Results 31 to 40 of about 36,721,275 (294)
BACKGROUND Sandstone-type uranium deposits contain a large number of pyrites of different shapes and stages. It is difficult to accurately discriminate the pyrite formed before, during or after the metallogenic period solely by observation of pyrite ...
ZHANG Xiaorui +11 more
doaj +1 more source
Age determinations using the 235U and 238U radioactive decay series to the daughter isotopes 207Pb and 206Pb, respectively, using the mineral zircon (ZrSiO4), are widely used to decipher geological processes.
Bernhard Bühn +3 more
doaj +1 more source
Combined U-Pb and Lu-Hf isotope analyses by laser ablation MC-ICP-MS: methodology and applications
The Lutetium-Hafnium isotopic system represents one of the most innovative and powerful tools for geochronology and isotopic studies. Combined U-Pb and Lu-Hf in situ analyses on zircon by LA-MC-ICP-MS permit to characterize isotopically the host magma ...
Massimo Matteini +3 more
doaj +1 more source
UPb LA-(MC)-ICP-MS dating of rutile: New reference materials and applications to sedimentary provenance [PDF]
In response to the general lack of sufficiently abundant and high quality rutile UPb reference materials for in situ geochronology, we have characterised two new potential rutile ~ 1.8 Ga reference materials (Sugluk-4 and PCA-S207) from granulite facies belts of the Canadian Shield, namely the northern Cape Smith Belt of Quebec and the Snowbird ...
Bracciali, Laura +4 more
openaire +4 more sources
kleinerELM/LA-ICP-MS: Script to process LA-ICP-MS data and combine it with EDX phase masks
Script to process LA-ICP-MS data from ...
Florian Kleiner, Kleiner, Florian
core +1 more source
Columbite-Group Minerals from New York Pegmatites: Insights from Isotopic and Geochemical Analyses
Columbite crystals from niobium-yttrium-fluorine (NYF) pegmatites lacking zircon or containing metamict cyrtolite were analyzed for major and minor elements (Electron Microprobe (EMP)), trace elements (Laser Ablation-Inductively Coupled Plasma-Mass ...
Marian V. Lupulescu +4 more
doaj +1 more source
The concentration of rare earth elements (REEs) in geological materials including SLRS-6 (natural water certified reference material) and JB1b, JA1, and JG2 (Standard Rock Materials of Geological Survey of Japan) can be used as a tracer to characterize ...
Seung-Gu Lee, Kyung-Seok Ko
doaj +1 more source
Simultaneous in situ determination of U‐Pb and Sm‐Nd isotopes in monazite by laser ablation ICP‐MS
Results are presented for in situ simultaneous determination of U‐Pb and Sm‐Nd isotopes in monazite using the Laser Ablation Split‐Stream (LASS) method. This method uses a laser ablation system coupled to a magnetic‐sector inductively coupled plasma mass
Dylan J. Goudie +4 more
doaj +1 more source
This paper presents new U–Th ages obtained by LA-MC-CP-MS (laser ablation - multi-collector - inductively coupled plasma - mass spectrometry) on coral samples from a sedimentary core of the Tunis lagoon. The ages and calculated ($\mbox {}^{234}$U/$\mbox {
Condomines, Michel +3 more
doaj +1 more source
This paper reports LA-ICP-MS 87Sr/86Sr isotopic data collected from archaeological human remains uncovered in Manzherok region, Altai Republic, Russian Federation (“Mobility of nomads in central Asia: chronology and 87Sr/86Sr isotope evidence from the ...
Dalia A. Pokutta +4 more
doaj +1 more source

