Over the last years, the Simao region, southwestern Yunnan, China, turned out to be a very promising target to elucidate plate-tectonic processes around the Per
After the report of dinosaur footprints in the Early Cretaceous in 2000 (Li et al., 2000), we followed to unearth, investigate and research the footprints with
A total of four times of rhabdosome complication events, i.e., the lateral branching of graptolite stipes during the Late Middle Ordovician, the secondary branc
INAA (instrumental neutron activation analysis) was used to determine the contents of trace elements in coal samples from 11 workable Permian coal seams in Huai