Bonai-Keonjhar - carbonate ore
Location - India
Age (of portore) - 3200 Ma
Original size - 6.7 million tonnes of Mn
References
Mishra, P., Mohapatra, B.K., and Singh, P.P., 2006, Mode of occurrence and characteristics of Mn-ore bodies in Iron Ore Group of rocks, North Orissa, India and its Significance in Resource Evaluation: Resource Geology, v. 56, p. 55-64.
Moriyama, T., Panigrahi, M.K., Pandit, D., and Watanabe, Y., 2008, Rare earth element enrichment in Late Archean manganese deposits from the Iron Ore Group, East India: Resource Geology, v. 58, p. 402-413.
Beukes, N.J., Mukhopadhyay, J., and Gutzmer, J., 2008, Genesis of high-grade iron ores of the Archean Iron Ore Group around Noamundi India: Econ Geol v. 103, p. 365-388
major elements - trace elements - rare-earth elements - REE normalized
Major Elements, oxide percent
|
||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
% |
% |
% |
% |
% |
% |
% |
% |
% |
% |
% |
|
MnO |
Fe2O3t |
SiO2 |
Al203 |
CaO |
MgO |
K2O |
Na2O |
TiO2 |
P205 |
LOI |
||
Average
|
Mn carb |
42.70 |
17.22 |
10.09 |
7.10 |
0.14 |
0.16 |
1.23 |
0.07 |
0.07 |
0.14 |
13.21 |
| Diwali (Moriyama, 2008) | DF-07 |
66.91 | 0.4 | 0.72 | 1.13 | 0.1 | 0.02 | 2.25 | 0.1 | 0.005 | 0.03 | 12.45 |
| Dalki (Moriyama, 2008) | D4-04 |
63.89 | 3.4 | 1.72 | 1.56 | 0.11 | 0.06 | 1.03 | 0.01 | 0.01 | 0.06 | 13.2 |
| Dalki (Moriyama, 2008) | D4-03 |
49.45 | 21.2 | 1.05 | 1.47 | 0.07 | 0.25 | 2.13 | 0.1 | 0.005 | 0.08 | 13.3 |
| Dalki (Moriyama, 2008) | D4-01 |
47.41 | 24.5 | 1.11 | 1.31 | 0.05 | 0.31 | 1.12 | 0.1 | 0.02 | 0.09 | 13.9 |
| District wide (Mishra, 2007) | 7 |
44.41 | 6.7 | 15.67 | 10.8 | na |
na |
na |
na |
na |
na |
na |
| District wide (Mishra, 2007) | 10 |
42.63 | 6.2 | 17.96 | 13.4 | na |
na |
na |
na |
na |
na |
na |
| District wide (Mishra, 2007) | 9 |
41.53 | 24.0 | 4.45 | 8.3 | na |
na |
na |
na |
na |
na |
na |
| District wide (Mishra, 2007) | 14 |
40.62 | 13.9 | 15.22 | 9.7 | na |
na |
na |
na |
na |
na |
na |
| District wide (Mishra, 2007) | 12 |
39.43 | 10.9 | 22.70 | 5.9 | na |
na |
na |
na |
na |
na |
na |
| District wide (Mishra, 2007) | 13 |
38.78 | 10.7 | 17.85 | 11.3 | na |
na |
na |
na |
na |
na |
na |
| District wide (Mishra, 2007) | 11 |
34.78 | 31.4 | 11.16 | 6.1 | na |
na |
na |
na |
na |
na |
na |
| Maidan (Mishra, 2006) | 2 |
33.37 | 23.5 | 13.19 | 11.44 | 0.1 | 0.12 | 0.73 | 0.03 | 0.21 | 0.11 | na |
| District wide (Mishra, 2007) | 8 |
33.37 | 20.31 | 14.49 | 12.8 | na |
na |
na |
na |
na |
na |
na |
| Diwali (Mishra, 2006) | 5 |
21.16 | 44.1 | 3.96 | 4.1 | 0.43 | 0.18 | 0.14 | 0.06 | 0.16 | 0.46 | na |
| Diwali (Moriyama, 2008) | DF-01R |
1.22 | 93.2 | 1.32 | 1.14 | na |
na |
na |
0.04 | 0.05 | 0.02 | 1.05 |
| Diwali (Moriyama, 2008) | DF-10 |
0.16 | 97.5 | 0.64 | 0.54 | na |
na |
0.07 | 0.33 | 0.07 | na |
0.45 |
na = not analyzed
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 |
Average
|
18 |
2727 |
na |
593 |
21 |
265 |
10 |
1 |
203 |
63 |
20 |
37 |
413 |
0.1 |
1.6 |
54 |
46 |
400 |
13 |
DF-07 |
2 |
2392 |
324 |
2 |
170 |
6 |
na |
120 |
2 |
25 |
14 |
229 |
0.1 |
1.1 |
8 |
61 |
240 |
5 |
|
D4-04 |
2 |
2395 |
67 |
2 |
140 |
9 |
na |
70 |
2 |
13 |
2 |
234 |
0.1 |
1.8 |
33 |
91 |
120 |
5 |
|
D4-03 |
15 |
1641 |
35 |
2 |
110 |
6 |
na |
120 |
17 |
25 |
5 |
776 |
0.1 |
1.6 |
64 |
10 |
120 |
5 |
|
D4-01 |
27 |
1599 |
44 |
2 |
140 |
7 |
na |
130 |
2 |
17 |
8 |
370 |
0.1 |
1.9 |
78 |
14 |
90 |
5 |
|
7 |
na |
na |
1609 |
na |
857 |
na |
0.2 |
301 |
67 |
na |
58 |
na |
na |
na |
na |
4 |
1271 |
na |
|
10 |
na |
na |
327 |
na |
53 |
na |
0.9 |
404 |
11 |
na |
17 |
na |
na |
na |
na |
42 |
454 |
na |
|
9 |
na |
na |
815 |
na |
690 |
na |
1.8 |
350 |
108 |
na |
61 |
na |
na |
na |
na |
47 |
1101 |
na |
|
14 |
na |
na |
1822 |
na |
335 |
na |
0.4 |
198 |
116 |
na |
52 |
na |
na |
na |
na |
29 |
135 |
na |
|
12 |
na |
na |
644 |
na |
287 |
na |
2.0 |
306 |
168 |
na |
9 |
na |
na |
na |
na |
33 |
215 |
na |
|
13 |
na |
na |
1207 |
na |
183 |
na |
1.6 |
381 |
32 |
na |
14 |
na |
na |
na |
na |
34 |
675 |
na |
|
11 |
na |
na |
248 |
na |
236 |
na |
2.0 |
208 |
116 |
na |
44 |
na |
na |
na |
na |
34 |
123 |
na |
|
2 |
14 |
2150 |
487 |
82.5 |
210 |
28.3 |
2.5 |
64 |
64 |
na |
107 |
578 |
na |
na |
86.3 |
104 |
459 |
39 |
|
8 |
na |
na |
487 |
na |
210 |
na |
2.5 |
64 |
64 |
na |
107 |
na |
na |
na |
na |
104 |
459 |
na |
|
5 |
49 |
6182 |
183 |
33 |
84 |
5 |
1 |
124 |
118 |
na |
26 |
293 |
na |
na |
57 |
34 |
142 |
20 |
|
DF-01R |
2 |
294 |
31 |
2 |
30 |
2 |
na |
70 |
29 |
2 |
6 |
19 |
0.4 |
1.3 |
64 |
1 |
2 |
11 |
|
DF-10 |
2 |
50 |
6 |
2 |
2 |
2 |
na |
5 |
2 |
2 |
1 |
4 |
0.4 |
0.4 |
26 |
52 |
2 |
19 |
|
blank or na = 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 | 61 | 175 | 19 | 66 | 21 | 6 | 17 | 2.6 | 13.6 | 2.7 | 6.2 | 1.0 | 5.7 | 0.8 |
DF-07 |
12.5 | 15.2 | 5.97 | 35.1 | 10.9 | 3.3 | 12.2 | 2.1 | 11.7 | 2.3 | 6.2 | 0.85 | 5.1 | 0.72 |
D4-04 |
55.9 | 116 | 20.9 | 86.7 | 22.5 | 6.41 | 19.6 | 3.1 | 16.2 | 2.8 | 7.3 | 0.91 | 5.1 | 0.7 |
D4-03 |
21.4 | 33 | 5.75 | 20.5 | 4.3 | 1.08 | 3.3 | 0.5 | 2.9 | 0.5 | 1.5 | 0.23 | 1.5 | 0.21 |
D4-01 |
16.2 | 36.2 | 4.89 | 18 | 3.2 | 0.84 | 3 | 0.5 | 2.6 | 0.5 | 1.5 | 0.23 | 1.5 | 0.22 |
7 |
46.8 | 199.2 | 18.6 | 63.8 | 18.2 | 6.5 | 16.2 | 2.0 | 11.7 | 2.1 | 5.5 | 0.7 | 5.3 | 0.5 |
10 |
51.1 | 282.5 | 17.5 | 55.9 | 18.9 | 4.4 | 11.6 | 2.2 | 12.1 | 3.0 | 5.8 | 1.1 | 6.5 | 0.9 |
9 |
59.4 | 209.8 | 15.1 | 47.4 | 11.2 | 6.3 | 20.2 | 2.5 | 12.4 | 2.2 | 6.6 | 0.9 | 5.8 | 0.6 |
14 |
30.9 | 245.5 | 10.6 | 36.2 | 21.1 | 7.7 | 10.9 | 2.1 | 11.1 | 2.4 | 4.5 | 0.8 | 5.4 | 0.7 |
12 |
41.7 | 156.5 | 15.6 | 51.0 | 11.0 | 5.0 | 15.0 | 2.0 | 12.0 | 2.0 | 6.0 | 1.0 | 5.0 | 1.0 |
13 |
49.9 | 211.0 | 13.2 | 146.7 | 18.0 | 1.8 | 4.9 | 0.9 | 5.1 | 1.2 | 2.4 | 0.4 | 2.6 | 0.4 |
11 |
62.0 | 165.0 | 16.0 | 52.0 | 10.0 | 3.0 | 11.0 | 1.0 | 9.0 | 2.0 | 5.0 | 1.0 | 4.0 | 1.0 |
2 |
159.8 | 332.3 | 35.7 | 128.3 | 29.9 | 8.7 | 32 | 4.7 | 23.9 | 4.8 | 11.7 | 1.5 | 9.1 | 1.2 |
8 |
159.8 | 332.3 | 35.7 | 128.3 | 29.9 | 2.4 | 9.0 | 1.3 | 6.7 | 1.3 | 3.3 | 0.4 | 2.6 | 0.3 |
5 |
91.8 | 116.15 | 45.19 | 59.0 | 91.8 | 25.23 | 62.4 | 11.12 | 53.3 | 10.88 | 18.95 | 3.3 | 20.81 | 2.83 |
DF-01R |
20.1 | 21 | 3.43 | 12.8 | 2.7 | 0.88 | 2.8 | 0.4 | 2.2 | 0.4 | 1.1 | 0.14 | 0.8 | 0.12 |
DF-10 |
2.4 | 17.9 | 0.54 | 3.2 | 1.4 | 0.86 | 5 | 1.1 | 6.4 | 1.2 | 2.9 | 0.33 | 1.6 | 0.21 |
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 | 167 | 183 | 136 | 93.3 | 93.0 | 67.9 | 54.0 | 44.4 | 23.1 | 1.213 | 0.957 | 7.230 | 0.598 | 0.9847 | 3.1955 |
DF-07 |
34 | 16 | 44 | 49.4 | 47.2 | 37.9 | 39.9 | 36.2 | 20.6 | 0.412 | 0.875 | 1.656 | |||
D4-04 |
152 | 121 | 153 | 121.9 | 97.4 | 73.7 | 64.1 | 53.4 | 20.6 | 0.795 | 0.933 | 7.407 | |||
D4-03 |
58 | 34 | 42 | 28.8 | 18.6 | 12.4 | 10.8 | 8.6 | 6.0 | 0.697 | 0.876 | 9.641 | |||
D4-01 |
44 | 38 | 36 | 25.3 | 13.9 | 9.7 | 9.8 | 8.6 | 6.0 | 0.953 | 0.828 | 7.298 | |||
7 |
128 | 208 | 136 | 89.7 | 78.8 | 74.7 | 52.9 | 34.5 | 21.4 | 1.582 | 1.157 | 5.967 | |||
10 |
139 | 295 | 128 | 78.6 | 81.8 | 50.6 | 37.9 | 37.9 | 26.2 | 2.213 | 0.908 | 5.312 | |||
9 |
162 | 219 | 110 | 66.7 | 48.5 | 72.4 | 66.0 | 43.1 | 23.4 | 1.641 | 1.280 | 6.921 | |||
14 |
84 | 257 | 77 | 50.9 | 91.3 | 88.5 | 35.6 | 36.2 | 21.8 | 3.178 | 1.552 | 3.867 | |||
12 |
114 | 164 | 114 | 71.7 | 47.6 | 57.5 | 49.0 | 34.5 | 20.2 | 1.438 | 1.190 | 5.636 | |||
13 |
136 | 220 | 96 | 206.3 | 77.9 | 20.7 | 16.0 | 15.5 | 10.5 | 1.926 | 0.586 | 12.969 | |||
11 |
169 | 172 | 117 | 73.1 | 43.3 | 34.5 | 35.9 | 17.2 | 16.1 | 1.227 | 0.874 | 10.474 | |||
2 |
435 | 347 | 261 | 180.5 | 129.4 | 100.0 | 104.6 | 81.0 | 36.7 | 1.031 | 0.860 | 11.866 | |||
8 |
435 | 347 | 261 | 180.5 | 129.4 | 27.6 | 29.4 | 22.4 | 10.5 | 1.031 | 0.447 | 41.533 | |||
5 |
250 | 121 | 330 | 83.0 | 397.5 | 290.0 | 203.9 | 191.7 | 83.9 | 0.423 | 1.019 | 2.981 | |||
DF-01R |
55 | 22 | 25 | 18.0 | 11.7 | 10.1 | 9.2 | 6.9 | 3.2 | 0.593 | 0.978 | 16.978 | |||
DF-10 |
6.5 | 18.7 | 4 | 4.5 | 6.1 | 9.9 | 16.3 | 19.0 | 6.5 | 3.684 | 0.993 | 1.014 | |||
