Molango

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Location - Mexico

Age (of protore) - 156 Ma

Original size - 46 million tonnes of Mn

References

Liu, T-B. , 1988, C-S-Fe Correlation of Shales Hosting Sedimentary Manganese Deposits. Unpublished PhD Dissertation, University of Cincinnati, Cincinnati, OH.

Liu, T-B. , 1990, C-S relationships in shales hosting manganese ores from Mexico, China, and Newfoundland; implications for depositional environaent and mineralization: Ore Geology Reviews, v. 5, p. 325-340.

Liu, T-B., Maynard, J.B., and Alten, J., 2006, Superheavy S isotopes from glacier-associated sediments of the Neoproterozoic of south China: Oceanic anoxia or sulfate limitation?, in Kesler, S.E., and Ohmoto, H., eds., Evolution of Early Earth's Atmosphere, Hydrosphere and Biosphere--Constraints from Ore Deposits: Boulder CO, Geological Society of America, Memoir 198, p. 205-222.

Okita, P. M. , 1987, Geochemistry and mineralogy of the Molango manganese orebody, Hidalgo State, Mexico. Unpublished PhD dissertation, University of Cincinnati, Cincinnati, OH.

Okita, P.M., 1992, Manganese carbonate mineralization in the Molango District, Mexico: Economic Geology, v. 87, p. 1345-1366.

Okita, P.M., and Shanks, W.C., 1992, Origin of stratiform sediment-hosted manganese carbonate ore deposits: Examples from Molango, Mexico and Taojiang, China: Chemical Geology, v. 99, p. 139-164.

Okita, P. M., Maynard, J. B., Spiker, E. C., and Force, E. R., 1988, Isotopic evidence for organic matter oxidation by manganese reduction in the formation of stratiform manganese carbonate ore: Geochimica et Cosmochimica Acta, v. 52, p. 2679-2685.

 

major elements - trace elements - rare-earth elements - REE normalized - isotopes

Major Elements, oxide percent

 

 

 

%

%

%

%

%

%

%

%

%

%

%

MnO
Fe2O3t
SiO2
Al203
CaO
MgO
K2O
Na2O
P205
TiO2
LOI

Average

 

Mn carb
36.4 8.5 11.4 2.7 5.2 8.5 0.2 0.0 0.1 0.1 29.1
T1+0.45 Mn ore 47.5 4.03 4.06 b.d. 0.01 30.2
T1+0.50 Mn ore 41.8 3.93 3.5 b.d. 0.02 30.5
T1+5.9 Mn ore 38.4 4.99 4.9 b.d. 0.03 28.8
T1+4.0 Mn ore 38.1 6.31 2.52 b.d. 0.02 27.6
T2+15 Mn ore 37.9 6.38 5.46 b.d. 0.03 29.6
T1+3.0 Mn ore 36.7 7.86 2.8 b.d. 0.02 27.9
T1+4.5  Mn ore 36.3 11.0 12.0 2.79 2.19 8.79 0.00 0.00 0.07 0.14 27.4
T2+10 Mn ore 36.3 8.72 3.5 b.d. 0.02 28.2
T1+2.5  Mn ore 35.9 13.5 10.8 2.59 2.64 8.23 0.01 0.01 0.09 0.13 26.6
T2+7 Mn ore 35.8 7.33 4.76 b.d. 0.02 28.3
T2+4 Mn ore 34.7 12 2.66 b.d. 0.02 28.0
T1+3.4 Mn ore 34.4 14.48 2.38 b.d. 0.01 26.3
AC+4 Mn ore 34.3 6 13.01 0.45 0.04 34.2
AC+1.8 Mn ore 34.1 5.62 11.75 b.d. 0.05 33.5
T2+1 Mn ore 34.0 12.01 2.66 b.d. 0.02 28.4
T1+2.5 Mn ore 31.0 14.44 na na 3.5 na b.d. 0.02 na na 26.0
AC0 Mn ore 30.9 5.43 15.39 b.d. 0.05 33.1
T2+18 low-grade Mn ore 21.3 14.1 13.99 b.d. 0.04 18.4
T2+50 low-grade Mn ore 20.0 9.18 15.39 0.47 0.2 23.7
AC-0.3  shale 2.6 4.64 33.3 6.84 17.2 6.70 1.32 0.18 0.29 0.10 27.5

 

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
avg 23.8 47.6 na 138.2 15.1 7.0 1.5 1.5 55.2 6.0 10.8 2.0 99.1 1.3 1.1 66.5 8.6 35.9 14.6
T1+0.45 67.9 25 310 7.5 b.d. 140 b.d. b.d. 0.79 60 0.63 0.5 15 b.d.
T1+0.50 12.0 38 460 17 b.d. 240 b.d. b.d. 1.8 94 1.4 0.96 65 b.d.
T1+5.9 14.0 33 0.21 b.d. b.d. 16 b.d. b.d. 2.23 81 1.3 0.87 20 b.d.
T1+4.0 13.0 37 83 16 b.d. 42 b.d. b.d. 2.38 65 1.42 1.2 40 b.d.
T2+15 3.2 36 9 19 b.d. 21 b.d. b.d. 2.84 91 1.68 0.81 40 b.d.
T1+3.0 35.0 25 76 17 b.d. 35 b.d. b.d. 2.28 67 1.33 1.1 25 b.d.
T1+4.5  24.3 8 1 1 79 6 <0.2 38.6 1.4 1.8 77 9 41 16.3
T2+10 36.4 59 110 16 b.d. 34 b.d. b.d. 2.4 100 1.5 0.98 40 b.d.
T1+2.5  na 65.2 na na 6 2 2 40 6 b.d. na 41.2 1.4 1.46 56 8.2 54 12.9
T2+7 38.0 47 120 9.5 b.d. 23 b.d. b.d. 1.49 100 0.95 0.6 20 b.d.
T2+4 41.3 72 180 21 b.d. 41 b.d. b.d. 2.77 94 1.83 1.5 70 b.d.
T1+3.4 9.4 25 85 14 b.d. 38 b.d. 16 1.93 64 1.3 1.3 20 b.d.
AC+4 9.6 77 93 9 b.d. 33 b.d. 8.8 1.64 160 0.92 0.78 30 b.d.
AC+1.8 9.6 78 43 10 b.d. 30 b.d. 11 1.47 170 0.99 0.78 30 b.d.
T2+1 18.0 69 230 21 b.d. 51 b.d. b.d. 2.6 120 1.6 1.7 25 b.d.
T1+2.5 43.0 25 200 19 b.d. na na 40 b.d. b.d. 2.61 na 1.7 1.4 na na na na
AC0 6.5 74 74 16 b.d. 35 b.d. 7.5 1.42 240 0.94 0.83 40 b.d.
T2+18 140 85 80 9.5 b.d. 29 b.d. b.d. 2.18 340 1.1 0.63 35 b.d.
T2+50 37.0 30 63 18 b.d. 41 b.d. 22 3.16 380 2 1 25 b.d.
AC-0.3  233 25 16 4 131 16 56 331 3.9 3.07 67 19.9 287 82.9

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
avg 8.3 13.0 2.4 6.6 1.4 0.3 1.9 0.2 1.5 0.3 0.9 0.1 0.6 0.1
T1+0.45 4.3 6.4 2.4 0.62 0.16 0.10 0.26 0.024
T1+0.50 5.8 8.3 4.6 0.93 0.19 0.16 0.36 0.055
T1+5.9 9.1 13.6 6.8 1.37 0.24 0.21 0.63 0.085
T1+4.0 8.1 12.8 6.3 1.31 0.27 0.19 0.58 0.080
T2+15 6.5 11.3 5.7 1.26 0.26 0.20 0.63 0.086
T1+3.0 7.9 11.7 6.0 1.29 0.31 0.20 0.50 0.075
T1+4.5  13.2 19.7 2.53 10.3 1.8 0.44 2.02 0.31 1.6 0.33 0.94 0.13 0.8 0.11
T2+10 7.4 12.3 5.9 1.35 0.29 0.19 0.57 0.072
T1+2.5  10.4 16.5 2.17 8.7 1.6 0.41 1.72 0.26 1.37 0.28 0.76 0.09 0.7 0.18
T2+7 9.5 14.9 8.8 1.46 0.29 0.22 0.65 0.085
T2+4 9.0 14.4 7.3 1.46 0.34 0.25 0.60 0.088
T1+3.4 10.0 16.7 9.0 2.01 0.39 0.33 0.75 0.099
AC+4 6.6 11.1 5.7 1.17 0.26 0.17 0.49 0.069
AC+1.8 5.7 9.2 4.4 1.00 0.23 0.15 0.41 0.048
T2+1 10.6 15.6 7.3 1.60 0.34 0.24 0.70 0.077
T1+2.5 11.1 17.1   8.5 1.86 0.43   0.28         0.75 0.100
AC0 5.7 9.4 5.0 1.05 0.28 0.16 0.41 0.059
T2+18 10.9 17.5 7.5 1.54 0.35 0.22 0.57 0.075
T2+50 13.2 17.6 11.0 2.04 0.44 0.32 0.76 0.110
AC-0.3  23.3 37 4.9 20.3 3.8 0.84 4.16 0.62 3.39 0.69 2 0.26 1.8 0.26

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
 
avg 22.59 13.58 12.4 9.32 5.89 3.47 4.35 3.67 2.32 0.81 0.69 9.77
0.8312
0.6877
 
T1+0.45 11.7 6.7 5.1 3.4 2.7 1.8 1.97 1.7 1.0 0.864 0.799 11.18
 
T1+0.50 15.8 8.7 8.7 6.5 4.0 2.2 3.13 2.8 1.5 0.739 0.616 10.89
 
T1+5.9 24.8 14.2 13.1 9.6 5.9 2.8 4.27 3.6 2.5 0.787 0.548 9.76
T1+4.0 22.1 13.4 12.0 8.9 5.7 3.1 3.93 3.3 2.3 0.821 0.657 9.44
T2+15 17.7 11.8 10.4 8.0 5.5 3.0 4.02 3.4 2.5 0.868 0.638 6.97
T1+3.0 21.5 12.2 11.5 8.4 5.6 3.6 4.05 3.4 2.0 0.776 0.749 10.68
T1+4.5  36.0 20.6 18.5 14.5 7.8 5.1 6.6 5.3 3.2 0.799 0.705 11.15
T2+10 20.2 12.9 11.2 8.3 5.8 3.3 3.97 3.3 2.3 0.857 0.692 8.77
T1+2.5  28.3 17.2 15.8 12.2 6.9 4.7 5.6 4.5 2.8 0.814 0.755 10.04
T2+7 26.0 15.6 15.8 12.4 6.3 3.3 4.50 3.8 2.6 0.768 0.625 9.91
T2+4 24.5 15.0 13.7 10.3 6.3 3.9 4.90 4.3 2.4 0.820 0.702 10.14
T1+3.4 27.2 17.5 16.3 12.7 8.7 4.5 6.56 5.7 3.0 0.827 0.594 9.00
AC+4 18.0 11.6 10.5 8.0 5.1 3.0 3.52 2.9 2.0 0.844 0.708 9.10
AC+1.8 15.5 9.6 8.41 6.2 4.3 2.6 3.07 2.6 1.7 0.841 0.726 9.39
T2+1 28.9 16.3 14.5 10.3 6.9 3.9 4.91 4.1 2.8 0.797 0.670 10.23
T1+2.5 30.2 17.9 16.3 12.0 8.1 4.9 5.73 4.8 3.0 0.805 0.728 10.00
AC0 15.5 9.8 9.2 7.0 4.5 3.2 3.26 2.8 1.7 0.821 0.836 9.39
T2+18 29.7 18.3 14.9 10.5 6.7 4.0 4.58 3.8 2.3 0.869 0.728 12.92
T2+50 36.0 18.4 20.5 15.5 8.8 5.1 6.45 5.5 3.1 0.677 0.670 11.74
AC-0.3  63.5 38.7 35.8 28.6 16.5 9.7 13.6 10.7 7.3 0.811 0.646 8.75

Isotopes

Sample
Lithology TC % TOC % Sulfide S % HCl soluble Fe % FeII % Pyrite Fe Total Reactive Fe DOP Mn % CO2 % δ13C pdb δ18O pdb δ18O smow Stotal % δ34S sulfide Carbonate composition EPMA
Tetzintla                  
T1+223.5 LS 9.66 0.5 0.36 9.43 4.35 0.31 9.74 0.032
T1+171 LS 8.54 0.43 0.24 0.32 0.05 0.21 0.53 0.395
T1+165.5 LS bd -1.09 -4.70 26.0 Ca100
T1+165 LS bd 2.30 -4.00 26.7 Ca100
T1+162.5 LS bd 2.44 -4.50 26.2 Ca100
T1+161.5 LS 10.36 0.25 0.15 0.23 0.04 0.13 0.36 0.362
T1+152.8 LS bd 2.54 2.00 32.9 Ca100
T1+151.8 LS 9.12 1.81 1.38 0.72 0.05 1.20 1.92 0.625
T1+140.9 LS bd 2.36 -4.80 25.9 Ca100
T1+140.6 LS 7.7 0.28 0.29 0.4 0.05 0.25 0.65 0.387 bd 2.35 -5.20 25.5 Ca100
T1+135 BSh 7.5 2.39 1.69 2.06 0.22 1.47 3.53 0.417
T1+130.6 LS 7.55 0.99 1.31 0.38 0.02 1.14 1.52 0.750
T1+124 LS 8.41 0.89 2.54 0.41 0.17 2.21 2.62 0.844
T1+120.7 LS bd 2.40 5.90 36.9 Ca100
T1+102.6 LS 7.28 3.32 1.75 0.51 0.01 1.52 2.03 0.749
T1+101 BSh 7.05 1.74 2.75 0.56 0.04 2.40 2.96 0.811
T1+94.5 LS bd 1.00 -6.10 24.6 Ca100
T1+87.9 LS 8.18 1.39 2.55 0.36 0.05 2.22 2.58 0.861 bd 1.01 6.60 37.7 Ca100
T1+78.1 LS 0.5 0.75 -6.70 24.0 Ca97Mn03
T1+71.5 LS 8.26 1.24 2.09 0.41 0.02 1.82 2.23 0.816 1.5 1.19 -5.90 24.8 1.38 -19.4 Ca100
T1+64.9 LS 0.5 0.77 -6.60 24.1 Ca100
T1+58.4 BSh 5.9 3.16 2.88 0.26 0.01 2.51 2.77 0.906 0.5 -0.20 -6.70 24.0 Ca100
T1+55.1 LS 2 -1.52 -6.50 24.2 Ca100
T1+51.81 LS 1 -1.23 -5.80 24.9 0.32 -7.5 Ca100
T1+51.8 LS 1 -1.29 -7.60 23.0 Ca100
T1+47.91 LS 2.5 0.87 -5.60 25.1 Ca82Mn11
T1+47.9 LS 2.5 1.71 2.00 32.9
T1+45.3 LS 10.36 0.91 0.44 0.2 0.04 0.38 0.58 0.657 1.5 -19.4 -4.80 25.9 0.32 -14.4 Ca94Mn03
T'1+38.7 LS 8.38 1.01 1.26 0.51 0.07 1.10 1.61 0.683
T1+35.4 LS 5 -1.22 -5.30 25.4 Ca77Mn19
T1+33.8 LS bd 1.07 -6.00 24.7 Ca100
T1+32.1 BSh 9 -1.04 -5.30 25.4 1.67 -30.2
T1+28.5 LS 6 0.06 -2.90 27.9
T1+27.8 LS 7.5 -0.35 -3.90 26.8 0.87 4.3
T1+27.5 BSh 1.67 0.9 1.38 0.51 0.05 1.20 1.71 0.702
T1+26.95 LS 8 -13.7 -5.40 25.3 Ca100
T1+26.7 LS 8.5 -0.68 -5.50 25.2
T1+26.5 LS 8.5 -7.09 -5.20 25.5 Ca78Mn18
T1+25.6 LS 7.5 -1.93 -4.90 25.8 -22.6
T1+22.3 LS 7.37 0.73 3.29 1.81 0.2 2.87 4.68 0.613 5.5 -2.11 -4.60 26.1 1.70 12.5
T1+22.2 BSh 2.74 0.88 0.45 0.83 0.12 0.39 1.22 0.321
T1+21.7 LS 7.87 0.44 0.54 0.7 0.17 0.47 1.17 0.402 6 26.80 -5.20 5.50 36.5 Ca100+Ca53Mn47
T1+19 LS 8.24 0.97 0.94 0.88 0.08 0.82 1.70 0.482 7 -4.13 -0.50 30.3 Ca61Mn34
T1+12.5 LS 8.46 0.92 0.95 3.56 2.04 0.83 4.39 0.189 7 30.80 -5.56 -3.60 27.1 0.48 12.3 Mn84Ca16+Ca58Mn42
T1+10.9 LS bd 1.17 -6.30 24.4 2.34 -26.8 Ca100
T1+08.9 LS 9 0.63 0.38 0.91 0.7 0.33 1.24 0.267
T1+08.5 MN_ORE 0.52 -7.20 23.4 0.16 -0.6 Mn84Cal6+Ca58Mn42
T1+05.9 MN_ORE 7.55 0.66 0.15 4.31 1.5 0.13 4.44 0.029 30 30.62 -7.93 -5.00 25.7 0.06 -21.6 Mn88Ca12+Ca84Mn16
T1+04.5 MN_ORE 7.25 1.04 0.1 8.42 3.3 0.09 8.51 0.010 30 -16.3 -3.00 27.8 0.10 4.6 Mn100
T1+04.0 MN_ORE 7.03 0.79 0.38 5.48 2.84 0.33 5.81 0.057 30 32.52 -1.58 -4.30 26.4 0.06 -5.3 Mn100
T1+03.4 MN_ORE 7.35 0.93 0.12 5.69 2.41 0.10 5.79 0.018 30 31.77 13.08 -4.10 26.6 0.71 2.1 Mn100
T1+03.0 MN_ORE 7.26 0.46 0.36 4.43 1.73 0.31 4.74 0.066 30 32.03 -12.6 -2.90 27.9 0.10 8.0 Mn100
T1+02.5(=WR2) MN_ORE 6.58 0.96 0.1 4.16 2.29 0.09 4.25 0.021 27.8 30.23 -15.4 -3.30 27.5 0.26 8.3 Mn100
T1+02.0 MN_ORE 7.73 1.06 0.05 11.12 5.56 0.04 11.16 0.004 27.8 28.78 -5.63 -3.20 27.6 0.42 6.7 Mn100+Ca100
T1+01.5 MN_ORE 8.85 0.54 1.02 0.95 0.42 0.89 1.84 0.483 27.8 34.45 14.81 11.3 Mn100
T1+00.5 MN_ORE 11.06 1.13 0.11 5.81 0.8 0.10 5.91 0.016 18 28.64 -11.7 -3.20 27.6 0.16 -1.2 Mn100
T1+00.45 MN_ORE 6.01 0.31 5.93 4.54 1.3 5.17 9.71 0.532 18 22.13 11.64 10.7 (Mn,Fe,Mg,Ca)C03+FeS2
T1+00.1 LS 10.19 0.94 0.88 0.3 0.15 0.77 1.07 0.719 2 36.12 5.43 0.20 31.1 0.80 -34.9 dolomite
T1+00.01 BSh 6.87 2.43 9.27 1.17 0.13 8.07 9.24 0.873 2 25.21 0.92 -6.20 24.5 3.53 -34.9 Ca100
T1-00.1 BSh 6.02 2.11 5.78 0.62 0.12 5.03 5.65 0.890 20.06 -3.90 -5.90 24.8 1.60 6.7 Ca100
T1-03.9 BSh 6.11 1.54 3.48 0.66 0.27 3.03 3.69 0.821 15.75 0.12 -7.40 23.2 1.38 -35.5 Ca100
T1-07.2 BSh 5.47 2.01 3.17 0.88 0.31 2.76 3.64 0.758
T1-13.8 BSh 5.55 1.45 2.73 0.89 0.33 2.38 3.27 0.728 20.06 0.26 -24.0 Ca100
T1-17.1 BSh 5.86 1.77 3.06 1.29 0.31 2.67 3.96 0.674
T1-19.0 LS 7.65 1.04 2.87 0.78 0.21 2.50 3.28 0.762 32.78 0.84 -6.20 24.5 2.31 -30.8 Ca100
T1-20.3 BSh 5.35 2.27 3.79 1.05 0.15 3.30 4.35 0.759 14.08 1.03 -6.70 24.0 2.18 -35.5 Ca100
T1-20.35 BSh 1.99 0.88 8.68 2.8 0.41 7.56 10.36 0.730
T1-20.4 BSh 5.29 2.23 3.01 1.2 0.37 2.62 3.82 0.686
T1-24.9 BSh 6.21 1.36 2.54 0.69 0.47 2.21 2.90 0.762 22.53 1.19 -6.50 24.2 1.70 -29.4 Ca100
T2+41.5 LS 0.63 -2.7 Ca87Mn13
T2+36.88 LS 0.63 Ca93Mn07
T2+33.5 LS 0.67 -31.6 Ca82Mn18
T2+28.96 MN-LS 0.68 -29.3 Ca77Mn23
T2+19.8 MN-LS 6.21 -8.17 -3.30 27.5 0.75 19.7 Ca67Mn33+Mn79Ca21
T2+15.24 MN_ORE 5.13 -13.6 -0.3 Mn94Ca06
T2+10.67 MN_ORE 4.98 -7.80 -15.7 14.7 0.62 -1.4 Ca68Mn32
T2+07.6 MN_ORE 5.96 -2.84 -4.70 26.0 0.4 -1.0 Ca85Mn15
T2+04.6 MN_ORE 6.1 -8.22 -2.90 27.9 0.03 -8.4 Mn86Ca14
T2+03.7 LS 1.79 -0.63 -7.50 23.1 0.18 -28.0 Ca100
T2+03.05 MN_ORE 5.79 -10.3 -2.00 28.8 0.02 -23.9 Mn91Ca0.9
T2+00.3 MN_ORE 4.8 -14.5 -2.80 28.0 0.02 -0.7 Mn100
T2-07.3 BSh 2.6 -0.91 -7.40 23.2 0.72 -32.0 Ca100
T2-09.1 BSh 2.42 -0.03 -7.00 23.6 0.25 -27.6 Ca100
T2-12.8 BSh 2.99 -0.32 7.20 38.3 0.42 -29.6 Ca100
Acoxcatlan
ACO+2.45 MN_LS 8.06 -3.43 5.80 36.8 Ca57Mn43+Ca69Mn31
ACO+2.44 MN_LS 8.31 -3.90 0.30 31.2 1.8 8.4 Ca52Mn48+Ca89Mn11
ACO+2.4 MN_ORE 7.72 -6.20 -4.30 26.4 Mn91Ca09+Ca55Mn45
ACO+2.1 MN_ORE 7.86 -4.87 -5.00 25.7 0.08 11.4 Ca5IMn49+Mn88Ca12
ACO+1.8 MN_ORE 7.57 -5.95 -4.20 26.5 0.02 Mn90Ca10+Ca56Mn44
ACO+1.22 MN_ORE 7.69 -5.13 -4.50 26.2 0.1 6.4 Mn90Ca10+Ca58Mn42
ACO+0.1 MN_ORE 7.51 -5.50 -4.20 26.5 0.23 5.0 Mn92Ca08+Ca52Mn48
ACO+0 MN_ORE 7.89 -5.78 -4.10 26.6 0.07 7.9 Mn91Ca09+Ca52Mn48
ACO-1.22 BSh 4.72 -1.03 -8.10 22.5 0.68 -31.5 Ca100+dolomite
ACO-0.87 BSh 3.66 -0.48 -7.70 22.9 Ca100+dolomite
ACO-0.61 BSh 2.79 -0.97 -8.60 22.0 0.8 -34.9 Ca100+dolomite
ACO-0.27 BSh 2.53 -1.38 -8.50 22.1 Ca100+dolomite
Nonoalco
NON+18.29 MN_LS 0.63 -24.9 Ca57Mn43+Ca77Mn23
NON+15.24 MN_LS 5.92 -3.77 -8.20 22.4 0.88 5.5 Ca57Mn43+Ca77Mn23
NON+9.14 MN_LS 4.38 -4.95 -8.00 22.6 1.1 -6.0 Ca52Mn48+Ca95Mn05
NON+8.12 MN_LS 7.42 -5.42 -7.60 23.0 0.13 -2.8 Ca67Mn33+Mn91Ca09
NON+7.62 MN_ORE 4.36 -5.09 -7.90 22.7 1.85 -10.4 Mn55Ca45+Ca87Mn13
NON+7.57 MN_LS 1.97 -5.29 -7.50 23.1 0.22 Ca67Mn33+Mn91Ca09
NON+6.1 LS 4.34 0.01 -4.70 26.0 <0.02 -5.8 Ca100
NON+4.57 LS 3.03 -1.42 -5.30 25.4 <0.02 Ca100
NON+3.05 MN_LS 7.47 -4.32 -6.90 23.7 0.08 Ca65Mn35
NON+1.23 MN_ORE 7.49 -4.69 9.20 40.3 0.28 -8.3 Ca77Mn23+Mn95Ca05
NON-2.23 BSh 1.97 -2.26 -15.8 14.6 0.7 -17.9 Ca100
NON-0.42 BSh 1.94 -3.00 -16.6 13.7 0.82 -17.8 Ca100
Unmineralized
Santiago
SAN+4 LS 0 0.33 -16.8 Ca100
SAN+3.7 LS 0 0.3 -10.9 Ca100
SAN+1 LS 0 0.25 -9.9 Ca100
SAN-1 BSh 0 0.28 -19.1 Ca100
Huitepec
HUI-0.1 BSh 0 -1.41 0.5 -31.8 Ca100
Comextititla
COM-0 BSh 0 0.65 -35.7 Ca100
negative and positive refer to distance below or above the base of the ore bed

 

Ce anomaly Molango

 

Eu anomaly Molango

 

C isotopes Molango

S isotopes Molango