 | | Book | | Petrology Brennhausgasse 14, D-09596 Freiberg, Germany (e-mail, thomas.seifert@mineral.tu-freiberg.de)...late-Variscan ore mineralization in the Erzgebirge (Germany and Czech Republic). Located at the northwestern...Saxonian Erzgebirge in the south-eastern part of East-Germany (this study) and the Bohemian Krušné hory located...associated with the late-Variscan uranium-quartz-calcite vein-type mineralization which is controlled by...uranium district Ronneburg (eastern Thuringia, Germany) were investigated (Figures 1, 2; Tab. A1). For |  | | Catalog/List | | Manganite from Ilfeld in the Harz Mountains of Germany, with crystals up to 1.88 inches (4.74 cm) long...namesake for Heulandite - who was born in Bayreuth, Germany in 1778. Since he died in 1856, it is clear that...a modicum of the original coarsely crystalline Calcite matrix has been left. The rounded Talmessite crystal...92 cm) across are scattered over the top of a Calcite or Aragonite layer showing white fluorescence under...rich Native Silver usually associated with white Calcite veins. Within those veins, crystals of virtually |  | | Report (volume) | | ...................... 132 133 135 135 136 137 137 137 140 141 142 Producing mines............................................................ 197 Germany..................................................Cuba, smaller amounts being obtained from Russia, Germany, Great Britain, Belgium, Japan, the East Indies...(calcimangite, spartaite).................. (Ca,Mn)C03 . Calcite (CaC03) with varying aruounta of manganese.. Manganosiderite...Tephroite and rhodonite are present in some ores and calcite forms the-gangue. During the roasting the zinc |  | Dunham, K. C., Wilson, A. A. (1985) Geology of the Northern Pennine Orefield (1st ed.) Vol. 2 - Stainmore to Craven - Economic memoir covering the areas of one-inch and 1:50 000 geological sheets 40, 41 and 50, and parts of 31, 32, 51, 60 and 61, New Series. Natural Environment Research Council, London. | Book (volume) | | accompanied by witherite, is more widespread, while calcite is generally present. Structurally, the stable...concentrates, fluorspar, barytcs, 'calamine' and calcite 6 Analyses of granite-bearing sediment and solid...altered limestone 93 Analyses of aragonite and calcite, Stool Mine, Grassington 94 Proximate mineral compositions...reco\·cry of fluc)rspar, baryte, witherite anci calcite frorr1 the vvastes and unworked ground Plate 2...brought skilled miners from the Clausthal area of Germany to her mines near Keswick in Cumberland and they |  | | Report (issue) | | ................................................137 Clarke Head occurrence.............................. . . . . . . 80 5. Fossil wood replaced by calcite, Shepody beach, New Brunswick.. . . . . . . . .... . . . 193 24. Lakeview Gold Mining Company shaft, Waverley, Nova Scotia.. . . . . . . . . . . 194.... . . . . . . . . 282 41. Carleton mine main shaft, Nova Scotia. . . . . . . . . . . . . . . . . .... . . . . . . . . 302 42. Cream Pot mine west shaft, Nova Scotia. . . . . . . . . . . . . . . . . . |  | | Report (issue) | | chlorite, magnetite, and rarely clinozoisite and calcite. Accessory minerals are sparse in most of the rocks...is also well exposed in the vicinity of the mine shaft in the northwest corner of sec. 21, T. 7 N., R....quartz, albite, potassium feldspar, sericite, calcite, pyrite, magnetite, and leucoxene. Quartz phenocrysts...groundmass; many are cut by small veinlets of calcite, quartz, and groundmass. Phenocrysts ·of feldspar...replaced by sericite; others ·are replaced by calcite, epidote, and clay minerals. Only potassium feldspar |  | | Book | | John Park 2012 Cover photo: Sterling Hill West Shaft Headframe PREFACE For the purpose of this work...locations, such as the location of the Sterling Shaft—my initial guestimate was inaccurate, but it was...refer to the same structure: “West Shaft Hoist House”, “West Shaft Engine House”, “Sterling Hill Hoist...named “Trotter openings”, when the name “Trotter Shaft” is encountered in the literature, it almost invariably...two different shafts—the #4 Trotter Shaft, or the Trotter Timber Shaft (which was never part of the 19"-Century |  | | Report (Issue volume) | | \Yater-level 18� feet down. Yield 6,000 gallons an hour. Shaft (the rest bored) Chalk Chalk and flints .. Black...R. HAINES (plumber), Egham. (Memoirs, vol. iv.) Shaft 60 feet. Wate1· 35 feet down. London Clay, rather...He:aley-on-Thamea) 1872. Made and communicated by MR. R. PATEN. Shaft 246 feet, the rest bored. Chalk and flints [ ? flints...Illustrated London News, 1 1th. June, 1887, p. 664. Shaft, lined with stone for 60 feet. 50 Through mound...commurlicated by MR. R. B. PATEN, of St. Albans. Shaft 186 feet, the rest bored . ,c. Clay and stones - |  | | Book (volume) | | 175 - fm . Level east of New 321 Cooks Kitchen Shaft Fig. 19.-- South Crofty Mine ; Main Lode at 290-fm...New FIG . 30.-Section through Penhalls Engine Shaft at 50 -fm . Level 322 323 324 324 328 342 348 365...Polberro and West Kitty mines .. 468 Cooks Kitchen Shaft Fig. 20.-South Crofty Mine ; No. 3 Lode, 290 -fm...the two engine houses, which are at Crowns Engine Shaft. (A.8077) .. 75 B .--BOTALLACK MINE. A picture...picture taken when workings at Crowns Engine Shaft were active, possibly about 1870. The engine houses on the |  | | Book (volume) | | Lode at 175-fm. Level east of New Cooks Kitchen Shaft ........................................... 321...Lode at 290-fm. Level west of New Cooks Kitchen Shaft . . . . . . . . . . . . . . . . . . . . . . . .... 463 F10. 30.-Section through Pen.halls Engine Shaft al 50-fm. Level ................. 464 F,o. 31.-Transverse...the two engine houses, which are at Crowns Engine Shaft. (A.8077). . . . . . . . . . . . . . . . . . . ... A picture taken when workingsat Crowns Engine Shaft were active, possibly about 1870.The engine houses |  | | Book (volume) | | Lode at 175-fm. Level east of New Cooks Kitchen Shaft . . 321 Fro. 19.-South Crofty Mine; Main Lode at...at 290-fm. Level west of New Cooks Kitchen Shaft . . 322 JG . 20.-South Crofty Mine; No. 3 Lode, 290-fm...Mine 463 FIG. 30.-Section through Penballs Engine Shaft at 50-fm. Level 464 Fro. 31.- Transverse section...Engine Shaft. (A.8077) . . B.- BOTALLACK MINE. A picture taken when workings at Crowns Engine Shaft were...came Shaft, at the landward end of the workings. In the middle distance, left, is Wethered Shaft, where |  | | Report (volume) | | bed, about three feet thick, was found in the shaft at a depth of 60 feet. There is a very good section...At the lime-kiln, higher up, I WM told that the shaft was sunk through 43 feet of the sand (blackish and...at the lower pal't) to the Chalk, into which the shaft is carried 20 feet further, when " stone" is touched...the pit being somewhat higher than the top of the shaft. Jn the wood, between the lime-kiln and the large...Stone V �t Green, West,,·ood, and Betsbam, and many shaft, to get to the chall{ below. The base-bed is also |
|
