Results 11 to 20 of about 305,652 (296)
Classification scheme for surface textures of gold nuggets from Finnish Lapland [PDF]
Bulletin of the Geological Society of Finland, 1996 A study was made of the surface textures of about 100 gold nuggets (diameter 2-56 mm) sluiced and panned in the Lemmenjoki, Ivalojoki and Tankavaara areas of northern Finland.
K.A. Kinnunen
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Method for Revealing Placer Gold Source
Горные науки и технологии, 2019 Material characteristics of placer gold and geological and geomorphological features of placercontaining watercourses allow revealing the type of source that formed the placer.
O. V. Vladimirtseva
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Transition of plant resins from the biosphere to the lithosphere
Geo&Bio, 2020 In the article the authors consider in detail the process of transition of plant resins from the biosphere to the lithosphere, characterize the conditions and paleogeographic situation of such transition, the formation of deposits of resin minerals and ...
Viktor M. Matsui, Uliana Z. Naumenko
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Status of development orientations for mining titanium placers in Vietnam
Горные науки и технологии, 2016 Vietnam has potential reserves of titanium placers, located mainly along the coast of the Middle spreading across provinces from Thanh Hoa to Ba Ria – Vung Tau.
Xuan Nam Bui , Si Giao Ho
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Georesursy, 2019 Over tens of years of mining and processing of ores and placers of gold in the world a huge amount of wastes originated in the form of spoil heaps and tailing dumps, in which the content of valuable components allow them to be considered a real ...
I.V. Kuznetsova +2 more
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Vestnik Permskogo Universiteta: Seriâ Geologiâ, 2019 In the process of technogenesis during placers mining, rocks and minerals extracted from the bowels change their composition and properties, adapting to new environmental conditions. Release, dissolution, transfer, regeneration and reduction (coarsening)
A. V. Naumov, O. B. Naumova
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Technogenic placers of the Fadeevsky node (Primorye, Russia) as sources of precious metals [PDF]
BIO Web of ConferencesGeneralization of the obtained materials leads to the conclusion that a significant amount of useful components has been accumulated in the man-made placers of Primorye (south of the Russian Far East), at the same time they pose a considerable threat to ...
Molchanov Vladimir
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Population Ecology, EarlyView.Bear management changes management actions according to the horizontal axis of the population size and the vertical axis of the number of nuisance bears. Aiming for the target population size of Ntar, Actions I and II protect the bears, and Action IV reduces the population.
Hiroyuki Matsuda +5 more
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FEBS Letters, EarlyView.Exposure to common noxious agents (1), including allergens, pollutants, and micro‐nanoplastics, can cause epithelial barrier damage (2) in our body's protective linings. This may trigger an immune response to our microbiome (3). The epithelial barrier theory explains how this process can lead to chronic noncommunicable diseases (4) affecting organs ...
Can Zeyneloglu +17 more
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