U-series dating of carbonates using inductively coupled plasma-quadrupole mass spectrometry
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Hernández-Mendiola, E.; Bernal, Juan Pablo; Lounejeva, E.; Mortimer, Graham; McCulloch, Malcolm Thomas
Description
We describe an analytical methodology to quantify238U-234U and230Th using isotope-dilution systematics and inductively coupled plasma-quadrupole mass spectrometry (ICP-QMS) for geochronological purposes. This required characterization of the mass spectrometer detector performance over a large dynamic range, including a careful calibration between pulse and analogue ion-counting modes. Our methodology gives an analytical precision for234U/238U and230Th/238U of 4‰ and 7‰ (2 × standard error),...[Show more]
Collections | ANU Research Publications |
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Date published: | 2011 |
Type: | Journal article |
URI: | http://hdl.handle.net/1885/52745 |
Source: | Quaternary Geochronology |
DOI: | 10.1016/j.quageo.2011.09.001 |
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01_Hernández-Mendiola_U-series_dating_of_carbonates_2011.pdf | 547.75 kB | Adobe PDF | Request a copy |
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