Nuevos datos de la litología y de la estructura de los sectores central y oriental de Ceuta (Cordillera Bético-Rifeña) [PDF]
, 2016 In the central and eastern parts of Ceuta two tectonic units are differentiated: a) the Hacho unit, formed by two groups of orthogneisses which foliation permits to establish the structure: an anticline with a periclinal end at its western edge, and b ...
Ruiz Cruz, María Dolores +1 more
core
METALLOGENY OF SOUTH TISIA - MOSLAVAČKA MT., PSUNJ, PAPUK AND KRNDIJA
Rudarsko-geološko-naftni Zbornik, 2013 Core of the Moslavačka Mt. is built of S-type granite and granodiorite, wrapped up in migmatites. Outer zone is represented with metamorphites of amphibolite facies. The Moslavačka Mt.
Ivan Jurković
doaj
The metasedimentary-hosted Nyangoubé gold prospect, northwest Côte d'Ivoire: Geochemical and mineralogical characterization of associated hydrothermal alteration. [PDF]
Heliyon, 2023 Djagre L +4 more
europepmc +1 more source
A propos des migmatites pyreneennes
Bulletin de la Société Géologique de France, 1956 Abstract Observations in the Saint-Barthelemy massif (France) and in other localities in the Pyrenees indicate that metasomatic enrichment in silica and soda (of the order of some 5 to 10 percent) caused alteration of schists into migmatites characterized by a quartz diorite composition.
openaire +1 more source
Geologija, 1991 Hercynian crystalline complex of the Slavonian Mountains and surrounding basement of the Pannonian Basin comprises the following units: (1) anchimetamorphic and very low-grade metamorphic rocks with metabasic igneous rocks, (2)progressive metamorphic ...
Jakob Pamić, Marvin Lanphere
doaj
Late Svecofennian leucogranites of southern Finland : Chronicles of an orogenic collapse [PDF]
, 2011 Leucogranite magmatism occurred in southern Finland during the later stages of the Paleoproterozoic Svecofennian orogeny. The leucogranites are considered to have formed from pre-existing crustal rocks that have undergone anatexis in the extensional ...
Kurhila, Matti
core
The geology and petrogenesis of the southern closepet granite [PDF]
The Archaean Closepet Granite is a polyphase body intruding the Peninsular Gneiss Complex and the associated supracrustal rocks. The granite out-crop runs for nearly 500 km with an approximate width of 20 to 25 km and cut across the regional metamorphic ...
Friend, C. R. L. +3 more
core +1 more source
, 1989 11 tableaux ; 2 figuresLes mesures de l'érosion chimique débouchent sur l'établissement de bilans géochimiques de l'altération actuelle. Les vitesses de désodisation totale des roches se révèlent très fortes (18 à 30 mm de roches saines / 1000 ans ...
Martin, Claude
core +1 more source
Resetting and closing codition of Rb-Sr whole-rock isochron system: some samples of metamorphic and granitic rocks from the Gondwana super-continent and Japan Arc [PDF]
, 2003 The closure temperature of the Rb-Sr whole-rock system for felsic rocks has been generally considered to be ca. 700゜C, but it falls to ca. 400゜C, as a result of efficient action of fluids,especially H_2O.
Hiroo Kagami +5 more
core +1 more source
Reconstructing Middle and Upper Paleolithic human mobility in Portuguese Estremadura through laser ablation strontium isotope analysis. [PDF]
Proc Natl Acad Sci U S A, 2023 Linscott B +6 more
europepmc +1 more source