 | | Journal (article/letter/editorial) | | ¼ fragment, limest.¼ limestone, Woll./Rank.: wollastonite or rankinite is present as BRP. Provenance...the blue colour is from the luminescence of wollastonite/rankinite. temperatures can also result in...determined by microprobe analyses corresponds to wollastonite (CS – CaSiO3) or one of its polymorphs (see...(see Mertens, 2009 for more details). Wollastonite is always associated with a C-S-H phase of variable composition...the thin section has confirmed the presence of wollastonite and rankinite. These minerals result from the |  | | Journal (article/letter/editorial) | | RAW MATERIALS FROM THE ALGARVE BASIN (SOUTHERN PORTUGAL): STUDY OF MINERAL TRANSFORMATIONS WITH TEMPERATURE...Tecnológico e Nuclear EN 10, 2686-953 Sacavém, Portugal Departamento Arte, Conservação e Restauro, Instituto...Instituto Politécnico de Tomar, 2300-313 Tomar, Portugal Departamento de Geociências, Universidade de...de Aveiro, Campus de Santiago, 3810-193 Aveiro, Portugal, 4 GeoBioTec GeoBiociências, Geotecnologias e...e GeoEngenharias, Universidade de Aveiro, Portugal Abstract—In cases where the provenance of raw materials |  | | Journal (article/letter/editorial) | | petrographic province - the Sintra intrusive complex (Portugal) and related rod, s By J. B. WRIGHT,Otago *) With...Be-interpretation of a mixed petrographic province the Lisbon region, where compositions range from olivine basalt...intrusives and penecontemporaneous volcanies of the Lisbon en540 J. B. WRIGHT - - Re-interpretation of...province. The extensive basic lava sheets of the Lisbon environs (inset, Fig. 1) are represented further...relative to olivine basalt etc., than they are round Lisbon. At least two volcanic plugs are known (Fig. 1) |  | | Journal (issue) | | NEW ZEALAND GROUNDWORK On the Mineral Trail: Portugal IN ISSUE 111 DISCOVERY Caves Archibald Geikie...difference between the two minerals, however, is that wollastonite has no attached water of crystallisation — in...CONFUSION The close similarity between okenite and wollastonite has led to some confusion, not only about which...PEJAO • • РОЧ10 QUINTA 00 в1SР0 The Republic o f Portugal occupies a total land area V15EU в ESTRELA ATLANTIC...t h e Atlantic Ocean. NEVESC ORVI • BEJA • Portugal has a wide range of natural resources, but only |  | | Journal (article/letter/editorial) | | complexes of Monchique, Sines and Sintra in W. anra SW Portugal, to,,,.etLerwith their basanitic/lamprop[~Tic...intrusive suites; basanitic volcanic coml~le~es around Lisbon; at least some of a widespread suite of basanitic...to theralitic minor intrusives in west central Portugal; about 80 small basanitic/iamprophyric to nepheline...Sezmount of the Gorringe Bank off the SW coast of Portugal. Most of these occurrences have been dated isotogically...feldspathoidal to peralkaline gneisses of Alentejo, Portugal (Floor 1974). Genert:lised descriptions of each |  | | Journal (article/letter/editorial) | | Edifício C6 – Piso 4, Campo Grande, 1749-016 Lisboa, Portugal *Corresponding author, e-mail: isabelrc@fc.ul...kyanite (Al), kaersutite (Ti), rhodonite (Mn), wollastonite (Ca), Cr-metal (Cr), Cumetal (Cu), Co-metal...(Vegetal Biology Department, Faculty of Science, Lisbon University), operated at 25 kV, only occasionally...of the Geology Department, Faculty of Science, Lisbon University. Electron microprobe analyses were done...Geology (Geology Department, Faculty of Science, Lisbon University). Mineral standards The two serpentinites |  | | Journal (article/letter/editorial) | | in Austria Effects of fluid infiltration on wollastonite genesis at the M6rida contact-metamorphic deposits...accepted January 20, 1998 Summary The M6rida wollastonite deposits (SW Spain) occur in the inner part...an environment suitable for wollastonite formation. Nearly pure wollastonite bands resulted from chert...contact). Distribution and modal abundance of wollastonite provide insights for determining the fluid flow...direction of decreasing temperature. Conditions of wollastonite formation have been estimated as follows: P |  | | Journal (article/letter/editorial) | | Edifı́cio C6 – Piso 4, Campo Grande, 1749-016 Lisboa, Portugal FREDERICK JOSEPH WICKS Department of Natural...Edifı́cio C6 – Piso 4, Campo Grande, 1749-016 Lisboa, Portugal Instituto Dom Luiz (IDL) – Faculdade de Ciências...Edifı́cio C1 – Piso 0, Campo Grande, 1749-016 Lisboa, Portugal ABSTRACT The Rainbow hydrothermal field (36814...of the Geology Department, Faculty of Science, Lisbon University. Electron microprobe (EMP) analyses...Geology (Geology Department, Faculty of Science, Lisbon University). Mineral standards were olivine (for |  | | Journal (article/letter/editorial) | | Lisboa, Campo Grande, Ed. C2, 5 Piso. 1700 Lisboa, Portugal Abstract The gabbro-anorthosite complex of SW...towards a PhD. dissertation at the University of Lisbon, Portugal. 1~4o 214~ ~ 6 ~ 6 ANGOLA .,d / 9...Adularia was the standard for K, kyanite for AI, wollastonite for Si and Ca, olivine for Mg and Fe, rhodonite...gabroanortositico de Angola. PhD. Thesis, Univ. of Lisbon, Portugal. - - ( 1 9 9 0 ) Geochemistry of the Gabbro-anorthosite |  | | Journal (article/letter/editorial) | | grossularite *COr and (1) calciteianorthite*wollastonite (2) calcite * anorthitef quartz : grossularitef...lies at higher CO, pressuresthan the calcite-wollastonite-spurrite-vaporequilibrium (Wyllie and Haas,...grossularitef quartz by the reaction: zoisite f wollastonite: grossularitef quartz*HzO. This reaction is...Abbreviations:-Ca-calcite; Ge-gehlinite: Wo-wollastonite; Gr-grossularite; Zo-z oisite ; Pr-prehn ite...corresponding to composition AneT (Schairer et al.,1956) Wollastonite from Willsboro, New York was obtained from the |  | Robie, Richard A, Bin, Zhao, Hemingway, Bruce S, Barton, Mark D (1987) Heat capacity and thermodynamic properties of andradite garnet, Ca3Fe2Si3O12, between 10 and 1000 K and revised values for ΔfGom (298.15 K) of hedenbergite and wollastonite. Geochimica et Cosmochimica Acta, 51 (8) 2219-2224 doi:10.1016/0016-7037(87)90271-7 | Journal (article/letter/editorial) | | values for AfGz (298.15 K) of hedenbergite and wollastonite RICHARD ROBIE’, ZHAO BINS,BRUCES. HEMINGWAY’...From a reexamination of the calcite + quartz = wollastonite equilibrium data we obtained ArHk (298.15 K)...K) = - 1634.5 -I 1.8kJ/mol for wollastonite. Between 300 and 1000 K the molar heat capacity of andradite...PREPARATION Reagent grade CaC03, Fe203 and acid cleaned Lisbon, Maryland,quartzwerecombined in andradite stoichiometry...the x-ray diffraction results was wollastonite. These wollastonite bearing charges were rerun for two |  | | Journal (article/letter/editorial) | | potential was 2o kV. The standards used were: wollastonite for Ca, lueshite for Nb, uraninite for U, synthetic...the Laborat6ria de T6cnicas Fisico-Quimicas in Lisbon. A Straumanis-type ~I4"83 mm diameter Debye-Scherrer...authors wish to thank Dr. J. L i m a de Faria, Lisbon, for guidance and assistance during the X-ray work;...tantalian aeschynite. The work by the first author in Lisbon took place under the auspices of the Calouste Gulbenkian |  | | Report (chapter) | | Universidade Lisboa, Edificio C2, Piso 5, 1749016 Lisboa, Portugal 4Dpt. Geologia. Fac. Ciencias. Universidad Huelva...Autochthonous 0 Terrane Ossa-Morena A Zone ~ Lisbon~ South Portuguese~l Zone Granitoids (Cadom~anto...is made of the Iberian Pyrite Belt and the SW Portugal Domains (Oliveira 1983, 1990). The Pulo do Lobo...Belt are described in more detail later. The SW Portugal Domain is composed of anchimetamorphic monotonous...hedenbergite- salite and minor grandite (4- wollastonite) zones replaced by a retrograde skarn with |  | | Journal (article/letter/editorial) | | Skarns in the Riba de Alva Mine, Northeastern Portugal L. MIGUEL GASPAR† Departamento de Geologia, Faculdade...de Lisboa, Bloco C2, Campo Grande, 1700 Lisboa, Portugal AND CARLOS M. C. INVERNO Instituto Geológico...Portela-Zambujal, Apartado 7586, 2720 Alfragide, Lisboa, Portugal Abstract The metasediment-hosted distal scheelite...mine, Barca de Alva-Escalhão region, northeastern Portugal, consist of three main levels of strata-bound...Inverno, 1998a) in the Riba de Alva mine, northern Portugal, one of the scheelite-mineralized systems within |  | | Book | | Leandro Gomes and Paulina Faria Fernandina Wall of Lisbon: Mineralogical and Chemical Characterization of...forming aggregates) in the glazes studied, such as wollastonite (calcium silicate) or diopside (calcium magnesium...homogeneous and flawless surfaces. The diopside and wollastonite crystals identified in many samples would have...electron image (BSEI) showing acicular crystals of wollastonite (SM-28), (b) Secondary electron image showing...de Património, Universidade do Algarve: Faro, Portugal, 2008; pp. 139–155. Baldassarri, M.; Berti, G |  | | Journal (article/letter/editorial) | | hill along the road connecting the quarry with Lisbon street. GBNrnar Gnorocv The bed rocks of the Lewiston...apatite, pyrite, scapolite,biotite, titanite and wollastonite: at Dillon, Montana, it is accompanied by garnet;...Wilson (36) listed pyroxene, quartz, titanite, wollastonite, diopside, orthoclase and calcite. It will be...minerals associated with the graphite as scapolite, wollastonite, orthoclase, titanite and diopside, then graphite |  | | Journal (article/letter/editorial) | | pages 134-144, 1994 Enthalpy of formation of wollastonite (CaSiO.) and anorthite (CaAlrSirOr) by experimental...reaction CaCO, + SiOr: CaSiOr + CO, qwtz elcite wollastonite vapor was precisely determined at 700, 750...high-precision thermal data for calcite and wollastonite and their componentoxides,a molar enthalpyof...homogenizedequimolar mechanicalmixture of pure natural wollastonite and quartz and synthetic corundum. The mean...Material N anorthite (1650 K) anorthite (Naxos) wollastonite * corundum * quartz AH d u 9 65.84 67.17 |  | | Journal (article/letter/editorial) | | aqueous calcium chloride and the solubiiity of wollastonite represented by the woliastonite + 2HCl” * CaCl;...(1978) determined wollastonite solubility represented by the reaction CaSiOJ wollastonite + 2HC1 F? CaC12...consists of ~uilibration of the mineral assemblage wollastonite + quartz with aqueous calcium chloride sohttions...welded Au capsule along with the assemblage wollastonite + quartz + a CaCl,-HZ0 solution + Ag + AgCI...measured after quench. Starting materials The wollastonite used in all runs was synthesized hydrothermally |  | | Report (issue) | | . . . . . . . . . . . . . . . . . . . . . .35 Lisbon Valley . . . . . . . . . . . . . . . . . . . ....Hanksville 15 Silver Reef (Harrisburg) Leeds Lisbon Valley Monticello White Canyon SAN JUAN Cedar...of new minerals such as garnet, diopside, and wollastonite. Later, metal-bearing fluids from the intrusion... gypsum, chalcanthite, beaverite, jarosite, wollastonite, and calcite. Chalcanthite and gypsum coat the...uranium districts in Utah are White Canyon and Lisbon Valley, and are discussed herein. Ores containing |  | | Journal (issue) | | 1000 level, in the East leg of the West vein. WOLLASTONITE was found mining activities early this year...number 1, pages 4-6.) As one might expect, the Wollastonite appeared much as previously described. -5- ...zone, contained finely developed individual Wollastonite crystals and crystal bundles, up to 3/8 inch...Under short wave ultraviolet radiation, the wollastonite displays a fair orange fluorescence, reminiscent... Under long wave ultraviolet radiation, the Wollastonite responds with a very weak orange fluorescence |  | | Journal (article/letter/editorial) | | Shoals Electrochemical Corp.) and a natural qm from Lisbon, Maryland. The 1-t amount of impurity in any reagent...samples were used. One was a crushed quartz from Lisbon, Maryland which had been ieached in nitric acid...brackets which are superior to data availakermanite wollastonite montioellite able from solution calorimetry...present enthalpies of formation monticellite wollastonite of akermanite monticellite and merwinite with |  | | Journal (article/letter/editorial) | | whereas from limestones,garnet, vesuvianite, wollastonite, diopside,epidote,wernerite, and somelessco...are too low to be productiveof much garnet. Wollastonite and diopsidewould probably result from recrystallizationin...selectedAmerican instancesmay be given,thefirst from New Lisbon,Ohio,andthe second from ORE DEPOSITS'ATINTRUSIVE...moleculecalls for, would doubtlessyield diopsideand wollastonite in addition to garnet. The low alumina of the |  | | Journal (article/letter/editorial) | | assemblagecalcite + quartz dissociatesproducing wollastonite+ CO2at pressuresbelow an invariant point at...dissociationreactionmeetsthe fusion curve for wollastonite* CO2: euartz * liquid; at higher pressures,calcite...in addition a eutecticreaction betweencalcite,wollastonite,and quartz. The thermal barrier on the liquidus...causesexpansion of the liquidus fields for calcite and wollastonite until they meet and exclude both spurrite and...previously dried at l,000oC;(3) SiO,, purified Lisbon quartz;(4) natural spurrite, Tres HermanasDistrict |  | | Journal (article/letter/editorial) | | Fully oxidized chromite in the Serra Alta (South Portugal) quartzites" chemical and structural characterization...Lisboa, Portugal AND Jo,~o C. WAERENBORGH ITN, Dept. de Qufmica, P-2686 Sacav6m Codex, Portugal Abstract...along the Ferreira-Ficalho Thrust Fault (South Portugal), a major accident of the Iberian Variscan Orogen...KEYWORDS: chromite, quartzite, oxidation, Serra Alta, Portugal. Introduction THE introduction and widespread...detrital grains in Devonian quartzites of southern Portugal, is emphasized because of its unusual chemical |  | | Journal (article/letter/editorial) | | a certain person (mostly, scientists), e.g., wollastonite (named after W. H. Wollaston, British chemist)...Great Master of the Malta Order, in his journey in Portugal. Dolomieu’s observations in this period were mainly...volcanic structures in the neighborhood of Lisbon (Portugal) and published the results in 1778. In Sicily |
|
Sintra Complex, Sintra, Lisbon, Portugal