Results 101 to 110 of about 2,562 (192)

P-T conditions of Pan-African orogeny in southeastern Nigeria [PDF]

open access: yes, 2008
Different rock types from the area northeast of Obudu, southeastern Nigeria were investigated in order to place constraints on their metamorphic conditions.
Ekwueme, Barth N.   +3 more
core   +1 more source

Age of younger tonalitic magmatism and granulitic metamorphism in the South Indian transition zone (Krishnagiri area); comparison with older Peninsular gneisses from the Gorur-Hassan area [PDF]

open access: yes, 1993
A major episode of continental crust formation, associated with granulite facies metamorphism, occurred at 2.55-2.51 Ga and was related to accretional processes of juvenile crust. Dating of tonalitic-trondhjemitic, granitic gneisses and charnockites from
Jayananda, M.   +2 more
core   +1 more source

Creep cavitation bands control porosity and fluid flow in lower crustal shear zones [PDF]

open access: yes, 2015
Shear zones channelize fluid flow in Earth’s crust. However, little is known about deep crustal fluid migration and how fluids are channelized and distributed in a deforming lower crustal shear zone.
Fusseis, F   +3 more
core   +2 more sources

Discovery of active off-axis hydrothermal vents at 9° 54'N East Pacific Rise. [PDF]

open access: yesProc Natl Acad Sci U S A, 2022
McDermott JM   +11 more
europepmc   +1 more source

A Clockwise P-T Path from the Variscan Basement of the Tisza Unit, Pannonian Basin, Hungary [PDF]

open access: yes, 1999
The polymetamorphic basement of the Tisza Unit forms a detached fragment of the Variscan European foreland of the Neotethyan realm. A clockwise evolution path of a gneiss-amphibolite complex of the Tisza Unit was reconstructed, investigating the ...
G. Nagy, P. Arkai, P. Horvath
core   +1 more source

Geothermobarometry of the Dudatoli-Almora Crystallines, Garhwal, Kumaun Lesser Himalaya

open access: yesHimalayan Journal of Sciences, 2008
The Garhwal and Kumaun regions of the Himalaya in Uttaranchal State of India are critical areas for studying the typical characteristics of the Himalayan fold-and-thrust belt, in contrast to the areas in close proximity of the northeast and northwest Himalayan syntaxes, where complications arise due to strike-slip faulting.
openaire   +2 more sources

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