, such...EXAMPLES High Plateau, Del Norte Cty, USCA Coto Mine, Luzon, PLPN (Wells and others, 1946) (LeBlanc...DEPOSITS Name Ace of Spades Adobe Canyon Gp. Ajax Alice Mine Allan (Johnson) Alta Hill Althouse Alyce and Blue |  | | Book | | base of the Complex (Vermaak, 1976). At the Atok mine, platinoid minerals tend to occur at the boundaries...below the ore zones is sporadic, with bleaching to sericite and clay minerals accompanied by disseminated...in most of the older Noranda-type depos¬ its, sericite is generally more prominent as an altera¬ tion...such as West Shasta, California (Reed, 1977). Sericite and pyrophyllite, plus quartz, hydromuscovite...Phanerozoic group, and carbonates, ajbite,\ and sericite are present as altera¬ tion products (Knopf, 1929) |  | | Report (issue) | | Polarinstitutt, Postboks 158, 1330 Oslo Lufthavn, Norway R. D. Dallmeyer Department of Geology, University...evolution of the Basal Gneiss complex, western south Norway: Journal of Metamorphic Geology, v. 1, p. 63-90...eclogites and associated rocks from Sunnfjord, western Norway: Lithos, v. 13, from the late Precambrian Sveanor...well allow correlation of terranes in southwestern Norway and north of latitude 67°50’N with those in the...passes under the Caledonian cover in northernmost Norway, and the Proterozoic basement is intensely reworked |  | Hodges, C.A., Cox, D.P., Singer, D.A., Case, J.E., Berger, B.R., Albers, J.P. (1984) U.S. Geological Survey-INGEOMINAS mineral resource assessment of Colombia. Open-File Report Vol. 1984 (84-345) US Geological Survey doi:10.3133/ofr84345 | Report (issue) | | may also be weak or absent. Pyrite along with sericite and clay may form in late stage phyllic alteration...peripheral anomaly may be closely related to late sericite-clay-pyrite alteration overprinted on a copper-gold...is continental or transitional Skarn Cu (2.6) Mine Vlejs Los Guayabas (Tollma) Cranates (Hulla) Also...Cty, CA Santa Helena, Antioquia, Colombia Co to Mine, Luzan, P.I. References Wells, F. G. et al 1946... Co, PGE Examples Sally Malay, Australia Rana, Norway References Thornett (1981) Boyd and Mathiesen |  | | Journal (volume) | | Fe-Ti-mineralizations in the Ana-Sira anorthosite, southern Norway ...................................... 56 Sobolev...geostructural areas extending to Finland, Sweden and Norway; these include the Archean folded structures of...Oslo 3, NOrJvtry Introduction The oldest rocks in Norway are encountered in East Finnmark near the northwestern...kinzigites, representing the oldest known sediments in Norway. The rocks are intruded by granites and scattered...metallogenetic province of commercial importance in Norway and can be correlated with similar deposits of |  | | Journal (volume) | | Sweden, the historical nickel mines in southern Norway , and the Räna intrusion in the orwegian Caledonides...ledon ides, Precambrian, USSR, Finland, Sweden, Norway REFERENCES: General reference: PAP UNEN, H . &... Geological Survey of Norway, Leiv Eiriksons vei 39, N-7oo0 Trondheim, Norway Geological Survey of Sweden................................ . .. . The Hitura mine .... . . .................. . ......... .. .......final phase of the work geologists from Sweden and Norway participated the preparations for the monograph |  | | Book | | Rosencrantz, 1983, in Bay of Islands; Pedersen, 1986 in Norway; Pallister, 1981; Pallister and Hopson, 1981; Smewing...here. As illustrated by the Karmoy ophiolite in Norway (Pedersen, 1986), in many ophiolites and also locally...plagiogranites from the Karmoy ophiolite, Western Norway. Contr. Mineral. Petrol., 88: 36-52. Rosencrantz...that hosts the copper mineralisations of Lasail mine. The sheeted dikes show a relative uniform orientation...units in the Honningsvag intrusive suite, north-Norway: implications for intrusive mechanisms, double |  | | Book | | belts. (4) In the 1700-1800Ma old terrain of SW Norway eclogites occur as lenses in the gneisses and in...of the Dalslandian belt in southern Sweden and Norway in terms of Himalayan collision tectonics. Zeck...Precambrian continent-continent collision in western Norway. Nature, 267: 17-19. Kroner, A., 1975. Late Precambrian...the basal gneisses in the Selje district, western Norway. J. Petrol., 19: 530-584. Leblanc, M., 1976. A...Jacobsen, J. B. E., 1967. The Geology of the Artonvilla Mine, Messina District. Ph.D. Thesis, Univ. Witwatersrand |  | | Report (issue) | | Proterozoic reworked crust of lbe Western gneiss region, Norway? The HiinaJaya bas been tilted northwards as India...facies rocks, such as the Western Gneiss Region of Norway or the Dabie ShanSulu belt of China, n1ay also...western Alps, northern Kazak.hstan. and coastal Norway that were n1eta1norphoseu under UHP conditions...local area 111 the Westen1 Gneiss Region of coastal Norway (C) (Terry et al., 2000a, 2000bJ. In the lower...local area in the Western Gneiss Region of coastal Norway C Microdiamondbearing kyanite-gamet gneiss NNW |
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