Towards a new impact geochronometer: Deformation microstructures and U-Pb systematics of shocked xenotime [PDF]
Shock-deformation microstructures in xenotime have been proposed to record diagnostic evidence for meteorite impacts. Evaluating the potential for impact-induced U-Pb age resetting of the various microstructures that form in shocked xenotime remains ...
Saxey, David +9 more
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REE MINERALS OF PHYLLITES OF THE MAIN CENTRAL THRUST OF THE TAMOR WINDOW AREA, EASTERN NEPAL [PDF]
Минералогия, 2018 A sample of chlorite-muscovite fillite metamorphosed under greenschist facies of metamorphism below biotite isograde of the Lower Himalayan Sequence from the Main Central Thrust zone of the Tamor tectonic window area (Eastern Nepal) are studied.
E.V. Belogub +2 more
doaj
REE-bearing minerals in the Rapakavi Grante, Southern Finland
Open Geosciences, 2015 The studied rock samples belong to the classic1615–1645 Ma Wiborg Rapakivi granite terrane of southeasternFinland. Geochemical studies show that the rapakivigranites and associated rocks form metaluminousto peraluminous A-type granites and plot in the ...
Al-Ani Thair
doaj +1 more source
SHRIMP U-Pb and REE data pertaining to the origins of xenotime in belt supergroup rocks: Evidence for ages of deposition, hydrothermal alteration, and metamorphism [PDF]
, 2015 The Belt–Purcell Supergroup, northern Idaho, western Montana, and southern British Columbia, is a thick succession of Mesoproterozoic sedimentary rocks with an age range of about 1470–1400 Ma.
Fanning, C. Mark +4 more
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Indentation recovery in GdPO4 and observation of deformation twinning
AIP Advances, 2016 A series of nanoindentation tests on both single and polycrystalline specimens of a monazite rare-earth orthophosphate, GdPO4, revealed frequent observation of anomalous unloading behavior with a large degree of recovery, where previously this behavior ...
Taylor M. Wilkinson +4 more
doaj +1 more source
An Evaluation of Dating of Diagenetic Xenotime by Electron Microprobe.
Microscopy and Microanalysis, 2000 Abstract Xenotime is an igneous mineral commonly present in pegmatite and fractionated granite. Recent studies reveal that it also forms as a diagenetic mineral. Minute (0.1-5 μm) xenotime overgrowths typically crystallise on the surfaces of detrital zircon shortly after sedimentation, in a wide range of siliciclastic sedimentary units ...
Brendan J Griffin +2 more
openaire +1 more source
MINERAL COMPOSITION OF Fe-POOR FERRUGINOUS AND CARBONACEOUS SHALES FROM THE ALEXANDRINSKOE AND SAF′YANOVSKOE DEPOSITS (THE URALS) [PDF]
Минералогия, 2016 Ferruginous and carbonaceous shales of the Alexandrinskoe and Saf′yanovskoe massive sulfide deposits are composed of pseudomorphic chlorite, quartz and hydromica after hyaloclasts and contain quartz and plagioclase clasts, as well as zircon, apatite ...
N.S. Arkhireeva, V.A. Kotlyarov
doaj
Radiation damage in xenotime: an atomistic modelling and x-ray total scattering study [PDF]
, 2017 This thesis focuses on understanding radiation da mage processes du e to a-decay events in xenotime (YPO.). Novel atomistic potentials were derived using a reverse Monte Carlo fitting routine.
Cutts, Geoffrey
core
Composition and origin of intermediate solid solutions in the system thorite-xenotime-zircon-coffinite [PDF]
, 2006 A comprehensive survey of the accessory-mineral assemblages in Variscan granites of the German Erzgebirge and Pan-African granites from Jordan revealed the occurrence of intermediate solid solutions of the tetragonal thorite- xenotime-zircon-coffinite ...
Förster, Hans-Jürgen
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X‑ray Spectroscopic Study of the Electronic Structure of Monazite- and Xenotime-Type Rare-Earth Phosphates [PDF]
, 2016 Crystalline solid-state oxides that exhibit resistance to radiation-induced structural damage are being considered as materials for the immobilization of waste actinide elements.
Mohamed Ruwaid Rafiuddin (1769182) +2 more
core +1 more source