 | | Journal (article/letter/editorial) | | phenakite* (crystals), quartz (crystals, clear, smoky), schorl, topaz* (crystals) (Chandler 1937). Chatham, Langdon...crystals), hematite, ilmenite, magnetite, molybdenite, schorl. Jackson, Eastman Hill tin mines, just E of Jackson...fluorite, malachite, pharmacosiderite, pyrite, quartz, schorl, scorodite, vivianite(?), wavellite(?), wolframite...(crystals), fluorapatite, microcline, muscovite, quartz, schorl (Cameron et al. 1954). Alstead, Big mine (includes...pyrite, quartz (rose, smoky, milky, colorless), schorl, sphalerite, uraninite, uranophane (Bartsch 1940) |  | | Journal (article/letter/editorial) | | links with granites, Guarda-Belmonte area, central Portugal ANA M.R. NEIVA1,* and JOAĢO M.F. RAMOS2 1 Department...Centre, University of Coimbra, 3000-272 Coimbra, Portugal *Corresponding author, e-mail: neiva@dct.uc.pt...Energy and geology 4466-956 S. Mamede de Infesta, Portugal Abstract: Granitic amblygonite-subtype and lepidolite-subtype...cassiterite and NbāTa oxide mineral assemblage. Schorl from the lepidolitesubtype sills that cut granite...granite G1 has higher Mg/(Mg Ć¾ Fe) than schorl from metasomatised granite at sill walls and resulted from |  | CodeƧo, Marta S., Weis, Philipp, Trumbull, Robert B., Pinto, Filipe, Lecumberri-Sanchez, Pilar, Wilke, Franziska D.H. (2017) Chemical and boron isotopic composition of hydrothermal tourmaline from the Panasqueira W-Sn-Cu deposit, Portugal. Chemical Geology, 468. 1-16 doi:10.1016/j.chemgeo.2017.07.011 | Journal (article/letter/editorial) | | tourmaline from the Panasqueira W-Sn-Cu deposit, Portugal Marta S. CodeƧo, Philipp Weis, Robert B. Trumbull...tourmaline from the Panasqueira W-Sn-Cu deposit, Portugal, Chemical Geology (2017), doi: 10.1016/j.chemgeo...tourmaline from the Panasqueira W-Sn-Cu deposit, Portugal Marta S. CodeƧoa*, Philipp Weisa, Robert B. Trumbulla...Beralt Tin & Wolfram (Portugal) S.A., Barroca Grande, 6225-051, Castelo Branco, Portugal c Institute of...Porto, Rua do Campo Alegre 687, Porto, d AN Portugal Department of Geosciences, University of Arizona |  | | Journal (article/letter/editorial) | | CiĆŖncias, Universidade de Lisboa, 1749ā016 Lisbon, Portugal 2 ICT Research Centre/Universidade do Minho...Minho, Campus de Gualtar, 4710ā057 Braga, Portugal 3 Departamento de GeologĆa, Universidad de Salamanca...from AlijĆ³-Sanfins and Rebordelo (TrĆ”s-os-Montes, Portugal), and from the Alamo Complex and several Araya-type...Nacional de Energia e Geologia (S. Mamede de Infesta, Portugal), under the following analytical conditions: 3ā5...References for granite/tourmaline compositions Portugal (TM) AlijĆ³-Sanfins Rebordelo Variscan Variscan |  | | Journal (article/letter/editorial) | | crystallization: Granites from Guarda-Sabugal area, central Portugal Ana Margarida Ribeiro Neiva a,ā , Paulo Bravo...Centre, University of Coimbra, 3000-272 Coimbra, Portugal LNEG National Laboratory of Energy and Geology...Apartado 1089, 4466-956 S. Mamede de Infesta, Portugal c Department of Geosciences, University of Oslo...227ā245 Fig. 1. (A) Location of the study area in Portugal. (B) Simpliļ¬ed geological map of the Guarda-Sabugal...granites from the Guarda-Sabugal area, central Portugal. G1 G2 G3 G4 G5 G6 G7 Location In the |  | Soares, D. R., Beurlen, H., Barreto, S. d. B., Da Silva, M. R. R., Ferreira, A. C. M. (2008) COMPOSITIONAL VARIATION OF TOURMALINE-GROUP MINERALS IN THE BORBOREMA PEGMATITE PROVINCE, NORTHEASTERN BRAZIL. The Canadian Mineralogist, 46 (5) 1097-1116 doi:10.3749/canmin.46.5.1097 | Journal (article/letter/editorial) | | crystallizing as Mg-rich members of the draviteāschorl solid-solution series. Tourmaline from the intermediate...zone is richer in Fe and Al+Li, crystallizing as schorl. The FeāMg-free and LiāAl-rich elbaite is typical...magnĆ©siens de la solution solide entre dravite et schorl. Dans la zone intermĆ©daire, la tourmaline est enrichie...Fe et Al + Li, et correspond Ć la composition de schorl. LāelbaĆÆte dĆ©pourvue de FeāMg et enrichie en LiāAl...pegmatite or followed by a seam of black tourmaline (schorlādravite) rosettes at the transition to an inner |  | | Journal (issue) | | Manuel Bettencourt Dias Matos Lima 8100-308 Louie, Portugal Wendell E. Wilson The Mineralogical Record 4631...since the country gained its independence from Portugal in 1975, malaria and other tropical diseases which...convicts serving sentences for crimes committed in Portugal. Many of these convicts saw their sentences pardoned...others. In April of 1974 a revolution took place in Portugal, led by Marxist-leaning elements of the military...found surroundĀ ing a crystal of green elbaite, schorl or beryl. Neiva (1978) described a barian, chromium-bearing |  | | Journal (article/letter/editorial) | | Henry et al. (2011) graph, it can be classiļ¬ed as schorl (Fig. 9). By contrast, the tourmaline in banded...within the schorl ļ¬eld. Therefore, an evolution trend is observed between the lithium-rich schorl and elbaite...elbaite. The lithium-rich schorl mainly appears in the banded pegmatites, while elbaite is mostly in the...with the Henry et al. (2011) graph, it is alkaline schorl, and is the richest in Mg of all the studied tourmalines... F. Canosa et al. / Lithos 153 (2012) 165ā176 schorl-forming tourmalinization. In this latter case, |  | | Report (edition) | | matrix. These include microcline feldspar, beryl, schorl (black tourmaline), almandine (garnet), and elbaite...Photo by Vandall T. King . Almandine (garnet) and schorl (tourmaline) crystals in pegmatite, Porcupine Hill...microcline, muscovite, quartz (milky, rose, smoky), schorl (tourmaline), torbernite/metatorbernite, uraninite...0.5 I I 1 Mile I I 5000 Feet I terminated schorl crystals, and small lavender fluorapatites. Pingree...muscovite, quartz (colorless, milky, smoky crystals), schorl (tourmaline). Directions: Driving: From jct. of |  | CodeƧo, Marta S., Weis, Philipp, Trumbull, Robert B., Glodny, Johannes, Wiedenbeck, Michael, Romer, Rolf L. (2019) Boron Isotope Muscovite-Tourmaline Geothermometry Indicates Fluid Cooling During Magmatic-Hydrothermal W-Sn Ore Formation. Economic Geology, 114 (1) 153-163 doi:10.5382/econgeo.2019.4625 | Journal (article/letter/editorial) | | evolution at the Panasqueira W-Sn-Cu deposit in Portugal, where the source and evolution of the mineralizing...available in the online Supplements section. in Portugal and builds on a previous study of the chemical...compositions classify as aluminum-rich intermediate schorl-dravite, with relatively high F contents (up to...section of the Panasqueira W-Sn-Cu deposit in Portugal (modified after Thadeu, 1979). L0 = level 0 at...We would like to thank Beralt Tin and Wolfram (Portugal) S.A. for providing logistical support and access |  | Neiva, A.M.R., Williams, I.S., Ramos, J.M.F., Gomes, M.E.P., Silva, M.M.V.G., Antunes, I.M.H.R. (2009) Geochemical and isotopic constraints on the petrogenesis of Early Ordovician granodiorite and Variscan two-mica granites from the Gouveia area, central Portugal. Lithos, 111 (3) 186-202 doi:10.1016/j.lithos.2009.01.005 | Journal (article/letter/editorial) | | two-mica granites from the Gouveia area, central Portugal A.M.R. Neiva a,ā, I.S. Williams b, J.M.F. Ramos...Sciences, University of Coimbra, 3000-272 Coimbra, Portugal Research School of Earth Sciences, The Australian...Apartado 1089, 4466-956 S. Mamede de Infesta, Portugal d Department of Geology, University of TrĆ”s-os-Montes...Vila Real, Portugal e Polytechnic Institute of Castelo Branco, 6000-919 Castelo Branco, Portugal b c a r...granites crop out in the Gouveia area, central Portugal. A SHRIMP UāThāPb zircon age from the granodiorite |  | | Report (issue) | | . . . . . . . . . . . . . . . . . . . . . .35 Lisbon Valley . . . . . . . . . . . . . . . . . . . ....Hanksville 15 Silver Reef (Harrisburg) Leeds Lisbon Valley Monticello White Canyon SAN JUAN Cedar...well-developed crystals. Tourmaline, the black schorl variety, is widespread throughout the district...uranium districts in Utah are White Canyon and Lisbon Valley, and are discussed herein. Ores containing...increases. Selected Mining Districts of Utah 37 Lisbon Valley Mining District (Originally known as the |  | | Book | | April, 22, 1500, after having sailed 45 days from Lisbon, on an expediĀµon commanded b\Ā· Pedro Alvares Cabral...Bahia between 15 67 and 1584, and return ed to Portugal, he went back to Brazil in 1591 to enter the wilderness...in Rio de Janeiro. In 1783, he transferred to Portugal to enter the Universidade de Coimbra, which had...Bahia and Joaquim Pedro Fragoso de Sequeira from Portugal. Between 1790 and 1791, Jose Bonifacio attended...Freiberg in 1799 . In 1800, upon his return to Portugal, he took a mineralogi- cal trip around the country |  | | Journal (issue) | | pegmatitic albite, quartz, lepidolite, apatite, schorl, partially resorbed blebs of brown tourmaline,...interesting specimens of feldspar, apatite, quartz and schorl, no further jeremejevite was found. Namibia is...Erongo Mountains first began producing interesting schorl crystals on microcline. Since then an increasing...information about early mineral collecting in Portugal. There are several known cases of Portuguese collectors...collection and cabinets to the Royal Ajuda Museum (Lisbon) on 25 May 1798. This large collection included |  | | Journal (article/letter/editorial) | | Great Master of the Malta Order, in his journey in Portugal. Dolomieuās observations in this period were mainly...volcanic structures in the neighborhood of Lisbon (Portugal) and published the results in 1778. In Sicily...to leucite, olivine, pyroxene, and tourmaline (schorl) during this complicated and dangerous period. |  | | Journal (issue) | | colours of tourmaline are found in the area, black (schorl) being by far the commonest. This appears blue...zone is neared. If a very concentrated area of schorl crystals is observed, it may be a sign of the presence...pocket immediately below (which may also contain schorl crystals). Colour varieties include rubellite (often...pass from black to colourless. In the case of many schorl crystals the end of the crystal nearest the pegmatite...da Silva, Francisco, Lisbon, Portugal. Marques da Silva, Nair, Lisbon, Portugal. Matsuda, Haruyoshi, |  | | Journal (article/letter/editorial) | | arldtransparentfelslar, hornl)lendc,quartz,and schorl, vith occasionalcrystalsof mica, specu1arandoctahe(31-al...overthe Azores); and of RibeiraGrandefromthe N.E. of Portugal. Both men and wolnen are of abouta middle size...althoughotherdomesticexpensesare the sameas at Lisbon,rentis as much deareras the housesare less finishedand...per cent. on chart,eal)leforeigll plo(lucts. In Portugal lanzl pays 5s. per headof the population,at St...stamp-paperand soap, and 14,0001.of other articles, from Portugal. Of the exports, 60,3001. of oranges went to produceto |  | | Journal (article/letter/editorial) | | plagioclase, spinel, and tourmaline of the dravite-schorl series, and also margarite, boehmite, diaspore...(1986): Dioctahedral corrensite in Permian red beds, Lisbon Valley, Utah. ā Clays Clay Miner., 34, 613-624 |  | | Journal (article/letter/editorial) | | Pond Hill locality in the Pearl Lake area near Lisbon, Grafton County, has been the source of sharp almandine...crystals to 20 cm across associated with sharp schorl crystals (Campbell and Roberts 1985). Gem almandine...staurolite occur in schist at Espinho, Porto district, Portugal. Good, though relatively small, almandine crystals |  | | Book (volume) | | Montebrasite, Muscovite, Pollucite, Pyrite, Rhodochrosite, Schorl tourmaline, Spodumene, Torbernite, Uraninite and...garnet (orange), Meionite (scapolite gr.), Quartz, Schorl, Titanite, Vesuvianite; h Sturtevant MineāÆFeldspar...Monazite, Pyrite, Quartz (milky, rose, smoky), Schorl, Uraninite, Zircon. 181 Maine WINDHAM, area...Montebrasite, Muscovite, Opal, Pyrite, Quartz, Rutile, Schorl, Sillimanite, Sphalerite, Spodumene, Talc, Torbernite...Reddingite, Rhodochrosite, Romanechite, Roscherite, Schorl tourmaline, Spodumene, Topaz, Uraninite and Zircon; |  | | Book (volume) | | Montebrasite, Muscovite, Pollucite, Pyrite, Rhodochrosite, Schorl tourmaline, Spodumene, Torbernite, Uraninite and...garnet (orange), Meionite (scapolite gr.), Quartz, Schorl, Titanite, Vesuvianite; h Sturtevant MineāÆFeldspar...Monazite, Pyrite, Quartz (milky, rose, smoky), Schorl, Uraninite, Zircon. 181 Maine WINDHAM, area...Montebrasite, Muscovite, Opal, Pyrite, Quartz, Rutile, Schorl, Sillimanite, Sphalerite, Spodumene, Talc, Torbernite...Reddingite, Rhodochrosite, Romanechite, Roscherite, Schorl tourmaline, Spodumene, Topaz, Uraninite and Zircon; |  | | Journal (article/letter/editorial) | | hill along the road connecting the quarry with Lisbon street. GBNrnar Gnorocv The bed rocks of the Lewiston...by a series of milky quartz veins that contain schorl and garnet. Another mass of pegmatite occurs in |  | | Book | | caused great excitement at the Royal Court in Lisbon, Portugal. The two large, gem-grade crystals shown at...7-cm piece shown ar right, wirh albire and black schorl. contains one of rhe besr surĀ viving crystals |  | | Journal (issue) | | France; Rui Galopim de Carvalho, Portugal Gemas, Lisbon, Portugal; Lee A. Groat, University of British...Mg2+ on the Y site (leading to, e.g., elbaite, schorl or dravite, respectively, in the alkali group)...very small amounts of Fe-rich end members, such as schorl, NaFe2+3Al6[Si6O18] (BO3)3(OH)3(OH,F), which is...F), whereas tourmalines of the elbaite-schorl and dravite-schorl series typically range from light brown...bdl 4002 532 0.43 Harvard University (dravite, schorl, elbaite; Dyar et al., 2001) were measured as monitors |  | | Journal (article/letter/editorial) | | muscovite (variety sericite), plagioclase, rutile, schorl, sillimanite, tremolite (crystals to 15 cm), zircon...trates: andalusite (crystals), graphite (crystals), schorl (crystals) (Perry 1948; Walsh and Liffring 1985)...fluorite, tyuyamunite (Sahinen 1962). Pack Rat mine = Lisbon adit, Pryor Mountains, sec. 4, T. 9 S., R. 27 E...crystals). At other pegmatites in the area: beryl, schorl (Alt and Hyndman 1986). Moulton mine, sec. 29,...chalcopyrite, galena, malachite, rhodochrosite, schorl (radiating crystals), tetrahedrite (Pardee and |
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Quartz outcrop, Biscaia, Alcabideche, Cascais, Lisbon, Portugal