 | Marchev, Peter, Kaiser-Rohrmeier, Majka, Heinrich, Christoph, Ovtcharova, Maria, von Quadt, Albrecht, Raicheva, Raya (2005) 2: Hydrothermal ore deposits related to post-orogenic extensional magmatism and core complex formation: The Rhodope Massif of Bulgaria and Greece. Ore Geology Reviews, 27 (1) 53-89 doi:10.1016/j.oregeorev.2005.07.027 | Journal (article/letter/editorial) | | Ore Geology Reviews 27 (2005) 53 ā 89 www.elsevier.com/locate/oregeorev 2: Hydrothermal ore deposits...core complex formation: The Rhodope Massif of Bulgaria and Greece Peter Marchev a,*, Majka Kaiser-Rohrmeier...of Sciences, Acad. G. Bonchev St., 1113 Sofia, Bulgaria Isotope Geology and Mineral Resources, Department...2005 Abstract The Rhodope Massif in southern Bulgaria and northern Greece hosts a range of PbāZnāAg...in the Central Rhodopean Dome (e.g., the Madan ore field) are spatially associated with low-angle detachment |  | | Journal (issue) | | correct shadows. Proper background and depth of field are also important for tricking the brain into seeing...magnifies the image, the narrower the depth of field becomes. Orienting the specimen correctly to get...within a narrow depth of field is difficult and sometimes impossible. Depth-of-field problems can sometimes...Austrian micromounter. Dioptase frome Harquahala Mine, La Paz Co., AZ. capture. Sometimes, the colors...on quartz, collected from Chala Gold Mine, Spahievo Orefield, Bulgaria. Field of view is less than 1.5 |  | | Report (chapter) | | Madjarovo base-precious metal ore district, eastern Rhodopes, Bulgaria PETER MARCHEV 1 & BRAD SINGER...Sciences, Acad. G. Bonchev St., BI.24, 1113 Sofia, Bulgaria (e-mail: pmarchev@router.geology, bas. bg) 2Department...USA Abstract: The Madjarovo volcanic complex and ore district comprise alteration styles from potassium...alteration at low stratigraphic levels. However, field relations combined with a plateau age of 32.1 Ā±...and plutonic events, alteration, and deposition of ore (Hedenquist & Lowenstern 1994; Sillitoe 1993, 1995) |  | | Journal (issue) | | sussex mineral & lapidary society SMLS FIELD TRIP TO BULGARIA. Part 2 Journal 205 - January/February...Underdown Pam Pearce Brian Prowse Gary Atkinson Field trip Co-ordinator: Journal Editor & Show Organiser...Journal 205 Jan/Feb 2007 SMLS COLLECTING TRIP TO BULGARIA: A BALKAN ADVENTURE, September 2006 Part 2. Mineral...Collecting, Purchasing and Exchanging The Republic of Bulgaria is situated in the south-east of the Balkan peninsula...almost entirely within the Alpine folded belt. Bulgaria covers part of the Moesian platform to the north |  | | Journal (issue) | | sussex l mineral & lapidary society SMLS Field Trip To Ireland Journal 210 - November/December 2007...Woodbridge OTHER RESPONSIBILITIES Mark Oddy Field trip Co-ordinator: Journal Editor & Show Organiser...SMLS Journal 21 o Nov/Dec 2007 Mineralogical Field Trip to Slovakia Thanks to the efforts of Brian...forward in the organisation of the S.M.L.S. foreign field trip for 2008. A brief outline of the trip is given...Slovakia (based on the experience of the trip to Bulgaria last year, these costs should be around Ā£200) |  | | Journal (article/letter/editorial) | | as a new mineral species from the Bambolla AuāTe Mine, Mexico (Stanley et al., 1986). Prior to acceptance...Epithermal deposits Shadiitsa, Central Rhodopes, Bulgaria (Ag,Cu)4TeS Mayflower, Montana (cervelleite) Eniovche...(TL) of cervelleite, Ag4TeS, is also the Bambolla Mine (Criddle et al., 1989). Before acceptance of the...(1985) from the Shadiitsa epithermal deposit (Bulgaria), and by Karup-M.ller (1976) from the Ivigtut...epithermal deposit in the Central Rhodopes of Bulgaria (Dobrev et al., 2002) has a significant (up to |  | | Journal (issue) | | SEPTEMBERāOCTOBER 2022 Articles The Akchatau mine, Shet District, Karaganda, Kazakhstan.............E. Wilson & T. P. Moore The Graf Jost-Christian mine, Wolfsberg, Harz Mountains, Sachsen-Anhalt, Germany...the amethyst they could collect at the old Pearl mine in Thunder Bay. They werenāt as successful with...localities such as the Majuba Hill mine, the Tsumeb mine and the Black Pine mine in Montana. More recently he...Chris, sometimes with his family, continued taking field trips in California, Nevada, Utah, Arizona and Mexico |  | | Report (volume) | | The Timing and Location of Major Ore Deposits in an Evolving Orogen Geological Society Special Publications...A. (eds) 2002. The Timing and Location of Major Ore Deposits in an Evolving Orogen. Geological Society...J. 2002. Permo-Mesozoic multiple fluid flow and ore deposits in Sardinia: a comparison with Post-Variscan...A. (eds) 2002. The Timing and Location of Major Ore Deposits in an Evolving Orogen. Geological Society...PUBLICATION NO. 204 The Timing and Location of Major Ore Deposits in an Evolving Orogen EDITED BY D. J. BLUNDELL |  | Voudouris, Panagiotis Christos, Spry, Paul G., Sakellaris, Gregory Aarne, Mavrogonatos, Constantinos (2011) A cervelleite-like mineral and other Ag-Cu-Te-S minerals [Ag2CuTeS and (Ag,Cu)2TeS] in gold-bearing veins in metamorphic rocks of the Cycladic Blueschist Unit, Kallianou, Evia Island, Greece. Mineralogy and Petrology, 101 (3) 169-183 doi:10.1007/s00710-011-0144-z | Journal (article/letter/editorial) | | become widely used to help assess conditions of ore formation (Ciobanu et al. 2006), sulfotellurides...sulfotellurides may provide physicochemical constraint on ore formation. Investigation of Ag-sulfotellurides is important...processes, changes in physicochemical conditions during ore formation, and the possible genetic relationships...various ore types including the Shadiitsa P.C. Voudouris et al. 170 epithermal deposit, Bulgaria (Gadzheva...et al. 2004), the Eniovche epithermal deposit, Bulgaria (Dobrev et al. 2002), the intrusion-hosted Funan |  | | Journal (article/letter/editorial) | | Geologyof a Skarn-BrecciaOrebody at the Victoria Mine, Elko County, Nevada W. W. ATKINSON,JR., Departmentof...77210 Abstract The copperorebodyat the Victoria mine occursin a brecciapipe emplacedin Permian limestoneand...then by diopsideand calcite, at which point brecciationceased.Finally, garnet,calcite,quartz, and sulfideore...localserpentine,whereasgarnetaltered to mixturesof hematite,calcite,quartz,and chlorite.The sequence is dividedinto...copper tonsof ore with a gradeof about2.42 percentCu, was found at the site of the Victoria mine. A small |  | | Journal (issue) | | Jeffery Self discovered a new beryl crystal on his mine, the Blue Eagle Claim, on Mount Antero. This crystal...features a life-size mine replica that depicts the mining method used in the Franklin Mine. The building that...that houses the mine replica is on the New Jersey State Historic Site Register and was once the engine...engine house for the Taylor Mine that operated from the mid to late I 800's. Like the Hudson Institute, the...frequently replenished. The Buckwheat Dump is a 3.5-acre mine dump that has gained worldwide fame over the years |  | | Journal (article/letter/editorial) | | most of the silver depositsin the Cobalt area. The ore occursas nearly vertical veins in Huronfan sedimentaryrocks...below a sill-like body of Nipissing diabase. The ore veins are composedof carbonates,arsenides,native...arsenidesand grade of silver ore. The predominantarsenidesin the upperparts of the ore veins are thoseof nickel...cobalt,and in the lower parts,iron. High-grade silver ore is generallyassociated with mixturesof nickel and...of metallurgical melts. The sulfides occur in the ore veins and the wall rock as veinlets and disseminated |  | | Report (issue) | | Bolivia, Porco and PotosĆ, are described. Petersenās field work indicates that there are several platinum occurrences...as well as the time involved to process the raw ore to a relatively pure metal. The chapter is mainly...use today. Native copper from the Cerro de Pasco Mine, a shell used as a palette for mixing cinnabar-based...United States and in Latin America, I began my field archaeological studies in the Chao Valley, northern...Petersen, who was leading a copper exploration field program at Cerro Verde. He suggested that I might |  | Chen, H., Clark, A. H., Kyser, T. K., Ullrich, T. D., Baxter, R., Chen, Y., Moody, T. C. (2010) Evolution of the Giant Marcona-Mina Justa Iron Oxide-Copper-Gold District, South-Central Peru. Economic Geology, 105 (1) 155-185 doi:10.2113/gsecongeo.105.1.155 | Journal (article/letter/editorial) | | overprinted at 156 to 159 Ma by chalcopyrite-pyrite-calcite Ā± pyrrhotite Ā± sphalerite Ā± galena assemblages...actinolitization at ca. 109 Ma, the deposition of calcite and specular hematite, now entirely pseudomorphed...nite-chalcocite mineralization, with abundant calcite and hematite, was emplaced as two ~400-m-long,...south-central Peru, which juxtaposes major IOCG-style ore deposits with widely variable proportions of iron...of high-grade magnetite ore in the central Andes, is centered in Nazca Province, Ica Department, at latitude |  | Alfonso, Pura, Anticoi, Hernan, Yubero, Teresa, Bascompta, Marc, Henao, Laura, Garcia-Valles, Maite, Palacios, Silvia, YƔƱez, Juan (2019) The Importance of Mineralogical Knowledge in the Sustainability of Artisanal Gold Mining: A Mid-South Peru Case. Minerals, 9 (6) 345 doi:10.3390/min9060345 | Journal (article/letter/editorial) | | poorly ruled and information can be obtained from field surveys of miners and Artisanal Mining Associations...rudimentary techniques for mining exploitation and ore processing [11]. Artisanal mining takes place in...the mineralogy of the ore and gangue from the mining sites. A sustainable mine operation should be safe...[24], mainly due to the low gold recovery after ore beneficiation that usually accompanies artisanal...mineralogy and liberation characteristics of the ore before planning the processing procedure. Knowledge |  | | Journal (article/letter/editorial) | | intrusions. Scant observations suggest that massive calcite veins and, at shallower palaeodepths, extensive...with gabbrodiorite to diorite magmas from which the ore ļ¬uid may have been channelled by major ductile to...composite IOCG deposits originated by ingress of the ore ļ¬uid to relatively permeable volcano-sedimentary...witnessed by the ore-related diorite dykes, but in either case the origin of the ore ļ¬uid at greater,...may have fortuitously contaminated the magmatic ore ļ¬uid locally. The proposed linkage of central Andean |  | Boekhout, Flora, Spikings, Richard, Sempere, Thierry, Chiaradia, Massimo, Ulianov, Alexey, Schaltegger, Urs (2012) Mesozoic arc magmatism along the southern Peruvian margin during Gondwana breakup and dispersal. Lithos, 146. 48-64 doi:10.1016/j.lithos.2012.04.015 | Journal (article/letter/editorial) | | Mazzini et al., 2010). Lago Titicaca Arequipa basin Chala Yura Llave Punta Atico Juli Arequipa La Chira...~177 Ma has been reported from a lava ļ¬ow near Chala (Clark et al., 1990; Mukasa, 1986; Stewart et al...(Callovian) Rio Tambo, Quinistaquillas Fig. 3. Field photograph of large scale slumping reported in the...Coastal Cordillera, where a chloriteāepidoteāquartzācalciteātitaniteāsericiteāactinoliteā Kāfeldsparāzeoli...completely transformed into actinolite, chlorite, calcite, epidote and hematite. Hematite occurs as homogenous |  | | Journal (article/letter/editorial) | | South America and location of the Mantiqueira Province; Geological and structural maps of B) main tectonic...Mesodiagenesis is characterized by chemical compaction, calcite precipitation, illitization, chloritization and...found ļ¬lling voids and fractures (Fig. 7JāO). 6. Field test A fold test was performed on the Gaspar Formation...of remagnetized rocks (Fuller et al., 2002). Province lavas and cut by the related Cretaceous dykes...southern ParanĆ” regions are important sources of ore deposits, indicating that they are favorable to leaching |  | | Journal (article/letter/editorial) | | shallow chambers as granitoids that passively degassed ore fluids. The compositional diversity of the volcanic...LONGO ET AL. Introduction of high-sulfidation ore deposits with hydrous, calc-alkaline magmatism characterized...alteration zones of vuggy residual quartz containing ore mineral assemblages with relatively high sulfur contents...magmatic record is well preserved in a volcanic field associated with numerous subvolcanic intrusions...limestone and quartzite dominant Yanacocha Volcanic Field (YVF) Jurassic andesitic volcanic rocks and Devonian |  | | Report (issue) | | (1979). Probe analyses (1) from Broken Hill gold mine, Coromandel , New Zealand. ACANTHITE. Nikolaeva...(1979). Probe analyses (4) from Broken Hill gold mine, Coromandel, New Zealand. AGUILARITE. Sugaki et...6528 (1983). Probe analysis, x-ray data from Sanru mine, Hokkaido, Japan. AGUILARITE. Sugaki et al., J....65-77 (1982). Microprobe analyses (5) from Sanru mine, Hokkaido. AGUILARITE. Vassalo Morales and Borodaev...Aufschluss 33, 367-373 (1982). Occurrence at Clara mine Black Forest. X-ray data, a 10.46, c 3.02A. AKERMANITE |  | | Book | | Kutais, Sukhum, the northern part of the Black Sea Province towards Tuapse, Ardahan and Olti districts, :...22,661,532 tons; manganese ore, 1,676,824 tons wool, (the bulk of this ore was exported from the port...exclusively devoted to the of export manganese ore. The industry of Georgia is very small at present...World Importance The Ore Deposits 2. Extraction 3. Dressing and Washing of the Ore Transport Its 4...only the outcrops are known. The total quantity of ore contained in them is estimated at about 13,000,000 |  | Bingen, B., Jacobs, J., Viola, G., Henderson, I.H.C., SkĆ„r, Ć., Boyd, R., Thomas, R.J., Solli, A., Key, R.M., Daudi, E.X.F. (2009) Geochronology of the Precambrian crust in the Mozambique belt in NE Mozambique, and implications for Gondwana assembly. Precambrian Research, 170 (3) 231-255 doi:10.1016/j.precamres.2009.01.005 | Journal (article/letter/editorial) | | Metangula Group of Pinna et al. (1993), renamed Chala gneiss (Fig. 2; Norconsult Consortium, 2007b). It...metapelite layers. Sample 22780 is a metapelite from the Chala gneiss, containing a coarse-grained, granulite-facies...to the pervasive Cambrian overprint (Fig. 12b). Field observations suggest that a phase of deformation...2004). The craton also includes a Large Igneous Province manifested as intraplate maļ¬c magmatism at 1112ā1106...reported for a leucosome by Grantham et al. (2008). Field observations place the Marrupa Complex structurally |  | | Journal (article/letter/editorial) | | for atomistic simulation studies (COMPASS) force field with the software package Materials Studio 7.0 (Asselrys...The functional forms used in the COMPASS force field are as follows [40]: E = Ebond + Eangle + Eoop +...morphologies through selective binding of amino acids to calcite surface steps. Nature 2001, 411, 775. [CrossRef]...2894ā2899. [CrossRef] Addala, S.; Bouhdjer, L.; Chala, A.; Bouhdjar, A.; Halimi, O.; Boudine, B.; Sebais |  | | Journal (issue) | | drei Fundstellen (darunter derTyplokalitƤt Trotter Mine bei Franklin, New Jersey) bekannten Mineral, handelt...beinahe āZweckenspat" -Ƥhnliche, hellrosa gefƤrbte Calcite von Huanggang, teils zu attraktiven Gruppen verwachsen...und wunderbar transparenter bis etwa 8 cm groĆer Calcite, die im unteren Teil der Kristalle EinschlĆ¼sse...Artischockenquarz") und Dolo- mit aus der Huanggang Mine, Chifeng, Innere Mongolei, China. StufengrƶĆe ca...Phenakit-Kristalle auf Fluorit und Orthoklas aus der Huanggang Mine, Keshiketeng Qi, Chifeng, Innere Mongolei, China |  | | Report (chapter) | | basaltic magmatism. The oldest dated rock within the province is an 8.1 Ma nephelinite from Essimingor (Appendix...replacing, metasomatic combeite (Co). Horizontal field width 2.2 mm; plane-polarized light. Ne, nepheline...microphenocrysts of magmatic combeite (Co). Horizontal field width 2.2 mm; plane-polarized light. Ne, nepheline...surrounded by poikilitic sanidine (Sa). Horizontal field width 5.4 mm; crossed polarizers. Downloaded from...in ijolite BD122 (Oldoinyo Lengai). Horizontal field width 5.4 mm; plane-polarized light. Plate 15. |
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