From: Correlation study on firing temperature and color of plain pottery excavated from the Tang Dynasty tomb of Liu Jing in Shaanxi, China
Sample
Na2O
MgO
Al2O3
SiO2
K2O
CaO
TiO2
Fe2O3
Loess
0.55
1.85
15.51
65.69
2.59
9.11
0.52
4.19
(0.04)
(0.12)
(0.29)
(0.77)
(0.20)
(0.50)
(0.23)
(0.84)