Results 141 to 150 of about 1,427,908 (343)

Replacement of Ores Recorded by Textures and Chemical Compositions of Sphalerite: An Example From the Furutobe Kuroko Deposit, Akita, Japan

Geological Journal, EarlyView.
Coupled dissolution‐reprecipitation of early formed Cd‐, Fe‐, Ag‐ and Sb‐poor sphalerite through interaction with high‐temperature and high‐sulphur fugacity Cu‐rich fluids, responsible for the formation of the yellow ores, resulted in the formation of Cd‐, Fe‐, Ag‐ and Sb‐rich, heavily chalcopyrite‐diseased sphalerite and enrichment of critical metals ...
Manuel Nopeia, Ryohei Takahashi, Andrea Agangi, Pearlyn Manalo, Hinako Sato   +4 more
wiley   +1 more source

Notable Impact of Paleotectonic Stress on Gold Mineralisation in the West Qinling Orogen

Geological Journal, EarlyView.
By applying fuzzy clustering and multiple inverse methods, we systematically processed the data of vein and fault slip in this ore deposit to reveal the transition of orogenic geological environment and paleotectonic stress field. Our research results show two different stress states: the northwest–southeast extensional stress field and the northeast ...
Hongyan Wang, Aibing Chen, Jian Yang, Yuan Zhang   +3 more
wiley   +1 more source

Root endophytic Phialocephala fortinii and Talaromyces verruculosus enhance growth and affect heavy metal tolerance of Miscanthus sinensis Andersson growing naturally at a mine site

Journal of Plant Interactions
Miscanthus sinensis Andersson naturally grows at mining sites and accumulates heavy metals, suggesting heavy metal tolerance. This study aimed to elucidate the heavy metal tolerance mechanisms of M.
Xingyan Lu, Keiko Yamaji, Toshikatsu Haruma, Kohei Doyama, Hayato Masuya   +4 more
doaj   +1 more source

Technical guidance on normal levels of contaminants in Welsh soil : Cadmium (Cd) : January 2013 [PDF]

, 2013
Cadmium (Cd) is a metallic element naturally occurring in trace amounts at the Earth’s surface. It is toxic to humans, animals and plants, and known to be a human carcinogen.

core  

Geochemical and Geological Investigation of Skarn‐Type Pb–Zn Mineralization in Hastanetepe (Balya‐Balıkesir, Türkiye): An Approach Based on Fluid Inclusions, Sulphur Isotopes and Geochemical Data

Geological Journal, EarlyView.
Integrated petrographic, mineralogical and geochemical data from the Hastanetepe Pb–Zn deposit (Balya, Türkiye) reveal multi‐stage hydrothermal alteration and a magmatic sulphur source. Fluid inclusion and sulphur isotope results indicate a complex fluid evolution responsible for skarn‐type Pb–Zn mineralization along limestone–dacite contacts ...
Esra Ünal‐Çakır
wiley   +1 more source

The detection and tracking of mine-water pollution from abandoned mines using electrical tomography [PDF]

, 2009
Increasing emphasis is being placed on the environmental and societal impact of mining, particularly in the EU, where the environmental impacts of abandoned mine sites (spoil heaps and tailings) are now subject to the legally binding Water Framework and ...
Chambers, J.E., Klinck, B.A., Kuras, O., Meldrum, P.I., Ogilvy, R.D., Palumbo-Roe, B., Wilkinson, P.B.   +6 more
core  

Recent advances in organic broad‐spectrum photodetection materials and devices

InfoMat, EarlyView.
Graphical Abstract This review systematically outlines the evolution of organic photodetectors from fullerene‐based to advanced non‐fullerene acceptors, highlighting how molecular engineering (e.g., D–A, quinoidal, and A‐D‐A′‐D‐A architectures) extends spectral response into the short‐wave infrared region.
Yilin Zhao, Shijia Tan, Deyang Ji, Wenping Hu   +3 more
wiley   +1 more source

Assessment of Gold‐Mediated Male Reproductive Dysfunction in Male WISTAR Rats Through Sperm Analysis and Testosterone Measurement

Journal of Applied Toxicology, EarlyView.
ABSTRACT Gold has been used for centuries in both ornamental and medicinal contexts. More recently, gold compounds, containing ions or nanoparticles, have attracted attention for their anti‐inflammatory, anticancer, and diagnostic applications. Therefore, concerns about systemic toxicity and biodistribution have prompted investigations into the ...
Samira Maghraoui, Adrian Florea, Leila Tekaya   +2 more
wiley   +1 more source

Wide Riparian Zones Inhibited Trace Element Loss in Mining Wastelands by Reducing Surface Runoff and Trace Elements in Sediment

Toxics
The diffusion of trace elements in mining wastelands has attracted widespread attention in recent years. Vegetation restoration is an effective measure for controlling the surface migration of trace elements.
Jiangdi Deng, Zuran Li, Bo Li, Cui Xu, Lei Wang, Yuan Li   +5 more
doaj   +1 more source

Annual report of research progress [PDF]

, 1964
The mineral and human resources of a state and/or nation are to a large extent the basis of a strong and flourishing economy. In Alaska this is currently illustrated by the activities of the oil and gas industry and the resulting large sums of money that
MIRL
core   +3 more sources