 | | Journal (article/letter/editorial) | | in the Iberian Alkaline Province (Monchique and Sintra) lead to the conclusion that two separate magmatic...]via. K--At results relating to the Monchique and Sintra complexes are presented in Table 1 and brief descriptions..._+2 Ma. The age measured for the biotite from the Sintra '3ranite is analytically pre~:ise and there seems...67.8 -~ 1.4 65.0 +_ 1.3 81.9 + 3.4 2. Foia 3. Sintra '~J Ar* = radiogenic argon-40; *JArT = total argon-40;...corresponding whole-rock from each of the complexes at Sintra, Sines and Monchique. Model ages range frt~m 56 |  | | Journal (article/letter/editorial) | | intrusive 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) | | mixed petrographic province - the Sintra intrusive complex (Portugal) and related rod, s By J. B. WRIGHT...auf dern hochgelegenen Pluton-Massiv der Serra de Sintra vor. Zwei darin au:fgefundene, sich teilweise iiberdeckende...eine sehr geringe Rolle in der Petrogenese der Sintra-Intrusiva. Der Granit wird als direktes Produkt...the high-level plutonie massif of the Serra de Sintra, while two overlapping ring complexes recognised...Be-interpretation of a mixed petrographic province the Lisbon region, where compositions range from olivine basalt |  | | Journal (article/letter/editorial) | | Cliff Hazard Assessment at Sintra and Cascais Counties, Western Coast of Portugal Fernando Marques ID Departamento...Ciências, Universidade de Lisboa, 1749-016 Lisboa, Portugal; fsmarques@fc.ul.pt; Tel.: +351-217-500-000 Received:...hazard; landslide; rockfall; logistic regression; Portugal 1. Introduction Sea cliff evolution is dominated...the world coastlines [4,5], and circa 50% of the Portugal coast [6]. As a result, the economic value of...neighboring counties, Sintra and Cascais, located about 30 km to W and WNW of Lisbon, Portugal. The sea cliff |  | | Journal (article/letter/editorial) | | K-FELDSPAR IN THE HERCYNIAN TÁBUA GRANITE, CENTRAL PORTUGAL LUIS J.P.F. NEVES§, ALCIDES J.S.C. PEREIRA AND... Universidade de Coimbra, 3049 Coimbra Codex, Portugal ABSTRACT An assessment of the influence of the...Tábua porphyritic biotite granite, in central Portugal, is presented, taking into account the results...structural state, cooling rate, Tábua granite, Portugal. SOMMAIRE Nous évaluons l’influence du taux de...du granite porphyrique à biotite de Tábua, au Portugal central, d’âge hercynien. Nous considérons aussi |  | | Journal (article/letter/editorial) | | Petrogenesis of the Monchique Alkaline Complex, Southern Portugal by N. M. S. ROCK Institute of Geological Sciences...Monchique is a mountain range in the far south of Portugal, commanding both Atlantic coasts of that country...complexes in southern Portugal (Mendes, 1967), the others being the granites of Sintra and Sines. Petrologically...Hebrides (e.g. Walker & Patterson, 1961), while Sintra is very similar to the Lundy complex, Bristol Channel...basic species (crinanites at Lundy and mafraites at Sintra). Assuncao (1940) drew further petrological similarities |  | | Journal (article/letter/editorial) | | Porto, Rua do Campo Alegre 687, 4169-007 Porto, Portugal Pólo-Porto, Instituto de Ciências da Terra, Rua...Rua do Campo Alegre 687, 4169-007 Porto, Portugal Irvine Building St Andrews, School of Earth & Environment...granites has been described in several works, both in Portugal and in Spain (e.g., [6,17–24]). Nevertheless,...only the following five occurrences are known in Portugal: PenedaGerês, Lamas de Olo, and Lavadores-Madalena...[19]; and Santa Eulália Plutonic Complex in south Portugal [20]. The purpose of this work is to enhance and |  | | Journal (issue) | | (although others come from South Africa, Peru, Portugal, Argentina, Zambia and North Fig. 4 America)...7 Fig. 7 Tecnologia, Universidade de Aveiro, Portugal. In his introduction, Silva covers: what minerals...collection in South Africa. Since returning to Portugal in 1986, his business portfolio has expanded...art collection was moved to Portugal and formed the nucleus of the Sintra Museum of Modern Art, opened...opened in 1997 in the town of Sintra, northwest of Lisbon, and the Berado Collection Museum at the Centro |  | Barbosa, Sofia, Dias, António, Durão, Diogo, Grilo, José, Baptista, Gonçalo, Cagiza, Jonhsman, Pessanha, Sofia, Simão, Joaquim, Almeida, José (2022) Exploring High-Resolution Chemical Distribution Maps of Incompatible and Scarce Metals in a Nepheline Syenite from the Massif of “Serra de Monchique” (Portugal, Iberian Peninsula) Minerals, 12 (9) 1178 doi:10.3390/min12091178 | Journal (article/letter/editorial) | | Syenite from the Massif of “Serra de Monchique” (Portugal, Iberian Peninsula) Sofia Barbosa 1, * , António...Syenite from the Massif of “Serra de Monchique” (Portugal, Iberian Peninsula). Minerals 2022, 12, 1178....Caparica, Portugal LIBPhys & NOVA FCT, 2829-516 Caparica, Portugal NOVA FCT, 2829-516 Caparica, Portugal Correspondence:...Monchique” located in the southwest region of Portugal (Algarve, Iberian Peninsula). The results allow...northwest region of the Algarve region in southern Portugal (Iberian Peninsula). Nepheline syenites (NS) are |  | | Journal (article/letter/editorial) | | Composition of Alkaline Rocks: New Data from Southern Portugal and East Africa N.M.S. Rock Department of Mineralogy...nepheline syenite forming the Monchique intrusion in Portugal could not have formed by any of processes (i)...Complexes Investigated The Monchique Complex, Portugal."is the type-locality for two important alkaline...ranging from 58-85 m.y. for the related intrusions of Sintra, Sines and Monchique, based on whole-rock and biotite...other foyaites, its patchy texture and corroded orthoclase phenocrysts are atypical among these and it may |  | | Journal (article/letter/editorial) | | Coimbra, Portugal (marinacp@ci.uc.pt) 2 Department of Geosciences, University of Aveiro, Portugal 3 LNEG–National...Energy and Geology, 4466956 S. Mamede de Infesta, Portugal Electron microscopy images, X-ray maps and electron...the Vale de Abrutiga uranium mine area, Central Portugal N. Jb. Miner. Abh 185/2, 183-198 A182 Goldschmidt...LNEG, Portugal (rita.caldeira@ineti.pt) Geology Center, Sci. Fac., Univ. Lisbon (CeGUL), Portugal 3 Tropical...Tropical Research Institute (IICT), Portugal 2 Sub-aerial flows of olivine nephelinites and melilitites |  | | Journal (issue) | | place in ancylite from Mont St-Hilaire, Quebec. Orthoclase KAlSi30 8 Colorless, pseudorhombohedral crystals...and {101}. Our decision to call this feldspar orthoclase is purely arbitrary and is solely based upon...Magnetite Orthoclase Pyrite Quartz Stilpnomelane Albite Anatase Calcite Chamosite Ilmenite Orthoclase Pyrite...the other rock groups of the area. The abandoned Sintra stone quarry at Ayers Cliff contains quartz-carbonate...with great festivities at the Royal Court in Lisbon, Portugal. The pattern of distribution of the topaz |  | | Book | | Finland France Germany (The Federal Republic) Norway Portugal Roumania Sweden U.S.S.R. Angola Burundi Canary...solution. In the case of potash feldspar, e.g. orthoclase, this reagent forms a deep yellow precipitate...high-temperature form, occurs in volcanic rocks, and orthoclase, another monoclinic variety, and microcline (triclinic)...when the albite is subordinate in amount to the orthoclase (or microcline) and antiperthite when this relationship...‘undersaturated’ syenite is composed of perthite, soda-orthoclase or soda microcline, with alkali-pyroxenes and |  | | Journal (issue) | | Congratulations to Rui Galopim de Carvalho of Sintra, Portugal, whose ballot was drawn from the many entries...Lead model of a diamond belonging to the Crown of Portugal—cut following the shape of a diamond.” The subsequent...plomb d’un diamant appartenant à la Couronne de Portugal—taillé suivant la forme du diamant.” (“Mr. Achard...Lapidary–Lead model of a diamond belonging to the Crown of Portugal—cut following the shape of a diamond.”). Entry...examples of other Golden Fleece insignia in museums in Lisbon, Munich, Austria, and elsewhere in Europe. Based |  | | Journal (issue) | | roykkvarts og mikroklinkrystallisering i Sintra i Portugal. Den var sa lik blokken e innpa ska uen her...felt spaten i groruditt er en «microperthite of orthoclase and alite » (sic!) (=albitt). (Sether 1962, s |  | | Journal (issue) | | deposits • Typical localities: Panasqueira in Portugal, Kara-Oba in Kazakhstan, Yaogangxian in China...literature. Photo © Palácio Nacional da Ajuda, Lisbon; courtesy of IPPAR—Instituto Português do Património...de Carvalho (ruigalopim@labgem.org) Labgem, Sintra, Portugal The famous Bragança diamond (internationally...crystal structure. feldspars with the end-members orthoclase K[AlSi3O8] and celsian Ba[Al2Si2O8]. Gem-quality...de Carvalho (ruigalopim@labgem.org) Labgem, Sintra, Portugal Although much has been written about the |  | | Book | | with smaller crystals of scapolite (Garmo, 2000). PORTUGAL Montijos quarry, Monte Redondo, Leiria Estremadura...Portuguese coast about 155 km north-northeast of Lisbon, is now closed and flooded, but produced good specimens...whereas in the typical ilmenite-bearing paragenesis orthoclase is less common, zeolites are absent, and brookite...produced some jeremejevite crystals to 5 cm on orthoclase crystal matrix (2000: 193), and a much larger..."Eisenrosen," colorless fluorapatite, aeschynite and orthoclase (WeiB and Rad!, 1989; Preite and Milanese, 2012) |  | | Book | | and Malka Hershkovitz 105 Christian Gems from Portugal in Context Graça Cravinho and Shua Amorai-Stark...de Lisboa Av. de Berna, 26-C P 1069-061 Lisboa Portugal graca.silvaster@gmail.com Professor Dr Véronique...Cravinho and S. Amorai-Stark: Christian Gems from Portugal in Context Pl.1 – © Luis Fraga da Silva; Pl. 2...comparada, III, Lisbon, 1985, 113; Pl. 5 – © Braga, Museu D. Diogo de Sousa; Pls 6,28 – © Lisbon, Museu Nacional...época das Invasões’, História da Arte em Portugal, II, Lisbon 1986, 14 and 10; Pl. 16 – after V.H. Correia |  | | Journal (issue) | | have been worked intermittently in recent years by Sintra Inc. under a lease from Pavage Varennes. The Bau-Val...Sokolovskoye suite). Dave Bunk had a new style of orthoclase collected last summer at Nieosla, Basha Valley...greenish gem. This is very nice, very unorthodox orthoclase. Dave also had some fine clusters of yellow-brown...The reddish brown crystals, 133 Figure 19. Orthoclase crystal group, 6 cm, from Nieosla, Basha Valley |  | | Book | | a mineral formed from acidsulfate leaching of orthoclase feldspar-rich rocks. In such settings, it is...). It presumably comes from Arrabida, near Lisbon, Portugal. Iron oxides and hydroxides group; Red ochre...(1983) Brown Synonym, variant or common name See: sintra umber and umber. CIOCCHI Red Synonym, variant...mine fires (such as at San Domingo mine, southern Portugal; Tsumeb mine, Namibia; Samson mine, Harz, Germany;...been cooled quickly (fully disordered but rare), orthoclase (Or) is cooled more slowly; microcline is the |  | | Book (edition) | | a mineral formed from acidsulfate leaching of orthoclase feldspar-rich rocks. In such settings, it is...). It presumably comes from Arrabida, near Lisbon, Portugal. Iron oxides and hydroxides group; Red ochre...(1983) Brown Synonym, variant or common name See: sintra umber and umber. CIOCCHI Red Synonym, variant...mine fires (such as at San Domingo mine, southern Portugal; Tsumeb mine, Namibia; Samson mine, Harz, Germany;...been cooled quickly (fully disordered but rare), orthoclase (Or) is cooled more slowly; microcline is the |  | | Journal (issue) | | (+) Natrolite 60°-65° (+) 70°-75° (+) Orthoclase/Sanidine 20°-90° (-) Chrysoberyl 30°-70°...methods of treatment. Rui Galopim de Carvalho of Sintra, Portugal, in the UK to speak at the Gem-A Scottish...Suk Wa, Hong Kong Lefevre, Andre Francis, Maia, Portugal Lin Chun-yen, London Liou Shin-Ling, Egham, Surrey |  | | Report (chapter) | | Radiometric age Rb-Sr (4 = x "39 X lo-nyear -1) Orthoclase: Rb -----397 ppm, Total Sr = 25"2 ppm, s~Sr*...r e g r a n i t e South-east of Oporto, north Portugal. Exact site not given. D.B. Smith Permian/U...m6thode au strontium des granites de Sintra et de Castro Daire au Portugal. C.R. Acad. Sci., Paris, o52, 3305-6...Stratigraphical comment. The Stephanian beds in northern Portugal are regarded as Middle Stephanian (Stephanian...Castro DaireSAo Pedro do Sul-S~tao region (northern Portugal). Comun. Serv. geol. Portug. 37. TEIXEIRA, C. |  | | Book (edition) | | ssgeJdrar h1ssning h1sstyrare. signalman kaka. sintra 1331 1332 1333 1334 1335 1336 1337 1338 cakmg...portland1te minera1 possible potasse orthose. orthoclase mme de potasse sels de potasse potassium cyaoure...shafts sinter sankningsarbete sanka nya shakt sintra. sinter. tuff. travertin Abteufatbeit neue Schiichte...sinter. 8206 sinterbelaggrnng, 8209 smterverk. 8208 sintra. 1330. 3579. 8206 smtrad massa. 718 smtrad tuft...orpaillage. 32 3 orpa1lleur 322. 2328 orp,mem, 6139 orthoclase. 6700 orthose 6700 orviet1te. 61 42 osc1lla11on |  | | Report (volume) | | Natural rhyolitic obsidian and synthetic albite-orthoclase glasses. P=1.4-2.8 bar. Friedman et al. (1993)...Macroperthite Tanco Albite Amelia Albite Albite (from gl) Orthoclase (gl) Forsterite Forsterite Forsterite Forsterite...9 ----- H2S mm/kg 476 Shanks Dive Eiffel T Sintra Mkr4 2608 Jason 1687 1618 1700 1719 1644 3450 |
|
