Type	Region
	Layer	Tsingyuan Fm., up. Mb., bed 10,lower pt.
	Layer	Tsingyuan Fm., up. Mb., bed 10,upper pt.
	Layer	Tsingyuan Fm., up. Mb., bed 12,lower pt.
	Layer	Tsingyuan Fm.,low. Mb., bed 2, lower pt.
	Layer	Tsingyuan Fm.,low. Mb., bed 2, upper pt.
	Layer	Tsingyuan Fm.,mid. Mb., bed 9, upper pt.