Results 91 to 100 of about 7,510 (223)

Noril'sk/Siberian plateau basalts and Bahama hot spot: Impact triggered? [PDF]

Twenty-eight years after one of us argued that Sudbury was an astrobleme, this interpretation has only recently attained wide acceptance; not so for the view that the Sudbury Cu/Ni sulfide ores are cosmogenic.
Deitz, R. S., Mchone, J. F.
core   +1 more source

Ore-forming Сonditions of the Blagodat Gold Deposit in the Riphean Metamorphic Rocks of the Yenisey Ridge According to Geochemical and Isotopic Data [PDF]

, 2009
Neodymium and strontium isotopic composition and rare earth elements (REE) distribution pattern have been determined in whole rocks and minerals were separated from host metamorphic rocks and disseminated sulfide ores of the Blagodat gold deposit ...
Gertner, Igor F., Kolmakov, Yuri V., Krasnova, Tatyana S., Leontyev, Sergey I, Poleva, Tatyana V., Sazonov, Anatoly M., Tishin, Platon A., Zvyagina, Elena A.   +7 more
core  

Biography of César Rubio y Muñoz (Cáceres, 1858-Madrid, 1931), President of the 14th International Geological Congress (Madrid, Spain, 1926) [PDF]

, 2009
The mining engineer César Rubio, before joining the Geological Survey of Spain, worked in numerous Spanish mining districts, in which he introduced important innovations. His main contributions being the director of the Geological Survey of Spain was the
Jordá Bordehore, Luis, Ortiz Menéndez, José Eugenio, Puche Riart, Octavio   +2 more
core   +1 more source

Síntesis geocronológica del magmatismo, metamorfismo y metalogenia de Costa Rica, América Central Geochronological synthesis of magmatism, metamorphism and metallogeny of Costa Rica, Central America

Revista Geológica de América Central, 2012
Una recopilación completa de 651 determinaciones de edades radiométricas desde 1968 (415 dataciones 40Ar/39Ar, 211 K/Ar, 5 U/Th, 4 Rb/Sr, 2 U/Pb y de fisión termocronología con zircón), tanto aquellas publicadas desde 1968 como muchas nuevas ...
Guillermo E. Alvarado, Phillipe B. Gans
doaj  

Выделение опасных геологических процессов объектов производственного назначения месторождения "Нежданинское" [PDF]

, 2016
Актуальность работы обусловлена необходимостью выделения опасных геологических процессов при планировании объектов производственного назначения (золотоизвлекательная фабрика и хвостохранилище) месторождения Нежданинское.
Сясько, Андрей Александрович, Фёдоров, Андрей Андреевич   +1 more
core  

Genesis of saltpeter deposits in karst caves in Southwest China

Journal of Asian Earth Sciences: X
Saltpeter deposits preserved in karst caves are large and widely distributed in southwest China. These deposits historically served as the principal source of saltpeter for traditional gunpowder production in pre-industrial China.
Pengcheng Sun, Changfu Fan, Yan Qin, Yanhe Li, Feng Liu, Bin Hu   +5 more
doaj   +1 more source

The genesis of BIF in the Transvaal Supergroup, South Africa. [PDF]

, 1991
Altermann, Wladyslaw, Hälbich, Ingo W., Leroy, J. L., Pagel, Maurice   +3 more
core   +1 more source

Deep-Towed Array Geometry Inversion Based on an Improved Particle Swarm Optimization Algorithm

Journal of Marine Science and Engineering
When marine deep-towed multichannel seismic data are processed, the description of the receiving array geometry significantly impacts the quality of the imaging profile. Therefore, achieving a highly precise description of the receiving array geometry is
Xiaohu Luo, Kai Liu, Yanliang Pei, Chenguang Liu, Xishuang Li, Yibao Xiao   +5 more
doaj   +1 more source

Exploration of the Formation Mechanism of Underground Brine Based on Hydrodynamic Environment Analysis Using Grain-Size Data of One Drilling Core

Journal of Marine Science and Engineering
The Laizhou Bay area in China harbors a significant amount of Quaternary brine resources, which have been gradually depleted due to intensive long-term exploitation.
Qiao Su, Ying Yu, Mingjun Chen, Tengfei Fu, Wenzhe Lyu, Wenquan Liu   +5 more
doaj   +1 more source

Weakening of the South Asian summer monsoon linked to interhemispheric ice-sheet growth since 12 Ma. [PDF]

Nat Commun, 2023
Yao Z, Shi X, Guo Z, Li X, Nath BN, Betzler C, Zhang H, Lindhorst S, Miriyala P.   +8 more
europepmc   +1 more source