Results 21 to 30 of about 32,006 (319)

The behaviour of Monazite-(La) at high pressure: a first principles study [PDF]

MATEC Web of Conferences, 2023
Monazite-(La) has received significant attention due to its interesting physical and chemical properties, such as its high fusion temperature and low solubility.
Motsomone Lebogang, Diale Ramogohlo, Ngoepe Phuti, Bissett Hertzog, Chauke Hasani   +4 more
doaj   +1 more source

Surface Mechanism of Fe3+ Ions on the Improvement of Fine Monazite Flotation With Octyl Hydroxamate as the Collector

Frontiers in Chemistry, 2021
Froth flotation of fine minerals has always been an important research direction in terms of theory and practice. In this paper, the effect and mechanism of Fe3+ on improving surface hydrophobicity and flotation of fine monazite using sodium octyl ...
Qingzhu Zheng, Yunlou Qian, Yunlou Qian, Dan Zou, Zhen Wang, Zhen Wang, Yang Bai, Haidong Dai   +7 more
doaj   +1 more source

Analytical Conditions for U-Th-Pb Dating of Monazite by LA-ICP-MS

Yankuang ceshi, 2021
BACKGROUND Compared with zircon U-Pb dating, monazite has more advantages in the dating of some metamorphic rocks or highly differentiated rocks.
ZHANG Ya, LI Quan-zhong, YAN Jun, XIE Jian-cheng, YANG Qing-liang, GAO Ling   +5 more
doaj   +1 more source

Metabolomic Analysis Reveals Contributions of Citric and Citramalic Acids to Rare Earth Bioleaching by a Paecilomyces Fungus. [PDF]

, 2019
Conventional methods for extracting rare earth elements from monazite ore require high energy inputs and produce environmentally damaging waste streams. Bioleaching offers a potentially more environmentally friendly alternative extraction process.
Alvarez-Cohen, Lisa, Brisson, Vanessa L, Zhuang, Wei-Qin   +2 more
core   +1 more source

Geochemistry of Monazite within Carbonatite Related REE Deposits

Resources, 2017
Approximately >50% of global rare earth element (REE) resources are hosted by carbonatite related deposits, of which monazite is one of the most important REE minerals. Monazite dominates more than 30 carbonatite-related REE deposits around the world,
Wei Chen, Huang Honghui, Tian Bai, Shaoyong Jiang   +3 more
doaj   +1 more source

U–Pb dating and Sm–Nd isotopic analysis of granitic rocks from the Tiris Complex : new constaints on key events in the evolution of the Reguibat Shield, Mauritania [PDF]

, 2012
The Reguibat Shield of N Mauritania and W Algeria represents the northern exposure of the West African Craton. As with its counterpart in equatorial West Africa, the Leo Shield, it comprises a western Archaean Domain and an eastern Palaeoproterozoic ...
Abdouloye, T.B., Darbyshire, F., Gillespie, M., Horstwood, M.S.A., O'Connor, E.A., Pitfield, P.E.J., Schofield, D.I.   +6 more
core   +1 more source

Direct dating of mid-crustal shear zones with synkinematic allanite:new in situ U-Th-Pb geochronological approaches applied to the Mont Blanc massif [PDF]

, 2013
International audienceDating the timing of motion on crustal shear zones is of tremendous importance for understanding the assembly of orogenic terranes.
Cenki-tok, Benedicte, Darling, James, Dhuime, Bruno, Rolland, Yann, Storey, Craig   +4 more
core   +3 more sources

U-Pb Isotopic Dating of Monazite in Granite from the Changjiang Uranium Orefield, Northern Guangdong Province and Its Geological Significance

Yankuang ceshi, 2022
BACKGROUND The Changjiang uranium ore field in the southern margin of the Zhuguangshan complex pluton is a typical granite-type uranium ore field in China. Zircon U-Pb dating has been used to date ore-bearing granites. However, due to the high content of
CHEN Yan, PAN Jia-yong, ZHONG Fu-jun, WAN Jian-jun, YAN Jie, LIU Wen-quan, LI Hai-dong   +6 more
doaj   +1 more source

REE MINERALS IN BLACK SHALES OF THE PALEOPROTEROZOIC MIKHAILOVKA FORMATION (BAIKAL-PATOM HIGHLAND, SIBERIA) [PDF]

Минералогия, 2022
The paper characterizes REE mineralization from carbonaceous metapelites of the Paleoproterozoic Mikhailovka Formation, which is the most ancient gold-bearing horizon of the Lena province (Bodaibo district, Irkutsk region). The conditions of metamorphism
E.E. Palenova, E.A. Rozhkova, E.V. Belogub, M.A. Rassomakhin   +3 more
doaj   +1 more source

A comparison between in situ monazite Lu–Hf and U–Pb geochronology [PDF]

Geochronology
In complex metamorphic rocks, monazite U–Pb dates can span a wide concordant range, leading to ambiguous geological interpretations (e.g. slow protracted cooling versus multiphase growth).
A. T. De Vries Van Leeuwen, A. T. De Vries Van Leeuwen, A. T. De Vries Van Leeuwen, S. Glorie, S. Glorie, M. Hand, M. Hand, J. Mulder, S. E. Gilbert   +8 more
doaj   +1 more source