NDLI: Oligocene stratigraphy across the Eocene and Miocene boundaries in the Valley of Lakes (Mongolia)

Content Provider	Springer Nature Link
Author	Daxner Höck, Gudrun Badamgarav, Demchig Barsbold, Rinchen Bayarmaa, Baatarjav Erbajeva, Margarita Göhlich, Ursula Bettina Harzhauser, Mathias Höck, Eva Höck, Volker Ichinnorov, Niiden Khand, Yondon López Guerrero, Paloma Maridet, Olivier Neubauer, Thomas Oliver, Adriana Piller, Werner Tsogtbaatar, Khishigjav Ziegler, Reinhard
Copyright Year	2017
Abstract	Cenozoic sediments of the Taatsiin Gol and TaatsiinTsagaan Nuur area are rich in fossils that provide unique evidence of mammal evolution in Mongolia. The strata are intercalated with basalt flows. $^{40}$Ar/$^{39}$Ar data of the basalts frame the time of sediment deposition and mammal evolution and enable a composite age chronology for the studied area. We investigated 20 geological sections and 6 fossil localities of Oligocene and early Miocene deposits from this region. Seventy fossil beds yielded more than 19,000 mammal fossils. This huge collection encompasses 175 mammal species: 50% Rodentia, 13% Eulipotyphla and Didelphomorphia, and 12% Lagomorpha. The remaining 25% of species are distributed among herbivorous and carnivorous large mammals. The representation of lower vertebrates and gastropods is comparatively poor. Several hundred SEM images illustrate the diversity of Marsupialia, Eulipotyphla, and Rodentia dentition and give insight into small mammal evolution in Mongolia during the Oligocene and early Miocene. This dataset, the radiometric ages of basalt I (∼31.5 Ma) and basalt II (∼27 Ma), and the magnetostratigraphic data provide ages of mammal assemblages and time ranges of the Mongolian biozones: letter zone A ranges from ∼33 to ∼31.5 Ma, letter zone B from ∼31.5 to ∼28 Ma, letter zone C from ∼28 to 25.6 Ma, letter zone C1 from 25.6 to 24 Ma, letter zone C1-D from 24 to ∼23 Ma, and letter zone D from ∼23 to ∼21 Ma.
Starting Page	111
Ending Page	218
Page Count	108
File Format	PDF
ISSN	18671594
Journal	Palaeobiodiversity and Palaeoenvironments
Volume Number	97
Issue Number	1
e-ISSN	18671608
Language	English
Publisher	Springer Berlin Heidelberg
Publisher Date	2017-03-07
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Mongolia Oligocene Miocene Correlation Stratigraphy Mammals Paleontology Biodiversity Animal Systematics/Taxonomy/ Biogeography Plant Systematics/Taxonomy/Biogeography Freshwater & Marine Ecology
Content Type	Text
Resource Type	Article
Subject	Ecology Geology Ecology, Evolution, Behavior and Systematics Global and Planetary Change Paleontology

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Oligocene and early Miocene mammal biostratigraphy of the Valley of Lakes in Mongolia

Geochemistry and mineralogy of the Oligo-Miocene sediments of the Valley of Lakes, Mongolia

The record of Aplodontidae (Rodentia, Mammalia) in the Oligocene and Miocene of the Valley of Lakes (Central Mongolia) with some comments on the morphologic variability

Occurrences of Sinolagomys (Lagomorpha) from the Valley of Lakes (Mongolia)

Cricetidae (Rodentia, Mammalia) from the Oligocene of the Valley of Lakes (Mongolia): the genera Aralocricetodon, Eocricetodon, Bagacricetodon, Witenia and Paracricetodon

Diversification rates in Ctenodactylidae (Rodentia, Mammalia) from Mongolia

Locomotion and biomechanics in Eocene mammals from Messel

Oligocene and early Miocene mammal biostratigraphy of the Valley of Lakes in Mongolia

Introduction to the special issue “The Valley of Lakes in Mongolia, a key area of Cenozoic mammal evolution and stratigraphy”

Oligocene stratigraphy across the Eocene and Miocene boundaries in the Valley of Lakes (Mongolia)

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