Results 111 to 120 of about 8,065 (232)

Cooling and exhumation history of lower and upper crust Late-Hercynian granitoids from Calabria [PDF]

, 2000
The thermal and exhumation history of late Hercynian granitoids from Calabria (Sila and Serre massifs) has been studied using thermobarometry and radiometric age determinations.
DEL MORO A., PROSSER, Giacomo, CAGGIANELLI A.   +2 more
core   +1 more source

K-Ar ages of the La Alberca-Béjar granitoids (Spanish Central System) [PDF]

, 1996
Late-kynematic granitoids of the Central Iberian Zone (Iberian Variscan Massif) outecrop in the La Alberca-Bejar region (Salamanca, Spain). The granitoids postdate the regional second variscan deformation phase.
Álvarez, F., Yenes Ortega, M., Gutiérrez Alonso, Gabriel   +2 more
core  

KIBARAN GRANITOID MAGMATISM IN THE REPUBLIC OF BURUNDI: GEOLOGY, COMPOSITIONAL FEATURES, TIME AND GEODYNAMIC CONDITIONS OF OCCURRENCE

Геодинамика и тектонофизика
The paper examines the specific granitoid magmatism of the northern sector of the Kibaran orogenic belt in the general context of geodynamic typification of granitoids.
V. M. Nenakhov, B. Barihuta, V. V. Ilin
doaj   +1 more source

Geochemistry of granitoids of the Lalezar area (Kerman, Iran) [PDF]

, 2014
The Lalezar granitoids crop out within the Urumiyeh-Dokhtar Volcanic Belt (U-DVB) which is the largest volcanic belt in Central Iran. These granitoids intrude Eocene volcano-sedimentary rocks and range from gabbrodiorites to granites, with dominance of ...
Silva, A., Niktabar, M., Moradian, A., Ahmadipour, H., Santos, J. F.   +4 more
core  

From migmatites to granitoids

Melting processes in the continental crust are responsible for crust formation and recycling, and play an important role in heat transport. A better understanding of these processes can shed light on crustal differentiation and continental growth throughout the Earth’s history. This thesis focuses on three major key aspects of the link between the melt
openaire   +1 more source

THE AGE OF EARLY COLLISIONAL GRANITOIDS OF WESTERN SANGILEN (SE TUVA): IMPLICATIONS FOR ESTIMATING THE DURATION OF OROGENY AT THE MARGIN OF THE TUVA-MONGOLIAN MASSIF

Геодинамика и тектонофизика
The first U-Pb isotope-geochronological data were obtained on the age of early collisional granitoids of the Matut massif (Western Sangilen, SE Tuva).
D. V. Semenova, V. G. Vladimirov, I. V. Karmysheva, V. A. Yakovlev   +3 more
doaj   +1 more source

STRUCTURAL EVOLUTION OF THE CHEKA PLUTON (SOUTHERN URALS): PETROMAGNETIC STUDIES AND FRACTURE ANALYSIS

Геодинамика и тектонофизика
The Cheka pluton, located in the Magnitogorsk megazone of the Southern Urals and composed of the alkaline granitoids, is meridionally elongated (1–2)×6.5 km. The fracture and anisotropy of magnetic susceptibility analysis was made on the Cheka pluton for
P. A. Shestakov, A. Yu. Kazansky, A. V. Tevelev, N. V. Pravikova, E. V. Koptev, E. A. Volodina, A. A. Borisenko, I. A. Kosheleva   +7 more
doaj   +1 more source

Eocene Kashmar granitoids (NE Iran): petrogenetic constraints from U-Pb zircon geochronology and isotope geochemistry [PDF]

Kashmar granitoids outcrop for ~100 km along the south flank of the Sabzevar ophiolite (NE Iran) and consist of granodiorite and monzogranite along with subordinate quartz monzonite, syenogranite and aplitic dikes.
Stern, R. J., Ling, X.-X., Li, Q.-L., Ghorbani, G., Santos, J. F., Shafaii Moghadam, H., Li, X.-H.   +6 more
core   +1 more source

Cooling and exhumation history of deep-seated and shallow level, late Hercynian granitoids from Calabria [PDF]

, 2000
The thermal and exhumation history of late Hercynian granitoids from Calabria (Sila and Serre massifs) has been studied using thermobarometry and radiometric age determinations. The uplift and erosion which followed contractional tectonics of
DEL MORO A., CAGGIANELLI, Alfredo, PROSSER G.   +2 more
core  

Petrogenesis and tectonic implications of Early Paleozoic granitoids in the Baoshan deposit, Guangxi, South China

Frontiers in Earth Science
The Early Paleozoic tectonic setting and geological processes of the South China Block have long been a subject of debate. This study presented zircon U-Pb geochronology and Hf isotope, and whole-rock geochemical analyses for the Early Paleozoic ...
Puliang Lyu, Fang Liu, Ling Chen, Zhiguang Song, Wenen Ma, Yanlin Hou, Yanlin Hou   +6 more
doaj   +1 more source