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pro vyhledávání: '"G. Macciotta"'
Akademický článek
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Autor:
A. Di Grande, A Lo Giudice, Renzo Tassinari, Franca Siena, G. Macciotta, Luigi Beccaluva, Carmela Vaccaro, Massimo Coltorti
Publikováno v:
Scopus-Elsevier
(S3); the Sr–Nd isotopic differences between alkaline and subThe Pliocene–Pleistocene volcanism of the Iblean area developed alkaline lavas are consistent with a strong alkali-silicate ± along a NE–SW lithospheric wrench fault system with a wi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0cdc84631dd97d39712c8fa90d991d9b
http://hdl.handle.net/11392/1209427
http://hdl.handle.net/11392/1209427
Autor:
L. Morbidelli, Luigi Beccaluva, Mario Barbieri, Gianbosco Traversa, G. Macciotta, Celso B. Gomes, C. Garbarino, Aida Maria Conte, Luiz Fernando Scheibe, Massimo Coltorti, Sara Ronca
Publikováno v:
Repositório Institucional da UFSC
Universidade Federal de Santa Catarina (UFSC)
instacron:UFSC
Scopus-Elsevier
Repositório Institucional da USP (Biblioteca Digital da Produção Intelectual)
Universidade de São Paulo (USP)
instacron:USP
Universidade Federal de Santa Catarina (UFSC)
instacron:UFSC
Scopus-Elsevier
Repositório Institucional da USP (Biblioteca Digital da Produção Intelectual)
Universidade de São Paulo (USP)
instacron:USP
Artigo The alkaline-carbonatite district of Lages (Santa Catarina, Brazil), contains mafic-ultramafic and prevalent leucocratic bodies mainly composed of olivine melilitites, olivine nephelinites, basanites, phonotephrites, nepheline syenites and per
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6d71e181767c05f5ccb8eea93b643053
https://repositorio.ufsc.br/handle/123456789/189592
https://repositorio.ufsc.br/handle/123456789/189592
Autor:
Pietro Brotzu, Celso B. Gomes, Joel Barbujiani Sígolo, G. Traversa, L. Morbidelli, C. Garbarino, G. Macciotta, Leone Melluso, Mario Barbieri, L. Beccaluva, Excelso Ruberti
The Passa Quatro alkaline complex is formed by strongly undersaturated, felsic intrusive and subvolcanic rocks (nepheline-syenites and phonolites). The abundance and fractionation of alkali feldspar, together with lesser amounts of femic phases, gene
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1c84ac3c2118622f662d984f5e031d86
http://hdl.handle.net/11588/132224
http://hdl.handle.net/11588/132224
Autor:
Afonso Almeida, Mario Barbieri, Gianbosco Traversa, Aida Maria Conte, P. Brotzu, L. Morbidelli, Franca Siena, G. Macciotta, Celso B. Gomes, Massimo Coltorti, Excelso Ruberti, C. Garbarino, Luigi Beccaluva
Publikováno v:
Repositório Institucional da Universidade Federal do Ceará (UFC)
Universidade Federal do Ceará (UFC)
instacron:UFC
Repositório Institucional da USP (Biblioteca Digital da Produção Intelectual)
Universidade de São Paulo (USP)
instacron:USP
Universidade Federal do Ceará (UFC)
instacron:UFC
Repositório Institucional da USP (Biblioteca Digital da Produção Intelectual)
Universidade de São Paulo (USP)
instacron:USP
The alkaline district of Fortaleza (Cearä, Brazil) consists of a number of phonotephritic plugs, domes, and dykes cropping out in the Precambrian basement, aged around 30 Ma.Chemically and petrographically the rocks range in composition from tephrit
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6ff6603489710ab00e3f3a57d89bf74c
http://www.repositorio.ufc.br/handle/riufc/64302
http://www.repositorio.ufc.br/handle/riufc/64302
Publikováno v:
Bulletin Volcanologique. 41:56-77
The Cainozoic volcanism of Sardinia (Italy) can be divided into two main cycles with different magmatic and geodynamic significance. The early cycle — Oligo-Miocenic in age (29-13 My ago) — shows the calc-alkaline character typical of converging
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b8b3a4d7a2d9db6c13b3b095c246f307
https://doi.org/10.1007/bf02597683
https://doi.org/10.1007/bf02597683
Publikováno v:
Chemical Geology. 77:165-182
A statistical microprobe study has been carried out on augitic clinopyroxene in high-Ti to low-Ti metabasalts from various Phanerozoic ophiolites; a comparison has been made with clinopyroxenes from mid-ocean ridge basalts (MORB), oceanic intraplate
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::222de8f340d387beecef675423bd792d
https://doi.org/10.1016/0009-2541(89)90073-9
https://doi.org/10.1016/0009-2541(89)90073-9
Publikováno v:
Chemical Geology. 77:331-345
Spinel peridotite xenoliths commonly occur in Pliocene-Quaternary alkaline basic lavas (basanite, alkali basalt, hawaiite and trachybasalt) that crop out in various areas of the island of Sardinia (Italy). They are sometimes associated with clinopyro
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::37716c1bac61c62484d5c5b5fb36ea0f
https://doi.org/10.1016/0009-2541(89)90082-x
https://doi.org/10.1016/0009-2541(89)90082-x
Publikováno v:
Bulletin Volcanologique. 40:153-168
The Pliocene-Pleistocene subaerial volcanic activity of the island of Sardinia developed from about five million years ago to the Pleistocene. Volcanism was mainly fissural, related to rifting of the Sardinian crustal block and connected to intraplat
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::66a6ececbbbecfdeb69411ba81daa7fb
https://doi.org/10.1007/bf02596997
https://doi.org/10.1007/bf02596997
Publikováno v:
Lithos. 17:299-316
Mineral and bulk-rock chemistry investigations on upper mantle peridotites from the Northern Apennine ophiolitic terrains indicate that significantly different evolution have been suffered by the ultramafic bodies related to different structural and
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d94c43eb3146eefbabe5b1ca312781bd
https://doi.org/10.1016/0024-4937(84)90027-6
https://doi.org/10.1016/0024-4937(84)90027-6