Latitude: 43°38'5"N
Longitude: 117°42'0"E
黄岗梁锡铁矿, 克什克腾旗, 赤峰市, 内蒙古自治区, 中国
Skarn-type tin-iron deposit, occurring in the contact zone between carbonate rocks of the Early Permian Dashizai and Huanggangliang formations and a Cretaceous plagioclase granite intrusion (K-Ar isotopic age: 67-115 Ma). The ore bodies concentrate in two NE-trending belts at a transverse distance of 150-250m. At the contact, garnet diopside skarn and garnet amphibole biotite skarn are intensively developed. The ore minerals occur in masses, breccias, veinlets, and disseminations. Farther away from the contact, small veins occur in intraformational fissures in the skarn bodies. Late-stage sulphide minerals, amphibole, and epidote replace the skarn and early magnetite.
The deposit is genetically related to the
Anle deposit, which occurs in the contact aureole of the same intrusion. They form part of an ore belt along a major EW-trending fault zone, which also includes several skarn-type deposits that show a mineral association similar to Huanggang (e.g.
Sumugou and
Hujiadian).
The deposit is known for excellent and large (up to 20 cm) ilvaite crystals that came on the market around 2010. The locality is often erroneously given as "Baotou District" (Ottens, 2011).
Mindat Articles
China Minerals trip: HuangGang mine,Keshiketeng Qi,ChiFeng,Inner Mongolia,2011 J by XiaoJun Chen
Mineral List
37 entries listed. 28 valid minerals.
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References
- Jianzhong Feng (1992): The isotopic characteristics of polymetallic deposits from Huanggangliang to Meng'entaolegai, eastern Inner Mongolia. Liaoning Geology 6(2), 117-126.
- Daizo Ishiyama, Ryoji Sato, Toshio Mizuta, Yohei Ishikawa, and Jingbin Wang (2001): Characteristic Features of Tin-iron-copper Mineralization in the Anle-Huanggangliang Mining Area, Inner Mongolia, China. Resource Geology 51(4), 377-392.
- Wang, L.J., Shimazaki, H., and Shiga, Y. (2001): Skarns and Genesis of the Huanggang Fe-Sn Deposit, Inner Mongolia, China. Resource Geology 51(4), 359-376.
- Lijuan Wang, Hidehiko Shimazaki, Jingbin Wang, and Yuwang Wang (2001): Ore-forming fluid and metallization of the Huanggangliang skarn Fe-Sn deposit, Inner Mongolia. Science in China, Series D (Earth Sciences), 44(8), 735-747.
- Wang Lijuan, Wang Yuwang, Wang Jingbin, and Günther, D. (2006): Fluid mineralization of the Dajing Sn-polymetal deposit: Evidence from LA-ICP-MS analysis of individual fluid inclusions. Chinese Science Bulletin 51(22), 2781-2788.
- Changming Wang, Shouting Zhang, Jun Deng, Jianming Liu (2007): The exhalative genesis of the stratabound skarn in the Huanggangliang Sn-Fe polymetallic deposit of Inner Mongolia. Acta Petrologica et Mineralogica 26(5), 409-417.
- Zhenhua Zhou, Hongwei Liu, Guoxiong Chang, Linsu Li, Tao Li, Yongjun Yang, Ruijun Zhang, and Xianhe Ji (2011): Mineralogical characteristics of skarns in the Huanggang Sn-Fe deposit of Inner Mongolia and their metallogenic indicating significance. Acta Petrologica et Mineralogica 30(1).
- Ottens, B. (2011): Chinesisches Tagebuch (VII): Ilvait und andere Neufunde aus Nei Mongol. Lapis 36 (9), 27-33 (in German).
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