Results 1 to 10 of about 1,304 (287)

Grain-size distribution dataset of lagoonal and riverine coastal placer deposits along the southeastern coast of Sri Lanka [PDF]

open access: yesData in Brief
The dataset contains grain size data of placer and non-placer sediments in lagoonal and riverine beaches of southeastern part of Sri Lanka. A total of 124 swash sediment samples were collected from a 70 km long coastline with an interval of 500 m. Placer
Chaturanga Sandaruwan   +3 more
doaj   +2 more sources

Dredging technology at placer gold deposits in the Far North [PDF]

open access: goldJournal of Degraded and Mining Lands Management, 2023
The volumes of world gold mining were reviewed. As a result of the analysis, it was found that the proportion of placer gold is very insignificant. This is due to the fact that the most easily accessible reserves are substantially depleted, and the ...
Ravil Z Nafikov   +3 more
doaj   +2 more sources

Analysis of Grain Morphology, Mineral Composition, and Ore Grade on Gold Placer Deposits in Bantimurung, Pangkep Regency, South Sulawesi, Indonesia

open access: diamondJGEET: Journal of Geoscience, Engineering, Environment and Technology, 2022
The information through social media shows that there is quite an intense placer mining activity by local residents in the Bantimurung area, Tondong Tallasa District, Pangkep Regency.
Ulva Ria Irfan   +2 more
doaj   +3 more sources

Geology and formation of titaniferous placer deposits in Upper Jogaz Valley area, Fanuj, Sistan and Baluchestan province, Iran

open access: greenJournal of Economic Geology, 2015
Introduction The Fanuj titaniferous placer deposits are located 35 km northwest of the Fanuj, Sistan and Baluchestan province (1) . The studied area comprises a (2) small part of the late Cretaceous Fanuj-Maskutan (Rameshk) ophiolite complex (Arshadi ...
Seyed Javad Moghaddasi, Javad Yazdi
doaj   +1 more source

GEOCHEMICAL AND MAGNETIC CHARACTERISTICS OF PLACER GOLD DEPOSITS FROM CENTRAL KALIMANTAN, INDONESIA

open access: yesRudarsko-geološko-naftni Zbornik, 2023
Massive tailings have resulted from the extensive use of placer deposits in Central Kalimantan, Indonesia, by artisanal and small-scale gold mining (ASGM) activities. Recently, the placer deposits and their tailings have been exploited for heavy minerals.
Gusfrimanuel Nahan   +3 more
doaj   +1 more source

Recovery of total heavy minerals using gravity concentrators on lean and off grade beach sands [PDF]

open access: yesJournal of Mining and Metallurgy. Section A: Mining, 2023
In the present investigation, an attempt is made to synergize the effects of textural, physical and chemical characteristics of placer deposits. These deposits are associated with lean and off-grade placer heavy minerals, which typically exhibit ...
Singh D., Mishra B., Bhima Rao R.
doaj   +1 more source

Impacts of Open Placer Gold Mining on Aquatic Communities in Rivers of the Khentii Mountains, North-East Mongolia [PDF]

open access: yesMongolian Journal of Biological Sciences, 2010
Since the political change and due to high market prices for gold the mining sector has consid- erably grown in Mongolia and has become one of the most important economical sectors.
Daniel A. Krätz   +5 more
doaj   +1 more source

Ground penetrating radar investigations of the geological structure of loose sediments at solid mineral deposits [PDF]

open access: yesE3S Web of Conferences, 2020
For effective commercial development of deposits, an increase in the information content of operational exploration is required. In recent years, the range of methods used to obtain complete and reliable information about the structure and properties of ...
Fedorova Larisa   +4 more
doaj   +1 more source

Reference couple gold deposit — placer as a basis for forecasting of the new gold deposits in Amur river basin

open access: yesИзвестия высших учебных заведений: Геология и разведка, 2019
About 1400 placers and several dozens of ore gold deposits are known in the Amur gold-bearing province. Placers are to a large degree worked out, so the future of the province is seen to be in the discovery of the new gold deposits.
V. A. Stepanov
doaj   +1 more source

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