3D Multi-Parameter Geological Modeling and Knowledge Findings for Mo Oxide Orebodies in the Shangfanggou Porphyry–Skarn Mo (–Fe) Deposit, Henan Province, China
Abstract
:1. Introduction
2. Geological Setting
2.1. Regional Geology
2.2. Deposit Geology
3. 3D Geological Modeling
3.1. 3D Lithology Modeling
3.2. 3D Structural Model
3.3. 3D Orebodies and Grade Modeling
4. Sampling and Analysis Methods
4.1. Sampling
4.2. SEM-EDS
4.3. EPMA
5. Discussion
5.1. Compositions
5.1.1. EPMA
5.1.2. SEM-EDS
5.2. Mineralization and Supergene Oxidation Process
6. Conclusions
Author Contributions
Funding
Data Availability Statement
Acknowledgments
Conflicts of Interest
References
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Stages | Minerals |
---|---|
Protolith | Dolomite, K-feldspar, plagioclase, quartz, biotite, ilmenite, wollastonite |
Late magmatism (silicification and potassic alteration) stage (1) | K-feldspar, quartz, biotite … |
Early skarn stage (2) | Garnet, diopside, forsterite … |
Late skarn stage (3) | Tremolite, magnetite, phlogopite, serpentine, calcite, actinolite, chlorite, talc, fluorite, serpentine … |
Hydrothermal stage (4) | Quartz, pyrite, molybdenite, K-feldspar, chalcopyrite, galena, sphalerite, epidote, scheelite, fluorite, pyrrhotite … |
Supergene stage (5) | Molybdite, ilsemannite, scheelite, limonite, tungsten–powellite … |
Points | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
F | / | / | / | / | / | / | / | / | / | / | / | / | / | / | / |
SiO2 | / | / | / | / | / | / | / | / | / | / | / | / | / | / | / |
WO3 | 12.59 | 32.40 | 32.24 | 14.11 | 23.93 | 17.32 | 11.21 | 17.67 | 28.22 | 30.08 | 27.38 | 18.55 | 29.50 | 25.17 | 31.76 |
SO3 | 1.66 | 1.26 | 1.41 | 1.49 | 1.33 | 1.64 | 1.48 | 1.49 | 1.18 | 1.24 | 1.19 | 1.45 | 1.34 | 1.35 | 1.93 |
Al2O3 | / | / | / | 0.02 | / | / | / | / | / | / | / | / | / | 0.02 | / |
MgO | / | / | / | / | / | / | / | / | / | / | / | 0.13 | / | / | / |
MoO3 | 58.51 | 40.91 | 40.65 | 57.55 | 48.86 | 53.66 | 60.03 | 54.21 | 43.81 | 42.54 | 45.56 | 51.85 | 43.74 | 47.59 | 39.80 |
CaO | 26.73 | 24.35 | 24.37 | 26.36 | 25.07 | 26.69 | 27.08 | 26.05 | 25.97 | 25.29 | 25.03 | 26.77 | 24.18 | 25.17 | 24.80 |
SeO2 | 0.10 | 0.63 | 0.66 | 0.14 | 0.51 | 0.26 | 0.13 | 0.31 | 0.44 | 0.77 | 0.64 | 0.34 | 0.54 | 0.60 | 0.63 |
FeO | 0.07 | 0.10 | 0.05 | 0.03 | 0.12 | 0.03 | / | 0.06 | 0.11 | 0.07 | 0.07 | 0.14 | 0.20 | 0.09 | 0.06 |
Cl | 0.16 | 0.08 | 0.11 | 0.19 | 0.15 | 0.14 | 0.13 | 0.16 | 0.14 | 0.10 | 0.12 | 0.13 | 0.14 | 0.12 | 0.07 |
MnO | / | / | 0.04 | / | / | / | / | / | 0.04 | 0.07 | 0.03 | 0.04 | / | / | / |
P2O5 | / | / | / | / | / | / | 0.06 | / | / | / | / | / | / | / | / |
CuO | / | / | / | / | / | / | / | / | / | / | / | / | / | / | / |
PbO | / | / | / | / | / | / | / | / | / | / | / | / | / | / | / |
TeO2 | / | / | / | / | / | / | / | / | / | / | / | / | / | / | / |
Total | 99.82 | 99.73 | 99.53 | 99.89 | 99.97 | 99.74 | 100.12 | 99.95 | 99.91 | 100.16 | 100.02 | 99.40 | 99.64 | 100.11 | 99.05 |
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Liu, Z.; Zuo, L.; Xu, S.; He, Y.; Wang, C.; Wang, L.; Yang, T.; Wang, G.; Zeng, L.; Mou, N.; et al. 3D Multi-Parameter Geological Modeling and Knowledge Findings for Mo Oxide Orebodies in the Shangfanggou Porphyry–Skarn Mo (–Fe) Deposit, Henan Province, China. Minerals 2022, 12, 769. https://doi.org/10.3390/min12060769
Liu Z, Zuo L, Xu S, He Y, Wang C, Wang L, Yang T, Wang G, Zeng L, Mou N, et al. 3D Multi-Parameter Geological Modeling and Knowledge Findings for Mo Oxide Orebodies in the Shangfanggou Porphyry–Skarn Mo (–Fe) Deposit, Henan Province, China. Minerals. 2022; 12(6):769. https://doi.org/10.3390/min12060769
Chicago/Turabian StyleLiu, Zhifei, Ling Zuo, Senmin Xu, Yaqing He, Chunyi Wang, Luofeng Wang, Tao Yang, Gongwen Wang, Linggao Zeng, Nini Mou, and et al. 2022. "3D Multi-Parameter Geological Modeling and Knowledge Findings for Mo Oxide Orebodies in the Shangfanggou Porphyry–Skarn Mo (–Fe) Deposit, Henan Province, China" Minerals 12, no. 6: 769. https://doi.org/10.3390/min12060769