Table 2 Elemental composition of gold artefacts found in Xigoupan M2
Sample | Object | Spot | Metal Elements (wt%) | |||
|---|---|---|---|---|---|---|
No | Au | Ag | Cu | |||
XGP 1769.7 | Gold plaque with reclining horses | Front | ① | 85.7 | 14.3 | – |
② | 81.3 | 18.7 | – | |||
③ | 89.2 | 10.8 | – | |||
④ | 91.0 | 9.0 | – | |||
Average | 86.8 | 13.2 | – | |||
Back | ① | 81.1 | 18.9 | – | ||
② | 81.8 | 18.2 | – | |||
③ | 81.5 | 18.5 | – | |||
④ | 85.0 | 15.0 | – | |||
Average | 82.3 | 17.7 | – | |||
XGP 1770.8 | Gold appliqué with deer | Front | ① | 79.6 | 18.9 | 1.5 |
② | 83.2 | 15.5 | 1.3 | |||
③ | 82.7 | 15.9 | 1.4 | |||
Average | 81.8 | 16.8 | 1.4 | |||
Back | ① | 78.1 | 20.6 | 1.3 | ||
② | 79.5 | 19.1 | 1.4 | |||
③ | 78.4 | 19.7 | 1.9 | |||
Average | 78.7 | 19.8 | 1.5 | |||
XGP 1776.14 | Gold appliqué with beasts facing one another | Front | ① | 91.0 | 9.0 | – |
② | 89.9 | 10.1 | – | |||
③ | 88.4 | 11.6 | – | |||
④ | 89.0 | 11.0 | – | |||
⑤ | 88.6 | 11.4 | – | |||
⑥ | 88.8 | 11.2 | – | |||
Average | 89.3 | 10.7 | – | |||
Back | ① | 88.3 | 11.7 | – | ||
② | 90.5 | 9.5 | – | |||
③ | 91.2 | 8.8 | – | |||
④ | 89.5 | 10.5 | – | |||
Average | 89.9 | 10.1 | ||||
XGP 1785.23 | Gold appliqué with a standing eagle | Front | ① | 90.1 | 9.9 | – |
② | 90.9 | 9.1 | – | |||
③ | 90.6 | 9.5 | – | |||
④ | 88.2 | 11.8 | – | |||
⑤ | 89.8 | 10.2 | – | |||
Average | 89.2 | 10.8 | ||||
Back | ① | 86.4 | 12.6 | 1.0 | ||
② | 90.4 | 9.6 | – | |||
③ | 93.2 | 6.0 | 0.8 | |||
④ | 89.3 | 10.7 | – | |||
⑤ | 90.9 | 9.1 | – | |||
Average | 90.0 | 9.6 | 0.4 | |||