Results 31 to 40 of about 146,299 (379)
The Holuhraun–Bárdarbunga (Iceland) eruption lasted approximately 6 months. Magma propagated laterally through a 40 km long dyke, while Bárdarbunga caldera was collapsing.
Luca Caricchi+6 more
doaj +1 more source
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
MAGMATIZM AND EPITHERMAL Ag-Au ORE MINERALIZATION OF KRASNOYARSK GOLD ORE FIELD OF GORNY ALTAI
The relevance of the study is caused by the need of researching petrology, geochemistry subvolcanic rocks and epithermal Ag-Au ore mineralization of Krasnoyarsk ore field of Gorny Altai.
Anatoliу I. Gusev+1 more
doaj +1 more source
Laboratory leaching tests to investigate mobilisation of metals within engineered geothermal reservoirs [PDF]
Combining geothermal energy utilization with the extraction of metals in a single interlinked process offers a way to improve the economics of engineered geothermal systems.
Rochelle Christopher+5 more
doaj +1 more source
The early Cycladic settlement at Dhaskalio, Keros: preliminary report of the 2008 excavation season [PDF]
The 2008 excavations on the small island of Dhaskalio opposite Dhaskalio Kavos on the Cycladic island of Keros are reviewed. An account is given of the survey, recording many walls of the early Bronze Age, and of the excavations, continued from the 2007 ...
Brodie, N.+3 more
core +1 more source
Petrology and P-T condition of white mica-chlorite schists from Vlasina series - Surdulica, SE Serbia [PDF]
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
Experimental constraints on amphibole stability in primitive alkaline and calc-alkaline magmas [PDF]
Equilibrium crystallization experiments were carried out on two primitive basaltic rocks (APR16: Na2O+K2O=4.40 wt%; CM42: Na2O+K2O=2.59 wt%) with the aim to investigate the amphibole stability in the differentiation processes at deep crustal level, of
Bonechi, Barbara+4 more
core +1 more source
Study area is located in district of Bajestan and Ferdows cities, NE of Iran. Structurally, this area is part of Lut block. The oldest exposed rocks, to the north of intrusive rocks and in Eastern Bajestan, are meta-chert, slate, quartzite, thin-bedded ...
Maliheh Ghoorchi Rooki+2 more
doaj +1 more source