Results 1 to 10 of about 7,378 (260)
Research progress and prospects of coal petrology and coal quality in China
International Journal of Coal Science and Technology, 2020 Clean utilization of coal depends on the quality of raw coal, which depends on the coal-forming parent materials (petrology and chemical composition of coal), the multiple media of the coal-forming environment, and some epigenetic conditions, such as ...
Yuegang Tang +2 more
exaly +2 more sources
The Relationship between the Slope Hill and Bedrock with Some Soil Properties [PDF]
مجله آب و خاک, 2023 Introduction Changes in soil properties depend on factors such as climate, topography, landscape features, altitude, parent material, and vegetation. The quantity and quality of soils obtained from different rocks (igneous, sedimentary and metamorphic ...
M. Jafarian, A. Golkarian, H. Emami
doaj +1 more source
Mineral chemistry and geothermobarometry of gabbroic dykes of the Garmab Ophiolite sequence (Northeast of Kamyaran) [PDF]
پترولوژی, 2018 The Garmab ophiolite complex, a part of the Ophiolite-Radiolithic zone of Kermanshah, is located in the northeast of Kamyaran. In view of the Iranian geo-structural zones, this complex is situated between the Sanandaj-Sirjan Zone and the Zagros thrust ...
shahryar Mahmoudi +2 more
doaj +1 more source
Journal of Economic Geology, 2022 Introduction Subduction-related magmas are characterized by enrichment of large ion lithophile elements (LILEs), light rare earth elements (LREEs) and depletion in high field strength elements (HFSEs) (Harangi et al., 2007). These geochemical signatures
Paniz Shadman, Ghodrat Torabi
doaj +1 more source
Petrology and P-T condition of white mica-chlorite schists from Vlasina series - Surdulica, SE Serbia [PDF]
Geološki Anali Balkanskoga Poluostrva, 2002 This paper reports structural, textural, petrological and metamorphic data from Vlasina Series of greenschists rocks (as part of the Upper Complex of the Serbo-Macedonian Massif) within which group of white mica-chlorite schist are extensively developed.
Vasković Nada J.
doaj +1 more source
Geochemistry, Geophysics, Geosystems, 2022 Magnetotelluric (MT) data image the bulk resistivity of the subsurface which can be used to infer magma reservoir conditions beneath volcanoes. The bulk resistivity of magma depends primarily on the melt volume fraction, temperature, and water content ...
Darcy Cordell +3 more
doaj +1 more source
Frontiers in Earth Science, 2022 Unlike their silicic counterparts, mafic eruptions are known for being on the low-end of the explosivity spectrum with eruption styles commonly ranging from effusive to Hawaiian fire fountaining.
Olivier Bernard +10 more
doaj +1 more source
Магнитные и плотностные характеристики магматических пород в районе УАС Академик Вернадский
Український антарктичний журнал, 2020 В результате исследований магнитных и плотностных свойств более чем 500 образцов мезозойских и палеоценовых интрузивных и вулканогенных пород, отобранных в западной части Антарктического полуострова (район станции Академик Вернадский), получена новая
V. Shpyra +6 more
doaj +1 more source
Petrophysical and mechanical properties of the Struganik limestone (Vardar zone, Western Serbia) [PDF]
Geološki Anali Balkanskoga Poluostrva, 2011 The Struganik limestone has been increasingly popular in recent years for interior and exterior building applications, due to easy workability, low cost and multi purpose suitability.
Gajić Violeta +3 more
doaj +1 more source
Improving crystallization and eruption age estimation using U-Th disequilibrium dating of young volcanic zircon [PDF]
GeochronologyQuantifying timescales and establishing robust eruption chronologies is critical for understanding the evolution and hazards of volcanic systems. U-Th disequilibrium dating on zircon is especially valuable for young and active systems (< 300 ka ...
Z. Moser +6 more
doaj +1 more source