Serra do Navio

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Location - South America, Brazil, Amapas

Age (of protore) - 2200-2100 Ma

Original size - 43 million tonnes of Mn

References

Chisonga, B. C., Gutzmer, J., Beukes, N. J., & Huizenga, J. M., 2012, Nature and origin of the protolith succession to the Paleoproterozoic Serra do Navio manganese deposit, Amapa Province, Brazil. Ore Geology Reviews47, 59-76.

Chisonga, B.C., 2005, Metasedimentary manganese ores of the Serra do Navio deposit, Amapa Province, Brazil. Unpublished MSc Thesis, University of Johannesburg, Johannesburg, South Africa, 121 pp.

Scarpelli, W., 1973, The Serra do Navio manganese deposit (Brazil), in Genesis of Precambrian Iron and Manganese Deposits, Proceedings of the Kiev Symposium 1970: Paris, UNESCO, p. 217-228.

Nagell, R.H., 1962, Geology of the Serra do Navio manganese district, Brazil: Economic Geology, v. 57, p. 481-495.

Dorr, J.V.N., Park, C.F., and de Paiva-Teixeira, de G., 1949, Manganese deposits of the Serra do Navio district, territory of Amapa, Brazil: U S Geological Survey,Bulletin 964, 51 pp.

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

Major Elements, oxide percent

 

 

 

%

%

%

%

%

%

%

%

%

%

%

MnO
Fe2O3t
SiO2
Al203
CaO
MgO
K2O
Na2O
TiO2
P205
LOI

 

 

Avg of high Mn samples
46.3
4.33
21.3
2.95
5.54
4.46
0.13
0.02
0.17
0.05
13.9
DH116-H Mn-calcite marble
60.2
2.34
24.2
1.44
3.65
3.2
0.005
0.01
0.04
0.005
3.6
DH116- I Rhodochrosite marble
54.1
1.62
2.15
2.07
4.39
3.67
0.04
0.005
0.07
0.01
30.8
DH114-L Rhodochrosite marble
53.4
1.27
8.68
1.76
5.33
3.26
0.04
0.03
0.09
0.005
24.9
DH116-M Rhodochrosite marble
53.0
0.94
2.84
2.78
6.15
2.4
0.03
0.02
0.15
0.005
30.3
DH140-O Mn-calcite marble
52.4
5.71
22.4
1.87
5.78
5.24
0.005
0.01
0.09
0.005
5.1
DH140-L Rhodochrosite marble
51.7
2.4
7.71
5.09
3.85
3.75
0.05
0.03
0.41
0.05
24.6
DH140-M Rhodochrosite marble
51.7
1.91
6.31
2.11
6.59
4.73
0.15
0.02
0.17
0.005
25.3
DH114-K Mn-calcite marble
50.5
1.94
22.0
4.16
4.93
5.5
0.42
0.03
0.26
0.005
9.5
DH114-B Rhodochrosite marble
50.3
6.06
5.12
1.98
5.66
3.49
0.05
0.03
0.2
0.18
26.2
DH114-E Mn-calcite marble
50.2
4.19
23.1
3.29
4.74
6.03
0.39
0.02
0.19
0.005
7.0
DH116-J Mn-calcite marble
47.4
6.71
24.9
3.48
4.66
6.18
0.14
0.03
0.22
0.05
5.4
DH140-N Rhodochrosite marble
46.5
1.55
10.9
2.22
10.6
5.77
0.4
0.05
0.13
0.04
20.1
DH116-E Rhodochrosite marble
45.9
3.78
1.52
1.36
9.58
4.97
0.1
0.005
0.04
0.05
31.6
DH114-A Mn-carbonate schist
43.0
6.19
36.4
4.24
3.99
3.87
0.04
0.03
0.22
0.005
1.2
DH140-A Mn-carbonate schist
42.6
5.04
40.4
0.92
3.45
2.27
0.02
0.01
0.07
0.005
4.4
DH140-C Mn-carbonate schist
42.3
3.84
39.0
3.67
2.64
2.56
0.005
0.005
0.1
0.01
5.0
DH140-D Mn-carbonate schist
39.8
5.46
39.9
2.22
3.72
3.01
0.005
0.005
0.18
0.27
4.8
DH114-C Mn-calcite marble
36.5
11.2
26.2
3.28
8.23
8.5
0.6
0.005
0.27
0.17
4.4
DH116-A Mn-carbonate schist
33.9
5.9
40.5
8.53
3.65
3.97
0.005
0.01
0.43
0.11
3.2
DH116-B Mn-carbonate schist
19.7
8.64
41.9
2.51
9.22
6.84
0.005
0.04
0.08
0.05
10.6
DH116-K Graphite schist
4.37
16.0
48.5
12.5
1.16
1.92
4.33
3.71
0.83
0.11
5.5
DH140-K Biotite schist
3.17
8.84
43.9
17.9
1.28
4.53
1.48
3.81
1.14
0.07
13.2
DH114-O Biotite schist
2.44
11.7
49.6
13.6
1.39
2.45
0.93
3.55
0.74
0.11
13.3
DH116-P Graphite schist
1.38
10.9
57.3
12.3
2.09
0.67
0.76
2.49
0.63
0.06
12.2
DH114-I Graphite schist
0.55
4.4
62.7
14.3
2.44
1.12
2.16
3.94
0.8
0.14
6.1
DH116-N Biotite schist
0.48
2.59
66.7
14.2
3.68
1.64
5.45
2.3
0.83
0.04
1.8
DH116-Q Biotite schist
0.15
9.01
78.7
4.64
2.47
3.23
0.28
0.21
0.36
0.07
1.0
DH114-P Biotite schist
0.12
8.49
68.5
9.57
4.23
3.61
0.71
0.1
0.88
0.06
2.0
DH116-T Biotite schist
0.08
11.2
61.7
15.3
0.65
2.43
2.77
0.06
0.76
0.14
4.8
Chumbo Oxide ore
54.11
11.70
3.14
6.91
0.07
0.04
0.24
0.18
12.00
Chumbo Oxide ore
48.95
19.62
4.84
6.94
0.11
0.04
0.24
0.38
10.91
Chumbo Oxide ore
62.75
6.86
2.31
4.03
0.09
0.05
0.25
0.19
10.27
Chumbo Oxide ore
69.21
5.08
0.56
3.47
0.08
0.04
0.16
0.11
11.00
Chumbo Oxide ore
68.33
7.05
0.88
3.07
0.10
0.04
0.12
0.22
10.25
Chumbo Oxide ore
61.99
9.78
0.79
4.16
0.07
0.04
0.24
0.33
10.43
Chumbo Oxide ore
59.80
7.87
3.93
6.03
0.09
0.04
0.32
0.17
11.46
Chumbo Oxide ore
41.62
27.34
3.09
6.43
0.08
0.04
0.24
0.46
12.08
Navio Oxide ore
53.43
15.17
4.69
5.68
0.03
0.05
0.34
0.31
11.43
Clemente Oxide ore
65.75
7.51
1.19
4.02
0.06
0.05
0.22
0.23
10.54
unnamed Oxide ore
65.01
9.64
1.01
2.90
0.80
0.05
0.18
0.27
10.28

 

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   1861   290 78 61   3 605 19 5.8 5.4 80 1.8 1.8 397 10 289 21
DH116-H   33   159 68 13   2 261 11 0 2 62 1 0 422 8 274 7
DH116- I   33   97 41 2   1 337 6 0 3 121 2 0 194 9 2 9
DH114-L   214   305 34 3   2 766 7 2 4 67 1 1 335 6 114 10
DH116-M   17   372 89 5   3 907 3 0 3 41 1 4 652 7 87 15
DH140-O   98   397 75 12   2 1078 12 0 5 47 1 1 594 8 541 13
DH140-L   137   174 198 9   7 643 41 1 8 75 4 2 718 10 297 44
DH140-M   600   162 62 448   3 609 24 5 3 49 2 2 581 6 728 16
DH114-K   30000   243 48 7   4 662 4 20 7 56 3 2 397 11 313 28
DH114-B   118   141 62 18   4 388 74 1 5 87 2 3 478 12 153 25
DH114-E   901   288 82 4   3 829 21 23 6 111 2 1 336 10 327 19
DH116-J   355   91 68 23   3 326 4 7 7 100 2 2 276 11 361 20
DH140-N   790   1030 75 438   2 1824 69 19 3 102 1 2 334 7 963 14
DH116-E   688   181 21 39   1 502 11 4 2 103 0 1 379 7 134 8
DH114-A   6   97 55 21   4 144 11 0 7 21 3 2 517 11 208 29
DH140-A   688   220 55 24   1 486 11 0 3 17 0 1 179 4 176 13
DH140-C   4   239 82 72   1 528 18 0 7 18 1 1 532 10 71 15
DH140-D   2   301 89 10   3 619 13 0 5 82 2 3 339 12 109 36
DH114-C
2497   157 41 10   6 460 33 33 10 372 3 3 211 15 691 34
DH116-A
45   82 198 4   4 202 3 0 8 15 4 2 349 17 88 49
DH116-B
1   1065 116 48   1 525 3 0 9 49 1 2 124 19 151 13
DH116-K
4133   186 192 2355   8 708 50 167 23 211 7 4 149 39 176 95
DH140-K
3115   31 246 26   17 261 14 49 23 293 16 4 139 33 135 148
DH114-O
600   150 130 604   9 522 70 37 20 192 12 4 138 46 159 115
DH116-P
251   123 431 311   7 466 95 33 17 162 6 3 127 46 74 70
DH114-I
4863   132 151 246   9 144 16 98 10 258 10 3 137 27 82 100
DH116-N
764   35 397 27   10 135 11 122 13 249 13 4 141 28 139 133
DH116-Q
82   25 486 65   4 48 8 12 8 138 5 2 95 14 19 107
DH114-P
273   97 157 65   10 71 18 79 14 98 9 4 97 24 90 288
DH116-T
344   24 335 54   10 96 29 117 19 29 11 4 184 32 135 111

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 8.16 40.91 1.66 7.69 1.85 0.40 1.41 0.40 1.39 0.66 0.79 0.30 0.76 0.25
DH116-H 4.3 24.7 0.9 4.1 0.8 0.3 1.0 0.2 1.5 0.2 0.6 0.1 0.7 0.1
DH116- I 6.8 37.8 1.3 4.4 1.0 0.3 1.1 0.3 1.2 0.2 0.7 0.1 0.8 0.1
DH114-L 3.6 20.1 0.7 2.4 0.6 0.2 0.7 0.2 0.7 0.2 0.6 0.1 0.4 0.1
DH116-M 2.8 18.4 0.6 1.9 0.7 0.3 1.2 0.2 0.9 0.1 0.5 0.1 0.6 0.1
DH140-O 5.9 30.5 1.1 4.5 1.0 0.3 1.1 0.2 1.1 0.2 0.5 0.1 0.5 0.1
DH140-L 18.7 99 3.6 12.9 2.0 0.5 1.7 0.2 1.7 0.3 0.8 0.1 1.1 1.0
DH140-M 8.3 38.7 1.2 4.3 0.7 0.2 0.6 0.1 0.7 0.1 0.5 0.1 0.6 0.1
DH114-K 10.0 54.1 2.0 8.4 1.7 0.5 1.6 0.3 1.8 3.0 0.9 0.1 1.0 0.1
DH114-B 6.3 34.7 1.5 5.2 1.5 0.4 1.6 0.3 1.4 0.3 0.9 0.1 0.7 0.1
DH114-E 5.6 31.1 1.1 4.7 0.9 0.4 1.1 0.2 1.2 3.0 0.8 0.1 0.5 0.1
DH116-J 7.7 45.6 1.4 6.2 1.4 0.3 1.2 0.2 1.5 0.3 1.0 0.1 0.8 0.1
DH140-N 7.4 49.1 1.6 6.0 1.1 0.4 1.0 0.2 1.0 0.2 0.5 0.1 0.4 0.1
DH116-E 3.5 20.9 0.9 3.9 0.9 0.3 0.9 0.2 1.0 0.2 0.7 0.1 0.5 0.0
DH114-A 13.5 65.1 2.3 8.2 1.8 0.4 1.8 0.4 1.7 0.3 0.9 0.1 0.9 0.1
DH140-A 4.5 21.6 1.1 4.2 0.8 0.3 0.8 0.1 0.6 0.1 0.4 0.1 0.4 0.1
DH140-C 3.8 16.7 0.9 33.0 1.1 0.4 1.3 0.2 1.3 3.0 0.8 0.1 0.7 0.1
DH140-D 11.8 52.9 2.9 12.5 2.1 0.6 1.9 0.3 1.6 0.3 0.9 0.1 0.8 0.1
DH114-C 16.5 87.9 3.6 16.0 2.5 0.6 2.4 0.4 2.1 0.4 1.2 2.0 1.1 2.0
DH116-A 13.4 44.4 2.6 2.6 12.3 0.7 2.6 0.5 2.3 0.4 1.2 0.2 1.4 0.2
DH116-B 8.7 24.9 1.8 8.4 2.0 0.6 2.6 0.5 2.5 0.4 1.4 2.0 1.3 0.2
DH116-K 26.2 50.5 4.8 22 4.5 0.8 4.6 0.8 5.4 1.0 3.0 0.5 3.3 0.5
DH140-K 42.2 92.3 8.2 32.2 6.2 1.5 5.1 0.9 4.8 1.0 2.7 0.4 3.0 0.4
DH114-O 43.6 95.8 8.3 34.8 6.2 1.4 6.3 1.0 5.9 1.1 3.1 0.4 2.8 0.4
DH116-P 31.4 62.5 5.9 25 4.8 2.0 5.0 1.0 5.3 1.0 2.8 0.3 2.2 0.3
DH114-I 33.9 77.1 6.7 29.1 52 1.1 4.5 0.7 3.6 0.7 2.2 0.3 2.0 0.2
DH116-N 29.9 55.1 5.7 23.4 4.5 1.0 4.2 0.8 4.1 0.8 2.3 0.3 2.6 0.3
DH116-Q 11.0 21.6 2.3 8.8 2.2 0.2 2.0 0.4 1.9 0.4 1.2 0.2 1.4 0.2
DH114-P 22.5 44.6 4.6 18.3 3.4 0.8 3.3 0.6 3.3 0.7 2.2 0.4 2.8 0.3
DH116-T 35.7 65.1 6.9 28.4 5.3 1.3 5.3 0.9 4.8 1.0 2.7 0.4 3.4 0.4

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 22.221 42.748 12.080 10.816 7.987 4.598 4.608 6.810 5.605 2.609 0.758 3.965 2.79
0.9504
DH116-H 11.717 25.810 6.569 5.767 3.463 3.448 3.268 3.448 6.048 2.942 1.025 1.937
DH116- I 18.529 39.498 9.489 6.188 4.329 3.448 3.595 5.172 4.839 2.979 0.874 3.829
DH114-L 9.809 21.003 5.109 3.376 2.597 2.299 2.288 3.448 2.823 2.967 0.943 3.475
DH116-M 7.629 19.227 4.380 2.672 3.030 3.448 3.922 3.448 3.629 3.326 1.000 2.102
DH140-O 16.076 31.870 8.029 6.329 4.329 3.448 3.595 3.448 4.435 2.805 0.874 3.624
DH140-L 50.954 103.448 26.277 18.143 8.658 5.747 5.556 3.448 6.855 2.827 0.829 7.433
DH140-M 22.616 40.439 8.759 6.048 3.030 2.299 1.961 1.724 2.823 2.873 0.943 8.012
DH114-K 27.248 56.531 14.599 11.814 7.359 5.747 5.229 5.172 7.258 2.834 0.926 3.754
DH114-B 17.166 36.259 10.949 7.314 6.494 4.598 5.229 5.172 5.645 2.645 0.789 3.041
DH114-E 15.259 32.497 8.029 6.610 3.896 4.598 3.595 3.448 4.839 2.936 1.229 3.153
DH116-J 20.981 47.649 10.219 8.720 6.061 3.448 3.922 3.448 6.048 3.254 0.707 3.469
DH140-N 20.163 51.306 11.679 8.439 4.762 4.598 3.268 3.448 4.032 3.343 1.165 5.001
DH116-E 9.537 21.839 6.569 5.485 3.896 3.448 2.941 3.448 4.032 2.759 1.019 2.365
DH114-A 36.785 68.025 16.788 11.533 7.792 4.598 5.882 6.897 6.855 2.737 0.679 5.366
DH140-A 12.262 22.571 8.029 5.907 3.463 3.448 2.614 1.724 2.419 2.275 1.146 5.068
DH140-C 10.354 17.450 6.569 46.414 4.762 4.598 4.248 3.448 5.242 2.116 1.022 1.975
DH140-D 32.153 55.277 21.168 17.581 9.091 6.897 6.209
5.172
6.452 2.119 0.918 4.984
DH114-C 44.959 91.850 26.277 22.504 10.823 6.897 7.843 6.897 8.468 2.672 0.749 5.309
DH116-A 36.512 46.395 18.978 3.657 53.247 8.046 8.497 8.621 9.274 1.762 0.378 3.937
DH116-B 23.706 26.019 13.139 11.814 8.658 6.897 8.497 8.621 10.081 1.474 0.804 2.352
DH116-K 71.390 52.769 35.036 30.942 19.481 9.195 15.033 13.793 21.774 1.055 0.537 3.279
DH140-K 114.986 96.447 59.854 45.288 26.840 17.241 16.667 15.517 19.355 1.163 0.815 5.941
DH114-O 118.801 100.104 60.584 48.945 26.840 16.092 20.588 17.241 23.790 1.180 0.685 4.994
DH116-P 85.559 65.308 43.066 35.162 20.779 22.989 16.340 17.241 21.371 1.076 1.248 4.003
DH114-I 92.371 80.564 48.905 40.928 225.108 12.644 14.706 12.069 14.516 1.199 0.220 6.363
DH116-N 81.471 57.576 41.606 32.911 19.481 11.494 13.725 13.793 16.532 0.989 0.703 4.928
DH116-Q 29.973 22.571 16.788 12.377 9.524 2.299 6.536 6.897 7.661 1.006 0.291 3.912
DH114-P 61.308 46.604 33.577 25.738 14.719 9.195 10.784 10.345 13.306 1.027 0.730 4.607
DH116-T 97.275 68.025 50.365 39.944 22.944 14.943 17.320 15.517 19.355 0.972 0.750 5.026

Isotopes

Sample
  Mineralogy Mn content δ13C pdb δ18O pdb δ18O smow Stotal % δ34S sulfide 87Sr/86Sr
avg      
-6.76
-14.93
15.48
     
DH114-B   Rhod. XXXX -6.8 -14.7 15.7      
DH114-D   Rhod. XXXX -7.1 -14.9 15.5      
DH114-L   Rhod. XXXX -6.8 -14.6 15.8      
DH116-E   Rhod. XXXX -4.9 -14.5 15.9      
DH114-F   Rhod./Kutn XXX -7.4 -14.8 15.6      
DH116-C   Rhod./Kutn XXX -6.3 -14.4 16.0      
DH140-M   Rhod./Kutn XXX -5.9 -14.8 15.6      
DH114-E   Kutn. XX -7.9 -14.6 15.8      
DH114-C   Mn-cal. X -7.7 -17.1 13.2