Results 91 to 100 of about 7,546 (232)
Geologia USP. Série Científica, 2002 Análises isotópicas de Pb, Rb, Sr, Sm e Nd foram realizadas em anfibolitos de Campo Largo (PR), Rio Branco do Sul (PR) e Adrianópolis (PR) e em metabásicas de Adrianópolis e Apiaí (SP), pertencentes aos Grupos Açungui e Setuva, porção sul da Faixa ...
Marcos Aurélio Farias de Oliveira +3 more
doaj +1 more source
Paragenetic positioning of PGE in mafic and ultramafic rocks of Cabeço de Vide – Alter do Chão Igneous Complex [PDF]
, 2006 A expressão mineralógica de platinóides nas rochas máficas e ultramáficas de Cabeço de Vide (Complexo Ígneo de Alter do Chão), ocorre em dois episódios de deposição primária que se relacionam com os estádios de fraccionação dunítico a pós-dunítico ...
Castelo Branco, José Mário +3 more
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Petrologia do Maciço Alcalino de Itapirapuã, SP [PDF]
, 2017 The alkaline rock complex of Itapirapua covers an area of approximately 4 km², with irregular shape, and elongated NW-SE. It was intruded in a large body of granitic rocks. The alkaline intrusion consists exclusively of undersatured rocks, predominantly nepheline syenites with variable amounts of titaniferous garnet (melanite). Basic alkaline varieties
openaire +1 more source
The 2021 La Palma eruption: social dilemmas resulting from life close to an active volcano
Geology Today, Volume 40, Issue 3, Page 96-111, May/June 2024.Damage and destruction caused by the 2021 eruption of the Tajogaite volcano on La Palma was unprecedented relative to other historical eruptions of the last century (1909, 1949, 1971, 2011) in the Canary Islands. The devastation caused by the eruption was not a result of eruption magnitude, which was only marginally larger than other historical events,
Valentin R. Troll +14 more
wiley +1 more source
Un settembre molto idrogeologico
Acque Sotterranee, 2019 Nel settembre 2019 si sono avute molte occasioni di incontri e di riflessioni scientifiche per gli idrogeologi italiani. La rassegna degli eventi IAH o patrocinati da IAH che si sono svolti in questo periodo comincia con il congresso congiunto SIMP-SGI ...
Daniela Ducci +3 more
doaj +1 more source
La Normalització internacional en geologia [PDF]
, 2009 Breu recorregut per les principals fonts de normalització de la terminologia geològica, que revisa diverses tradicions lingüístiques, alguns diccionaris de referència i les iniciatives de diverses comissions internacionals (mineralogia, petrologia i ...
Reguant i Serra, Salvador
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Tectonics, Volume 43, Issue 4, April 2024.Abstract Metamorphic basements are usually considered rigid and isotropic at a large scale. However, basements contain inherited weaknesses that may potentially accommodate superimposed contraction (e.g., fault reactivation), and that favor fold nucleation (e.g., penetrative foliations).
Rubén Díez Fernández +5 more
wiley +1 more source
Petrologia e geoquímica de rochas granitóides da área de Castelo Branco-Idanha-a-Nova (Centro de Portugal) [PDF]
, 2010 Publicação comemorativa do "Ano Internacional do Planeta Terra"Na região de Castelo Branco-Idanha-a-Nova ocorrem dois plutões que instruíram o Complexo Xisto-Grauváquico Câmbrico.
Antunes, I.M.H.R. +2 more
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LA-ICP-MS U-Pb geochronology of detrital zircons from the Jining Complex, North China Craton and its tectonic significance [PDF]
, 2006 LA-ICP-MS U-Pb zircon dating and cathodoluminescene (CL) image analysis were carried out to determine the protolith and metamorphic ages of high-grade Al-rich gneisses, named as "khondalites", from the Jining Complex of the North China Craton (NCC).
Luo, Y, Sun, M, Xia, X, Zhao, G
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Journal of Biomedical Materials Research Part B: Applied Biomaterials, Volume 112, Issue 1, January 2024.Abstract This study describes the development and characterization of novel composite scaffolds, made of an alginate‐chitosan hydrogel matrix containing eggshell (ES) particles, for bone tissue engineering applications. Scaffolds with ES particles, either untreated or treated with phosphoric acid to create a nanotextured particle surface, were compared
Nicholas D. Calvert +6 more
wiley +1 more source