Exploring pottery origin by composition and technique comparison: a case study at the Daqu burial site, Beijing, China

Heritage Science

Table 1 Sample description

Sample No	Tomb Code	Sampling Position	Period	Quality	Chromatic Value
Sample No	Tomb Code	Sampling Position	Period	Quality	Cross section position	L*	a*	b*
Sample 1	DAM1	Window frame from a pottery tower	Eastern Han	Fine	Surface	58.57	1.29	10.77
Sample 1	DAM1	Window frame from a pottery tower	Eastern Han	Fine	Core	40.29	0.05	3.62
Sample 2	DAM23	Fragment of pottery tower	Kingdom of Wei	Fine	Surface	47.45	0.38	3.78
Sample 2	DAM23	Fragment of pottery tower	Kingdom of Wei	Fine	Core	40.54	0.24	3.94
Sample 3	DAM28	Alary part from pottery tower roof	Kingdom of Wei	Fine	Surface	43.15	1.63	7.58
Sample 3	DAM28	Alary part from pottery tower roof	Kingdom of Wei	Fine	Core	48.58	0.54	4.04
Sample 4	DAM5	Fragment of unknow painted ceramic	Eastern Han	Fine	Surface	56.47	2.21	12.46
Sample 4	DAM5	Fragment of unknow painted ceramic	Eastern Han	Fine	Core	52.20	0.76	7.07
Sample 5	DAM28	Fragment from an ellipse-type dish	Kingdom of Wei	Coarse	Surface	51.22	10.52	21.41
Sample 5	DAM28	Fragment from an ellipse-type dish	Kingdom of Wei	Coarse	Core	41.73	5.75	13.14

L*:0/100: Black/White; a*:0/ − 60: Green; 0/ + 60: Red; b*:0/ − 60: Blues; 0/ + 60:Yellow