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Fengjiahe Formation
The
Fengjiahe
Formation
is a
geological formation
in
China
. It
dates
back to the
Early Jurassic
. The
formation
is up to
1500 metres
thick
and consists of "purple-red
mudstone
and
argillaceous
siltstone
interbedded
with
gray-green
and
yellow-green
quartz sandstone
and
feldspathic
quartz
sandstone"
Fossil
content
Theropod
tracks
geographically
present in
Yunnan, China
.