Datangpo
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Location - China
Age (of protore) - 660 Ma
Original size - 0.2 million tonnes of Mn
References
Feng, L. J., Chu, X. L., Huang, J., Zhang, Q. R., & Chang, H. J. (2010). Reconstruction of paleo-redox conditions and early sulfur cycling during deposition of the Cryogenian Datangpo Formation in South China. Gondwana Research, 18(4), 632-637.
Chen, X., Li, D., Ling, H-F., Jiang, S-Y., 2008, Carbon and sulfur isotopic compositions of basal Datangpo Formation, northern Guizhou, South China: implications for depositional environment: Progress in Natural Science, v. 18, p. 421–429.
Li, C., Love, G.D., Lyons, T.W., Scott, C.T. , Feng, L-J., Huang, J., Chang. H-J., Zhang, Q-R., Chu, X-K., 2012, Evidence for a redox stratified Cryogenian marine basin, Datangpo Formation, South China: Earth Planetary Science Letters, v. 331–332 , p. 246–256.
Tang, S-Y., and Liu, T-B., 1999, Origin of the early Sinian Minle manganese deposit, Hunan Province, China: Ore Geology Reviews, v. 15, p. 71-78.
Zhu, K-J. and Yao, G-L., 2000, Geochemical Characteristics of Sinian Manganese Deposits in China: Acta Geologica Sinica, v. 74, p. 534-539.
Fan, D., Liu, T., Yang, P., & Ye, J., 1993, Occurrence of anthraxolite (bitumen) spheroids in Xiangtan-type manganese carbonate deposits of south China. In Bitumens in Ore Deposits: Springer Berlin Heidelberg, p. 447-458.
major elements - trace elements - rare-earth elements - REE normalized - isotopes
Major Elements, oxide percent
|
||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Lithology
|
Sample |
% |
% |
% |
% |
% |
% |
% |
% |
% |
% |
% |
MnO |
Fe2O3t |
SiO2 |
Al203 |
CaO |
MgO |
K2O |
Na2O |
TiO2 |
P205 |
LOI |
||
| avg ore | 39.9 |
2.65 |
8.21 |
2.32 |
5.72 |
2.98 |
0.51 |
0.44 |
0.37 |
0.18 |
34.9 |
|
| black, laminated ore | Fy474 | 38.9 |
3.36 |
10.53 |
2.6 |
5.81 |
1.6 |
0.63 |
0.48 |
0.35 |
0.19 |
33.4 |
| black, laminated ore | Fy475 | 40.8 |
2.54 |
10.16 |
2.62 |
6.73 |
2.42 |
0.32 |
0.45 |
0.43 |
0.15 |
31.1 |
| black, massive ore | Fy468 | 35.8 |
2.40 |
8.5 |
2.52 |
6.08 |
4.04 |
0.58 |
0.46 |
0.42 |
0.19 |
37.9 |
| black, massive ore | Fy471 | 44.2 |
2.32 |
3.66 |
1.54 |
4.27 |
3.84 |
0.49 |
0.35 |
0.28 |
0.2 |
37.2 |
| shale | SH07-07 | 0.17 |
5.77 |
6.29 |
0.13 |
2.19 |
0.63 |
0.05 |
3.60 |
|||
| shale | SH07-06 | 0.18 |
7.27 |
6.24 |
0.09 |
2.24 |
0.63 |
0.05 |
4.11 |
|||
| shale | SH07-04 | 0.12 |
5.83 |
6.12 |
0.26 |
1.79 |
0.71 |
0.22 |
4.86 |
|||
| shale | SH07-03 | 0.13 |
5.54 |
6.04 |
0.20 |
1.84 |
0.67 |
0.04 |
4.68 |
|||
| shale | SH07-02 | 1.77 |
5.96 |
5.73 |
0.19 |
1.83 |
0.60 |
0.06 |
4.74 |
|||
| shale | SH07-01 | 0.04 |
1.91 |
6.12 |
0.26 |
1.05 |
0.72 |
0.05 |
2.80 |
|||
| black shale | SH07-05 | 0.03 |
1.35 |
6.31 |
0.04 |
1.03 |
0.66 |
7.00 |
||||
Trace elements, ppm
|
|||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
ppm |
ppm |
ppm |
ppm |
ppm |
ppm |
ppm |
ppm |
ppm |
ppm |
ppm |
ppm |
ppm |
ppm |
ppm |
ppm |
ppm |
ppm |
ppm |
|
As |
Ba |
Cd |
Co |
Cr |
Cu |
Mo |
Nb |
Ni |
Pb |
Rb |
Sc |
Sr |
Th |
U |
V |
Y |
Zn |
Zr |
SH07-07 |
1354 | 0.00 | 15.9 | 30 | 0.00 | 37.0 | 11.6 | 1.0 | |||||||||||
| SH07-06 | 1308 | 0.08 | 43.4 | 69 | 0.63 | 49.4 | 14.4 | 1.7 | |||||||||||
| SH07-04 | 1384 | 0.01 | 20.1 | 46 | 3.23 | 38.1 | 13.2 | 1.3 | |||||||||||
| SH07-03 | 1313 | 0.00 | 17.7 | 44 | 2.18 | 26.2 | 11.1 | 0.7 | |||||||||||
| SH07-02 | 1261 | 0.48 | 37.0 | 43 | 1.55 | 36.7 | 11.7 | 1.5 | |||||||||||
| SH07-01 | 1311 | 0.00 | 3.9 | 8.9 | 2.71 | 3.9 | 11.5 | 1.4 | |||||||||||
| SH07-05 | 1194 | 0.05 | 0.5 | 6.5 | 31.9 | 5.5 | 13.6 | 2.6 | |||||||||||
blank or nr = not reported; bd = below detection
Rare-earth elements, ppm
|
||||||||||||||
Sample |
La |
Ce |
Pr |
Nd |
Sm |
Eu |
Gd |
Tb |
Dy |
Ho |
Er |
Tm |
Yb |
Lu |
Rare-earth elements, normalized to chondritic values of Taylor & McLennan (1992) |
|||||||||||||||
Sample |
LaN |
CeN |
PrN |
NdN |
SmN |
EuN |
GdN |
TbN |
YbN |
Ce/Ce* |
Eu/Eu* |
LaN/YbN |
|||
Isotopes |
||||||||||
Sample |
%C carb | %C org | δ13C pdb, calcite | δ13C pdb, rhodochrosite | δ18O pdb, calcite | δ18O pdb, rhodochrosite |
δ18O smow, calcite | δ18O smow, rhodochrosite | %S total | δ34S sulfide |
| Average | 0.6 | |||||||||
| Fy474 | 0.78 | |||||||||
| Fy475 | 0.56 | |||||||||
| Fy468 | 0.52 | |||||||||
| Fy471 | 0.42 | |||||||||
| SH07-07 | -10.7 | |||||||||
| SH07-06 | ||||||||||
| SH07-04 | ||||||||||
| SH07-03 | ||||||||||
| SH07-02 | -8 | |||||||||
| SH07-01 | -10 | |||||||||
| SH07-05 | -10 | |||||||||
| Black shale | ||||||||||
| Black shale | ||||||||||
| Siltstone | ||||||||||
| Siltstone | ||||||||||
| Siltstone | ||||||||||
| Massive rhodochrosite | ||||||||||
| Massive rhodochrosite | ||||||||||
| Massive rhodochrosite | ||||||||||
| Massive rhodochrosite | ||||||||||
| Rhodochrosite | ||||||||||
| Rhodochrosite | ||||||||||
| Banded rhodochrosite | ||||||||||
Map and stratigraphic section for Minle and related deposits Feng et al 2010
