Vein fluorite U-Pb dating demonstrates post-6.2 Ma rare-earth element mobilization associated with Rio Grande rifting

Numerous studies have documented rare-earth element (REE) mobility in hydrothermal and metamorphic fluids, but the processes and timing of REE mobility are rarely well constrained. The Round Top laccolith in the Trans-Pecos magmatic province of west Texas, a REE ore prospect, has crosscutting fractu...

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Veröffentlicht in:	Geosphere (Boulder, Colo.) Colo.), 2019-12, Vol.15 (6), p.1958-1972
Hauptverfasser:	Piccione, Gavin, Rasbury, E. Troy, Elliott, Brent A, Kyle, J. Richard, Jaret, Steven J, Acerbo, Alvin S, Lanzirotti, Antonio, Northrup, Paul, Wooton, Kathleen, Parrish, Randall R
Format:	Artikel
Sprache:	eng
Schlagworte:	absolute age calcite carbonates Cenozoic clay minerals Economic geology electron microscopy data fluorides fluorite Geology halides Hudspeth County Texas igneous rocks metal ores mineral deposits, genesis mineralization mobility nacrite North America ore-forming fluids Raman spectra rare earth deposits rhyolites Rio Grande Rift Round Top Mountain SEM data sheet silicates Sierra Blanca silicates spectra Texas Trans-Pecos U/Pb United States veins volcanic rocks West Texas X-ray fluorescence spectra
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