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Evolution history of the crust underlying Cerro Pampa, Argentine Patagonia: Constraint from LA-ICPMS U–Pb ages for exotic zircons in the Mid-Miocene adakite
eochronological fingerprint zircon adakite LA-ICPMS crustal evolution Cerro Pampa Pa
2017/4/11
This paper newly reports results of LA-ICPMS U–Pb dating for 282 zircon crystals separated from a Middle Miocene
adakite in Cerro Pampa, southern Argentine Patagonia. With the exception of one spot a...
Combining [3He] cosmogenic dating with U–Th/He eruption ages using olivine in basalt
U–Th/He cosmogenic helium Snake River Basalts Idaho olivine
2014/4/8
This paper presents new U–Th/He crystallization and 3He exposure ages on olivine for a suite of basalt samples from the Snake River Plain, Idaho. The results provide the first demonstration that U–Th/...