Kunimiyama

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Location - Japan

Age (of protore) - 280 Ma Early Permian

Original size - 0.02 million tonnes of Mn

References

Kato,Y., Fujinaga, K., Nozaki, T., Osawa, H., Nakamura, K., and Ono, R., 2005, Rare earth, major and trace elements in the Kunimiyama ferromanganese deposit in the Northern Chichibu Belt, central Shikoku, Japan: Resource geology, v.55, p. 291-299.

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

 

Average

 

 

Mn > 20 %

 

 24.1 43.8 16.9 2.74 3.52 1.68 0.24 0.05 0.55 0.96 5.21
Akatsuki 04ku138 28.1 56.9 3.4 2.3 0.7 0.45 0.24 0.1 0.56 0.87 6.29
Kagami 04ku085 26.9 40.7 17.0 2.4 4.06 2.15 0.06 0.56 2.22 3.91
Kagami 04ku080 26.5 41.8 13.6 2.3 5.78 1.35 0.03 0.42 1.42 6.79
Akatsuki 04kul40 25.9 45.8 16.3 2.8 1.66 1.99 0.07 0.85 0.63 4.02
Kagami 04ku081 25.3 39.2 15.1 2.5 4.97 2.49 0.04 0.54 1.29 5.51
Noboru 04ku125 24.9 36.4 23.2 3 4.5 1.84 0.05 0.57 0.49 5.1
Noboru 04ku123 24.8 37.6 23.9 3.2 2.79 1.84 0.05 0.61 0.6 4.65
Kagami 04ku150 24.4 44.9 16.1 2.6 3.63 1.74 0.03 0.49 0.34 5.81
Kagami 04ku078 22.9 43.6 14.8 2 5.68 1.47 0.07 0.43 1.23 7.6
Noboru 04ku121 22.7 43.6 19.3 3 4.03 1.7 0.05 0.43 0.64 4.58
Kagami 04ku076 22.3 44.4 20.0 2.4 3.32 1.19 0.05 0.42 0.39 5.5
Akatsuki 04\ru139 22.2 45.5 17.2 3.2 2.48 2.34 0.06 0.69 1.9 4.48
Noboru 04ku122 20.5 45.3 20.9 3.7 2.17 1.5 0.04 0.61 0.7 4.62
Noboru 04ku120 20.5 48.0 15.3 2.9 3.51 1.41 0.04 0.46 0.71 4.14
Noboru 04ku130 19.4 47.1 19.9 3.7 1.83 1.73 0.07 0.68 0.57 4.99
Akatsuki 04ku141 19.0 51.0 17.5 2.2 1.87 0.62 0.08 0.1 0.55 1.14 5.84
Akatsuki 04ku142 18.9 38.9 25.1 5.7 2.87 2.69 0.43 0.12 1.03 0.48 3.73
Noboru 04ku124 18.5 48.3 20.0 3.6 1.47 1.79 0.06 0.5 0.73 5.09
Noboru 04ku126 17.8 43.6 25.3 3.7 1.13 0.76 0.05 0.47 0.85 6.36
Noboru 04ku128 11.0 47.0 24.0 5.2 2.13 1.52 0.33 0.07 1.51 2.11 5.23
Noboru 04ku127 2.1 57.1 29.4 4.4 1.17 0.91 0.02 0.04 0.51 1.28 3.12
Noboru 04kut29 1.7 35.7 46.3 6.8 1.54 3.21 0.15 0.78 0.49 0.28 2.98

 

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   90   247 24 451   27 1789 1 118   18 11 3 1385 327 722 369
04ku138   94.9 246 25.4 531 27.6 1970 0.28 81.6 19.9 13.4 2.67 1410 245 855 535
04ku085   272 303 20.7 166 36.2 1440 0.17 104 23.6 13.5 2.44 1550 458 712 449
04ku080   41 225 12.5 316 22.4 1800 0.08 123 16.2 6.09 3.96 1440 364 518 38.3
04kul40   82.9 248 69.8 454 24.6 1640 0.23 70.3 20.2 19.1 3.21 979 440 860 109
04ku081   138 281 16.3 451 33.4 1640 0.28 113 20.1 12.6 2.27 728 379 653 181
04ku125   66 220 16.7 606 22.6 1440 0.6 85.5 13.4 6.68 1.83 1620 255 560 408
04ku123   66.3 207 16.7 377 19.4 1390 0.5 76.6 13.1 6.74 1.87 1670 274 542 467
04ku150   82.1 275 12.4 214 27 1950 0.13 123 15.6 8.18 4.26 1350 179 715 355
04ku078   42 241 7.22 395 26.6 1560 0.21 114 17.9 10.3 2.96 1460 380 769 193
04ku121   59.9 218 19 596 22.5 1990 0.15 55.3 15.7 10.4 2.75 965 292 778 419
04ku076   51.2 280 19.3 218 28.3 1990 0.36 107 20.2 11 1.45 1610 243 746 495
04\ru139   103 267 49.2 756 35 2180 7.79 423 19 7.22 2.76 1890 422 823 465
04ku122   77.1 228 22.7 602 26.9 1930 0.34 96.1 17.4 11.9 2.92 1630 319 787 558
04ku120   83.6 223 21.2 628 25.1 2130 0.22 75.5 18.1 11.8 2.62 1090 326 789 493
04ku130   93.4 236 29.6 504 26.6 2150 0.3 77.5 19.1 12.7 2.49 1380 275 682 455
04ku141   110 259 20.1 205 28.6 2450 0.13 98.4 18.6 8 2.45 1360 328 686 452
04ku142   558 226 31.3 637 25.9 2320 10.5 267 22.6 7.35 2.07 436 210 710 485
04ku124   123 222 23.2 507 22.7 2100 0.26 70.3 18 9.57 3.05 1390 312 851 514
04ku126   35.8 191 10.2 190 23.5 1140 2.1 161 19.3 11.8 1.64 1170 295 639 585
04ku128   51.8 208 35.6 356 31.2 1270 9.48 128 33.7 10.7 1.21 520 570 655 598
04ku127   235 152 29 294 25.9 1540 1.05 80.9 21.6 13.6 1.66 1220 326 510 354
04kut29   177   236 41.6 293   34.6 1380 1.45 218   19 15.3 2.81 1220 324 650 576

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 477 190 93 388 83 18 80 14 71 13 37 6 34 5
04ku138 486 182 92 382 79.2 17.2 75.8 13.4 66.2 12.3 34.3 5.25 31.6 4.58
04ku085 554 297 126 496 112 24.5 109 19.6 96.9 17.9 48.1 7.28 43.1 6.13
04ku080 517 169 97.4 414 87.4 19 85.5 15.5 75 14.1 39 5.82 33.4 4.69
04kul40 431 191 84.2 364 81.6 18.4 83.8 15.6 78.4 15 41.7 6.27 36.5 5.05
04ku081 498 281 102 436 95.3 20.4 91.5 16.6 79.7 14.7 40.8 6.15 36.5 5.28
04ku125 406 147 76.9 322 67.5 14.8 63.7 11.3 58.1 10.8 30.7 4.76 29 4.19
04ku123 403 146 78.6 327 69.5 15.3 64.9 11.8 60.7 11.4 32.8 5.02 30.4 4.43
04ku150 487 161 86.5 359 72.7 15.7 68 12 59.3 10.9 29.6 4.71 28.1 3.99
04ku078 464 185 91.6 397 88.5 19.5 88 16.2 79.2 14.6 40.4 5.89 32.8 4.45
04ku121 402 163 75.8 317 67 15.1 64.2 12 59.4 11.4 33.5 5.16 30.1 4.38
04ku076 464 190 90 373 76.9 15.4 70.2 12.5 59.4 11 31 4.71 28.9 4.16
04\ru139 668 164 125 529 110 24.4 107 19.2 93.8 17.7 48.8 7.42 45.7 6.49
04ku122 477 190 89.9 379 81.8 17.8 76.8 14 69.3 13 36.7 5.55 33 4.83
04ku120 419 199 81.7 342 72.8 16.3 69.2 13.1 64.5 12.5 36.6 5.64 33.3 4.84
04ku130 473 208 89.2 370 76.7 17.1 74.6 12.9 64.4 1.19 32.9 5.03 29.5 4.22
04ku141 515 203 97.5 412 88 19.1 82.8 15.2 74 13.9 38.7 6.02 36.4 5.08
04ku142 404 130 77.2 326 67.3 14.9 63.5 11.3 56.9 10.8 30.1 4.76 28.1 4.22
04ku124 433 147 81.5 341 72.3 15.7 68.2 12.1 62.6 11.8 34.3 5.31 32.1 4.71
04ku126 462 170 86.5 364 77.1 16.3 75 13.5 70 13.3 38.4 6.09 37.7 5.73
04ku128 468 158 102 454 102 24.2 108 18.9 97 18.5 52.3 7.67 44.6 6.5
04ku127 521 240 97.6 412 88.8 19.8 85.7 15.1 74.2 13.3 36.3 5.45 31.9 4.46
04kut29 575 240 105 439 89.8 19.6 86.6 15.3 74.6 13.6 37.9 5.65 34.4 4.94

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 1299 199 677 546 359 208 261 250 136 0.21 0.68 10 0.2256 0.6692
1 1324 190 672 537 343 198 248 231 127 0.202 0.678 10.393
2      1510 310 920 698 485 282 356 338 174 0.263 0.678 8.686
3 1409 177 711 582 378 218 279 267 135 0.176 0.672 10.460
4 1174 200 615 512 353 211 274 269 147 0.235 0.680 7.979
5 1357 294 745 613 413 234 299 286 147 0.292 0.668 9.220
6 1106 154 561 453 292 170 208 195 117 0.195 0.690 9.460
7 1098 153 574 460 301 176 212 203 123 0.192 0.696 8.958
8      1327 168 631 505 315 180 222 207 113 0.184 0.682 11.711
9 1264 193 669 558 383 224 288 279 132 0.210 0.675 9.559
10      1095 170 553 446 290 174 210 207 121 0.219 0.704 9.025
11 1264 199 657 525 333 177 229 216 117 0.218 0.641 10.849
12 1820 171 912 744 476 280 350 331 184 0.133 0.687 9.877
13 1300 199 656 533 354 205 251 241 133 0.215 0.686 9.768
14      1142 208 596 481 315 187 226 226 134 0.252 0.702 8.503
15 1289 217 651 520 332 197 244 222 119 0.237 0.691 10.835
16 1403 212 712 579 381 220 271 262 147 0.212 0.684 9.561
17 1101 136 564 459 291 171 208 195 113 0.172 0.697 9.715
18 1180 154 595 480 313 180 223 209 129 0.183 0.683 9.115
19 1259 178 631 512 334 187 245 233 152 0.199 0.655 8.281
20 1275 165 745 639 442 278 353 326 180 0.169 0.705 7.091
21 1420 251 712 579 384 228 280 260 129 0.249 0.694 11.037
22 1567 251 766 617 389 225 283 264 139 0.229 0.679 11.295

Isotopes
Sample
 TC % TOC % Ccarb % δ13C pdb δ18O pdb δ18O smow Stotal % δ34S sulfide 87Sr/86Sr

 

Ce anomaly Kunimiyama

 

Eu anomaly Kunimiyama