 | | Journal (article/letter/editorial) | | probably resemble those dispersed from the granite outcrop since a remote post-Carboniferous epoch still...zircon, monazite, and ilmenite, with tourmaline, cassiterite, brookite, and anatase. (2) Ilmenite in excess...(altered). (3) Anatase, brookite, magnetite, cassiterite, specularite. (4) Sphene, pyrite, amphibole,...Beds, evidence is given to show that the Dartmoor granite supplied some part of the material. The following...Systems without an unconformity, similar to the grand conformable succession, in parts of the Cape Province |  | | Report (issue) | | summary, summary, Blackacre-Royalton soils..... granite contact soils........ eastern slate soils .......Depth of granite roof below sea level Geochemical soil traverse areas Belowda Beacon Granite soil traverses...traverses were made across the Belowda Beacon Granite and across slates of the Meadfoot Beds for a distance...distance of 1.7km east of the granite outcrop. These traverses were designed to test the extensions of...mineralisation, the area north of the St. Austell Granite outcrop has supported only intermittent and small |  | Chicharro, Eva, Martín-Crespo, Tomás, Gómez-Ortiz, David, López-García, José Ángel, Oyarzun, Roberto, Villaseca, Carlos (2015) Geology and gravity modeling of the Logrosán Sn–(W) ore deposits (Central Iberian Zone, Spain) Ore Geology Reviews, 65. 294-307 doi:10.1016/j.oregeorev.2014.10.005 | Journal (article/letter/editorial) | | 2014 Available online 18 October 2014 Keywords: Granite-related ore deposits Gravity modeling Sn–(W) Central...Central Iberian Zone a b s t r a c t Sn–(W) granite-hosted ore deposits are characterized by the occurrence...tool for “brownfield type” exploration in a mature granite-related ore setting has not been widely used. The...geologic data allowed the modeling of the hidden granite bodies. Combining this information with detailed...al., 1992; Cornwall (UK): Jackson et al., 1989; France: Marignac and Cuney, 1999; Vallance et al., 2001 |  | | Journal (volume) | | geochemistry of the Eurajoki stock, a rapakivi-granite complex with greisen-type mineralization in southwestern...GEOCHEMISTRY OF THE EURAJOKI STOCK, A RAPAKIVI-GRANITE COMPLEX WITH GREISEN-TYPE MINERALIZATION IN SOUTH\X'ESTERN...geochem istry of the Eurajoki stock, a rapakivi-granite complex with greisen-type mincralization in southwestern...main rock units of the stock arc: Tarkki granite, Väkkärä granite and porphyry dikes. Greisen-type Sn, Be...the stock. The Tarkki granite is a fayalite-bearing biotite-hornblende granite, which represents the |  | | Journal (article/letter/editorial) | | about 4 miles to the north of the St. Austell granite mass. 1 Kayser, op. cit., p. 86, t. xi,figs.5,...which has given the hill its name. In 1915 "the outcrop of a lode was traced on the northern slope of the...hill lies within the metamorphic aureole of the granite, and the slates have in addition been subjected...fissure were seen to contain fine grains of cassiterite. On the summit of the hill the slate is penetrated...hill-top, has the appearance of a granite-porphyry. On tracing the outcrop to the west, down the hill-side |  | | Journal (article/letter/editorial) | | Types of pegmatite: Granite simple and complex and quartz monzonite complex. Granite pegmatites in Cornwall...and Hall, T. C. F., On topaz and beryl from the granite of Lundy Island: Mineral. Mag.,vol. 16, pp. 294-301...the islands to the northwest abound with simple granite and granodiorite pegmatites. Beryl is present in...Morvem-Strontian Sunteyfor 1931- Pt. II, pp. 105-119, 1932. " Granite" : SummoryoJProgressoJGeol.. Read, H. H., A di...MINERALOGICAL SOCIETY OF AMERICA I J.) of pegmatite: Granite simple and complex. Latter have a beryllium phase |  | | Report (issue) | | Rocks Ag(' of the Bas ic Rocks . . . . .. (2) Ac·id Group ..... . 1"Ol"lnal Pink Granite ........ . White...White Granite .............. . Fine.graincd Tourmaline Granite (nodular) ... . ..... .. . 32 32 (0 58...}-'issuring of Granite ... The Structurt" of til('! GraniteJlo .~sif , .. Age of the Granite, .. PAGE 73...153 A.-Tin Ores: (1) Quartz - Tourmaline - Cassiterite ' -cins ........ . ........ . .. . (2) Quartz-quartzose...Quartz-quartzose Veins ..... ' ..... . (3) Pyritic Cassiterite Deposits (4) Pinitoid Veins ....... . (5) Gcciscn |  | | Journal (article/letter/editorial) | | ~ihnlichen Gesteinen in anderen Bereichen (die Granite von Beauvoir und Cinovec, das Glas von Macusani)...minor granitic and dioritic dykes, the nearest granite outcrop in the vicinity of the quartz-wolframite stockwork...Khairkhan is about 10 km distant. It occupies an outcrop area of about 200 km a and consists essentially...1971). There is no intrusive granite body except for minor dykes of granite in the area of the ongonite...scheelite, galena Rare chlorite, epidote, calcite, cassiterite, molybdenite, bismuthinite, pyrrhotite, magnetite |  | | Book | | prospector, and hence mineral collector, for alluvial cassiterite (tin oxide), and most probably for copper ores...character, have been carved into small objects. The granite rock, which forms the county's 'backbone ', produced...observed in the 'field' , and can be found as outcrop, as pebbles on the beach , or as micro-specimens...period of mountainbuilding, or orogeny, that hot granite magma was intruded from below to form a backbone...Devon . Granite is formed from the minerals of quartz, feldspar and mica. sedment s,lty (3) Granite intrusion |  | | Journal (article/letter/editorial) | | western Erzgebirge, the chief granite outcrop is the large Eibenst•ck granite massive,cutting acrossthe mountains...exposures--the Greifenstein, the Ziegelberg, a small outcrop between these, and the Geyersberg. The rock of...which tourmalinewas practicallylacking, in this granite tourmaline occurs. Small grainsof cassiteriteare...needlesand tufts of andalusite. The nearer the granite contact is approached,the greater the degreeof...Muscovite GnelssicM_i_ca Schist Schist Gneiss Granite Contact Tin Veins Metamorphism FIG. 24. GeologicalSketch |  | | Report (issue) | | laire de Employ et des UuvrienJ ; Comiderant qn'il est de tou� ju tice qne cette an,rmentation de depen...l'articfe cinq de In. Decision de Son E cellence le Grand Chancelier de la Legion d'honneur, Ministre d'Etat...8111' le champ adre88C Son Excellence Mon ignenr le Grand Chan celier ; communiqne a M.r le Commi88aire p;eneral...Elba. Napoleon triumphed and France gained title to the island in 1802. France first exploited the mines...Elba 6 With the Treaty of Vienna in 1815, the Grand Dukes of Tuscany gained authority over the island |  | | Journal (issue) | | which we meet to open to-day, is the third which bas been held under the auspices of the International...undoubtedly a valuable one, and its realisation bas been productive of most useful results in several...desirable to give some details of the scheme which bas been prepared by the London Com mittee for the establishment...complete, its financial support. The National Exchequer bas responded not illiberally to demands for financial...as the advance ment of tropical medicine, and it bas assisted in the formation of an Imperial Bureau of |  | | Journal (article/letter/editorial) | | AND TUNGSTEN DEPOSITS NORTH OF THE ST. AUSTELL GRANITE G.S. CAMM1 AND C.J. MOON2 Camm, G.S. and Moon...and tungsten deposits north of the St. Austell Granite. Geoscience in south-west England, 10, 000-000...geochemical survey of the area north of the St. Austell Granite shows the distinct signatures of differing types...sampling campaign in an area north of the St. Austell Granite, including some significant known mineralisation...the St. Austell Granite and including both the Castle-an-Dinas and Belowda Beacon granite outcrops (Figure |  | | Book (volume) | | 13. Okehampton district . . 750 Mines in the granite (p. 750); Mines in the Culm Measures (p. 751);...-Castle-an-Dinas Wolfram Lode 522 FIG. 34.---Granite veins traversing the Castle-an-Dinas Wolfram Lode...tourmalinized wall rock alongside, in partly kaolinized granite country. (A.96) 513 B.- MULBERRY STOCKWORK. The...8133) . . 525 B.--CASTLE-AN-DINAS WOLFRAM MINE: GRANITE INTRUDING TRE LODE. A view taken looking vertically...narrow granite veins cross both the country rock and the lode. The lode appears white and the granite veins |  | | Report (chapter) | | Myanmar are spatially and genetically related to granite intrusions (Mitchell 1977; Khin Zaw 1990). Compositionally...age. A solitary exception is the Sisters Island granite that yielded a possible Triassic age, and which...describe as a ‘highly deformed and mylonitized granite’ quite different from typical granites in the Myeik...represent the Western Granite Belt of Mitchell (1977) and the ‘Western Granite Province’ of Cobbing et... (1986, 1992) and Schwartz et al. (1995). The granite provinces in Myanmar and parts of Thailand according |  | | Journal (article/letter/editorial) | | regional zonation of the pegmatites type relative to granite outcrops within the belt. Contrasting geochemical...assimilation CE of country rock, fractionation of a granite parent or internal pegmatite processes such as...zoned around the parent granite body with the barren pegmatites closest to the granite and more complexly...complexly mineralised bodies furthest from CE the granite. AC 3. Description of pegmatites and country rocks...pegmatite belt is largely covered by desert sands with outcrop more PT common further inland. Metasediment-hosted |  | | Journal (issue) | | Associate Editors Pierre Bariand Sorbonne Paris, France Bill Birch Museum of Victoria Melbourne, Australia...Schwab Orléans, France Associate Photographers Nelly Bariand Sorbonne Paris, France Dan Behnke Northbrook...and two sons, Axel and Cedric, now physicians in France, who several times in their youth served as his...siderite, and other important species such as cassiterite, ferberite, metanovác =ekite, uranophane and...siderite, and other important species such as cassiterite, The Mineralogical Record, volume 37, September–October |  | | Report (issue) | | investigated Continued Hot Springs Dome area Cont. Granite at Hot Springs Dome.... Tofty tin belt...........deposits showed any radioactivity, although the granite country rock has an average equivalent uranium...and schist which form the aureole of a biotite granite stock. Metallic minerals occur in a zone from 20...equivalent uranium content of less than 0. 001 percent. Granite at Hot Springs Dome. In conjunction with the study...in the metamorphosed country rock north of the granite at Hot Springs Dome, a series of traverses were |  | | Journal (article/letter/editorial) | | 4th, 1903.) [Map on p. 144.] THE small mass of granite known as C l i g g a H e a d , forming a bold promontory...considered by the Wernerian school as the newer granite,' and remarked on the stratification and the fact...they occur. I n 1818, Joseph Carne 3 spoke of granite at Cligga Head, apparently stratified obliquely...I n a footnote the same author wrote : - ' The granite at Cligga Poi~t (if it is not a large elvan-eourse)...called secondary or transition granite, without affecting the age of the granite of other parts of Cornwall |  | | Journal (article/letter/editorial) | | presence of topaz as a microscopic accessory in granite, greisen, and rarely elvans, from most of the Cornish...comparatively common associate of cassiterite and wolframite, both in granite and sedimentary rocks. As will...any of the veins that contain topaz and traverse granite; while the single specimen from Maudlin mine, Lanlivery...observable on the face of some small blocks of the granite that have fallen from the precipices.’2 The mineral...tin-wolfram-quartz-veins with greisen walls which traverse the granite on the east and south side of the Mount. Topaz |  | | Report (volume) | | Survey, 1901, pp. 267-271. A new occurrence of cassiterite in Alaska: Science, new s»r., vol. 13, No. 328...obtained in a new locality and consisted of cassiterite crystals still in the matrix, indicating that...Brooks" with the so-called Kuzitrin slates, which outcrop along the northern base of the Kigluaik Mountains...between the slates on the east and a large mass of granite on the west, the latter forming the peak known...often called granite by the miners, but can readily be distinguished from the true granite by a general |  | | Journal (article/letter/editorial) | | and magmatic fluids in the formation of the cassiterite-sulfide deposits of western Tasmania John L....1995; accepted 23 August 1995 Abstract The cassiterite-sulfide deposits of western Tasmania are spatially...process and an intimate association between cassiterite-sulfide deposits and volatile-rich granites....heavy sulfur isotope values from the Heemskirk Granite (Hajitaheri, 1985) and the Federal-Bassett Fault...phase, the Renison Granite, was intruded by the more fractionated Pine Hill Granite. Fluids from the Pine |  | | Journal (article/letter/editorial) | | visible coalfield, where the Productive Measures outcrop, is now nearly worked out, the concealed coalfield...probably resemble those dispersed from the granite outcrop since a remote post-Carboniferous epoch still...zircon, monazite, and ilmenite, with tourmaline, cassiterite, brookite, and anatase. (2) Ilmenite in excess...(altered). (3) Anatase, brookite, magnetite, cassiterite, specularite. (4) Sphene, pyrite, amphibole, |  | Amuda, Abdulgafar Kayode, Li, Shuang, Yang, Xiaoyong, Cao, Jingya, Faisal, Mohamed (2022) Genetic Association between Granites and Mineralization at the Gindi Akwati Cassiterite–Sulfide Deposit, North-Central Nigeria: Insights from Mineralogy, Fluid Inclusions, and Sulfur Isotopes. Minerals, 12 (6) 761 doi:10.3390/min12060761 | Journal (article/letter/editorial) | | Granites and Mineralization at the Gindi Akwati Cassiterite–Sulfide Deposit, North-Central Nigeria: Insights...Granites and Mineralization at the Gindi Akwati Cassiterite–Sulfide Deposit, North-Central Nigeria: Insights...Tel.: +86-0551-6465-2201 (X.Y.) Abstract: The cassiterite–sulfide mineralization occurs within quartz veins...veins and greisenized Precambrian Older Granite around the Gindi Akwati region at the Ropp complex’s...of Jurassic Younger granite porphyry sheared the marginal parts of the Older Granite and the mylonitized |  | | Journal (article/letter/editorial) | | tin depositsare always closelyassociatedwith a granite stockand are hencelimited in their occurrenceto...fissurealong which quartz porphyry, granite porphyry, and granite have been intruded. Along thisfissuretherehasbeenan...the Teplitz quartz porphyry is a massivedike of granite porphyry. In general,this has been intruded along...above describedporphyritic rocks is a seriesof granite stocks. Northeastof this seriesof outcropsat Barenstein...somedistanceto the southeastcloseto the surface. The granite of all of these outcropshas the samemineralogicalcomposition |
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