Table 3. Locations and description of samples.

Sample ID	Sampling location	Depth (m)	Description	Replicate number
WS1	Nearby the tomb	5	WS1 was raw soil.	3
WS2	Robber hole near outer coffin	10	WS2 was caesious sludge soil formed by robbery.	3
WS3	Central point of whole coffin chamber near outer coffin	10	WS3 was undisturbed caesious mud called Qinggaoni usually found in Chu tomb.	3
WS4	Into the outer coffin	11	WS4 was outer coffin liquid.	3