Results 41 to 50 of about 684 (154)

Impact of Carbonate Ions on the Synthesis of ThSiO 4 under Hydrothermal Conditions

, 2018
International audienceMultiparametric study of the hydrothermal synthesis of thorite, ThSiO4, was performed with the aim to determine the most efficient conditions to form single phase thorite samples.
Dacheux, Nicolas, Mesbah, Adel, Moisy, Philippe, Poinssot, Christophe, Welcomme, Éléonore, Estevenon, Paul, Szenknect, Stephanie   +6 more
core   +1 more source

MINERALOGICAL, GEOCHEMICAL AND RADIOACTIVE ASPECTS OF NUWEIBI BASEMENT ROCKS, CENTRAL EASTERN DESERT, EGYPT [PDF]

Delta Journal of Science, 2010
Nuweibi area is situated in the Central Eastern Desert, Egypt, covers an area of about 135km2. The field observations and the detailed petrographic study revealed that the mapped area is distinguished into several rock units: serpentinites, metasediments,
Sameh M. Mansour, Mohamed A. Wetait, Salah S. El-Balakssy   +2 more
doaj   +1 more source

A New Concept for an Integrated Mapping of Rare‐Earth Elements using Laser–Induced Fluorescence and Reflectance Spectroscopy

Advanced Sensor Research, Volume 5, Issue 3, March 2026.
We introduce a new integrated line‐scan sensor system that combines hyperspectral and laser‐induced fluorescence imaging as a non‐invasive alternative characterization technique specifically suited for rare‐earth element (REE) mapping and identification. We investigate in detail the potential and limitations in comparison to state‐of‐the‐art approaches
Titus Abend, Margret Fuchs, Jan Beyer, Sandra Lorenz, Nadine Schüler, Kay Dornich, Johannes Heitmann, Richard Gloaguen   +7 more
wiley   +1 more source

Impact of Carbonate Ions on the Synthesis of ThSiO₄ under Hydrothermal Conditions

, 2018
Multiparametric study of the hydrothermal synthesis of thorite, ThSiO4, was performed with the aim to determine the most efficient conditions to form single phase thorite samples.
Paul Estevenon, Stephanie Szenknect, Philippe Moisy (1839829), Adel Mesbah (1565200), Stephanie Szenknect (1565203), Christophe Poinssot, Philippe Moisy, Eleonore Welcomme (5491502), Adel Mesbah, Nicolas Dacheux, Eleonore Welcomme, Paul Estevenon (5491505), Nicolas Dacheux (1565194), Christophe Poinssot (1565188)   +13 more
core   +1 more source

Mineralogy and Formation of a Platinum Placer Deposit, Southern South Island, New Zealand

New Zealand Journal of Geology and Geophysics, Volume 69, Issue 1, March 2026.
Placer platinum group minerals (PGM), with subordinate detrital gold, have been concentrated in Pleistocene coastal sands near the present Foveaux Strait shoreline. This study characterises the PGM in what is New Zealand's only identified PGM deposit.
Marshall Palmer, Dave Craw
wiley   +1 more source

Multiparametric Study of the Synthesis of ThSiO 4 under Hydrothermal Conditions

, 2018
International audienceA multiparametric study of the hydrothermal synthesis of ThSiO4, thorite, was performed with the aim of determining the most efficient conditions to form single-phase samples.
Dacheux, Nicolas, Mesbah, Adel, Moisy, Philippe, Poinssot, Christophe, Welcomme, Éléonore, Estevenon, Paul, Szenknect, Stephanie   +6 more
core   +1 more source

Geodynamic setting and ore formation of the Younusisayi thorium deposit in the Altyn orogenic belt, NW China [PDF]

, 2021
Thorium deposit related to alkaline/peralkaline magmatism is the dominant thorium source. Its ore-forming thorium mechanism has long been fascinating.
Mingqian Wu, Hao‐Cheng Yu, Bishikwabo Germain, Bao-Xing Qiao, Zhigang Zhao, Ya‐Qi Huang, Kunfeng Qiu   +6 more
core   +1 more source

The Paleo‐Tethys Suture Zone in the Afghan Hindu Kush‒Pamir: Geo‐Thermochronology, Geochemistry, Tectonics

Tectonics, Volume 45, Issue 3, March 2026.
Abstract In the Afghan Hindu Kush, the 223–209 Ma (≤800°C) Salang batholith is part of the Silk‐Road magmatic arc that was built on ∼40‐km‐thick Turan‐Karakum block continental crust. The batholith constitutes the hanging wall of the Herat‐Panjshir‐Badakhshan—the Paleo‐Tethys—suture zone, vestige of the subducted Paleozoic‐early Mesozoic Paleo‐Tethys ...
Lothar Ratschbacher, Said Amin Hashimy, Hasan Malistani, Yasuhito Osanai, Jianhua Li, Zhao Yang, Bradley R. Hacker, Leander Franz, Hadi Karimi   +8 more
wiley   +1 more source

REE-Y-Ti-Th mineralization in the albite bearing metasomatite and metasomatized rhyolite hosted in Choghart magnetite-apatite deposit, Central Iran: Interplay of evaporitic brines, hydrothermal-magmatic fluids

Journal of Economic Geology, 2023
Macroscopic, microscopic and geochemical studies carried out on albite-bearing metasomatites and metasomatic rhyolites hosting the magnetite-apatite deposit of Chogharat indicate the presence of three generations of albite with different concentrations ...
Kiamars Hosseini, Roghayeh Zabihi Khargh, Mohammad Hossein Moradian Bafghi   +2 more
doaj   +1 more source

Geochronology of Cretaceous to Paleogene Igneous Rocks Along a North–South Traverse in the Western Kinki Region, Southwest Japan

Island Arc, Volume 35, Issue 1, January/December 2026.
ABSTRACT New zircon U–Pb ages are presented for Cretaceous to Paleogene volcanic and granitic rocks of Awaji Island in the Ryoke Belt, Arima area in the San'yo Belt, and Izushi–Kasumi areas in the San'in Belt. These areas are located on a transect across southwest Japan from the Median Tectonic Line to the Sea of Japan.
Daisuke Sato
wiley   +1 more source