 | | Journal (article/letter/editorial) | | Geology, v. XXX, no. XX, pp. XāX EXPRESS LETTER ROSEN, BULGARIA: A NEWLY RECOGNIZED IRON OXIDE-COPPER-GOLD...Capital Inc., 6th September Street 13A, Sofia 1000, Bulgaria of Earth and Atmospheric Sciences, University...T6G 2E3, Canada Abstract The Rosen copper veins in southeastern Bulgaria are recognized for the first...along the western contact of the syenite-dominated Rosen pluton, inferred to be part of a large ring dike...monzosyenite from the Rosen pluton. The mineralogic and compositional features of the Rosen district are comparable |  | Schofield, Marina D., Gibson, Harold.L., Lafrance, Bruno, Poulsen, K. Howard, Marsh, Jeffrey, Hamilton, Michael A., JĆørgensen, Taus R.C. (2021) Recognizing subsurface breccias in Archean terranes: Implications for district scale metallogeny. Precambrian Research, 361. 106264pp. doi:10.1016/j.precamres.2021.106264 | Journal (article/letter/editorial) | | porphyritic rhyolite dike (Quemont feeder dike; De Rosen Spence, 1976; Lichtblau and Dimroth, 1980). Lichtblau...constructed the Noranda volcanic complex and associated ore deposits. Ultimately, using the Joliet Breccia as...Superior Province (Fig. 1). Volcanic rocks of the district comprise the Noranda Subgroup (De Rosen Spence...into informal lithostratigraphic formations (De Rosen Spence, 1976; Gibson, 1990) and subsequently into...volcanic complex comprises the Noranda Subgroup (De Rosen Spence, 1976; Goodwin, 1980) of the Blake River |  | | Book (volume) | | Ostrosi Romania by V. Ianovici and M. Borcos Bulgaria by B. Bogdanov Greece by G. Marinos Cyprus by...to gather information on the geology of European ore deposits knows the frustrations that such an endeavour...borates, potash, salt, diamond, graphite, quartz, calcite spar, mica, feldspar, asbestos, talc, baryte, fluorite...to gather information on the geology of European ore deposits knows the frustra- volume tions that such..._ Belgium; Southeast Europe includes Albania, Bulgaria, Cyprus, Greece, Hungary, Romania and Yugoslavia; |  | | Journal (article/letter/editorial) | | structural control on the mineralization: much of the ore is situated in quartz-carbonate shear and extension...most of the large, prolific veins at the McIntyre mine occur along flow contacts marked by carbonaceous...flow contacts, and Dunbar (1948) observed that the ore favors the upper part of the Tisdale group (now Tisdale...angular porcelainic fragments or shards. The McIntyre mine geologists (Griffis, 1962) divided the V10 into...into the V10a, b, c, and d, whereas at the Dome mine (Ferguson, 1968) they are loosely correlated with what |  | | Journal (article/letter/editorial) | | thelocationofthecentralNorandavolcanic complex. Modified fromde Rosen-Spence (1976).Rectangle outlines the NewVauze-Norbec...preserved.The metamorphic within the ā¢3,000-m-thick Mine sequence,a cauldron-fillsuccession consisting of...andesites, rhyolites, and minor volcaniclastic rocks(de Rosen-Spence, 1976; Dimroth et al., 1982; Gibson,1990)...ā¢ ā¢ ."ā¢ Lamprophyre Granodiorite Diorite Ć ā¢ Mine shaft Massive sulfide Feeder dike Rhyolite Jā¢J...to the WaiteRhyoliteformation. Ten flowunitsof Rosen-Spence bodies0.5 to 5 km long.Individualflows this |  | | Journal (article/letter/editorial) | | chemical changes in the alteration zone at the Norbec mine, Noranda, Quebec N.A. Shriver* and W.H. MacLean...below massive sulphide Zn-Cu ores at the Norbec mine in northwestern Quebec was outlined from drill core...was + 5.8 x 10 6 tonnes; inclusion of the massive ore lens yields a flux of + 9.6 ā¢ 10 6 tonnes for the...springs to form conformable lenses of massive sulphide ore (Franklin et al. 1981; Lydon 1984, 1988). The alteration...chemical components (the chemical flux) during the ore forming process been measured. It is now possible |  | | Journal (article/letter/editorial) | | Ore Geology Reviews 35 (2009) 4ā46 Contents lists available at ScienceDirect Ore Geology Reviews j...calderas are ļ¬rst order sites for VMS. The Hunter Mine and Normetal calderas, as well as the Blake River...studies and detailed facies mapping, the Hunter Mine caldera is of the segmented, piecemeal variety,...intermediate ankerite-Fe-dolomite zone and (3) a distal calcite-dolomite zone. The carbonate phase is associated...and Burg, 1993; Sawyer and W.U. Mueller et al. / Ore Geology Reviews 35 (2009) 4ā46 5 Fig. 1. A) General |  | Miller, David M., Reynolds, Robert E., Bright, Jordon E., Starratt, Scott W. (2014) Bouse Formation in the Bristol basin near Amboy, California, USA. Geosphere, 10. 462-475 doi:10.1130/ges00934.1 | Journal (article/letter/editorial) | | sediments from the surface to 270 m depth (ca. 3.65 Ma; Rosen, 1992) refutes this concept of a fresh-water drainage...drainage system (Bassett et al., 1959; Brown and Rosen, 1992; Rosen, 1992). However, in the Danby basin and perhaps...ostracodes and foraminifera (Smith, 1970; Brown and Rosen, 1992, 1995) have been interpreted as an extension...2010; Phelps et al., 2012). Bassett et al. (1959), Rosen (1992), and Richard (1993) described evidence that...gravels ring the discharging playa of Bristol Lake (Rosen, 1992; Bedford et al., 2010). The northern piedmont |  | | Journal (article/letter/editorial) | | contain aragonite with minor magnesite. Our previous field and experimental work has revealed that sulphate-reducing...carbonate phases, and that all marine aragonite and calcite should be immediately dolomitized (Lippmann, 1973)...der Borch, 1984; Rosen et al., 1988; Warren, 1988; Ahmad and Hostetler, 1988; Rosen et al., 1989; Warren...replacement of a pre-existing carbonate phase. Rosen et al. (1988, 1989), reported two ātypesā of dolomite...connection (aragonite and calcite) to partially restricted lake (Mg-calcite and proto-dolomite), to isolated |  | | Book | | EncyclopƦdia Britannica, Inc.) in association with Rosen Educational Services, LLC 29 East 21st Street, New...All rights reserved. Rosen Educational Services materials copyright Ā© 2012 Rosen Educational Services...All rights reserved. Distributed exclusively by Rosen Educational Services. For a listing of additional...Rafferty: Associate Editor, Earth and Life Sciences Rosen Educational Services Nicholas Croce: Editor Nelson...association with Britannica Educational Publishing, Rosen Educational Services.ā Includes bibliographical |  | | Journal (article/letter/editorial) | | Geochemistryof Hydrothermally Altered Rocks at the Horne Mine, Noranda, Quebec* W. H. MACLEAN Departmentof GeologicalSciences...12.1 permil for quartz,7.2 to 9.5 per mil for calcite,2.2 to 3.0 per mil for chlorite,and0.1 to 1.0 per...duringthe mineralization event. Introduction THE Horne mine, ownedby NorandaMinesLtd., exploiteda volcanogenie...1976. During thistime it produced59 million tons of ore averaging2.2 percent Cu and 0.17 Troy oz Au per ton...distinctive Cu and Zn metal contents, massivesulfide ore, associationwith rhyolite host rocks, and wallrock |  | Ma, Lichun, Tang, Qingfeng, Li, Baoguo, Hu, Yufei, Shang, Wenjun (2016) Sediment characteristics and mineralogy of salt mounds linked to underground spring activity in the Lop Nor playa, Western China. Geochemistry, 76 (3) 383-390 doi:10.1016/j.chemer.2016.08.001 | Journal (article/letter/editorial) | | gypsum, anhydrite, glauberite, epsomite, anhydrite, calcite, bischoļ¬te, polyhalite, schoenite, kieserite and...regional groundwater discharge zones (Handford, 1982; Rosen, 1991) where shallow groundwater is saline to hyper-saline...situated at the junction of Xinjiang province and Gansu province in the eastern part of the Tarim BasināChinaās...system of Tarim Basin, Xinjiang province, China. XJ, Xinjiang Province; KM, Kuruktage Mountains; BM, Beishan...eastern margins of the Lop Nor basin (Fig. 2). Field investigations conducted in the study area between |  | Rosen, Michael R., Turner, Jeffrey V., Coshell, Lee, Gailitis, Vit (1995) The effects of water temperature, stratification, and biological activity on the stable isotopic composition and timing of carbonate precipitation in a hypersaline lake. Geochimica et Cosmochimica Acta, 59 (5) 979-990 doi:10.1016/0016-7037(95)00016-x | Journal (article/letter/editorial) | | precipitation in a hypersaline lake MICHAEL R. ROSEN, ā.* JEFFREY V. TURNER,ā LEE COSHELL,~ and VIT...carbonate minerals (aragonite, calcite, and dolomite) is an important field of study in sedimentary geochemistry...of Perth, should be addressed. 979 980 M. R. Rosen et al. Clifton-Preston Lakeland area, Western Australia...limestone and quartz sand dune complex (Coshell and Rosen, 1994). All the lakes are maintained by groundwater...researchers (Coshell and Rosen, 1994; Burke and Knott, 1989; Rosen and Coshell, 1992; Rosen et al., 1992; Moore |  | | Journal (article/letter/editorial) | | ACTIVITY IN MODERN TRAVERTINES: SICAKCERMIK GEOTHERMAL FIELD, CENTRAL TURKEY Erdogan Tekin, Kamil Kayabali,...different researchers. They are recognized in the field by special identifying trails such as manganous-ferrous...subidiomorphicprismatic-tabular calcite crystals. ScanningElectron Microscopyrevealed that calcite crystalsforming the...travertine deposits in the Sicakcermik geothermal field(Figs. Carbonates and Evaporites, v. 15, no. 1,2000...destroyed. Previous studies on the Si~ermik geothermal field area have dealt mostly with the hydrogeology of |  | | Journal (article/letter/editorial) | | been backfilled, was located on the edge of the field area which has produced the great majority of the...iron; and pits were said to have been dug there for ore. They further stated that 'we could not hear of any...Amoeboceras sp . (B .M.(N .H.)C78919) collected from the field surface in association with the corals by the author...wellpreserved.They lie only about 350 mm (14 in) below the field surface, a fact which readily accounts for such...specimens of corals from the excavation and the field surface was studied by the author (L.B.) in Paris |  | | Journal (article/letter/editorial) | | 424-444 Wall-Rock Alteration at the Millenbach Cu-Zn Mine, Noranda,Quebec GER^nā¢)Rā¢wRā¢ ^ā¢) C. J^Ā¾Hoā¢)Gsoā¢...several Archcan volcanogenic Cu-Zn ore lenses at the Millenbach mine. The rocks and mineralization have...The mine mining the chemical differences among the alteration containsabout3 million tons of ore grading3...analyses in order to determinethe mineraIogicalreThe ore occurs in several discrete bodies of massive actions...compilations done by Falconbridge Copper Limited make the mine ideal for an alteration study. The approach in this |  | | Journal (article/letter/editorial) | | Holocene carbonates including aragonite, calcite, Mg-calcite, magnesite, hydromagnesite, and dolomite...aragonite, hydromagnesite, magnesite, and/or magnesian calcite. In Halite Lake, it is composed of a laminated...composed of aragonite, hydromagnesite, magnesian calcite and magnesite. The massive unit contains a characteristic...plain of South Australia (Fig. I). Other papers by Rosen, Miser, Starcher and Warren (in press) and Warren...the 13 distinct coastal ranges of the Southeast Province of South Australia (Schwebel, 1983). This paper |  | | Journal (article/letter/editorial) | | geometry and spatial relationship between the two ore types are very complex to interpret, when it comes...April 2019 Accepted 8 May 2019 Introduction The ore minerals of the Mississippi Valley-type (MVT) deposit...carbonate rocks. The spatial occurrence of both ore types is not given by abrupt geological contacts...geometrically complex ore bodies. The recognition and quantiļ¬cation of the two diļ¬erent ore types in hand specimens...calculation of mineralogical weight compositions of ZnāPb ore minerals in a block model of the Florida Canyon deposit |  | | Journal (article/letter/editorial) | | SomePetrologicand OxygenIsotopicRelationships in the Amulet Mine, Noranda,Quebec,and Their Bearingon the Origin of...alteration pipe is presentat the Amulet "A" Cu-Zn mine in the ArchcanAbitibi greenstone belt. The pipe...belt to 5 to 7 in the countryrockssurroundingthe ore deposit,to valuesas low as $.6 in the core of the...Ohomoto petrologicstudyof the 2.8-b.y.-oldAmulet "A" ore Phanerozoic and Rye, 1974; Heaton and Sheppard,1976)...townshipboundaryabout 13 petrology of such ancient ore depositsmustbe carekm northwestof Noranda,Quebec |  | | Journal (article/letter/editorial) | | diplogenetic stratified copper deposit, Anhui ProvinceāXu Zhaowen, Lu Xiancai, Ling Hongfei, Lu Jianjun...Waterberg deposit: Why South Africaās first platinum mine failedāIain McDonald and Marian Tredoux 243 252...Xiazhuang uranium orefield, northern Guangdong ProvinceāLing Hongfei, Shen Weizhou, Deng Ping, Jiang Shaoyong...redox and temperature indicators in the geothermal field of El Tatio (northern Chile)āF. Tassi, C. Martinez...composition of the Berkeley pit lake and surrounding mine waters, Butte, Montanaā Damon A. Pellicori, Christopher |  | | Journal (article/letter/editorial) | | the Archean Abitibi Greenstone Belt of Superior Province in the Canadian Shield, is an example of a volcanogenic...isotope analyses of volcanic rocks from the Corbet mine (Urabe et al., 1983). The purpose of the present...southeast of the Corbet mine, and about 1300 m southwest of the Millenbach mine (Fig. 1) in the N o r a...Amulet-Millenbach-Corbet-D-68 Zone mine area showing the main structural features, ore deposits and subsurface distribution... The Noranda volcanic complex, described by De Rosen-Spence (1976), Gibson (1979), Knuckey et al. (1982) |  | | Journal (article/letter/editorial) | | the Coorong region, South Australia MICHAEL R. ROSEN, DONALD E. MISER*, MICHAEL A. STARCHERand JOHN IL...sedimentology of the units in these lakes can be found in ROSEN et al. (1988) and WARREN (1989). An extensive description...and a summary of this information is presented by ROSEN et al. (1988). THE DISCOVERY OF Holocene dolomite...Recent papers by BOTZ and VON DER E~ORCH(1984) and ROSEN ef al. (1988) have discussed the stratigraphy and...proadurcg TEM, and XRD methods used can be found in ROSEN et ui. (1988). All samples which contained carbonate |  | | Other Paper | | Carbonate Study Group under the leadership of O. Rosen was set up to prepare the nomenclature of metacarbonate...brief summary of existing terminologies is given by Rosen et al. (in press). This highlights the great diversity...analysis and discussion are published separately (Rosen et al, in press) Variety of Metacarbonate Rocks...root terms and mineral prefixes (for example, calcite-diopside granofels) as set out in the SCMR recommended... The analysis of the database discussed above (Rosen et al, in press) showed significant boundaries at |  | | Journal (article/letter/editorial) | | cationordered stoichiometric dolomite and low-magnesium calcite with the same bulk composition (Graf and Goldsmith...a framework for further diagenetic studies, 2) calcite- SCHUBEL, VEBLEN, AND ELBERT dolomite phase boundaries...relationships between replacement dolomite and precursor calcite, as well as textural relationships between regions...spot size of 10 urn and 20 um for dolomite and calcite, respectively. Polished and carbon-coated thin... Dolomite (R 3), a (o)and b (0) reflections. Calcite (R 3c), a reflections (0) only. Dolomite with |  | | Journal (article/letter/editorial) | | settings that were specific for each stage of iron ore sedimentation, resulting in the development of four...lithogeochemical criteria of the genetic affiliation to iron ore formations. However, significance of this investigation...compare the different age FSFs developed in all iron ore regions of the East European Craton, we used data...metamorphism, we applied the method developed by O.M. Rosen for recalculation of the wholerock chemical analysis...composition using the MINLITH software package (Rosen et al., 2000). Principles of the sedimentological |
|
