Mazegou Fm
Type Locality and Naming
The type section is located at an east-west gully (E112°49′, N37°03′) between the villages of Baihai and Zhaozhuang, about 12 km west of Yushe County, Shanxi Province. It was named by Qiu et al. (1987).
Lithology and Thickness
The Mazegou Fm is characterized by a series of yellow sandstones interbedded with purplish-red clays, which are gradually changing into purplish-red clays. It contains abundant mammalian fossils. Its thickness is in range of 180~200 m.
Relationships and Distribution
Lower contact
In the type section, the Mazegou Fm unconformably contacts with the underlying Lower Pliocene Gaozhuang Fm.
Upper contact
In the type section, the Mazegou Fm is unconformably overlain by the Lower Pleistocene Haiyan Fm.
Regional extent
The formation is restricted in area of Zhaozhuang, Damalan, Xiaomalan, and Louzeyu，in the Yushe Basin, Shanxi Province.
GeoJSON
Fossils
Mammals: cf. Erinaceus sp., cf. Blarinoides, Pleisorex pliocaenicus, Yanshella primaeva, Scaptochirus sp., ?Alilepus annectens, Hypolagus schreuderi, Ochotonoides complicidens, Ochotona lagrelli, Pliopetaruista rugose, Dipoides majori, Hystrix sp., Dipus fraudator, Rhizomys shansius, ?Cricetulus sp., Mesosiphneus paratngi, Germanomys sp., Mimomys irthshensis, Micromys tedfordi, Chardinomys nihowanicus, Apodemus Zhangwugouensis, Vulpes beihaiensis, Nycterutes tingi, N. sinensis, Eucyon zhoui, E. davisi, Canis chihliensis, Agriotherium sp., Ursus sp., ? Parameles suillus, Enhydriodon aonychoides, Promephitis sp., ?Pannonictis sp., Vormela prisca, Martes zdanskyi, ?Meles chiai, Chasmaporthetes kani, Chasmaporthetes cf. C. ossifragus, Pachycrocuta orientalis, P. pyrenaica, P. perrieri, Crocuta honanensis, Megaviverra sp., Homotherium hengduanshanense, Metailurus major, M. parvulus, Lynx shansius, Felis peii, Panthera sp., Sivapanthera sp., Sinomastodon intermedius, Anancus sinensis, ?Mammuthus meridionalis, Postschizotherium itermedium, Hipparion houfenense, H. huangheense, ?Proboscidipparion pater, P. sinense, Shansirhinus ringstroemi, Dihoplus sp., Sus sp., Paracamelus gigas, Paracervulus bidens, Muntiacus lacustris, Axis shansius, ?Palaeotragus sp., Antilospira licenti, Gazella sinensis, G. yusheensis, G. blacki, Sinocapra minor, Megalovis sp., Lyrocerus satan, Ovis yushensis, ?Bison palaeosinensis (Tedford et al., 1991; Qiu and Qiu, 1995; Flynn et al., 1997).
Age
Depositional setting
It is interpreted as a river-lake environment.
Additional Information