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Article
In-situ analysis and genetic investigation of Li-bearing minerals in McDermitt clay-type lithium deposit, Nevada, USA
Clay-type Li deposits are poised to play a pivotal role in addressing the surging global demand for Li. The McDermitt clay-type Li deposit, located in Nevada, is the largest Li deposit in the United States, wi...
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Article
Lithium-rich claystone in **guo area, Guangxi, southwest China: precursor kaolinite controls lithium enrichment
We investigated Late Permian Li-rich claystones with up to 1.05 wt% Li2O (average: 0.45 wt% Li2O) in the **guo area in Guangxi, southwest China. Our results show that cookeite (chlorite group) is the dominant L...
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Article
Inverse Mo versus U isotope correlation of Early Cambrian highly metalliferous black shales in South China indicates synsedimentary metal enrichment from a near-modern ocean
The basal unit of the Early Cambrian black shale sequence of South China hosts sulfide-rich polymetallic units, non-sulfidic vanadium-rich black shales, sapropelic alginite (combustible shale), barite, and pho...
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Article
High-precision double-spike Cd isotopic measurements of seawater by MC-ICP-MS and its application to seawater affected by hydrothermal vent fluids
Cadmium (Cd) isotopes in seawater have been proven as an important geochemical tool for tracing ocean Cd circulation in the modern ocean. In this study, we evaluated a new method to separate Cd (~ 60 ng) from ...
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Article
Study on the occurrence state of indium in sphalerite of Dulong Sn–Zn–In polymetallic deposit, Southwest China
The Dulong deposit, located in the Laojunshan area of southeastern Yunnan, China, is an important polymetallic deposit due to its high reserves of tin, zinc, and indium. The occurrence state of indium is criti...
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Article
Forensic Identification from Three-Dimensional Sphenoid Sinus Images Using the Iterative Closest Point Algorithm
Forensic identification of human remains is crucial for legal, humanitarian, and civil reasons. Wide heterogeneity in sphenoid sinus morphology can be used for personal identification. This study aimed to prop...
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Article
Human identification performed with skull’s sphenoid sinus based on deep learning
Human identification plays a significant role in the investigations of disasters and criminal cases. Human identification could be achieved quickly and efficiently via 3D sphenoid sinus models by customized co...
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Article
Super-enrichment of lithium and niobium in the upper Permian Heshan Formation in **guo, Guangxi, China
The upper Permian Heshan Formation in **guo, Guangxi, China, is strongly enriched in lithium (Li) and niobium (Nb). The lower bauxite layer contains 0.02–0.04 wt.%Nb2O5 (averaging 0.035 wt.%), and the overlying...
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Article
Occurrence Modes of Niobium in Kaolin Clay From Guizhou, China
Niobium in kaolin clay from the Late Permian sequences was reported in the range of several hundreds of micrograms per gram and was considered as a potential resource for its high concentrations and large area...
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Article
Leaching Behavior of Lithium from Bauxite Residue Using Acetic Acid
Bauxite residue (red mud) is an alkaline waste derived from the industrial process for extraction of alumina from bauxite ore. Some bauxite residues contain considerable concentrations of critical metals, for ...
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Article
The mixing of multi-source fluids in the Wusihe Zn–Pb ore deposit in Sichuan Province, Southwestern China
The Sichuan–Yunnan–Guizhou (SYG) metallogenic province of southwest China is one of the most important Zn–Pb ore zones in China, with ~ 200 Mt Zn–Pb ores at mean grades of 10 wt.% Zn and 5 wt.% Pb. The source ...
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Article
Enrichment of Niobium and Titanium from Kaolin Using an Acid–Alkali Leaching Process
Niobium is a strategic resource because it is useful in a wide number of applications and its global distribution is uneven. It has been reported that kaolin clay from the bottom of the Xuanwei Formation, the ...
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Article
Cadmium isotope fractionation in the Fule Mississippi Valley-type deposit, Southwest China
High-precision cadmium (Cd) isotope compositions are reported for sphalerite, galena, and smithsonite from the Fule Zn–Pb–Cd deposit, a typical Mississippi Valley-type deposit in Southwest China. Dark sphaleri...
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Article
Chromatographic Separation of Cd from Plants via Anion-Exchange Resin for an Isotope Determination by Multiple Collector ICP-MS
In this study, key factors affecting the chromatographic separation of Cd from plants, such as the resin column, digestion and purification procedures, were experimentally investigated. A technique for separat...
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Article
Open AccessZn/Cd ratios and cadmium isotope evidence for the classification of lead-zinc deposits
Lead-zinc deposits are often difficult to classify because clear criteria are lacking. In recent years, new tools, such as Cd and Zn isotopes, have been used to better understand the ore-formation processes an...
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Article
Open AccessFractionation of Stable Cadmium Isotopes in the Cadmium Tolerant Ricinus communis and Hyperaccumulator Solanum nigrum
Cadmium (Cd) isotopes provide new insights into Cd uptake, transport and storage mechanisms in plants. Therefore, the present study adopted the Cd-tolerant Ricinus communis and Cd-hyperaccumulator Solanum nigrum,...
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Article
Marine redox conditions in the Early Cambrian ocean: Insights from the Lower Cambrian phosphorite deposits, South China
It is generally considered that a significant change in oceanic redox conditions occurred during the Ediacaran–Cambrian transition. However, there are currently two major conflicting views on the degree of oxy...
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Article
Characteristics of Cd isotopic compositions and their genetic significance in the lead-zinc deposits of SW China
Up to now, the evaporation and condensation, as well as the biological absorption and inorganic absorptions, have been proved to be major factors in Cd isotope fractionation. And Cd isotopes have been widely a...
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Article
Open AccessMolybdenum isotopic composition as a tracer for low-medium temperature hydrothermal ore-forming systems: A case study on the Dajiang** pyrite deposit, western Guangdong Province, China
Little is known about the range or controls on the molybdenum isotopic composition of low-medium temperature hydrothermal ore-forming systems. We present molybdenum isotope data from 12 hydrothermal syndeposit...
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Article
Mo isotopes in the Lower Cambrian formation of southern China and its implications on paleo-ocean environment
Over the past decade, as one of nontraditional stable isotopes, Mo isotope has developed rapidly and now become an important geochemical proxy to trace paleo-oceanic and atmospheric evolution through geologica...
