 | | Journal (article/letter/editorial) | | traskite, verplanckite and muirite from Fresno County, California Stinson, NI. C. and Matthews, R. A... Seven new barium miuerals from eastern Fresno County, Californier (abs.) 1.2+ 2r0+ 278 273 Stinson... Seven new barium minerals from eastern Fresno County, California AJlan, D. with Brown, V. (Book 314...determination in soils and sedirnents (Ra- 465 843 man, Jackson) Andalusite, kyanite and sillimanite, mullite,...seven new, Barium (Hubbard) from eastern Fresno County, 2040 (Alfors, Aplite-pegmatites, composite, of |  | | Report (issue) | | in relative proximity to the closed Nalunaq gold mine and the Archaean terranes of southern West and SouthWest...biggest current gold producers are China, Australia, USA, Russia and South Africa. Although gold is enriched...southern West and South-West Greenland is given in Kolb et al. (2013), and a review on gold occurrences...deposits formed in accretionary orogens such as the North American Cordillera in fore-arc to back-arc settings...shear-zone system in an Archaean orogenic setting (Kolb 2011, Kolb et al. 2013). Reasonably sized Archaean greenstone |  | | Journal (article/letter/editorial) | | district, East Mindanao Ridge, Philippines Jochen Kolb & Steffen Hagemann Received: 3 June 2008 / Accepted:...Rosario–Bunawan district is situated about 200 km north of Davao City, the capital of the Mindanao Island...Southern Philippines. Gold is produced from the Co-O mine, containing about 2,034,000 t of ore at 10.9 g/t...mineralization in the Rosario–Bunawan district and the Co-O mine is confined to narrow (0.2–4 m) low-sulfidation...with the Palawan, Editorial handling: B. Lehmann J. Kolb (*) Department of Economic Geology, Geological Survey |  | Chinnasamy, Sakthi Saravanan, Uken, Ron, Reinhardt, Jürgen, Selby, David, Johnson, Spencer (2015) Pressure, temperature, and timing of mineralization of the sedimentary rock-hosted orogenic gold deposit at Klipwal, southeastern Kaapvaal Craton, South Africa. Mineralium Deposita, 50 (6) 739-766 doi:10.1007/s00126-014-0573-9 | Journal (article/letter/editorial) | | the Klipwal Shear Zone (KSZ) at the Klipwal Gold Mine is confined to laminated quartz–carbonate lodes...footwall splays. Alteration comprises chlorite, muscovite, Editorial handling: H. Frimmel and B. Lehmann...Johnson No. 326, Canterbury Ct., Alamo, CA 94507, USA Present Address: S. S. Chinnasamy Department of Earth...veins with alternating quartz–carbonate-rich and muscovite–chlorite-rich laminae, whereas the proximal zone...of K-feldspar, albite, epidote, chlorite, and muscovite along with carbonates and associated quartz veins |  | | Journal (article/letter/editorial) | | stages of gold mineralization at Hutti mine, India A. J. Rogers & J. Kolb & F. M. Meyer & T. Vennemann Received:...# Springer-Verlag 2012 Abstract The Hutti gold mine is located in a high-angle, NNW–SSE-trending shear...fluid pulse, which gave the Hutti mine its status as the largest gold mine in India. The metamorphic evolution...Aachen, Germany e-mail: m.meyer@rwth-aachen.de J. Kolb Department of Petrology and Economic Geology, Geological...1992; Goldfarb et al. 1991; Kerrich and Fyfe 1981; Kolb et al. 2000; Phillips and Evans 2004). Gold is commonly |  | | Report (issue) | | noRm c ult * 4 NORTH CAROLINA DEPARTMENT OF CONSERVATION AND DEVELOPMENT R. BRUCE ETHERIDGE, DIRECTOR...MICA DEPOSITS OF THE FRANKLIN-SYLVA DISTRICT, NORTH CAROLINA BY J. C. OLSON AND OTHERS PREPARED BY GEOLOGICAL...WITH THE NORTH CAROLINA DEPARTMENT OF CONSERVATION AND DEVELOPMENT RALEIGH 1946 NORTH CAROLINA DEPARTMENT...MICA DEPOSITS OF THE FRANKLIN SYLVA DISTRICT, NORTH CAROLINA By J. C. OLSON and Others PREPARED BY GEOLOGICAL...DEPARTMENT OF THE INTERIOR IN COOPERATION WITH THE NORTH CAROLINA DEPARTMENT OF CONSERVATION AND DEVELOPMENT |  | | Journal (article/letter/editorial) | | 10.1007/s00126-005-0475-y A RT I C L E Jochen Kolb Æ Amanda Rogers Æ F. Michael Meyer Relative timing...deformation and two-stage gold mineralization at the Hutti Mine, Dharwar Craton, India Received: 14 October 2004...m wide proximal biotite-plagioclase (+quartz, muscovite, calcite) alteration zone. Gold is both spatially...greenschist facies condiEditorial handling: G. Beaudoin J. Kolb (&) Æ A. Rogers Æ F. M. Meyer Institute of Mineralogy...University, Wüllnerstr. 2, 52056 Aachen, Germany E-mail: kolb@rwth-aachen.de Tel.: +49-241-8095773 Fax: +49-241-8092153 |  | | Journal (article/letter/editorial) | | greenstone belt hosts the largest operational gold mine in India at Hutti, as well as two satellite mines...(Campbell and Hill, 1988; Kerrich, 1991). Based on mine-scale shear-dominated structures, hydrothermal mineral...involving a single fluid source have been proposed (Kolb et al., 2005; Mishra and Pal, 2008). A recent study...the Hutti gold mine (16°12' N, 76°43' E), currently the largest operational gold mine in India. Based...Uti deposits are exploited by two Hutti The Hutti mine comprises a series of parallel, ~N-S–striking, ~1-km-long |  | Bell, Robin-Marie, Kolb, Jochen, Waight, Tod Earle, Bagas, Leon, Thomsen, Tonny B. (2017) A Palaeoproterozoic multi-stage hydrothermal alteration system at Nalunaq gold deposit, South Greenland. Mineralium Deposita, 52 (3) 383-404 doi:10.1007/s00126-016-0667-7 | Journal (article/letter/editorial) | | deposit, South Greenland Robin-Marie Bell 1,2 & Jochen Kolb 1,2 & Tod Earle Waight 2 & Leon Bagas 3 & Tonny...site of Greenland’s only operating metalliferous mine until its closure in 2014, having produced 10.67...Greenland, which operated as Greenland’s only metal mine from 2004 until its closure in 2014 after producing...2000; Stendal and Frei 2000; Schlatter and Kolb 2011; Bell and Kolb 2013). Additional gold occurrences are...Porritt 2000; Groves et al. 2003; Schlatter and Kolb 2011; Schlatter and Olsen 2011). Additionally, Nalunaq |  | Rosing-Schow, Nanna, Bagas, Leon, Kolb, Jochen, Balić-Žunić, Tonči, Korte, Christoph, Fiorentini, Marco L. (2017) Hydrothermal flake graphite mineralisation in Paleoproterozoic rocks of south-east Greenland. Mineralium Deposita, 52 (5) 769-789 doi:10.1007/s00126-016-0701-9 | Journal (article/letter/editorial) | | Greenland Nanna Rosing-Schow 1 & Leon Bagas 2,3 & Jochen Kolb 1,4 & Tonči Balić-Žunić 5 & Christoph Korte 5 &...of the market followed by Brazil, Canada, India, North Korea and European countries (Beyssac and Rumble...samples from Charcot Bjerge, Helheim fjord and north of Kuummiut together with petrography using optical...sample was also taken south of Auppaluttoq and one north of Kuummiut. Samples, as fresh as possible, were...are from Charcot Bjerge, sample 566626 is from north of Helheim Fjord and sample 570423 is from Nuuk-Ilinnera |  | Rondeau, Benjamin, Devouard, Bertrand, Jacob, Damien, Roussel, Pascal, Stephant, Nicolas, Boulet, Constance, Mollé, Valentin, Corre, Marianna, Fritsch, Emmanuel, Ferraris, Cristiano, Parodi, Gian Carlo (2019) Lasnierite, (Ca,Sr)(Mg,Fe)2Al(PO4)3, a new phosphate accompanying lazulite from Mt. Ibity, Madagascar: an example of structural characterization from dynamical refinement of precession electron diffraction data on submicrometre sample. European Journal of Mineralogy, 31 (2) 379-388 doi:10.1127/ejm/2019/0031-2817 | Journal (article/letter/editorial) | | titanomagnetite, rutile, hematite), silicates (muscovite, kyanite, zircon, dumortierite, tourmaline, clinoamphibole)...Mountain, Georgia, USA (Pecora & Fahey, 1950); White Mountain Andalusite Mine, Mono County, California and...and Clubbs Mountain, Gaston County, California, USA (Pecora & Fahey, 1950). 4. Methods 2. Samples The...recently proposed PEDT method (Vincent & Midgley, 1994; Kolb et al., 2007; Mugnaioli et al., 2009) combined to...of the Lower Austroalpine ‘‘Fischbach’’ window, north-eastern Styria Austria. Mitt. Österr. Mineral. |  | | Journal (article/letter/editorial) | | Greenland Sascha Müller, Annika Dziggel, Jochen Kolb, Sven Sindern PII: DOI: Reference: S0024-4937(17)30383-3...article as: Sascha Müller, Annika Dziggel, Jochen Kolb, Sven Sindern , Mineral textural evolution and PT-path... PT Sascha Müller a*, Annika Dziggel a, Jochen Kolb b, Sven Sindern a 76131, Karlsruhe, Germany MA...metamorphic belts, which have been reported from e.g. the North Atlantic craton in Greenland (Tappe et al., 2011;...cratons, including the Rae Craton to the north and the North Atlantic Craton to the south (Bridgwater |  | Lepore, G. O., Bindi, L., Di Benedetto, F., Mugnaioli, E., Viti, C., Zanetti, A., Ciriotti, M. E., Bonazzi, P. (2017) A multimethodic approach for the characterization of manganiceladonite, a new member of the celadonite family from Cerchiara mine, Eastern Liguria, Italy. Mineralogical Magazine, 81 (1) 167-173 doi:10.1180/minmag.2016.080.087 | Journal (article/letter/editorial) | | new member of the celadonite family from Cerchiara mine, Eastern Liguria, Italy G. O. LEPORE1,*, L. BINDI1...metacherts of the ophiolitic sequences at the Cerchiara mine, Eastern Liguria (Italy), a new Mn-bearing mineral...manganiceladonite, celadonite family, Cerchiara mine, Eastern Liguria, Italy. Introduction HIGH concentrations...(EDS) of a micaceous mineral found at the Cerchiara mine, Eastern Liguria (Italy) (Fig. 1), showed a composition...Cabella et al. (1998), the ore body of the Cerchiara mine consists of braunite with minor quartz layers interbedded |  | Smit, C.A., Van Reenen, D.D., McCourt, S., Huizenga, J.M., Belyanin, G., Vafeas, N.A. (2019) Hypozonal orogenic gold mineralization in the Giyani Goldfield, Northern Kaapvaal Craton/Limpopo Complex. South African Journal of Geology, 122 (4) 455-488 doi:10.25131/sajg.122.0037 | Journal (article/letter/editorial) | | the adjacent GGB at the position of the steeply north-dipping (south verging) HRSZ during the exhumation...Kaapvaal Craton at 2.72 to 2.69 Ga along the steep north-dipping Hout River shear zone (HRSZ) (Figures 2...genetic definition of hypozonal orogenic gold deposits (Kolb et al., 2015). The proposed geotectonic model for...temperature deposits formed at depths greater than 12 km. Kolb et al. (2015), in a review of lode gold deposits...shown. The general position (A-B) of the south-north traverse (Figure 2) along which the crustal section |  | Krienitz, M. -S., Trumbull, R. B., Hellmann, A., Kolb, J., Meyer, F. M., Wiedenbeck, M. (2008) Hydrothermal gold mineralization at the Hira Buddini gold mine, India: constraints on fluid evolution and fluid sources from boron isotopic compositions of tourmaline. Mineralium Deposita, 43 (4) 421-434 doi:10.1007/s00126-007-0172-0 | Journal (article/letter/editorial) | | Hydrothermal gold mineralization at the Hira Buddini gold mine, India: constraints on fluid evolution and fluid...-S. Krienitz & R. B. Trumbull & A. Hellmann & J. Kolb & F. M. Meyer & M. Wiedenbeck Received: 13 April...Lagerstättenlehre, RWTH Aachen, 52056 Aachen, Germany J. Kolb Department of Economic Geology, Geological Survey...Biswas 1990; Giritharan and Rajamani 1998). However, Kolb et al. (2005) determined two temporally distinct...distinct hydrothermal events in the Hutti gold mine and related the early fluid to amphibolite facies greenstone |  | | Report (chapter) | | gold mine. Gold anomalies in drillcores are identified updip and downdip from the current mine workings...lower. The comprehensive gold assay data from the mine, which are integrated with structural observations...2003; Dziggel et al. 2007; Saalmann et al. 2010; Kolb et al. 2015). Many orogenic gold deposits developed...and folding, affecting the distribution of gold (Kolb et al. 2004; Rogers et al. 2013). Deformation events...constrain the 3D geometry of the deposit and assess the mine-scale geochemical, lithological and structural controls |  | | Report (issue) | | Nations Development Program US United States USA United States of America USGS United States Geological...(Cline and others, 2005), best recognized in Nevada, USA, are less well understood and show characteristics...drakeresources.com.au/mauritania; table 1), are recognized north of latitude 21o in Mauritania, a region that includes...Mauritania. 4 Further assessment of this region north of latitude 21o for gold resources in Paleoproterozoic...Northern Territory, Australia and at Homestake, USA. Reported K-Ar ages on hydrothermal sericite of 1 |  | Ni, Jinlong, Liu, Junlai, Wang, Jingcao, Tang, Xiaoling, Wang, Zhong, Li, Zengsheng, Li, Dapeng (2019) Ductile shear deformation and gold mineralization in the Hetai goldfield of the Yunkai Massif, South China Block. Geological Journal, 54 (2) 929-945 doi:10.1002/gj.3430 | Journal (article/letter/editorial) | | China 5 analyses together with zircon U–Pb and muscovite 40 Ar/39Ar geochronology on tile shear zone...microstructural analyses along with zircon U–Pb and muscovite 40 Ar/39Ar Ductile shear zone (DSZ) plays an...Southeast Asia, the 2016), the Hoggar Shield in North Africa (Aissa & Marignac, 2017), and South China...Hutti‐Maski granite‐greenstone belt in India (Rogers, Kolb, Meyer, blocks: the Yangtze Massif, Jiangnan Orogen...The Qinling‐Dabie‐Sulu Orogen is located to the north Over the past several years, researchers have extensively |  | | Journal (article/letter/editorial) | | 2015, Vol. 79(4), pp. 815–855 Metallogeny of the North Atlantic Craton in Greenland JOCHEN KOLB1,*, LEON...2015; Associate Editor: R. Mitchell] ABSTRACT The North Atlantic Craton (NAC) extends along the coasts of...March 2014 NAC Conference on the North Atlantic Craton. JOCHEN KOLB ET AL. sulfide (VMS) deposits in...eastern coast (Fig. 1). These rocks represent the North Atlantic Craton (NAC), which has its largest areal...orogenic front ~100 km south of a proposed suture (Kolb, 2014; Nutman et al., 2008; van Gool et al., 2002) |  | Müller, Sascha, Dziggel, Annika, Sindern, Sven, Kokfelt, Thomas Find, Gerdes, Axel, Kolb, Jochen (2018) Age and temperature-time evolution of retrogressed eclogite-facies rocks in the Paleoproterozoic Nagssugtoqidian Orogen, South-East Greenland: Constrained from U-Pb dating of zircon, monazite, titanite and rutile. Precambrian Research, 314. 468-486 doi:10.1016/j.precamres.2018.07.002 | Journal (article/letter/editorial) | | Sindern, Thomas Find Kokfelt, Axel Gerdes, Jochen Kolb PII: DOI: Reference: S0301-9268(18)30117-7 https://doi...Dziggel, S. Sindern, T. Find Kokfelt, A. Gerdes, J. Kolb, Age and temperaturetime evolution of retrogressed...a, Thomas Find Kokfelt b, Axel Gerdes c, Jochen Kolb b, d a RWTH Aachen University, Institute of Applied...et al., 1992; Smelov and Beryozkin, 1993), the North China Craton (Zhao et al., 2001; Guo et al., 2002;...1989; Messiga et al., 1990; Nutman et al., 2008; Kolb, 2014; Müller et al., 2018; Dziggel and Müller, |  | | Journal (article/letter/editorial) | | purposely lacking, as all information on regional and mine geology, host rock and ore sample descriptions,...Ajjanahalli Chitradurga boundary shear zone Renco North Limpopo thrust zone (high-T mylonite zone) Hutti...albite, actinolite, tourmaline, calcite 2nd stage: muscovite, epidote, chlorite, quartz, calcite Pilgrims’s...thanks to Annika Dziggel, Alex Kisters and Jochen Kolb for their invaluable contributions, knowledge and...11. 12. 13. 14. 15. 16. 17. 18. 19. 20. 21. Kolb, J.; Dziggel, A.; Bagas, L. Hypozonal lode gold |  | Kolb, Jochen, Keiding, Jakob K., Steenfelt, Agnete, Secher, Karsten, Keulen, Nynke, Rosa, Diogo, Stensgaard, Bo M. (2016) Metallogeny of Greenland. Ore Geology Reviews, 78. 493-555 doi:10.1016/j.oregeorev.2016.03.006 | Journal (article/letter/editorial) | | Metallogeny of Greenland Jochen Kolb, Jakob K. Keiding, Agnete Steenfelt, Karsten Secher...2015 10 March 2016 Please cite this article as: Kolb, Jochen, Keiding, Jakob K., Steenfelt, Agnete, Secher...geology from North-West Greenland along the coast to the south and along the eastern coast north to Kangerlussuaq...sedimentary exhalative ZnPb Citronen deposit in central North Greenland. The Caledonian and subsequently the Ellesmerian...Europe, although the island is situated on the North American plate. The most important source of income |  | Bineli Betsi, Thierry, Mokane, Lebogang, McFarlane, Chris, Phili, Kelebogile, Kelepile, Tebogo (2020) Multistage gold mineralization events in the Archean Tati greenstone Belt, northeast Botswana: Constraints from integrative white mica Ar/Ar, garnet U-Pb and sulfides Pb/Pb geochronology. Precambrian Research, 339. 105623 doi:10.1016/j.precamres.2020.105623 | Journal (article/letter/editorial) | | gneisses (Bagai et 145 al., 2002) and Phoenix Mine Gabbro (Van Geffen, 2004), the TTG from the TGB...Au-bearing BIF is within mainly quartz- 180 muscovite schist and occasionalyoccasionally in quartz biotite...accessory of quartz, biotite, chlorite, ilmenite and muscovite. Two sub samples/aliquots 380 (LBC-3(1) and...et al., 2010) Au deposits and the Zimbabwe Renco (Kolb and Meyer, 2002) 21 | P a g e 638 greenstone-hosted...the Homestake Au deposit of South Dakota in 670 USA (Goldfarb et al., 2005, Morelli et al., 2010), Musselwhite |  | | Journal (article/letter/editorial) | | et al. 1981) and from Ajjanahalli (five analyses, Kolb et al. 2004). We find craton-scale uniformity in...Chitradurga greenstone belt (Fig. 1). The Kolar mine produced 794 t of Au at an average grade of 25 g/t...(Sheshadri 1988). With decreasing ore grade, the mine was closed in 1997, along with those in the Ramagiri...mines (Uti and Hira-Buddini), apart from the major mine at Hutti, a world-class orogenic gold deposit (cf...The bulk of the gold mineralization in the Hutti mine occurs in the laminated quartz veins, within a sequence |  | | Journal (article/letter/editorial) | | of iron ore from Mesoarchean BIF at the Wodgina mine, Western Australia—Y. Teitler, P. Duuring, and S...Mojhgan A. Haghnegahdar, Edwin A. Schauble, Simon E. Jackson, and Stuart J. Mills 215 GEOLOGY OF ORE DEPOSITS...assemblages in the Stillwater Complex, Montana, USA—Hannah M. Aird, Katherine M. Ferguson, and Malia...deposit, South Greenland—Robin-Marie Bell, Jochen Kolb, Tod Earle Waight, and Leon Bagas The world-class...massive sulfide (VHMS) mineralization at Iheya North, Okinawa Trough, Japan— Christopher J. Yeats, Steven |
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