Dazhuangzi
Shandong, Jiaodong Peninsula (Jiaolai Basin, Yimu fault), China
Orogenic goldAu, Ag
- Type
- Orogenic Au-Ag veins (low-sulfidation epithermal in Table 2)
Jiaodong gold mine hosted in Lower Cambrian metamorphic rocks (Jingshan Group), with almost no Mesozoic granite in the mine; mineralisation at about 250 °C with phase separation (Liu et al., 2011). Coordinates not published.
δ109Ag in ‰ (per mil) Values of the same system
Standard : NIST SRM 978a
| Value | Range | n | Mineral or matrix | Source |
|---|---|---|---|---|
| 0.027 ± 0.057 ‰ | −0.014 / 0.067 ‰ | 2 | ore with galena, sphalerite, argentite Mean and standard deviation recalculated from 2 analyses, -0.014 to +0.067 (ZK23-12-H30 -0.014; ZK23-12-H32 +0.067). Detail (2σ, Ag content): ZK23-12-H30 ± 0.029 (Ag 109.32 µg/g); ZK23-12-H32 ± 0.071 (Ag 27.59 µg/g). | Dong et al. (2022), A preliminary study on silver isotopic composition in polymetallic or… |
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- Gounkoto Mali
- Massawa Senegal
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Cite this page
IsoFind Atlas (2026). Dazhuangzi, isotope signatures. https://www.isofind.tech/isotopes/en/deposits/dazhuangzi/ (accessed 2026-10-21).
@misc{isofind2026dazhuangziisotopesignatures,
title = {Dazhuangzi, isotope signatures},
author = {{IsoFind Atlas}},
year = {2026},
url = {https://www.isofind.tech/isotopes/en/deposits/dazhuangzi/},
note = {Accessed 2026-10-21}
}Updated : 2026-10-21