Results 11 to 20 of about 23,238 (219)

Ecological and health risk assessments of rare earth elements in soil from gold mining areas in Sudan [PDF]

open access: yesE3S Web of Conferences, 2023
The increasing demand for rare earth elements (REE) has led to increased mining activities, which may result in potential ecological and health risks. Our objective was to evaluate the potential ecological and analyze the health risks associated with REE
Ahmed Minas Elfatih   +6 more
doaj   +1 more source

Distribution of trace elements controlled by sector and growth zonings in zircon from a miaskite pegmatite of the Vishnegorsky massif, the Southern Urals

open access: yesЗаписки Горного института, 2022
Data on the content and distribution of trace and rare-earth elements (SIMS method) in sectors and growth zones of a large zircon crystal from miaskite pegmatites of the Vishnegogorsky massif are presented.
Ekaterina V. Levashova   +3 more
doaj   +1 more source

Concentration and Fractionation of Rare Earth Elements in Soils Surrounding Rare Earth Ore Area

open access: yesYankuang ceshi, 2019
BACKGROUND The study on content and fractionation characteristics of rare earth elements (REE) in soils around different types of rare earth mining areas can provide theoretical support and scientific advice for the control of the polluted environment ...
WANG Xue-feng   +5 more
doaj   +1 more source

Petrogenesis and Geochemistry of REE of Intrusive Rocks, Skarn Zone, and Iron Ore of Shotorsang, Northwest of Neyshabour

open access: yesJournal of Economic Geology, 2023
Shotorsang iron skarn is located in 60 km northwest of Neyshabour (Khorasan Razavi, Iran) in Quchan-Sabzevar magmatic belt. Subvolcanic intrusion rocks have intruded into Cretaceous limestones and created skarnization.
Seyed Ahmad Mazaheri , Mojtaba Heydari
doaj   +1 more source

THORIUM, URANIUM AND RARE EARTH MINERALIZATION IN ROCKS OF THE UGAKHAN GOLD DEPOSIT, BODAIBO ORE REGION [PDF]

open access: yesМинералогия, 2021
The paper reports on the results of studies of ore-bearing rocks of the Ugakhan gold deposit (Bodaybo district): metasandstones, metasiltstones and carbonaceous shales.
E.V. Shepel   +3 more
doaj   +1 more source

Characterisation of suspended and sedimented particulate matter in blue-green infrastructure ponds

open access: yesBlue-Green Systems, 2020
Blue-green infrastructure (BGI) ponds have an important function of alleviating flood risk and provide water quality improvements among other multiple benefits.
V. Krivtsov   +7 more
doaj   +1 more source

ALEXANDROVSKOE GOLD DEPOSIT (EASTERN TRANSBAIKALIA): SOURCES OF ROCK AND ORESUBSTANCE

open access: yesИзвестия Томского политехнического университета: Инжиниринг георесурсов, 2020
The relevance of the study is in the need to expand the mineral resource base of Russia. Eastern Transbaikalia is one of the oldest gold mining regions of the country. Nevertheless, even in such a well-studied region, the issue of search and discovery of
Bair N. Abramov   +4 more
doaj   +1 more source

Determination of the Content of the Rare Earth Elements (REE) in Akashat Phosphate rocks (Paliocene) in [PDF]

open access: yesKirkuk Journal of Science, 2009
The X-ray fluorescence technique meets the requirements of qualitative and quantitative analysis of widely variable major, minor and trace elements including rare earth elements (REE) in geological samples.
Kotayba T. Al-Youzbakey   +1 more
doaj   +1 more source

Prospects for identifying the Mississippi Valley type deposits in the North-East of Russia

open access: yesЛитосфера, 2020
Research subject. The Mississippi Valley type deposits make up about a third of the global balance of lead and zinc reserves, resources and production.
A. L. Galyamov   +4 more
doaj   +1 more source

Selective flotation of phosphorus-bearing ores [PDF]

open access: yesE3S Web of Conferences, 2020
This paper presents the results of the beneficiation of a phosphorus-bearing mineral through selective flotation process. The chemical examination showed that the sample contain a low content of P2O5 12.5 % and significant amounts of rare earth elements (
Elbendari Abdalla   +3 more
doaj   +1 more source

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