2026 September - 106 articles
Hydrothermal alteration assemblages provide valuable information on epithermal mineralization, but superimposed events may obscure their relationships with ore formation. This study characterizes the gangue and alteration architecture of the Pefka-Lo...
A series of tourmalines from Abuloo, Oromia regional state, Ethiopia, was studied to describe their chemical and spectroscopic characteristics. Data from the seven samples were consistent with elbaite. Several specimens contained significant concentr...
The Middle Permian Qipan Formation in the Pishan 1 well, located in the Kekeya structural belt of the southwestern Tarim Basin, has recently delivered high-yield oil and gas production. Deep-buried hydrocarbon accumulations in this area have experien...
Fangshankou turquoise, hosted by the Lower Cambrian phosphorus–vanadium–uranium black-shale ore system of Dunhuang, NW China, has been reported to contain anomalously high Na, Fe and Si, but the mineralogical origin of these anomalies is...
The greenstone belt of the North China Craton (NCC) records the crustal evolution from the Neoarchean to the post-Archean period, offering critical insights into the ancient tectonic background. This study focuses on the late Paleoproterozoic granito...
The timing and nature of the Late Paleozoic tectonic transition along the western northern margin of the North China Craton (NCC) remain debated because arc-related and post-collisional magmatism overlap in the Damao–Siziwangqi region. We prese...
This study investigates 30 core samples of the Lower Triassic Daye Formation shale from Well ZK-01 in the Xiaonan area, Middle Yangtze region. Comprehensive analyses were conducted using organic petrology, X-ray diffraction (XRD), argon ion polishing...
This study presents new data on the Cherdoyak Sn–W deposit in Eastern Kazakhstan. The deposit is spatially associated with the northeastern contact of the Cherdoyak granite intrusion and comprises a stockwork of quartz veins and greisen bodies...
The tectonic evolution of the early Earth remains one of the most debated questions in Earth science. Geological observations and geodynamic modeling have greatly expanded the range of plausible tectonic regimes, including subduction-like processes,...
Bauxite deposits, developed preferably during various greenhouse climate phases in Earth history, offer an excellent potential to understand and reconstruct the effects of climate and tectonics on the formation of lateritic profiles, bauxite formatio...
Sn-polymetallic deposits in the Southern Great Xing’an Range (SGXR) are typically marked by the coexistence of Sn, Cu, Pb, Zn, and Ag, yet the mechanisms controlling their paragenesis and separation remain poorly constrained. The Hujiadian depo...
Rapakivi granites are commonly interpreted as products of interaction between mantle-derived and crustal magmas, yet their origin in collisional orogens remains poorly understood. Here we investigate the petrogenesis and tectonic significance of the...
To reveal the uranium enrichment mechanism in the Daqing Placanticline area, northern Songliao Basin, this study collected a total of 41 samples of three geological types, namely uranium ore, uranium-mineralized sandstone and host rock from the Upper...
The burgeoning global demand for rare earth elements (REEs), driven by rapid technological advancements, has elevated their strategic significance. As a ubiquitous metallic mineral that crystallizes throughout the magmatic and hydrothermal stages, py...
This study proposes a Gaussian Process Regression (GPR) method for estimating the compressive strength of soil mixtures containing bentonite and basalt fibers. GPR is a preferred probabilistic machine learning approach, especially for limited dataset...
Integrated mine–plant optimization should account for multiple geological uncertainties, yet practice typically considers only grade. Lithological domain uncertainty is a distinct source of geometallurgical variability because rock type governs...
Mineral prospectivity mapping of weathering-crust-type ilmenite placer deposits is challenged by the limited number of known mineral occurrences, the lack of reliable barren-site labels, and spatial autocorrelation. This study focuses on the Wuding&n...
Suspended particulate matter (SPM) governs the transport of sediments, nutrients, trace elements, radionuclides, and organic contaminants in water bodies, largely through its mineral fraction, which controls contaminant mobility and bioavailability....
The Emeishan Large Igneous Province (ELIP) contains high-Mg volcanic rocks, evolved basalts, and Fe-Ti-V-oxide-bearing layered intrusions, providing a natural system for investigating the coupled effects of H2O and the redox state on silicate crystal...
Converting waste slurry from underground construction into foamed lightweight soil (FLS) offers a route to waste valorization, but its durability under repeated moisture changes requires evaluation. This study compared FLS prepared with ordinary Port...
The Big Bulk Cu–Au porphyry system is located at the southern end of the Stewart–Iskut mineral district in the Stikine volcanic arc terrane, which hosts numerous Late Triassic to Early Jurassic porphyry Cu–Au and epithermal Au depos...
ANFO (Ammonium Nitrate Fuel Oil) is widely used in the mining sector due to its efficient, cost-effective production process, favorable energetic characteristics, and adaptability to modification. Thermodynamic modeling was carried out to assess the...
Portlandite, Ca(OH)2, is a cornerstone material in cement chemistry, carbonation, and calcium-looping technology. The carbonation and thermal stability of calcium hydroxide have been studied using thermogravimetric (TG) and X-ray diffraction (XRD) an...
This study presents an integrated methodology to incorporate geological uncertainty and geometallurgical variability into ultimate pit optimization for an iron ore deposit in the Quadrilátero Ferrífero, Brazil. The proposed framework in...
Tracing the provenance and understanding the ore-forming processes of coastal zircon–titanium placers are important issues in placer research. The Wenchang area in Hainan Province is one of the important coastal zircon–titanium placer enr...
Complex mineral associations in coal gangue inhibit mineral liberation and downstream utilization. This study employed automated mineralogy to measure the mineral composition, particle size distribution, intergrowth, and liberation for four size frac...
This study introduces a multisource, multiscale approach to delineate structural lineaments and assess mineralization controls in Wadi El-Markh, Central Eastern Desert, Egypt. Four datasets (ALOS PALSAR DEM, NISAR L-band SAR, BIOMASS P-band SAR, and...
High-purity quartz is an important raw material for strategic emerging industries, including photovoltaics and semiconductors. To improve the deep removal of impurities from granitic-pegmatite quartz and clarify the effects of calcination–water...
Mining and metallurgical wastes contain potentially valuable mineral resources but pose growing environmental risks. This review proposes a mineralogy-guided framework for converting these wastes into low-carbon binders and construction materials. Ra...
Accurate petrographic identification from thin-section images is important for geoscientific analysis but remains strongly dependent on expert interpretation. In this study, we organized 2634 polarized-light images from 324 distinct thin sections rep...
Mechanical activation (MA), an intensive milling process capable of inducing physicochemical changes in solid materials, was applied to a vanadiferous titanomagnetite (VTM) originating from the Lac Doré Complex, Chibougamau, QC, Canada. The ob...
The growing demand for critical minerals, precious and base metals, industrial minerals, geothermal energy, and other subsurface resources is pushing geophysical exploration toward greater depths and increasingly complex geological settings [...]
The Xianglin Sn polymetallic deposit, located on the northwestern margin of the Cuonadong dome in the eastern Tethyan Himalaya, represents an important Sn-W-Be polymetallic system recently recognized in southern Tibet. This study investigates the nat...
“Shetaicui” is a distinctive quartzite jade from the Dashetai area of Inner Mongolia. Its green variety has attracted considerable academic attention because of its characteristic color and relatively high economic value, yet its color ge...
Chile, the world’s leading copper producer, accumulates hundreds of tailings deposits whose battery metals were never a recovery target. We screened cobalt, nickel and residual copper across the national tailings inventory using the public geoc...
Abandoned coal-mine drainage (CMD) is a domestic source of rare earth elements (REEs) that can be biomined. Pennsylvania has ~11,000 abandoned mines, with ~500 CMD passive remediation systems (PRSs). REEs found in CMD accumulate as solid precipitants...
This study investigated the soil geochemistry associated with magnetite-bearing Fe–Cu mineralization in northeastern Aksaray (Türkiye). Reservoir normalization, threshold-based geochemical anomaly classification, and multivariate statistic...
Degradation processes forming as a result of direct and indirect environmental interactions with soluble salts are important for the structural material of marble and in geotechnical applications. This is necessary, not only to identify the source an...
Magmatic oxygen fugacity (fO2) and dissolved H2O content are fundamental physicochemical parameters governing redox conditions, volatile behavior, mineral stability, and multivalent-element partitioning during magma evolution. Analysis of magmatic fO...
PGM (platinum-group mineral) melt inclusions set in two Pt-Fe alloy nuggets are from the Camumbi River placer, Ecuador. Inclusion bulk compositions are strongly fractionated, mutually exsolved melts Pt–Rh–Pd–Cu > Fe–Ni sulf...
Apatite is widespread in pegmatites in the Oxford Pegmatite Field and is dominantly fluorapatite. Hydroxylapatite does occur but is rare. Carbonate-rich fluorapatite occurs as a partial replacement of beryllonite. True chlorapatite does not occur, bu...
Timor is situated in the Lesser Sunda chain of islands in the non-volcanic outer Banda Arc of the Australia–Southeast Asia orogen. Diachronous collision of the irregular passive margin of Australia with the detached margin of SE Asia in the Mio...
This work is devoted to the investigation of rare-metal granites associated with anorthosite–rapakivi granite rock complexes. This article evaluates the physicochemical conditions that governed the formation of a rare-metal granite dike. It als...
Phosphogypsum (PG) produced by different wet-process phosphoric acid routes exhibits distinct mineralogical characteristics and metal ion release behaviors, which may influence its environmental risk and resource utilization potential. In this study,...
This work investigated the extraction behavior of Zn, Cu, and Fe during sulfuric acid leaching of metallurgical waste from the Ust-Kamenogorsk zinc production plant. At the same time, the detailed kinetic analysis was restricted to Zn dissolution. Th...
Poorly governed geoscience databases introduce subtle but systematic biases that propagate through mineral resource estimation workflows, distorting grade continuity and resource classification. While the importance of data quality in mining is widel...
Tantalum and niobium are critical strategic rare refractory metals; however, most associated tantalum–niobium resources are characterized by ultra-low grade, finely disseminated grains, and severe argillization, which causes pronounced slime co...
The emplacement of mafic dikes into carbonate-bearing sedimentary successions commonly produces localized mineralogical and geochemical variations in adjacent country rocks. However, the spatial distribution of these variations remains poorly documen...
Jadeite and omphacite, both pyroxene-group minerals, are the two most dominant component minerals in fei cui (a rock-origin gemstone that may be dominated by jadeite, omphacite, kosmochlor, or their intermediate compositions), and classifying jadeiti...
The blind hyperspectral unmixing of altered minerals holds significant indicative importance for the exploration of sandstone-type uranium deposits. Nevertheless, the distinctive backscattering and multiphase characteristics are typically underestima...
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