 | 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 – 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 Pb–Zn–Ag...in the Central Rhodopean Dome (e.g., the Madan ore field) are spatially associated with low-angle detachment |  | | 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 ±...and plutonic events, alteration, and deposition of ore (Hedenquist & Lowenstern 1994; Sillitoe 1993, 1995) |  | | Journal (issue) | | SEPTEMBER–OCTOBER 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 weren’t 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 |  | | 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...copper tonsof ore with a gradeof about2.42 percentCu, was found at the site of the Victoria mine. A small...percent Bi, 20 ppm Ag, and very low concenamount of ore was producedfor two years and trationsof gold. At...requirementssothat Despitestrongiron staining,he recognizedthat ore the locationof the orebody was known precisely at |  | | Journal (issue) | | Some were visually identified as pink fluorite or apatite and placed in local collections with the casual...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 |  | | Report (issue) | | Bolivia, Porco and Potosí, are described. Petersen’s 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 |  | | Journal (article/letter/editorial) | | and outward zonation from magnetite-actinolite-apatite to specular hematitechlorite-sericite and possess...with gabbrodiorite to diorite magmas from which the ore fluid may have been channelled by major ductile to...composite IOCG deposits originated by ingress of the ore fluid to relatively permeable volcano-sedimentary...witnessed by the ore-related diorite dykes, but in either case the origin of the ore fluid at greater,...may have fortuitously contaminated the magmatic ore fluid locally. The proposed linkage of central Andean |  | 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) | | 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...Perú SA., Resource Estimate of the Marcona iron mine, unpub. report, 2003, in Chinese). The Mina Justa...Cu-(Ag) prospect, 3 to 4 km northeast of the Marcona mine (Fig. 2) at latitude 15°10' S, longitude 75°5" W...alteration, metaclastic and metacarbonate members in the mine area widely exhibit, respectively, hornblende hornfels |  | | 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 |  | Jin, Xin, Zhang, Yu-Xiu, Zhou, Xiao-Yao, Zhang, Kai-Jun, Li, Zhi-Wu, Khalid, Shahbaz Bin, Hu, Jun-Cheng, Lu, Lu, Sun, Wei-Dong (2019) Protoliths and tectonic implications of the newly discovered Triassic Baqing eclogites, central Tibet: Evidence from geochemistry, Sr Nd isotopes and geochronology. Gondwana Research, 69. 144-162 doi:10.1016/j.gr.2018.12.011 | Journal (article/letter/editorial) | | of trace elements, and it turned out that high field strength elements (HFSEs) and rare earth elements...PT E D MA NU SC RI 2. Geologic setting and field relations As a typical assemblage of subduction–collisional...discrimination diagram (Fig. 10), nine samples plot in the field of island arc cal-alkaline basalts, while the other...same area (Fig. 12d). It is also consistent to the field of Qilian BABB. Based on the geochemical differences...more inclusions (Figs. 6c, f, g, h). The Quartz, apatite, fergusonite and muscovite were identified in zircon |  | | Journal (article/letter/editorial) | | to adakite-like signatures. The giant Yanacocha ore system developed in coincidence with the ∼ 3.6–4...whether the association of adakite-like magmas with ore, which is typical of other giant porphyry-systems...temporal relationship between adakite-like rocks and ore; (iii) what is the geodynamic meaning of adakite-like...Conglomerates, volcaniclastic rocks and air-fall tuffs (Chala sequence: 23.2 Ma) were deposited unconformably...Miocene with the eruption of the Yanacocha Volcanic Field (14.5 to 8.4 Ma: Longo, 2005; this study). At ∼8 |  | | 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 |  | | Journal (article/letter/editorial) | | standard minerals arepyrrhotite andsphalerite; chala bleached halocontaining littleor no sulfideor cassiterite...theBabyzone.Seetextfordescription. Ab= albite, Ap= apatite, Bio= biotite, Cpy= chalcopyrite, Cst= cassiterite...20 changed. Traceconcentration of pyrrhotite, apatite,or fluo15 ritecanalsobe presentin thisinterval...mineralization. reflecta moreefficientremovalof ore metalsby the fluid Thechange in oxygen fugaeity ...Ladington,P.J.,1983,A fluid inclusion investigation of ore formationin a tin-mineralized granite,New England |  | | Book (edition) | | 1990. Administrative natural gas, coal and iron ore deposits predominating. The main industrial area...younger members of the STATUS: Self-governing Island Province fast-growing population. of Finland AREA: 1,505...very rich in minerals. Petroleum, diamonds, iron ore, copper and manganese are exported with petroleum...minerals of coal, oil, natural gas, nickel, iron ore, and uranium ores. Gold, silver, lead, copper ores...commodities. Mineral resources, except for iron ore, at the moment do not play a significant role in |  | | Journal (issue) | | the town of Afikpo, in Afikpo Division of Ogoja Province. The Afikpo localities mentioned in the descriptive...from the town of Awgu in Awgu Division, Onitsha Province, is of Coniacian age, as shown by the presence...the Benue River at the town of Makurdi, in Benue Province, yielded a number of wellpreserved molluscs. The...(1862, p. 223, Pl. XVII, figs. 5, 6), from the province of Consta11.tinc, orth frica, lJut diff'e1·sin...south of Igboji near the Cross River in Ogoja Province. Collector.-The author. Genus Exogyra Say 1820 |  | | 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. |  | | Journal (article/letter/editorial) | | 10°S Lima PERU Lake Titicaca 15°S Ri dg e Chala a Locumba Na zc Ilo Pacific Ocean BOLIVIA...incision and knikpoint propagation recorded by apatite 4He/3He thermochronometry. Earth Planet. Sci. Lett |  | | Book | | Survey.) Fic. 1. Pale-blue turquois; Gove Turquois mine, near Cottonwood, San Bernardino County, Cal. Fie...Blue Turquois mine, m Nye County, near Millers, Nev. Fia. Turquois matrix; Weber mine, Belmont, Nye County...Azure mine, Burro Mountains, N. Mex. Fic. . Cobweb turquois matrix; Southwest Turquois Co. mine, Mineral...turquois, polished on one side; Myers and Bona Turquois mine, 13 miles north of west of Millers, Esmeralda County...student at Yale University; Los Angeles Gem Co. mine, Mineral Park, Ariz. Fia. Fi. Fic. Fic. Fic. ia |  | | Report (issue) | | UK Nirex Mineral Reconnaissance Programme Buried ore deposits Gold mineralisation Sea-bed gamma spectrometry...along strike of those containing the Cononish gold mine near Tyndrum, Argy11. A new format based on coloured...environmental engineering of waste sites, prospective-ore studies, the measurement of salt water intrusion/...and field studies, which together are placing the BGS in a leading role in this important field. Related...old landfill sites, the development of aban doned mine workings or the impact of rising sea levels. It |  | | Report (chapter) | | Geological Survey.) Pale-blue turquois; Gove Turquois mine, near Cottonwood, San Bernardino County, Cal. Fig...Royal Blue Turquois mine, in Nye County, near Millers, Nev. Turquois matrix; Weber mine, Belmont, Nye County...turquois; Azure mine, Burro Mountains, N. Mex. 5. Cobweb turquois matrix; Southwest Turquois Co. mine, Mineral...turquois, polished on one side; Myers and Bona Turquois mine, 13 miles north of west of Millers, Esmeralda County...Gem Co. mine. Mineral Park; Ariz. 8. Pendant of turquois matrix; Southwest Turquois Co. mine. Mineral |  | | Journal (issue) | | the submission of articles on all aspects of the field. Please see the Guidelines for Authors at gia.edu/gandg...moving products from mine to consumer. The main cover image was taken at the AnahÌ mine in Bolivia, a major...instrumentation such as LA-ICPMS—once primarily the province of academia—became a fixture in many gemological...of the company (Even-Zohar, 2007). Because of the mine closures, De Beers’s market share by volume fell...pink diamonds (0.51 and 0.55 ct) from the Argyle mine in Australia were part of the 2007 Argyle pink diamonds |  | | Book (volume) | | Geochemistry and Cosmochemistry Metallogenesis and Mineral Ore Deposits Oil and Gas Fields Solid Fuel Mineral Deposits...Hydrothermal solution self-mixing in the production of ore veins and wall-rock alterations aureoles V.L. Barsukov... Endogenic fluid regime and its role in hydrothermal ore formation G.B. Naumov 537 Certain peculiarities...main types of hydrothermal ore deposits in the People's Republic of Bulgaria A.I. Panayotov 559 Dispersed...COS and H S; t h e gases are equil i brated with mine 2 rals; surface rocks are essentially dep l eted |  | | Report (issue) | | eee Meee ee ee Coe ee eet cue cceweceaee| BECOME ORE cetereuieteteiee cccetisinaietes siren aie elec cin...slecsvedere cielo n(e breiers wl ape eotve,tians ore oveine ecersielelie wisiere AEA RE WOON DEAN OU...sieielnaiaialeielate 4ie/s/ate auto Goronatton, Mime cis a's cnis ore oo o's wea ale ss c1d e100 ehalatetetetalaiete a\s...eT, Christmas’ sce eciavs o/evnjslaie) pete 6 ote ore eer veiaeleisioi eee ae eee IO) GLOBE=M1 am acesw...eteeietee neem TELOME sein: einisrsyere tora ovaiete ore euslieva)elelevensteretanerersacstereler aerate Tarte |  | | Report (issue) | | Rift Valley Province though the south-western part is in the Narok District of Southern Province. The area...square miles in areal extent, is within Rift Valley Province, administered by the Provincial Commissioner at...jurisdiction of the Provincial Commissioner, Southern Province, who resides at Ngong. The greater part of the... being surpassed by Lakes Rudolf, Victoria and Chala, in that order. Fig. 2—Lake Naivasha ; sub-surface...fine-grained groundmass containing granular iron ore, plagioclase prisms and much-altered pyroxenes ( |
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