Jiaguan
56 occ.
23 taxa (7 genera)
1 countries
Description
The Jiaguan Formation is a Lower Cretaceous geologic formation in China. Its lithology is described as consisting of "alternating thick purple red sandstone layers and thin purple red mudstone and siltstone layers, and bottom layers of thick conglomerate". Fossil ornithopod tracks have been reported from the formation.
Genera
7 genera
Temporal range
252
201
145
66
0 Ma
Geological group / Member
Chiating
41
Chiating / Upper
9
Chiating / Lower
4
Upper
2
Top countries
🇨🇳 China
56
Depositional environments
Terrestrial indet.
34
Fluvial indet.
12
Eolian indet.
8
Wet floodplain
2
Top collectors
L. Xing
25
T. Xu
12
Xing
4
Peng
4
Ye
4
Sichuan Geology and Mineral Exploration and Development Bureau
3
Land and Resources Bureau of Qijiang District
2
X. Ting
2
Y. Rui
2
R. Zeng
2
S. Cai
2
X. Luo
2
Collection activity by decade
1840s
4
1980s
7
1990s
1
2000s
52
2010s
51
2020s
3