Calibration of cosmogenic 36Cl production rates from Ca and K spallation in lava flows from Mt. Etna (38 N, Italy) and Payun Matru (36 S, Argentina)
I Schimmelpfennig, L Benedetti, V Garreta, R Pik… - … et Cosmochimica Acta, 2011 - Elsevier
Published cosmogenic 36 Cl production rates from Ca and K spallation differ by almost a
factor of 2. In this paper we determine production rates of 36 Cl from Ca and K in samples of
known age containing little Cl. Ca-rich plagioclases and K-feldspars were separated from a
total of 13 samples collected on the surfaces of four basaltic lava flows at Mt. Etna (38° N,
Italy) and from a trachyte lava flow at Payun Matru volcano (36° S, Argentina). Eruption ages,
determined by independent methods, range between 0.4 and 32 ka. Sample site elevations …
factor of 2. In this paper we determine production rates of 36 Cl from Ca and K in samples of
known age containing little Cl. Ca-rich plagioclases and K-feldspars were separated from a
total of 13 samples collected on the surfaces of four basaltic lava flows at Mt. Etna (38° N,
Italy) and from a trachyte lava flow at Payun Matru volcano (36° S, Argentina). Eruption ages,
determined by independent methods, range between 0.4 and 32 ka. Sample site elevations …
[引用][C] Calibration of cosmogenic 36Cl production rates from Ca and K spallation in lava flows from Mt. Etna (38 N, Italy) and Payun Matru (36 S, Argentina)
PB Blardb, D Bourlèsa, R Finkela, K Ammond… - 2011
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