Results 21 to 30 of about 326,224 (305)

Characteristics of native gold at Kosumnerskoe placer gold deposit (the Nether-Polar Urals)

open access: yesИзвестия высших учебных заведений: Геология и разведка, 2018
The paper presents the results of a study of heavy mineral concentrates of Kosumnerskoe gold deposit as well as the native gold from them. This gold deposit includes two gravel deposits.
M. A. Boguslavskiy, S. O. Khudyakov
doaj   +1 more source

Mineralogical Factors Affecting Beneficiation-Metallurgy of a Gold Deposit in Africa

open access: yesKuangchan zonghe liyong, 2023
This is an essay in the field of process mineralogy. Systematic process mineralogy has been done in this study, focusing on a gold deposit in Africa, using automatic mineral analysis system (i.e. AMICS, MLA) combined with optical microscopy.
Lei Li   +4 more
doaj   +1 more source

Some Key Features and Possible Origin of the Metamorphic Rock-Hosted Gold Mineralization in Buru Island, Indonesia [PDF]

open access: yes, 2014
DOI: 10.17014/ijog.v1i1.172This paper discusses characteristics of some key features of the primary Buru gold deposit as a tool for a better understanding of the deposit genesis.
Ernowo, E. (Ernowo)   +7 more
core   +1 more source

Migration of latent fingermarks on non-porous surfaces:observation technique and nanoscale variations [PDF]

open access: yes, 2017
Latent fingermark morphology was examined over a period of approximately two months. Variation in topography was observed with atomic force microscopy and the expansion of the fingermark occurred in the form of the development of an intermediate area ...
Jones, Benjamin J.   +2 more
core   +3 more sources

FEATURES OF MORPHOLOGY AND CHEMICAL COMPOSITION OF NATIVE GOLD FROM THE MURTYKTY DEPOSIT, SOUTH URALS [PDF]

open access: yesМинералогия, 2021
The morphology and chemical composition of native gold from the Murtykty deposit (South Urals) are discussed in the paper. Native gold is subdivided into five types: 1) inclusions in sulfides, 2) grains in fractures and interstices of pyrite and other ...
N.S. Chukhareva   +5 more
doaj   +1 more source

Multistage gold deposition in the Archaean Maria Lázara gold deposit (Goiás, Brazil)

open access: yesMineralium Deposita, 1994
The Maria Lazara gold deposit in the Archaean Guarinos greenstone belt, central Brazil, consists of quartz-carbonate veins formed in a ductile shear zone. Study of the sulphides and gold-bearing quartz-carbonate veins and veinlets of the potassic hydrothermal alteration zone reveals two stages of ore paragenesis.
Michel, D.   +3 more
openaire   +2 more sources

Formation and evolution stages of gold rich Barika massive sulfide deposit, east of Sardasht, northern Sanandaj-Sirjan zone: based on structural, textural and fluid inclusion studies

open access: yesJournal of Economic Geology, 2010
Barika gold (and silver) rich massive sulfide deposit is located 18 km east of Sardasht, north western part of Sanandaj-Sirjan metamorphic zone. Rock units outcropped in this area are Cretaceous metamorphosed volcano-sedimentary rocks in green schist ...
Hossein Ali Tajeddin   +3 more
doaj   +1 more source

The structural history and mineralization controls of the world-class Geita Hill gold deposit, Geita Greenstone Belt, Tanzania [PDF]

open access: yes, 2016
The Geita Hill gold deposit is located in the Archean Geita Greenstone Belt and is one of the largest gold deposits in East Africa. The Geita Greenstone Belt experienced a complex deformation and intrusive history that is well illustrated and preserved ...
Blenkinsop, Thomas   +5 more
core   +1 more source

Pengaruh Bunga Deposito, Kurs Mata Uang, dan Harga Emas terhadap Indeks Harga Saham Gabungan (Ihsg) [PDF]

open access: yes, 2002
Article explores the effects of rate, rupiah, and US dollar kurs, and gold price to the IHSG by using a linier double regression model. It is concluded that deposit rate, rupiah and US dollar have a significant negatif effect to IHSG. Those two variables
Irianto, G. (Guntur)
core   +2 more sources

Occurrence Characteristics of Gold and the Typomorphic Characteristics of Pyrite in the Yizhuxiang Gold Deposit of the Daduhe Metallogenic Belt

open access: yesKuangchan zonghe liyong
[Objective] Orogenic gold deposit is widely developed in the Daduhe gold metallogenic belt. The Yizhuxiang gold deposit is one of the representative medium-sized deposits in the Daduhe gold metallogenic belt.
Haijun ZHANG   +6 more
doaj   +1 more source

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