 | Christie, A. B., Simpson, M. P., Brathwaite, R. L., Mauk, J. L., Simmons, S. F. (2007) Epithermal Au-Ag and Related Deposits of the Hauraki Goldfield, Coromandel Volcanic Zone, New Zealand. Economic Geology, 102 (5) 785-816 doi:10.2113/gsecongeo.102.5.785 | Journal (article/letter/editorial) | | Deposits of the Hauraki Goldfield, Coromandel Volcanic Zone, New Zealand ANTHONY B. CHRISTIE,ā GNS Science...Science, P.O. Box 30-368, Lower Hutt 5040, New Zealand MARK P. SIMPSON, School of Geography, Geology and...1142, New Zealand ROBERT L. BRATHWAITE, GNS Science, P.O. Box 30-368, Lower Hutt, New Zealand JEFFREY...92019, Auckland Mail Centre, Auckland 1142, New Zealand Abstract Epithermal Au-Ag vein deposits of the...the Hauraki goldfield in the Coromandel volcanic zone, New Zealand, produced 320,000 kg Au and 1.5 million |  | | Book | | UC-NRLF NEW ZEALAND of department Geological Survey Branch (P. G. Morgan, Director). LIST...LIST OF THE MINERALS OF NEW ZEALAND, BY P. O. Issued MORGAN AND under the authority of the Hou, J...Z. JOHN MACKAY, GOVERNMENT PRINTER 1913. NEW ZEALAND-!, n Department jfe 5j Geological Survey...Morgan, Director). LIST OF THE MINERALS OF NEW ZEALAND, P. Issued O. MORGAN AND under the authority...Minerals . . ... LIST OF THE MINERALS OF NEW ZEALAND INTKODUCTION. FOR many years there has been |  | | Journal (article/letter/editorial) | | 17, 1987; accepted December 21, 1987 Summary Electrum, hessite, petzite and sylvanite have been recorded...+ Mo mineralization associated with the Late Caledonian granites. Zusammenfassung Die Gold-Silber-Gang-Vererzung...the area. Pattrick (1981, 1985) reported minor electrum mineralization in pyrite from the Mother Reef...quartz veins 200 m to the west of the Tyndrum Pb + Zn mine (Fig. 1) which contain up to 4.32 oz/ton Au and...relatively rare, forming ~<20 gm inclusions in pyrite. Electrum is the most common Ag and Au phase and exists |  | | Journal (article/letter/editorial) | | book reviews are placed at the end. Aenigmatite, New South Wales, 241 Agnesite, Cornwall, 731 ALDAHAN...hessite and electrum, 179 AL-HERMEZl, H. M., MCKIE, D., and HALL, A. J., baghdadite, new mineral, 119...reclassification, 533; Pakistan, sodic, in fenites, 187; New South Wales, 241 Amphibolites, Scotland, eclogitic...Norway, 503 ANTARCTICA,ElephantIsland, spheniscidite, new mineral, 291 Apatite, 3 APPEL, P. W. U., gahnite...evolution of coronitic microstructure, 469 AUSTRALIA, NEW SOUTH WALES, Broken Hill, Z n - M n carbonates, 49; |  | | Journal (article/letter/editorial) | | Netherlands Ore mineralogy of the Appalachian-Caledonian stratabound sulfide deposits James R. Craig a...F.M., 1992. Ore mineralogy of the Appalachian-Caledonian stratabound sulfide deposits. Ore Geol. Rev....that occur along the length of the Appalachian-Caledonian orogen have been tabulated. The minerals reflect...at hundreds of localities in the Appalachian-Caledonian orogen (Fig. 1). The deposits have, at various...Correlation Programme (IGCP) Project 60 "Correlation of Caledonian Stratabound Sulphides" resuited in the publication |  | Parnell, J., Earls, G., Wilkinson, J. J., Hutton, D. H. W., Boyce, A. J., Fallick, A. E., Ellam, R. M., Gleeson, S. A., Moles, N. R., Carey, P. F., Legg, I., Carey, P. F. (2000) Regional Fluid Flow and Gold Mineralization in the Dalradianof the Sperrin Mountains, Northern Ireland. Economic Geology, 95 (7) 1389-1416 doi:10.2113/gsecongeo.95.7.1389 | Journal (article/letter/editorial) | | the northeast-southwest Omagh thrust. These are Caledonian structures resulting from the thrusting of Dalradian...appears to have been associated with the main Caledonian metamorphic event (ca. 470 Ma) and is nonauriferous...mineralization characterized by an assemblage of electrum, pyrite, arsenopyrite, chalcopyrite, tennantite-tetrahedrite...flow resulted in the remobilization of earlier electrum, reducing its fineness, and also introduced base...NUMEROUS gold prospects have been discovered in the Caledonian basement rocks to the north of the Iapetus suture |  | | Journal (article/letter/editorial) | | association with several fold belts from the Caledonian to Yanshanian orogens, while types 2, 3 and 4...~ Proterozoic basement GEOSYNCLINE hasa ~ Caledonian orogen [ I Hercynian orogen Types of Silver...older, rigid blocks are several foldbelts of the Caledonian, Hercynian, Indosinian, Yanshanian and Himalayan...remains unclear. For many years it was considered a Caledonian orogen, joined to the Yangtze paraplatform after...mid-Paleozoic, as evidenced by extensive exposure of Caledonian metamorphic and migmatic rocks in the Wuyi and |  | Chapman, R. J., Leake, R. C., Bond, D. P. G., Stedra, V., Fairgrieve, B. (2009) Chemical and Mineralogical Signatures of Gold Formed in Oxidizing Chloride Hydrothermal Systems and their Significance within Populations of Placer Gold Grains Collected during Reconnaissance. Economic Geology, 104 (4) 563-585 doi:10.2113/gsecongeo.104.4.563 | Journal (article/letter/editorial) | | placer gold in the Nokomai River catchment, New Zealand. Several workers have commented on the presence...during the closure of the Iapetus Ocean during the Caledonian orogeny (Anderton et al., 1979). These underwent...deformation in Caledonian times with associated orogenic gold mineralization. Caledonian magmatism resulted...intrusion of granites or granodiorites. Following the Caledonian deformation, a period of rapid uplift and erosion...Europe situated in its arid hinterland. This was the New Red Sandstone continent, and much of the Late Carboniferous |  | Chapman, R. J., Leake, R. C., Moles, N. R., Earls, G., Cooper, C., Harrington, K., Berzins, R. (2000) The Application of Microchemical Analysis of Alluvial GoldGrains to the Understanding of Complex Local and Regional GoldMineralization: A Case Study in the Irish and Scottish Caledonides. Economic Geology, 95 (8) 1753-1773 doi:10.2113/gsecongeo.95.8.1753 | Journal (article/letter/editorial) | | Kingdom Abstract Terranes of the Appalachian-Caledonian orogen north of the Iapetus suture host gold...by the British Geological Survey, identified many new gold occurrences and resulted in the discovery of...unmetamorphosed sedimentary cover Northwestern boundary of Caledonian orogen Zone of northwesterly directed thrusting...Connemara Group E Iapetus suture Leinster Lake District 0361-0128/98/000/000-00 $6.00 Major terrane...18 = Gwynfynydd mine, Dolgellau gold belt, North Wales. throughout the study region through characterizing |  | | Journal (article/letter/editorial) | | associated with granitic lenses intruded into a small Caledonian diorite body. The mineralization occurs as disseminations...amounts of chalcopyrite, pyrrhotite, sphalerite, electrum, schirmerite, and lillianite homologues. The mineralogy...amount of copper mineralization occurs in a late Caledonian diorite intrusion. F o u r km to the south at...Diorite ,<,+ B I .%;I'.o~'I: ~ . _ ~, bY;7 Mine ,, .... Quartz Vein o eo...E . o = km 1 ...molybdenite have been reported from the Tomnadashan mine along with the gangue minerals calcite, quartz, |  | | Report (chapter) | | of Scotland remains controversial. An extensive new dataset of S-isotope analyses from the Tyndrum area...amphibolite grade during the Grampian Event of the Caledonian Orogeny (Oliver 2001; Stephenson et al. 2013)...at Curraghinalt, and its only active metal (gold) mine From: Jenkin, G. R. T., Lusty, P. A. J., McDonald...Curtis et al. 1993). This paper presents an extensive new S-isotope dataset for sulphides from Cononish and...basement rocks, combined with no evidence of pre-Caledonian mineral ages in the Dalradian Supergroup (Noble |  | | Journal (article/letter/editorial) | | are identiĀ®ed in sulphide samples from Bleikvassli mine, Norway. Detailed optical microscopy and electron...mobilisates display considerable Au enrichment; electrum can be conĀ®rmed, intimately associated with jordanite...25 g/t Ag since production commenced in 1957. The mine is at present closed, due to severe ĀÆooding taking...hosting the ore body, locally referred to as the Mine Sequence, the structurally uppermost part of the...sedimentary rocks in the Okstindan area and, based on new geochemical data, have favoured, formation in a spreading |  | | Journal (article/letter/editorial) | | deposit research in progress; and Metallogeny of new jurisdictions. Geology and geochemistry of granites...in the evaluation of a deposit and planning of a mine or quarry, completely separate from the exploration...base for mining enterprises is important for the region that includes geological structures of the Greater...belt published in recent years correspond to the Caledonian cycle. Precambrian cycle is characterised by...Cu mineralisation (Andreev, Suuk-Bulak, etc.). Caledonian formations of the Charsk zone are represented |  | Power, M. R., Pirrie, D., Jedwab, J., Stanley, C. J. (2004) Platinum-group element mineralization in an As-rich magmatic sulphide system, Talnotry, southwest Scotland. Mineralogical Magazine, 68 (2) 395-411 doi:10.1180/0026461046820194 | Journal (article/letter/editorial) | | present and is dominated by sperrylite, irarsite and electrum with subordinate merenskyite, michenerite and...from a NiAs liquid. Late-stage, cross-cutting, electrum-bearing chalcopyrite veins are consistent with...g. Farrow and Lightfoot, 2002), Norilāsk-Taimyr region (e.g. Komarova et al., 2002) and the Wellgreen...sulphide Minor Electrum, Pd-Bi-Te phases, sperrylite Electrum Sperrylite, irarsite, electrum Main PGM phases...mineralization crosscuts the earlier two assemblages. Only electrum can be proven to be associated with this stage |  | | Journal (article/letter/editorial) | | calc-silicate footwall at Sandsloot mine, Potgietersrus district, South Africa P. E. B. Armitage University...present study is based on fieldwork at the Sandsloot mine, an open-pit operated by Anglo Platinum, where siliceous...strike.2 Data from drill cores and mapping within the mine have shown the reef to consist essentially of two...Paul Armitage to carry out fieldwork at Sandsloot mine and the assistance of the staff of the geology department...department and assay laboratory at the mine is gratefully acknowledged. References 1. Buchanan D. L. |  | | Journal (article/letter/editorial) | | mineralization in the lower crust during the Caledonian; (2) subduction-related volcano-plutonic activity...potential for further mineral exploration in the region. The results of this work were published in Pirajno...Proterozoic basement is largely covered by Paleozoic (Caledonian-Hercynian Periods) terrigenous and carbonate...the largest and economically most important gold mine in the area. The hydrothermal mineral deposits of...late-post subduction activity in the Circum-Pacific region, and are temporally and spatially associated with |  | Rice, C. M., Mark, D. F., Selby, D., Neilson, J. E., Davidheiser-Kroll, B. (2016) Age and Geologic Setting of Quartz Vein-Hosted Gold Mineralization at Curraghinalt, Northern Ireland: Implications for Genesis and Classification. Economic Geology, 111 (1) 127-150 doi:10.2113/econgeo.111.1.127 | Journal (article/letter/editorial) | | Durham DH1 3LE, United Kingdom Abstract The Caledonian orogenic belt of northern Britain hosts some...main-stage deformation in the Grampian event of the Caledonian orogeny (ca. 465 Ma). Molybdenite (Re-Os) and...was emplaced during the Grampian event of the Caledonian orogeny. The ca. 10 Ma maximum possible mineralization...the latter part of the Grampian event of the Caledonian orogeny (Alsop and Hutton, 1993a) but later work...others (in Parnell et al., 2000) linked it to late Caledonian (Siluro-Devonian) intrusive activity. The second |  | | Journal (article/letter/editorial) | | of the Beijing district; and the central part of the Inner Mongolian AutonoĀ mous Region. The longitude...metallogenic belts and the secĀ ond largest gold-producing region in China (e.g., see Nie, 1997). At present, about...major tectonic units have been identified in the region: (1) the North China craton and (2) the Inner Mongolian-Hinggan...the Proterozoic. The influĀ ences of Paleozoic (Caledonian, Hercynian, and Variscan), Mesozoic (Indosinian... Cenozoic tectonism in the eastern part of the region was characterized by extension, subsidence, and |  | | Journal (article/letter/editorial) | | presence of two distinct metallogenic provinces. A region of basement uplifts, which are controlled by shear...one as a result of collision events, during the Caledonian Orogeny (ca. 400 Ma), the second during the Indosinian...microcontinent collisions in the western Pacific region. In this paper, the geology and tectonic history...mineralization and the tectonic and magmatic events in the region concludes the paper. As is most commonly quoted...is the period between ca. 1000 and 600 Ma, the Caledonian is between 600 and 405 Ma, the Variscan is between |  | | Journal (article/letter/editorial) | | of each mine and trial, from Panorama mine near Barmouth in the southwest to Prince Edward mine near Trawsfynydd...tellurides mineralization from an ore shoot at Clogau mine,28 with electron-microprobe confirmation of a number...a subsequent study of the mineralization at that mine.30 Most of the research carried out in the Dolgellau...gold-belt lode. Cut and polished slab from Cefn Coch mine. Section of lode 20 cm across; wallrock is black...suturing at grain boundaries. Sample from Gwynfynydd mine; field of view, 250 Āµm B205 Downloaded by [RMIT |  | Wang, Lixing, Zhao, Zhaoxia, Huang, Qinyi, Xu, Deru, Jiao, Qianqian, Chen, Genwen, Cai, Jianxin, Zou, Shaohao, Deng, Teng, Shan, Qiang (2020) The genesis of gold deposits in the Hetai goldfield, South China: New constraints from geochronology, fluid inclusion, and multiple isotopic studies. Geological Journal, 55 (4). 2447-2472 doi:10.1002/gj.3516 | Journal (article/letter/editorial) | | gold deposits in the Hetai goldfield, South China: New constraints from geochronology, fluid inclusion,...Handling Editor: L. Tang fineāgrained quartz (Q3) + electrum + polyāsulphides + sericite + chlorite and a late...the unclear generation relationship such as Caledonian, Indosinian, and Yanshanian orogenies (Jiao,...different auriferous quartz veins, yielding Early Caledonian posed of the Gaozhou Complex and Yunkai Group... (2006) proposed a zircon UāPb which have a Caledonian metamorphic age (ca. 440 Ma; Wan et al., age |  | | Book | | c::J SILURIAN ļæ½ ORDOVICIAN ā¢ ā¢ "'/ FAULT/LODE ļæ½ ā¢ MINE ā¢ Introduction - The Central Wales Orefield ...concentrates, sold by each mine to the smelters, became compulsory. Since that time, the district has a recorded...painstaking 4 Geology of the Central Wales Mining District detective work in various branches of the science...America. Geology of the Central Wales Mining District s The Geological Evolution of Central Wales:...rifting and 6 Geology of the Central Wales Mining District northward drift of Avalonia away from Gondwana |  | | Journal (article/letter/editorial) | | gneous an Ordovieian are terrane, during the Caledonian orogeny havebeeninterpreted asa productof late-stage...mixing of settingisotopicsystematics and introducing new mineral wt %), possibly phases (Kerrich,1986;Claou6-Long...veindeposit in NorthernIreland tellurides 1996). This electrum occurs as small, rounded grains within thatnotonlydocument...system. Wehaveuseda K.E. Developments scanthe Caledonian-Appalachian orogen(Soper,1988). Late drothermal...electron microscope-mounted cathodoluminescence Caledonian sinistral strike-slip movement consolidated the |  | Bao, Tan, Ni, Pei, Dai, Bao-Zhang, Wang, Guo-Guang, Chen, Hui, Li, Su-Ning, Chi, Zhe, Li, Wen-Sheng, Ding, Jun-Ying, Chen, Li-Li (2021) Pyrite Rb-Sr geochronology, LA-ICP-MS trace element and telluride mineralogy constraints on the genesis of the Shuangqishan gold deposit, Fujian, China. Ore Geology Reviews, 138. 104158pp. doi:10.1016/j.oregeorev.2021.104158 | Journal (article/letter/editorial) | | fineness of >920, additional gold-bearing mineral is electrum, with a fineness of 31 677~741. The gold-bearing...The Cathaysia Block was 110 reworked by the Caledonian Orogeny during the Early Paleozoic (Wang et al...al., 2013; 111 Shu et al., 2014, 2015). The Caledonian Orogeny resulted in strong intracontinental ...polymetallic metallogenic belt 127 of the coastal region, Southeast China (Fig. 1). Two types of gold deposits...Au-Cu polymetallic metallogenic belt of the coastal region, 129 Southeast China. One type of gold deposits |  | Hart, Craig J., Goldfarb, Richard J., Qiu, Yumin, Snee, Lawrence, Miller, Lance D., Miller, Marti L. (2002) Gold deposits of the northern margin of the North China Craton: multiple late PaleozoicāMesozoic mineralizing events. Mineralium Deposita, 37 (3) 326-351 doi:10.1007/s00126-001-0239-2 | Journal (article/letter/editorial) | | approximately 900 tonnes (t) of gold. The 1,500-km-long region is characterized by east-trending blocks of metamorphosed...previously reported KāAr determinations. Compiled and new stable isotope and ļ¬uid inclusion data show that...of Baotou City across Inner Mongolia Autonomous Region, northern Hebei Province, north of Beijing, and...gold-bearing quartz veins. Approximately 30% of the region is underlain by uplifted blocks of high-grade Archean...1993; Cai et al. 1996; Zhang et al. 1999). The region hosts several suites of late Paleozoic to Cretaceous |
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