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Identification of rare earth elements in synthetic and natural monazite and xenotime by visible-to-shortwave infrared reflectance spectroscopy
To support the role of proximal and remote sensing in geological rare earth element (REE) resource exploration, we studied the reflectance...
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Hydrothermal monazite and xenotime chemistry as genetic discriminators for intrusion-related and orogenic gold deposits: implications for an orogenic origin of the Pogo gold deposit, Alaska
Attempts to geochemically distinguish between metamorphic-hydrothermal systems that form orogenic gold deposits and both reduced and oxidized...
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U–Pb vein xenotime geochronology constraints on timing and longevity of orogenic gold mineralization in the Malartic-Val-d’Or Camp, Abitibi Subprovince, Canada
Despite a well-developed structural framework, orogenic gold deposits from the Malartic-Val-d’Or Camp (MVC) report ages that span nearly 345 million...
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The Nature of Oscillatory Zoning and Mechanism of Crystal Growth in a Paragenic Intergrowth of Florencite and Xenotime
AbstractREE fractionation into cerium Ce g (La–Eu) and yttrium Y g (Gd–Lu) groups, as well as La sg (La–Pr), Sm sg (Nd–Eu), Gd sg (Gd–Dy), and Yb sg (Y,...
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Precise ages of gold mineralization and pre-gold hydrothermal activity in the Baiyun gold deposit, northeastern China: in situ U–Pb dating of hydrothermal xenotime and rutile
Timing of the major Baiyun gold deposit (~ 70 t Au) in the northeastern North China Craton is controversial. A textural and geochronological study of...
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Characterisation of Kalalikhera felsic volcanics, Pur-Banera belt, Rajasthan: Insights from monazite–xenotime geochemistry and chemical ages
Geological and geochemical characteristics of the litho units exposed in and around Kalalikhera area of Pur-Banera belt have confirmed the presence...
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A new analytical protocol for high precision U–Th–Pb chemical dating of xenotime from the TTG gneisses of the Bundelkhand Craton, central India, using CAMECA SXFive Electron Probe Micro Analyzer
AbstractXenotime is a significant accessory mineral which is being extensively used for precise U–Th–Pb geochronology by Electron Microprobe Analysis...
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Rare-Earth Mineralization in Terrigenous Rocks of the Shatak Complex (Southern Urals): Species Diversity and Features of Chemical Composition
Abstract —The study of terrigenous rocks of the Shatak Complex, which includes rocks of the Kuz”elga and Karan subformations (Mashak Formation, Upper...
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Yttrium and REE Mineralization in Manganese Pods Occurring in Bentonite Deposits of the Eocene Texas Coastal Plain
Eocene-aged bentonite deposits in Gonzalez (Texas, USA) carrfy scattered manganese oxide-rich pods where rare earth element (REE) concentrations as...
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Roasting Decomposition for Phosphate Separation from Zircon Tailing
AbstractIn this study, the thermal decomposition of zircon magnetic tailing has been conducted to remove phosphate using a roasting process with Na 2 CO...
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Rare-Earth Minerals in Kaolin Ore, Mine Tailings, and Sands – Central Georgia, Upper Coastal Plain
The total concentrations of rare-earth elements (REE) in the mined kaolin (0.02–0.06 wt.%), kaolin mine tailings (0.03–1.9 wt.%), and the...
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Rare Earth Minerals in the Rare-Metal Greisens of the Verkhnee Deposit in the Khingan–Olonoisky District of the Amur Region, Russia
Rare minerals represented by oxides, fluorides, F-carbonates and REE arsenates in association with monazite-Ce, monazite-Th, xenotime-Y and zonal REE...
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Phanerozoic Rare Earth Element Resources of Egypt: Metallogenetic and Mineral Exploration Constraints
The rare earth element (REE) Phanerozoic rocks in the Egyptian Arabic Republic can be categorized into four classes as follows: (1) Mesozoic,...
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Mineralogical signature of Khor Um Safi stream sediments, Central Eastern Desert, Egypt
The present work deals with the investigation of the mineralogical characteristics of stream sediments, as possible source of economic heavy...
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Textural and compositional constraints on the origin, thermal history, and REE mobility in the Lakeh Siah iron oxide-apatite deposit—NE Bafq, Iran
The Lakeh Siah iron oxide-apatite deposit occurs within the Cambrian succession of volcanic tuffs and rhyolitic rocks intercalated with dolomites,...
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Rare Arsenates of REEs and Y in Ores of the Verkhnee Greisen Deposit within the Khingan–Olonoiskii District (Primorye, Russia)
AbstractIn the Sn–W greisen deposits of the Karadub ore field, rare arsenates of REEs chernovite-(Y) and gasparite-(Ce), associated with topaz,...
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Geochemistry of High-Phosphorus Zircon from the Upper Riphean Sandstones of the Southern Timan
Abstract —A detailed mineralogical and geochemical study (using the EPMA and SIMS methods) of zircon from sandstones of the Dzhezhim Formation in the...
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Diagenetic behavior of rare-earth elements: an example of layered sulfide ores of the Novy Shemur volcanic-hosted massive sulfide deposit, North Urals, Russia
The Novy Shemur volcanic-hosted massive sulfide deposit in the North Urals, Russia, is a one of striking examples of erosion of hydrothermal sulfide...
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Paragenesis and composition of xenotime-(Y) and florencite-(Ce) from unconformity-related heavy rare earth element mineralization of northern Western Australia
This study investigates the paragenesis and ore mineral composition of xenotime [(Y,HREE)PO 4 ] and florencite [LREEAl 3 (PO 4 ) 2 (OH) 6 ] from heavy rare...
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Mineral chemistry and monazite chemical Th–U–total Pb dating of the Wadi Muweilha muscovite pegmatite, Central Eastern Desert of Egypt: constraints on its origin and geodynamic evolution relative to the Arabian Nubian Shield
The Wadi Muweilha muscovite pegmatite in the Central Eastern Desert (CED) of Egypt is strongly influenced by a strike-slip shearing and fault system...
