Results 31 to 40 of about 32,456 (106)

The Brno Batholith: an insight into the magmatic and metamorphic evolution of the Cadomian Brunovistulian Unit, eastern margin of the Bohemian Massif [PDF]

open access: yesJournal of GEOsciences, 2012
The Brno Batholith, a part of the larger Brunovistulian Unit, consists of three genetically independent complexes, Western Granitoid Complex (part of the Thaya Terrane), Ophiolite Belt (formerly Metabasite Zone or Central Basic Belt), and Eastern Granitoid Complex (part of the Slavkov Terrane).
J. Leichmann, V. Höck
openaire   +1 more source

Cadomian Geological Heritage of Abrantes area

open access: yes, 2023
Resumo alargadoSUMMARY: A well preserved Cadomian basement crops out at the contact between the Ossa Morena Zone and the Central Iberia Zone near Abrantes area. The magmatic and metamorphic activity recorded in this area indicates the existence of a long‐
Alves, Paulo   +2 more
core  

Late Ediacaran juvenile magmatism in the Variscan Monts-du-Lyonnais metamorphic complex (Massif Central, France)

open access: yesBSGF - Earth Sciences Bulletin
The identification of oceanic sutures is key to understanding the evolution of the Paleozoic Variscan belt and the structure of the West European lithosphere.
Couzinié Simon   +6 more
doaj   +1 more source

Late Cambrian magmatic arc activity in peri-Gondwana: geochemical evidence from the Basal Allochthonous Units of NW Iberia

open access: yesGeologica Acta, 2017
The North African section of the Gondwana margin was the site of voluminous, arc-related magmatism during the Late Neoproterozoic (Avalonian–Cadomian orogen).
P. ANDONAEGUI   +2 more
doaj  

The Uplift of Armorica and the Bretonian Movements of the Variscan Orogeny‐New Insights From Detrital Zircons in the Early Carboniferous Terrigenous Rocks of the Laval Basin (Armorican Massif, France)

open access: yesGeochemistry, Geophysics, Geosystems
In the French Armorican Massif, the Bretonian phase of the Variscan orogeny has been defined by the Late Devonian (Famennian‐Frasnian) erosion gap, and the Early Carboniferous (Tournaisian) syntectonic terrigenous deposits of the l’Huisserie formation in
Wei Lin, Michel Faure, Lingtong Meng
doaj   +1 more source

Crustal architecture studies in the Iranian Cadomian arc: insights into source, timing and metallogeny

open access: yes, 2021
The Jalal Abad magmatic rocks, situated at the southern edge of the Saghand-Bafgh-Zarand district, include a thick pile of Cadomian extrusive and pyroclastic units intruded by younger granitoid stocks.
Sepidbar, Fatemeh   +3 more
core   +1 more source

GEOLOGY AND METALLOGENY OF THE DRINA-IVANJICA METAMORPHIC COMPLEX IN EASTERN BOSNIA – WESTERN SERBIA

open access: yesRudarsko-geološko-naftni Zbornik, 2006
This paper gives a critical review of all relevant, published works on the stratigraphy, tectonics, magmatism, metamorphism and metallogeny of the metamorphic complex of the Drina-Ivanjica Formation in eastern Bosnia-western Serbia. Special attention was
Ivan Jurković
doaj  

MENDERES MASİFİ'NDEKİ PAN-AFRİKAN VE TRİYAS YAŞLI METAGRANİTOYİDLERİN JEOLOJİİ VE JEOKRONOLOJİİ, BATI ANADOLU, TÜRKİYE

open access: yesBulletin of the Mineral Research and Exploration, 2011
Menderes Masifi (MM), Türkiye'nin batısında Alpin Orojenik Kuşağı içerisinde geniş alanda yüzeyleyen metamorfik bir komplekstir. Masif ana olarak, Prekambriyen yaşlı bir temel ve onu üzerleyen Paleozoyik-Erken Tersiyer yaşlı örtü serilerinden yapılıdır ...
O. Ersin KORALAY   +6 more
doaj  

Pre-early Ordovician Cadomian arc-type granitoids, the Bolu Massif, West Pontides, northern Turkey: geochemical evidence

open access: yes, 1999
The West Pontides tectonic belt of northern Turkey comprises a Lower Ordovician-Lower Carboniferous transgressive sequence. A stratigraphic base ment to this Paleozoic sequence is exposed in the Bolu area. The tectono-stratigraphy of the basement closely
Ustaomer, PA
core   +1 more source

Phanerozoic flooding of North America and the Great Unconformity. [PDF]

open access: yesProc Natl Acad Sci U S A, 2023
Tasistro-Hart AR, Macdonald FA.
europepmc   +1 more source

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