Results 91 to 100 of about 148,632 (254)

The pioneer work of Bernard Kübler and Martin Frey in very low-grade metamorphic terranes: paleo-geothermal potential of variation in Kübler-Index/organic matter reflectance correlations. A review [PDF]

open access: yes, 2018
Low-temperature metamorphic petrology occupies the P-T field between sedimentary and metamorphic petrology. Two important pillars of low-temperature metamorphism are coal petrology and clay mineralogy.
Bozkaya, Ömer   +5 more
core  

Igneous rocks of alpine age associated with Keuper material in the Iberian Mountains, near Teruel (Spain)

open access: yesEstudios Geologicos, 1984
Se describen algunos caracteres geológicos, petrográficos y geoquímicos de unas rocas ígneas, que en pequeños afloramientos aparecen asociadas a materiales del Keuper.
V. Sánchez Cela, J. A. García Anquela
doaj   +1 more source

Petrological and PGE Mineralization Study of the Channagiri Mafic-Ultramafic Complex, Shimoga Supracrustal Belt, Karnataka [PDF]

open access: bronze, 2008
S. Balakrishnan   +4 more
openalex   +1 more source

Integration of remote sensing and geochemical analysis of chromite bodies in the Logar Ophiolitic Complex, Southeast Afghanistan

open access: yesKuwait Journal of Science
Chromite, a significant mineral for chromium, is extensively dispersed toward the southeast and east regions of Afghanistan, particularly in Logar Province.
doaj   +1 more source

Two-sided asymmetric subduction; implications for tectonomagmatic and metallogenic evolution of the Lut Block, Eastern Iran [PDF]

open access: yes, 2011
West directed subduction zones show common characteristics, such as low structural elevation, deep trench, steep slab and a conjugate back-arc basin that are opposite to those of the east directed subduction zones.
Arjmandzadeh, R.   +5 more
core   +2 more sources

Petrología cerámica comparativa y análisis composicional de las pinturas por MEB-EDS de estilo Aguada Portezuelo (ca. 600-900 DC) en el valle de Catamarca (Noroeste Argentino)

open access: yesEstudios Atacameños
La cerámica de estilo Aguada Portezuelo del Noroeste Argentino posee un amplio repertorio de técnicas de acabado empleadas principalmente en los tratamientos de superficie y decoración.
Guillermo A. De La Fuente   +3 more
doaj   +1 more source

Report on opportunities and/or techniques for high-caliber experimental research (other) proposals for SSPEX [PDF]

open access: yes
Brief discriptions of the following 13 experiments are included: ultrahigh vacuum petrology facility; artificial comet free flyer; artificial comet (tethered); cosmic dust detector; cosmic dust collector; dust collection using tethered satellites ...
Corso, G.   +8 more
core   +1 more source

The Petrology of the Igneous Rocks [PDF]

open access: bronze, 1914
F. H. Hatch, A. K. Wells, M. K. Wells
openalex   +1 more source

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