 | | Journal (article/letter/editorial) | | altered to assemblages of epidote, calcite, clays, sericite, biotite, clinozoisite, chlorite, iron oxides...schists. Pelites Coarse grained leucocratic garnet-sericite schists with garnet porphyroblasts up to 1 cm...KI~AMM,U. : - - Chloritoid stability in manganese rida low-grade metamorphic rocks, VennStavelot Massif |  | Kolova, Elena E., Savva, Nataly E., Zhuravkova, Tatiana V., Glukhov, Anton N., Palyanova, Galina A. (2021) Au‐Ag‐S‐Se‐Cl‐Br Mineralization at the Corrida Deposit (Russia) and Physicochemical Conditions of Ore Formation. Minerals, 11 (2) 144 doi:10.3390/min11020144 | Journal (article/letter/editorial) | | Formation is overlapped by of theInAmgen’ tuffs sericite and sericite‐quartz alterations, acid effusives of the...Amgen’ Formation. Coarse-grained tuffs with sericite and sericite-quartz that gold grade in ores varies from...fill; besides, it is observed in combination with sericite and kaolinite in near-lode metasomatic formations...fischesserite. At 100Fe‐bearing withand the composition 2S – rida ores permits one to estimate the range of sulphur |  | | Journal (volume) | | Ductile Shear Zones in the Northern Red Sea Hills, Sudan and their Implication for Crustal Collision : D...Geological Mapping and Mineral Exploration in Northern Sudan using Satellite Remote Sensing: P. S. Griffiths...when the atmosphere began to build up in oxygen and blue-green algae commenced to flourish. One then finds...olivine (0) and silicified hopper crysta ls (h) in a sericite and iron oxide groundmass. T he silicificd cry~tal...banded gneisses are formed by fuchsite, chlorite, sericite and serpentinite layers in which protornylonitic |  | | Journal (article/letter/editorial) | | scattered colourless elinopyroxene and a little pale blue-brown alkaline amphibole. The quartzo-feldspathie...also contain variable amounts of a strongly zoned, blue-brown amphibole with very high dispersion, probably...specimens extensive alteration has formed coarse sericite, scattered epidote, and chlorite after the biotite...parameters of plagiocla~e feldspars. - - The soda-rida plagioclases. - - Min. Mag., 81, 47--68, 1956. TEIXEIRA |  | | Report (chapter) | | Gavarnie and of Bielsa the metamorphism is weak (sericite, chlorite, muscovite) ; around Aneto, limestones...albite and muscovite; pelitic rocks contain quartz, sericite and chlorite. Outside the segment calcareous rocks...scapolite, asbestos, phlogopite; pelitic rocks contain sericite, chlorite, muscovite. The metamorphism is probably...L. Lutetlan; fossils 0 1500 >2000 500 1800 Blue marls Flysch 6000 0 Palaeoc; Limestones, dolomites...faults: Mapa geol6gico de Espafia (1:200 000, L~rida 1947 and Huesca 1957), Seguret (1971). 35~-~9Planar |  | | Book | | Geological Sciences 27; Natural Science Photos 21 (top); RIDA/David Bayliss 28, 31, 33; David Wright 8, 16, 21...below). In this way, you will be able to deter¬ mine the structural features of the rocks and how they...igneous rocks If you ever have occasion to visit a mine, particularly a deep one, you will detect a gradual...contract during the cold night. Tunnel walls in a mine can collapse with explosive force because of the...modern Mississippi, and the lobate delta such as the Nile delta. In a simple delta, three main types of bedding |  | | Journal (issue) | | are ter the ore igh ich \dithe ong dicey le). rida. lit]Mri TTT | HAWTHORN 1} | 1] Fic. 4. obits...ing | : dist 1937 valu vari has exp! I help: the mine on t vein: thes supp the \ it is and these this...nitud in the a ae Nem vein gererally foo nerrow to mine _, fa thrs stretch qx 4 Ore on y, Jootwall split“...immediate locality the vein becomes too narrow to mine where the dip decreases, whereas in the Case II...consideraby. Locally, muscovite is partly supplanted by sericite, and chlorite replaces biotite. Sillimanite becomes |  | | Journal (issue) | | by C. Turley & M. Koval Mineralogy of the Killie mine, Elko County, N ev a d a .........................6-12 cm, Adamite with Hemimorphite from the Ojuela mine, pale green and purple Naica fluorites in small... Figure 8. Vanadinite crystal from the Old Yuma mine, Pima County, Arizona; 3.8 cm. Chris Panczner collection...Calcite with aurichalcite inclusions, from the Ojuela mine, Mapimi, Durango, Mex ico. The specimen measures...marcasite coatings similar to specimens from the Idarado mine in Colorado. England The outstanding collection |  | | Report (volume) | | 21, 1916). __ ____ . __________ The Aztec gold mine, Baldy, r. Mex ., by W. T. Lee (published Jan ....surface of ore of ompositc type from Fourth of July mine, ncar cntral City, 'olo . ... .. _...... ... . .... ........ . . Pla n of the workings of th Doss mine, lark ounty, v- . . . . . . General map of the nitrate...ty, olo. _ 19. Map showing Baldy P eak and Aztec mine, Bald y, _Mex . _. ____ 20. Sketch profile through...a de crt mno-c known as pring Mountflin , but Lh mine i situated on tho west lop , 12 miles from ood |  | | Report (issue) | | Alamogordo, N. Mex.; B, .K elly limestone at Grappic mine, near Magdalena, N.Mex ...........................1909; and Chamberlin, R. T., Notes on explosive mine gases and dusts: U. S. Geol. Survey Bull. 383, pp...Culbertson lignite fie'ld, Mont. Red Bank open-cut mine, sec.IO, T. 28 N., R. 59 E. Fort Union formation...Subbituminouscoalfrom Buiialocoalfield, Wyo. Mitchell mine, sec. 26, T. 51 N ., R. 82 W. Fort Union formation...is partial magnetite may be proBowie/ in the King mine, on North Fork of duced, in some places in sufficient |  | | Thesis/Dissertation | | Melee (Ca) Paros ashe DeDOSI ES sa Immediate Mine Ore and Ores Texture (Domo rUme Gangue fsb...Gangue DISTRICT ss ... sc Gira) oe Geology Mine and “6 seis fears akeseDeposit Ore <4. Geology...Geology is Gangue Immediate ee ... worse Mine fe Minerals (co) aNancordaDepostte Immediate...Immediate as .. 0 Gangue te Geology cus Mine 4 110 ; | . - ‘ a Re a2 * oni eu 4 *e oe ...Metamorphism.. Ore Deposits . (a) Immediate Mine (b) Ore and Geology Gangue Minerals OPE Minerals |  | | Report (issue) | | Stratigraphy and petrography of the volcanic flows of the Blue Hills area, MassachuGSS: “iow cog oS Spee cro Gayo...And now ’tis yours. Drink deep of that ethereal blue, For as your winter snows Melt and fade away, So...being named after him: Wroewolfeite, a beautiful blue hydrated copper sulfate mineral from Loudville,...v. 3, no. 9, p. 3-8. Ludlamite from the Palermo Mine, North Groton, New Hampshire: Am. Mineralogist,...on a chemically related volcanic sequence in the Blue Hills area, one on the Nashoba Formation, and one |  | | Journal (issue) | | 700 016 ABSTRACT The chlorite-quartz schist and sericite-chlorite-quartz schist of Precambrian Singhbhum...Granite [LSZJ Unmetalled Road Metalled Road Sericite chlorite quartz schist Fig 1. Orezone Chlorite...future borehole planning in adj acent areas and for mine planning. (iii) The total in situ reserve estimated...SURGUJA SHEAR ZONE SOUTH SURGUJA SHEAR ZONE URANIUM MINE RALISA TION Fig 1. General geological map of Surguja...Metasediments Muscovite-sericite schist, biotite-chlorite schist, quartz-sericite schist · amphibolites |  | | Book | | considered to be a natural accumulation of useful mine ra l materials that can be profitably extracted...whereas the other one te nds to flow. At the Dunkin mine of the Breckenridge district, Colorado, the Dunkin...after it passed into shale (Fig. 2-4). In the same mine several le nticul a r ore shoots are separated by...between porphyry and sediments, 350-ft level, Jerome mine, Ontario, Canada. Somewhat simplified after W. L...emplaced in andesite bu t not in schist. Auno r Gold Mine, Ont ario, Canada . After B. S. W. BuITa m. "Struct |  | | Journal (article/letter/editorial) | | in the South Ugab Zone, collected from Dead Sea mine pit at longitude 014.20247º, latitude -21.78435º...Phase parageneses (M2) are D fine-grained quartz-sericite±chlorite±biotite±ilmenite phyllitic schistosity...recorded are from CE PT E early epidote, chlorite, sericite and ilmenite inclusions in garnet cores; to r...Main foliation parageneses are mostly biotite-sericite-chorite±andalusite, with northward decrease in...and across the biotite-out isograd to chlorite-sericite in the Northern Foreland. Kaokoan parageneses |  | | Book | | along which plates are sliding past each other in blue. The arrows show the direction of plate movement...ground', a weathered form of kimberlite; South in 'blue Africa. 19 Granite represents continental crust...is continually being added to by the the Ahovc Mine workings Mountains of in the Troodos Cyprus...transparent crystals of the mineral corundum when coloured blue are called sapphire, and when red, ruby. These names...• i is i j i invariably coloured green and blue, whereas secondary uranium minerals arc 71 generally |  | | Report (issue) | | sphalerite is present in intrusive-hosted quartz + sericite + pyrite ± chalcopyriteveinlets, and also occurs...typicallycontains::; 1.3 wt.% F. Only withinthe and with quartz-sericite-pyrilealteration(Bloom MHBXhas the composition...contain larger whichcontainsonly rare calcite,sericite,chlorite, fluid inclusions(~ 20 µm in diameter)...Geologyand ore deposits of the Questa molybdenum mine area, Taos County, New Mexico. In Ore Deposits of...(1956): Geology of the Quest& Molybdenum (Moly) mine area, TIOS County, New Mexico. New Ma. B.,,-. Mina |  | | Report (issue) | | carbonatites. Next year, the first Brazilian uranium mine will start operation with an initial production...it involves the establishment of a gigantic iron mine with an 18-billion-ton reserve. As a whole, Brazil...central Irian Jaya, in which Indonesia's only copper mine is located. In northern Sulawesi indications have...some metallurgical processes. The Santo Domingo mine, which produces steam coal, is also in the State...quality and appears to be sufficient in quantity for mine development. This deposit is presently being evaluated |  | Goscombe, Ben, Foster, David A., Gray, David, Wade, Ben, Marsellos, Antonios, Titus, Jason (2017) Deformation correlations, stress field switches and evolution of an orogenic intersection: The Pan-African Kaoko-Damara orogenic junction, Namibia. Geoscience Frontiers, 8 (6) 1187-1232 doi:10.1016/j.gsf.2017.05.001 | Journal (article/letter/editorial) | | phase Damaran upright open to close D4nz-D5nz folds (blue) and late-stage EeW shortening foliations and folds...bedding-parallel foliation in metapelite is finegrained sericite-chlorite biotite phyllonitic schistosity associated...phase D2cz-D5cz tight to isoclinal inclined folds (blue), and late-stage D7cz upright to steeply inclined...brittle extensional faults (D8sz), are indicated by blue arrows. Robust peak metamorphic U-Pb age determinations...late-Kaokoan folds (gold), main phase Damaran folds (blue) and late-stage along orogen shortening (green) |  | | Report (volume) | | maps, geologic cross sections, columnar sections, mine sketches, or sample localities). One or more subcategories...such as depthto-bedrock maps, isopach maps, and mine-location or sample-location maps. Data.-The data...Lockatong Fm. BASU, D., 1974, Genesis of the Grace Mine magnetite deposit, Morgantown, Berks County, southeastern...ALAN M., 1923, Primary chalcocite: Bristol Copper Mine, Connecticut: Economic Geology, v. 18, no. 2, p...122-166. SUMMARY: KEYWORDS: The Bristol Copper Mine is described. Ore is chiefly bornite and chalcocite |  | | Report (issue) | | Hill and 0.2!) mile southwest of Worcester coni mine, southea st ninth, Worcester North quadrangle. 17011...the fossiliferou mi a chi tat the Worce ter coal mine. Han en (1956, p. 4 ) reported xenolith , probably...pegmatites (cutting gabbro) Quart% moJUOnite dike (mine ral) J33L --!337 --- -!902 ____ J90L --- Muscovite...GRANITE-TOTAL ROCK 100 Frou RE 2.- Total-rock and mine ral rubidium-str ontium isochron diagrams. Analytical...Pennsylvani-an fo il lo ality at th \V'orc ter oal mine (White, 1912). An w colle t ion of pos ible fo il |  | | Book (edition) | | according to their color, thus the red is ruby, blue is sapphire and the yellow and green are sometimes...also worked to a small extent. The Corundum Hill mine, Macon County, North Carolina, is about 8 miles...on Cullasagee Creek, and is the largest corundum mine in the United States. The mineral occurs in a peridotite...From the beginning of operations 'IJ,ntil 1900 the mine produced annually f!'OO to 800 tons of cleaned corundum...include the Behr mine, which had the best equipped corundum mill in the state; the Isbel mine, where the mineral |  | | Book | | for example, Columbite) displays the superficial blue colour of tempered steel, it is said to possess...lower part of the flame a narrow stripe of deep blue may be observed, J, c, which when acted on by the...then to be held at the extremity of the cone of blue flame. For reduction the point of the tube should...sulphuric, and nitric acids. " 14th. Litmus-paper, blue and red, for detecting the presence of acids and...4th. The colour of the flame when the tip of the blue part is neatly directed upon the mineral ; whence |  | Kogel, Jessica Elzea, Trivedi, Nikhil C., Barker, James M., Krukowski, Stanley T. - Eds. (2006) Industrial Minerals and Rocks (7th ed.) Society for Mining, Metallurgy, and Exploration, Inc., Littleton, CO. | Book (edition) | | . . . . . . . . . . . . . . . . . . . . . . . . Mine Safety and Health Law . . . . . . . . . . . . ....omine, and rare-earth elements. In a lar ge diamond mine, for e xample, 50 percent o f the annual revenue...anization varies from a multimillion-ton surface mine using large excavators to a hand-dug pit with product...minerals sector, a broad def inition of in dustrial mine rals and rocks is discussed—a definition that must...visually highlight the versatility of some r ock or mine ral prod ucts, the geological environments that |  | Goscombe, Ben, Foster, David A., Blewett, Richard, Czarnota, Karol, Wade, Ben, Groenewald, Bruce, Gray, David (2019) Neoarchaean metamorphic evolution of the Yilgarn Craton: A record of subduction, accretion, extension and lithospheric delamination. Precambrian Research, 335. 105441 doi:10.1016/j.precamres.2019.105441 | Journal (article/letter/editorial) | | before being partially pseudomorphed to chlorite, sericite and graphite. Post-kinematic andalusite formed...Kyanite Hill (Purvis, 1978, 1984), Gordon Mine and New Celebration Mine (Hodge, 2007), are consistent with anticlockwise...ages of 2775±10 Ma and 2772±5 Ma from Copperhead mine (Miller and Rasmussen, 2006), and an unpublished...unpublished U-Pb zircon age of ~2770 Ma from Corinthia mine. Elsewhere, this metamorphic event is known only by...and zircon U-Pb date of ~2670 Ma from Saint Ives Mine (unpublished CET report, 2006), and other zircon |
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