Drimos - Aroania

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Location - Greece

Age (of portore) - 152 Ma

Original size - < 0.1 million tonnes of Mn

Reference: Robertson, A.H.F., and Degnan, P., 1998, Significance of modern and ancient oceanic Mn-rich hydrothermal sediments, exemplified by Jurassic Mn-cherts from Southern Greece, in Mills, R.A., and Harrison, K., eds., Modern Ocean Floor Processes and the Geological Record: London, Geological Society Special Publication 148, p. 217-240.

major elements - trace elements - rare-earth elements

Major Elements, oxide percent

 

 

 

%

%

%

%

%

%

%

%

%

%

%
MnO
Fe2O3t
SiO2
Al203
CaO
MgO
K2O
Na2O
TiO2
P205
LOI

Average

 
Mn chert
21.56
0.21
68.33
0.76
0.59
0.49
0.03
0.14
0.04
0.03
7.79
Drimos
65
38.10
0.38
52.3
1.05
0.85
0.39
0.005
0.11
0.05
0.03
6.81
Drimos 63 19.33 0.09 75.0 0.58 0.5 0.17 0.005 0.05 0.03 0.03 4.23
Drimos 68 18.30 0.26 75.6 1.08 0.49 0.4 0.03 0.11 0.04 0.04 3.7
Drimos 66 17.43 0.41 76.0 1.29 0.46 0.5 0.1 0.11 0.05 0.04 3.67
Drimos 67 16.18 0.29 77.1 1.06 0.51 0.12 0.12 0.21 0.05 0.02 4.38
Drimos 64 12.41 0.02 83.1 0.47 0.3 0.13 0.02 0.07 0.02 0.02 3.41
Drimos 69 4.43 0.07 92.2 0.39 0.19 0.02 0.18 0.02 0.02 0.02 2.52
Avg Drimos MnO > 10 % 20.29 0.24 73.18 0.92 0.52 0.29 0.05 0.11 0.04 0.03 4.37
Aroania 90 29.96 0.33 46.4 0.6 1.2 0.56 0.01 0.41 0.05 0.04 20.41
Aroania 95 25.71 0.25 53.0 0.7 1.07 1.07 0.01 0.29 0.04 0.03 18.23
Aroania 80 25.66 0.02 63.3 1.05 0.32 1.27 0.005 0.05 0.03 0.02 8.15
Aroania 510 21.18 0.24 72.7 0.3 0.21 0.005 0.005 0.03 0.02 0.01 3.99
Aroania 94 11.64 0.02 82.0 0.32 0.55 0.55 0.005 0.1 0.02 0.02 5.3
Aroania 81 3.93 0.82 87.7 2.18 0.31 0.42 0.19 0.5 0.1 0.03 3.83
Aroania 504 3.32 0.80 88.5 2.43 0.33 0.6 0.33 0.65 0.11 0.03 1.96
Aroania 96 2.91 0.51 90.5 1.16 0.8 0.8 0.11 0.26 0.05 0.03 3.21
Aroania 158 2.41 1.40 86.8 3.53 0.21 0.66 0.41 0.98 0.17 0.05 1.91

Avg Aroania MnO > 10 %

 22.83 0.17 63.48 0.59 0.67 0.69 0.01 0.18 0.03 0.02 11.22

 

Trace elements, ppm

 

 

ppm

ppm

ppm

ppm

ppm

ppm

ppm

ppm

ppm

ppm

 
Ba
Co
Cr
Nb
Ni
Pb
V
Y
Zn
Zr
Overall average 6061 133 12 2 120 104 200 16 41 34
65
1583
151
29
3
130
20
117
9
47
12
63
 705 95 4 1 76 6 53 57 23 5
68
 379 99 3 2 55 13 52 9 24 10
66
 636 115 7 2 81 15 50 9 42 12
67
 1058 33 12 2 71 5 50 7 29 7
64
 521 47 10 2 35 6 39 4 10 3
69
 273 16 0 1 15 3 11 3 5 2
Avg Drimos MnO > 10 %
 814 90 11 2 75 11 60 16 29 8
90
 20707 444 14 1 113 197 467 25 53
95
 21055 59 10 1 150 425 26 45 158
80
 7143 323 20 2 270 359 13 87 17
510
 1501 26 15 1 223 177 4 54 3
94
 6138 26 6 73 268 11 21 58
81
 1273 43 6 3 65 2 52 5 17 18
504
 348 8 15 4 82 4 56 3 19 52
96
 813 20 9 3 110 86 99 11 30 24
158
 784 54 18 5 57 15 47.9 7 30 33
Avg Aroania MnO > 10 %
 11309 176 13 1 166 197 339 16 52 59

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
3
   9                    
1
 3                    
6
 15                    
4
 18 1                    
5
 12                    
2
 9 2                    
7
 0                    
10
 58 37                    
12
 13 26                    
8
 16 5                    
16
                    
11
 14 7                    
9
 9 3                    
15
 19 1                    
13
 35 9                    
14
 8.3 36 4.7