Results 11 to 20 of about 10,458 (283)
PLACERS OF MAJOR VALLEYS IN THE LENA GOLD-PLACERS REGION
Известия высших учебных заведений: Геология и разведка, 2017 The morphology and inner structure of the placers in the maj or valleys of the Lena gold-bearing area are considered. The morphology of placers in the plan and the distribution of gold within the contours of the valleys are determined by the ...
O. V. Vinogradova
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From placer deposits to technogenic mineral formations: resource and historical perspective (a study of Amur region) [PDF]
E3S Web of Conferences, 2020 Attention to mined gold placers as sources of mineral reserve base replenishment is constantly increasing. We conducted an analysis of the field mining ratio regarding the 170-year period of gold mining history in the region, which is roughly divided ...
Mirzekhanov Gadzhi, Mirzekhanova Zoia
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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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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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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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Geomorphological control of gold distribution and gold particle evolution in glacial and fluvioglacial placers of the Ancocala-Ananea Basin : southeastern Andes of Peru [PDF]
, 1989 Etude sédimentologique et minéralogique des placer d'or d'origine glaciaire ou fluvio-glaciaire du bassin d'Ancocala-Ananea (Andes, Sud du Pérou). L'analyse morphologique et morphométrique des particules d'or permet d'en définir les différents milieux de
Fornari, Michel +2 more
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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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Pediatric Blood &Cancer, EarlyView.ABSTRACT Background Parents of children treated for acute lymphoblastic leukemia (ALL) often experience significant caregiver burden and disruption to their well‐being. While parent quality of life (QoL) during treatment is well characterized, little is known about outcomes during early survivorship.
Sara Dal Pra +3 more
wiley +1 more source
Rapid Response to Trametinib Combined With Chemotherapy for Infant BRAF‐Fused Chiasmatic Glioma
Pediatric Blood &Cancer, EarlyView.ABSTRACT Infants, less than 1 year, with chiasmatic gliomas (ICG) present a major therapeutic challenge due to large tumor size, decreased vision, rapid progression, and poor response to vincristine/carboplatin chemotherapy. The majority have a BRAF fusion, which may respond to downstream MEK inhibitors but response time is slow. There are no safety or
Helen Toledano +7 more
wiley +1 more source
A four stage evolution of the White Channel gravel: Implications for stratigraphy and palaeoclimates [PDF]
, 2014 Although the White Channel gravel (WCG) of the Klondike district, Yukon, contains gold placers which have been exploited for over a century, few sedimentological studies have been undertaken.
Chapman, Robert +3 more
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