Emerald-bearing quartz and pegmatite veins, hosted in Cambrian metamorphic rocks at the eastern contact of the Yanshannian Laojunshan granite.
References:- Ottens, B. (2006): Smaragd aus Dayakou. Lapis 31(4), 13-20 (in German).
- Guang Xue and Marshall, D. (2007): Formational conditions for the Dyakou emerald occurrence, Southeastern Yunnan, China. 19th Biennial Conference on European Current Research on Fluid Inclusions (ECROFI-XIX), University of Bern (Switzerland), 17–20 July, 2007. Abstract Volume, p. 88.
- Groat, L.A., Giuliani, G., Marshall, D.D., and Turner, D. (2008): Emerald deposits and occurrences: A review. Ore Geology Reviews 34, 87-112.
-
http://www.shiyamc.com/en/News_show.asp?id=19 11 entries listed. 7 valid minerals.