WebJul 12, 2005 · Calibrating chemical abrasion: Its effects on zircon crystal structure, chemical composition and UePb age. The present sub-permil precision of single zircon chemical … WebJun 26, 2024 · Thus, we use the higher-precision CA-ID-TIMS U-Pb ages in core SK-1(s) to calculate the age of the YNB. The total length of K 2 n 1 in borehole SK-1(s) is 103.04 m [ 38 ], while in borehole X1-4 it is 105.5 m, implying that the sediment accumulation rates at both boreholes were very similar.
New CA-ID-TIMS U–Pb zircon ages for the …
WebZircon U-Pb CA-ID-TIMS dating of three samples of the T1 tuff bed combined give a best estimate for the deposition of the volcanic ash bed of 141.11 ± 0.25/0.26/0.30 Ma. The … WebMay 1, 2024 · We present high-precision isotope dilution-thermal ionization mass spectrometry (ID-TIMS) U-Pb zircon data from the Carboniferous Punteglias granodiorite from the Central Alpine basement in... bandana placemats
Late Permian–Middle Triassic magnetostratigraphy in
WebThe Tools portal of the Educator Credentialing System (ECS) provides authorized users access to various tools, like the SEID Lookup. Please use a Google or Microsoft Account … WebMay 28, 2024 · U–Pb CA-ID-TIMS data on zircon in a gabbro dyke yield an age of 564·8 ± 2·2 Ma for the two most concordant zircon separates (Z1 and Z2) . The youngest zircon age (547·0 ± 3·7 Ma) was obtained from subsample C-2-20 8A by LA-ICP-MS . This can be interpreted in two principally different ways. WebSep 1, 2024 · We present high-precision chemical abrasion-isotope dilution-thermal ionization mass spectrometry (CA-IDTIMS) U-Pb zircon and isotope dilution-negative-thermal ionization mass spectrometry (ID-N-TIMS) Re-Os molybdenite geochronology of the world-class Tibetan Qulong porphyry Cu-Mo deposit. ... (<1‰), which is comparable with … bandana plaid