Results 71 to 80 of about 141,133 (203)

THE PREVALENCE OF SPIROCHÆTA EURYGYRATA IN EUROPEANS AND NATIVES IN THE GOLD COAST. [PDF]

The Lancet, 1917
n ...
openaire   +1 more source

Major impurity elements in native gold and their association with gold mineralization settings in deposits of Asian folded areas

, 2016
Contents of major impurities (Ag, Cu, and Hg) have been studied in gold from ore deposits of various types: (1) associated with skarns and black shales (Altai–Sayan folded area (ASFA) and North Vietnam), (2) pluton-related porphyry Cu–Mo (ASFA), and (3 ...
I.V. Gas’kov
core   +1 more source

Native gold from volcanic gases at Tolbachik 1975–76 and 2012–13 Fissure Eruptions, Kamchatka

, 2015
Aggregates and euhedral crystals of native gold were found in sublimates formed during New Tolbachik Fissure Eruption in 2012–2013 (NTFE). Gold-bearing sublimate samples were taken from a red-hot (690 °C) degassing fracture in the roof of an active lava ...
Yudovskaya Marina, Chaplygin Ilya, Vergasova Lidiya, Mokhov Andrey   +3 more
core   +1 more source

Recombinant vs native Anisakis haemoglobin (Ani s 13): Its appraisal as a new gold standard for the diagnosis of allergy

, 2017
11 p.-8 fig.-1 graph. abst.Recombinant allergens are currently the best option for serodiagnosis of human anisakiasis in terms of sensitivity and specificity.
Luque Ortega, Juan Román, Perteguer, María J., Perteguer Prieto, María Jesús, Cuéllar Del Hoyo, María Del Carmen, Daschner, Alvaro, Luque-Ortega, Juan Román, Luis Rivas, Carmen Cuéllar, Núñez-Ramírez, Rafael, Juan González-Fernández, María J. Perteguer, Alvaro Daschner, Gárate, Teresa, Núñez Ramírez, Rafael, Teresa Gárate, González-Fernández, Juan, Campioli, Pamela, Pamela Campioli, González Fernández, Juan, Juan Román Luque-Ortega, Rafael Núñez-Ramírez, Rivas, Luis, Cuéllar, Carmen   +22 more
core   +1 more source

Prospects of the auriferous content of the North-Bureya metallogenic zone in Priamurskaya province

Известия высших учебных заведений: Геология и разведка, 2016
It has been established that the North Bureya metallogenic zone is one of the most productive for the mining and alluvial gold in the Priamurskaya province.
V. A. Stepanov, A. V. Melnikov
doaj   +2 more sources

About micro- and nanoscale gold in the veil of gold-bearing territories (on the example of a mineralization site in the basin of the river Adamikha, Amur region)

Georesursy
The article identifies the problem of the need to take into account micro- (1 mm to 0.12 microns) and nanoscale (<0.12 microns) gold in placers and weathering crusts in order to increase the objectivity of their and eroded ore objects potential ...
I. V. Kuznetsova, A. I. Dementienko
doaj   +1 more source

Nano-Gold and Film-Globular Nanostructures in Samples of Native Gold Deposit Pioneer (Amur Region, Russia)

Georesursy
The study of native gold from several ore zones of the Pioneer field (Amur). In the samples found: nano-gold of various morphology, varying size and composition, as well as complex micro- and nanostructures (film, film layered rhythmic, globular, fine ...
P. P. Safronov, N. V. Moiseenko, I. V. Kuznetsova   +2 more
doaj   +1 more source

Mineralogické a genetické aspekty prítomnosti zlata na epitermálnom ložisku HS v Lahóci (Recsk, Maïarsko) [PDF]

Acta Montanistica Slovaca, 2001
Epitermálne vysokosulfidické (HS) zrudnenie viazané na vrchnoeocénske andezity oblasti Lahóca, je súèasou rudného komplexu pohoria Matra v Maïarsku, pri dedinke Recsk.
Kovács Árpád, Seres-Hartai Éva, Földessy János   +2 more
doaj  

Gold paragenesis and chemistry at Batu Hijau, Indonesia: implications for gold-rich porphyry copper deposits

, 2004
Gold is an important by-product in many porphyry-type deposits but the distribution and chemistry of gold in such systems remains poorly understood.
Baker, T., Arif, J.
core   +1 more source

Liberation of Gold Using Microwave-Nitric Acid Leaching and Separation-Recovery of Native Gold by Hydro-Separation

, 2020
The purpose of this study was to liberate gold from sulfide minerals in a gold concentrate through microwave-nitric acid leaching and to separate the light minerals in an insoluble residue using a hydro-separation process.
Cheon Young Park, Kang Hee Cho, Jong Ju Lee   +2 more
core   +1 more source