1992
DOI: 10.1016/0895-9811(92)90028-w
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New KAr age dates of Neogene and Quaternary volcanic rocks from the Ecuadorian Andes: Implications for the relationship between sedimentation, volcanism, and tectonics

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Cited by 37 publications
(41 citation statements)
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“…The Oligocene to Early Miocene Saraguro Group crops out extensively in central-southern Ecuador and consists of welded tuffs of dacitic to rhyolitic composition, andesitic to rhyolitic lavas, volcaniclastic material and sediments (BGS and CODIGEM 1999;Figs. 2 and 3 Lavenu et al 1992) (Figs. 2 and 3).…”
Section: Geological Setting Geodynamic Evolution and Magmatismmentioning
confidence: 99%
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“…The Oligocene to Early Miocene Saraguro Group crops out extensively in central-southern Ecuador and consists of welded tuffs of dacitic to rhyolitic composition, andesitic to rhyolitic lavas, volcaniclastic material and sediments (BGS and CODIGEM 1999;Figs. 2 and 3 Lavenu et al 1992) (Figs. 2 and 3).…”
Section: Geological Setting Geodynamic Evolution and Magmatismmentioning
confidence: 99%
“…When ages of the sampled outcrops were not available we have used a representative age of the geologic units to which the samples belong (Table 1). Thus, a 25 Ma age has been attributed to samples collected within undated outcrops of the Saraguro Group (Lavenu et al 1992;Hungerbu¨hler et al 2002), an age of 15 Ma to undated samples of the Sta. Isabel Formation (Hungerbu¨hler et al 2002), an age of 9 Ma to undated samples of the Turi Formation (Hungerbu¨hler et al 2002), an age of 8 Ma to undated samples of the Pisayambo Formation (Lavenu et al 1992), and an age of 5 Ma to undated samples of the Tarqui Formation (Hungerbu¨hler et al 2002).…”
Section: Rock Samplingmentioning
confidence: 99%
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