Results 111 to 120 of about 7,254 (226)

Inversion tectonics, interference pattern and extensional fault-related folding in the Eastern Anti-Atlas, Morocco [PDF]

, 2018
The Anti-Atlas belt of Morocco is a Variscan chain which appears as a huge anticlinorium oriented NE-SW. In the internal part of this structure, the actual relief shows the basement cropping out as inliers (Piqué 2001) or boutonnières. The cover, a thick
Burkhard, Martin, Robert-Charrue, Charles   +1 more
core  

Timing of Palaeozoic magmatism in the Maggia and Sambuco nappes and paleogeographic implications (Central Lepontine Alps) [PDF]

, 2018
Magmatic rocks from the pre-Mesozoic basements of the Sambuco and Maggia nappes have been dated by U-Pb zircon ages with the LA-ICPMS technique. Several magmatic events have been identified in the Sambuco nappe.
Bussien, Denise, Bussy, François, Magna, Tomas, Masson, Henri   +3 more
core  

40Ar/39Ar laserprobe dating of mylonitic fabrics in a polyorogenic terrane of NW Iberia [PDF]

, 2006
The tectonothermal evolution of a polyorogenic terrane in the Variscan belt of NW Spain has been constrained by 40Ar/39Ar laserprobe incremental heating experiments on mylonitic fabrics developed in major structures.
Abati Gómez, Jacobo, Arenas Martín, Ricardo, Castiñeiras García, Pedro, Díaz García, Florentino, Gómez Barreiro, Juan, Martínez Catalán, José R., Wijbrans, Jan R.   +6 more
core  

New U-Pb SHRIMP zircon ages for pre-variscan orthogneisses from Portugal and their bearing on the evolution of the Ossa-Morena tectonic zone

Anais da Academia Brasileira de Ciências, 2006
New SHRIMP U-Pb zircon ages for the Portalegre and Alcáçovas orthogneisses document a complex pre- Variscan history for the Iberian basement in Portugal. The available geochemical and geochronological data for the Alcáçovas orthogneiss (ca.
Cordani Umberto G., Nutman Allen P., Andrade Antonio S., Santos José F., Azevedo Maria do Rosário, Mendes Maria Helena, Pinto Manuel S.   +6 more
doaj  

Geology and tectonic setting of the Fornovolasco area, Alpi Apuane (Tuscany, Italy)

Journal of Maps, 2018
The study area is located in the Alpi Apuane (Tuscany, Italy), and extends between N 44°0′49.883″–E 10°20′23.467″ (SW corner) and N 44°2′53.403″–E 10°23′19.175″ (NE corner).
Diego Pieruccioni, Yuri Galanti, Cristian Biagioni, Giancarlo Molli   +3 more
doaj   +1 more source

Illite crystallinity patterns in the Anti-Atlas of Morocco [PDF]

, 2018
The low-grade metamorphism of the sedimentary cover of the Moroccan Anti-Atlas is investigated using Illite crystallinity (IC) method. More than 200 samples from three key areas (southwestern, central and eastern Anti-Atlas) have been taken from a ...
Adatte, Thierry, Burkhard, Martin, Helg, Urs, Negro, François, Ruiz, Geoffrey   +4 more
core  

Geochemistry and Petrogenesis of Permo–Triassic Silicic Volcanic Rocks from the Circum-Rhodope Belt in the Vardar/Axios Zone, Northern Greece: An Example of a Post-Collision Extensional Tectonic Setting in the Tethyan Realm

Geosciences
The western side of the Vertiskos Unit crystalline basement in northern Greece is fringed by a Permo–Triassic low-grade metamorphic volcano-sedimentary complex that belongs to the Circum-Rhodope Belt (CRB), which is an important part of the Vardar/ Axios
Argyro Asvesta
doaj   +1 more source

Structure of an inverted basin from subsurface and field data: the Late Jurassic-Early Cretaceous Maestrat Basin (Iberian Chain)

Geologica Acta, 2016
The Maestrat Basin experienced two main rifting events: Late Permian-Late Triassic and Late Jurassic-Early Cretaceous, and was inverted during the Cenozoic Alpine orogeny.
M. NEBOT, J.J. GUIMERÀ I ROSSO
doaj  

Oppositely-verging thrusting structures in the North Argentine Andes compared with the German Variscides [PDF]

, 1999
Los Andes del Norte argentino y el Varíscico de Alemania, a pesar de sus diferentes edades y situación geológica, se consideran buenos ejemplos de orógenos conve rgentes con cabalgamientos con ve rgencia opuesta.
Drozdzewski, Günter, Mon, R.
core   +1 more source

A 3D geomodel of the deep aquifers in the Orléans area of the southern Paris Basin (France). [PDF]

Sci Data, 2022
Mas P, Calcagno P, Caritg-Monnot S, Beccaletto L, Capar L, Hamm V.   +5 more
europepmc   +1 more source