Numerical dating of the Eckfeld maar fossil site, Eifel, Germany: a calibration mark for the Eocene time scale
DF Mertz, CC Swisher, JL Franzen, FO Neuffer… - …, 2000 - Springer
Sediments of the Eckfeld maar (Eifel, Germany) bear a well-preserved Eocene fauna and
flora. Biostratigraphically, Eckfeld corresponds to the Middle Eocene mammal reference
level MP (Mammals Paleogene) 13 of the ELMA (European Land Mammal Age)
Geiseltalian. In the maar crater, basalt fragments were drilled, representing explosion crater
eruption products. By 40 Ar/39 Ar dating of the basalt, for the first time a direct numerical
calibration mark for an Eocene European mammal locality has been established. The …
flora. Biostratigraphically, Eckfeld corresponds to the Middle Eocene mammal reference
level MP (Mammals Paleogene) 13 of the ELMA (European Land Mammal Age)
Geiseltalian. In the maar crater, basalt fragments were drilled, representing explosion crater
eruption products. By 40 Ar/39 Ar dating of the basalt, for the first time a direct numerical
calibration mark for an Eocene European mammal locality has been established. The …
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