Results 71 to 80 of about 32,456 (106)

Geochronological and geochemical characteristics of the Dehzaman intrusive and volcanic rocks (NE Iran): Implication for a Cadomian magmatism [PDF]

Periodico di Mineralogia, 2019
published
Hajimirzajan, H., Shafaroudi, A. M., Homam, S. M., Shari, M. R. H., Santos, José Francisco   +4 more
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Golpayegan Metamorphic Complex (Sanandaj–Sirjan Zone, Iran) as Evidence for Cadomian Back-Arc Magmatism: Structure, Geochemistry and Isotopic Data

Geotectonics, 2022
published
Ahmadi-Bonakdar, S., Tabatabaei Manesh, S.M., Nadimi, A., Mirlohi, A., Santos, José Francisco, Parfenova, O.V.   +5 more
openaire   +3 more sources

Timing of Cadomian deformation and magmatism within La Hague, NW France

Journal of the Geological Society, 2005
The La Hague peninsula, Normandy, NW France, contains the most northerly components of the Late Neoproterozoic Cadomian orogeny. U–Pb dates for single-grain and small multiple-grain zircon separates from carefully selected plutons provide geochronological constraints on the timing of deformation and magmatism within the region. The syntectonic Jardeheu
J.D. Inglis, S.D. Samson, R.S. D'Lemos, B.V. Miller   +3 more
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The geochemical character of late Cadomian extensional magmatism in Jersey, Channel Islands

Geological Society, London, Special Publications, 1990
Abstract An episode of magmatism, which may represent the last igneous phase attributable to the Cadomian orogenic cycle, is found in southern Jersey, Channel Islands. A zone, some 3 km wide, of intensive dyke injection, the Jersey Main Dyke Swarm, cuts across post-orogenic calc-alkaline plutons, though showing a close temporal link with ...
G. Lees
openaire   +2 more sources

Sm–Nd isotope characteristics of late Cadomian granite magmatism in northern France and the Channel Islands

Geological Magazine, 1993
AbstractSm–Nd isotopic studies of granites within the late Precambrian, Cadomian, orogenic belt of the North Armorican Massif (northwestern France) and Channel Islands reveal differences between arc-related granite magmatism in outboard terranes and intracrustal granite magmatism in inboard terranes. Late Cadomian (c.
R. S. d'Lemos, M. Brown
openaire   +2 more sources

Back-Arc Magmatism in the Cadomian Basin of NW Iran: Ortho-Amphibolites from the Alam Kandi Area

Geotectonics, 2023
R. Hajialioghli, M. Moazzen, R. Oberhänsli, S. Ahmadzadeh, M. Ahangari   +4 more
openaire   +2 more sources

Neoproterozoic magmatism and Carboniferous high-grade metamorphism in the Sredna Gora Zone, Bulgaria: An extension of the Gondwana-derived Avalonian-Cadomian belt?

Precambrian Research, 2006
Abstract Numerous basement massifs within the Alpine-Carpathian Orogen record the Neoproterozoic to Paleozoic development of the southern margin of Europe. This area is critical for adequate understanding of the interactions between the northern (i.e., Laurentia and Baltica) and southern (i.e., Gondwana) continents during this time, yet it is poorly ...
Charles W. Carrigan, Samuel B. Mukasa, Ivan Haydoutov, Kristina Kolcheva   +3 more
openaire   +2 more sources

Reply to comment on “Geochronology and geochemistry of rhyolites from Hormuz Island, southern Iran: A new Cadomian arc magmatism in the Hormuz Formation” by Atapour, H. and Aftabi, A

Lithos, 2017
Jamshid Hassanzadeh, Kevin D Mckeegan, Mahboobeh Jamshidibadr   +2 more
exaly   +2 more sources

Cadomian volcanosedimentary complexes across the Ediacaran–Cambrian transition of the Eastern Pyrenees, southwestern Europe

International journal of earth sciences, 2018
International audienceThe volcanism hosted by the Ediacaran–Terreneuvian Canaveilles Group of the Eastern Pyrenees displays two distinct geochemical affinities: (1) metabasites of the Nyer and Olette formations reflect the emplacement of a tholeiitic ...
M. Padel, J. Álvaro, J. Casas, S. Clausen, M. Poujol, T. Sánchez-García   +5 more
semanticscholar   +2 more sources

Composition of Pancarli Magmatic Ni-Cu±(PGE) Sulfide Deposit in the Cadomian-Avalonian Belt, Eastern Turkey

Journal of Earth Science, 2020
Pancarli Ni-Cu±(PGE) sulfide deposit occurs in the Neoproterozoic basement complex of the Bitlis massif, which is one of the Andean-type active continental margin fragments with arc-type assemblages represented by the Cadomian orogenic belt. Pancarli sulfides are associated with quartzo-feldspathic gneisses (country rock) and mafic intrusions (host ...
Esra Yildirim, Nail Yildirim, Cahit Dönmez, Kurtuluş Günay, Taner Korkmaz, Mustafa Akyildiz, Burcu Gören   +6 more
openaire   +1 more source