 | | Journal (article/letter/editorial) | | Guanajuato (Mexico) and has become the richest silver mine in the world, in more recently Bou Azzer and Imiter...ceased vein. The San Juan production by the de Rayas mine in time of World War II. Guanajuato also In 1946...very city In Morocco, the of Oberschlema Bou Azzer mine, itself, which finally already very had to be relocated...and east of Schlema, 2014 Tucson show. The Imiter mine began its modern producing many quality specimens...outcrop them”. next to the La Estrella The most famous mine, in Pardos, locality for this type Guadalajara (Spain) |  | | Journal (issue) | | from the 1700 level, Zinc Corporation mine, Broken Hill, New South Wales, Australia. Collection of the...collection, John Chapman photo. • 2.5 cm, Top Camp mine, Western Ausytralia. George Stacey collection, Jeff...Scovil photo. Middle row from left: • 2.3 cm, Kintore mine, Coolgardie, Western Australia. Aloe Family collection;...Chapman photo. • 1.4 cm, Chapman’s Gully, South Australia. South Australian Museum collection; Jeff Scovil...Jeff Scovil photo. • 4.2 cm, Mongalata goldfield, South Australia. Geoscience Australia collection; Jeff |  | | Journal (article/letter/editorial) | | Monroy et al., 1993). Figure 2 illustrates porous hematite grains containing very small Au particles after...(PIXE) (Cabri, 1988; Ashley et al., 2000) allow local probe analysis with submicron lateral resolution...laboratory experiments FIG. 2. (a) SEM BSE image of hematite grains (small white grains) within a roasted arsenopyrite...arsenopyrite concentrate from the Le Châtelet mine and (b) corresponding zoom image of the white square...overlap of zonings and positive correlation of local contents. Only a multidisciplinary approach can |  | | Report (issue) | | things here from the famous Little Three mine, Ramona district, San Diego County, California, the star...topaz: Topaz, 6 cm, from the Little Three mine, Ramona district, San Diego County, California. Ex Bryant...impressive: Axinite, 5 cm, from the Little Three mine, Ramona district, San Diego County, California. Ex Bryant...the Pala district, San Diego County, especially from the Stewart mine. And from the Himalaya mine, Mesa...Mesa Grande district, San Diego County, Dave offers (besides plenty of elbaites) such rarities from that |  | | Journal (article/letter/editorial) | | fresh drill core from the Kaapvaal Craton in South Africa and from the Pilbara Craton in Australia vary...Chemical Geology 218 (2005) 135–169 ered in South Africa and Australia. They are 3.25 to 2.20 Ga in age...and exposed on the Kaapvaal Craton of southern Africa (Fig. 1) and on the Pilbara Craton in the Pilbara–Hamersley...metamorphism, generally less than greenschist facies. South African samples are from the ~ 3.3 Ga Fig Tree Group...Swaziland Supergroup is exposed in the 3.4 to 3.1 Ga Barberton Greenstone Belt located in the eastern part of |  | | Catalog/List | | sunbust effect , cut and polished slab 2.5 xl .5 Mine de L' Etoile Congo £20 3. LEPIDOLITE, choice display...fine pale green fibrous mass with some quartz. 3x2 South Norway £6 Selasvatn 9. TOURMALINE dark green elongated...NATIVE SILVER thin sheet about lxl.5 inches La Noria mine, San Martin, Zacatecas Mexico £15 , 16. NATIVE COPPER...nice Ix 2.5 inch exposed cleavage surface. Mission Mine, Pima County, Arizona USA £25 17. GRAPHITE, pure...pure metallic mass about 2x4 inches Ratnapure district SriLanka £15 18. BARITE very well formed single |  | | Journal (article/letter/editorial) | | Controlin the SteynsdorpGoldfield, Barberton Mountain Land, South Africa R. P. VILJOEN',R. S^AGER,A•rD M...V•tJOEN Abstract The Barberton Mountain Land of the Republic of South Africa representsa typical early...SteynsdorpGoldfield in the southernportion of the Barberton belt has revealed a remarkable structural and...mineralizationalong the northern flank of the Barberton Mountain Land. Finally a scheme,basedmainly...general. Introduction T•- Barberton Mountain Land of the Republic of South Africa, constitutesa typical early |  | | Journal (article/letter/editorial) | | of gold mineralisation in the Barberton Greenstone Belt, South Africa M.A.H. Altigani, R.K.W. Merkle...Pretoria, Private Bag X20, Hatfield, Pretoria 0028,South Africa a r t i c l e i n f o Article history: Received...2015 Available online 18 December 2015 Keywords: Barberton Gold Hydrothermal Halogen Mineralisation a b... Fairview, and New Consort gold mines in the Barberton Greenstone Belt (BGB) identify two main types...Introduction The Barberton Greenstone Belt (BGB) of the Kaapvaal Craton, South Africa (Fig. 1), is one |  | | Journal (article/letter/editorial) | | Mesoarchean mineralisation in the Barberton Greenstone Belt, South Africa Andrea Agangi a,⁎, Axel Hofmann...University of Johannesburg, Auckland Park 2006, South Africa Materials Research Department, iThemba LABS...Foundation, PO Box 722, Somerset West 7129, South Africa AGH University of Science and Technology, Faculty...Mesothermal gold Pyrite Arsenopyrite Archean Barberton Greenstone Belt a b s t r a c t The Fairview...gold mines in the Paleoarchean Barberton Greenstone Belt of Southern Africa. At these mines, gold is associated |  | | Journal (issue) | | Twenty-three, Number Three ® Articles Gold in South Africa ..............................................Cairncross & C. R. Anhaeusser Minerals of the Linwood mine, Scott County, Iowa ............. 231 by P. L. Garvin...and this must have introduced him to many other local mineral collectors and possibilities for further...of this typically natrolite covered material for local dealers as well as himself. He used much of this...in the still open underground workings of the Gem mine. He encountered an open pocket containing well formed |  | | Report (edition) | | Geology. It holds lecture meetings in London and, via Local Groups, throughout England and Wales. It conducts...Cornwall. Front Cover: Old engine house, Botallack Mine (photograph David Alderton). Geologists Association...End Peninsula II Mount's Bay 1 4 III St. Agnes District IV Falmouth Bay V The Lizard Peninsula REFERENCES...Megiliggar Rocks 23 13. Map of the St. Agnes district 26 14. North-south cliff section through the Cligga...the Mylor Granite I - 1 Devonian sediments • S t Agnes IMOLizard complex • Truro Redruth• Camborne. mouth |  | | Catalog/List | | attention at all times. JULY 1973 1. ADAMITE. Ojuela Mine, Mapimi, Mexico. Choice well-formed yellowish green...gossan. lxl lT • £1- 6. ARTHURITE. Hingston Down Mine, Gunnislake, Cornwall. Rich green crystaline to... 8. Li~ht green 2tx2t". £1. AUTUNITE. South Terras Mine, st. Stephens, Cornwall. Light yellowish green...Quartz matrix. 2xlt". £2.50. A?1JRITE. Copper Queen Mine, Bisbee, Arizona, U.S.A. Bright blue cellular mass...crystals. 3tx2t". £10. 10. A?1JRITE. Carharrack Mine, Gwennap, Cornwall. Fine bright blue platy crystals |  | | Book (edition) | | Balleswidden ..... 96 3 Balmynhear (Addenda) Beam Mine (Addenda) 92 Blue Hills .. 40 Bonney 52 Boscaswell...Calstock Consols : 45 68 vi Page Camborne Vean Mine 21 Ditto ( Alterations) 90 Cape Cornwall . Caradon...Cargoll 45 Carn Brea Mine Carne Camborne Charlestown United Mines Chiverton Mine Chiperton Moor ... Chiverton...Valley .. 46 21 53 45 46 Clifford Amalgamated Mine....... 36 Colquite and Callington United Mines...Kitchen ....... 26 32 Copper Hill Mine Cornwall Hematite Iron Mine ( Addenda ). 95 Craddock Moor 60 |  | | Report (edition) | | Peninsula II. Mount's Bay II I. St. Agnes District IV. Falmouth District V. The Lizard Peninsula EDITED...and gr:,nitc: also outcrops at Cligga I lead, St. Agnes Beacon and St. Michael's iviount. The ar..:a is...1860s, and although it has ceased in other parts of south-west England, it stiU con tinues in the west of...arc being worked at Gcevor Mine in the Land's End peninsula and at South Crofty, Pcnclarvcs, Wheal Janes...patches of sand and clay found at St. Enh, St. Agnes Beacon and several other places; they arc probably |  | | Catalog/List | | in phosphatic nodule. 2-}xlt". £2. Virtuous Lady Mine, Nr. Tavistock, Devon. Sharp, Blt\ish-black crystals... emerald green crystals thickly intergrown on hematite matrix. 2-~·x2t" • :£4.50. 7. ATACAMITE. Chuquicamata...from £1 - £2. 10. i1.ZURITE. Nolda\'IQ, Banat District, Hungary. Bright blue druay crystals associated...£3·5°· BOULaNGN~ITE. 14. BOlJ1\NONITE. Herodsfoot Mine, Lanrcath, Corn\1all. Steel grey tabular crystals...QUMine, st. Just, Cornwall. Creamy coloured, modified cubic |  | | Catalog/List | | . 4~x3x1~ ", £14 .00 2. ALSTONITE. Fallowfiel d Mine, Hexham , Northumberland . Specimen A: Sharp creamy-... 2x1tx1t;-" , , £3. 50p , 8 . OARYTES . Mowbray Mine , Frizington , Cumberland. Sharp clear slight l...£6 . 00 9 . oEUDANTITE . Ts umeb , Otavi, S . W. Africa. Minute dark olive coloured spaEkling crystals...lcopyrite. 3x2tX1-t" , £7 . do 11 . ooTALLACKITE. Levant Mine , Pendeen , Cornwall. Small bright green well formed...formed cryst als scattered over quartz/hematite veinstuff . Specimen A: ztx2 " , £5 . 00. Specimen 0 : |  | | Report (edition) | | Geology. It holds lecture meetings in London and, via Local Groups, throughout England and Wales, conducts field...Association. Front Cover: Old engine house, Botallack Mine (photograph: David Alderton). Geologists’ Association...End Peninsula II Mount’s Bay 15 III St. Agnes District 24 IV Falmouth Bay 29 V_ The Lizard Peninsula...Upper Devonian Granite [ ] Devonian sediments eSt Agnes EER Lizard complex @ Truro Redruthe {+3 Cambornee...the structurally very complex section along the south coast between Porthleven and the Lizard. In accounts |  | | Journal (article/letter/editorial) | | lodes associated with D the Carnmenellis and St Agnes granites, which are the districts that had the highest...chalcopyrite, sphalerite and stannite group minerals with local concentrations within cassiterite and tennantite...magmatic-hydrothermal vein minerals in crosscourse fluids. Local concentrations reach 140 ppm In. The region-wide...parageneses in SW England are comparable to the CE P South China Tin Belt, Mount Pleasant, as well as Erzgebirge/Krušné...(Dines 1956; Burt 1998). Studies of the ores and mine waste have revealed that many more metals and D |  | | Book | | Acknowledgements IV Introduction VI The geology of south-west England • 1 The mines and mining 15 Collectors...to the exploitation of the miµeral fields of the south-west peninsula lends additional historical, social...coastal scenery in the The metallogenic province of south-west England is a British Isles. Much of the southern...Devon, including the places cliff scenery on the south coast can be both spectaDartmoor granite. Cornwall...ments of the subject: British regional geology - south-west out above moorland or rough pasture (fig.4) |  | | Catalog/List | | 70x80x30mm. £45. 5) BARITE. Wilsons Stope, Hilton Mine, Scordale, Cumberland. A nice clean and undamaged...label. 30x30x15mm. £18. 7) CALCITE (Co). Tynebottom Mine, Alston Moor, Cumberland. A nice lavender coloured...100x70x40mm. £35. 9) CALCITE. 15 Coronation Lode, Geevor Mine, Pendeen, Cornwall. Quartz veinstone with the upper...collection. 80x60x18mm. £165. 11) CASSITERITE. Pendarves Mine, Camborne, Cornwall. A small group of ironstained... £30. 14) CASSITERITE ALLUVIAL. Neineis, South West Africa. A single dark brown water worn pebble. Old |  | | Journal (article/letter/editorial) | | THE ROOIBERG AND LEEUWPOORT TIN TRANSVAAL, SOUTH AFRICA A. PART LEUBE I. GENERAL AND E. F. AND.......................................... 415 B-Mine (Nieuwpoort)......................................characterizedby the associationof cassiterite with magnetite,hematite,pyrite and chalcopyrite. The resultsof spectrographicand...fields, the largest tin producerin the Republicof South Africa, was nearly 900 1.t. metallic tin in 1961. ...farms Nieuwpoort (B-Mine) about 5 miles east of Rooiberg,Leeuwpoort (C-Mine) in the south of the area, and |  | | Catalog/List | | arsenopyrite. 3x2~x1t", £13.00 . 5. Hingston Down Mine: nr. C~llington, Cornwall. Rich apple green micro...CABRERITE (Magnesian Annabergite). Laurium, Attica district, Greece. Light green small sharp crystals lining...cm in size. Some of the crystals have reddish hematite inclusions, and the reverse side of the specimen...1~1fx1", £3.2Sp 17. CASSITERITE. Seal Hole Mine, St. Agnes, Cornwall. Bright deep brownish sharp crystals...1-tx1tx1" , £12.00 1B. CASSITERITE. Blue Hills Mine, St. Agnes, Cornwall. Rich heavy light brown mass with |  | | Catalog/List | | (MM’s) LOT No: 1 ACC No. 795. ARTHUR1TE, HINGSTON MINE. DRAKEWALLS. GREEN XSTLS IN SHALLOW CAVITY (50 X... 30 4 ACC No. 760. OLIVENITE, BEDFORD UNITED MINE, GULWORTHY. CRYSTALS ON ONESIDEOFTHESLATEY KILLAS...QUARTZ MATRIX. COOK’S KITCHEN SECTION, DOLCOATH MINE. COLL 1892. 80x70 8 ACC No. 1056. CASSITERITE...1036. CASSITERITE (VAR WOOD TIN) WHEAL KITTY, ST. AGNES. COLLCI920’S. 25x20 ACC No. 1037. CASSITERITE...PSEUDOMORPHING ORTHOCLASE FELDSPAR, WHEAL COATES, ST. AGNES. (EXC.V.SMALE) 40X20 14 ACC No. 1025. CASSITERITE |  | | Journal (issue) | | ................................ 218 The Levant Mine carbona. By N.J. Jackson ..................................... 228 Mineralization of the Exmoor district (Abstract). By F. J. Rottenbury...................... 280 A revision of the geology of the St. Agnes outlier, Cornwall (Abstract). By K. Atkinson, M...286 Observations on the basal hardpan of the St. Agnes Beds, Cornwall (Abstract). By Keith Atkinson......iron-rich tourmalines from the Hercynian granites of South-West England and elsewhere, but a plea is made for |  | | Book | | omissions and The Work as a of Reference for the Mine Agent, and the Working Miner faults are his excellencies...becomes strongly magnetic ; peroxide of iron (Hematite) is black while hot, but dark reddish-brown when...substance is altogether unknown, of minerals in the district under consideration, a of time deal may often...therefore give a list of those which occur in the district under consideration, with short remarks upon...AGNESITE. So called because it was found at St. Agnes, Cornwall. ALBITE. (Lat. Alba, white.) First described |
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