Manuel's River

Location - Newfoundland, Canada

Age (of portore) - 517 Ma

Original size - <0.1 million tonnes of Mn

References

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

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 Unpublished PhD Dissertation, University of Cincinnati, Cincinnati, OH.

Mohr, P.A., 1956, A geochemical study of the Lower Cambrian manganese ore of the Harlech Dome, North Wales, in Gonzalez-Reyna, J., ed., Symposium Sobre Yacimientos de Manganeso: Mexico City, XX Congreso Geological International, v. 5, p. 273-290.

Scott, J.W., 1952, The Cambrian manganese deposits of southeastern Newfoundland: Geological Survey of Canada, Open File Report 122.

Dale, N.C., 1915, The Cambrian manganese deposits of Conception and Trinity Bays, Newfoundland: Proceedings of the American Philosophical Society, v. 54, p. 371-456.

major elements - trace elements - C-S-Fe -isotopes

Major Elements, oxide percent

 

 

 

%

%

%

%

%

%

%

%

%

%

%

MnO
Fe2O3t
SiO2
Al203
CaO
MgO
K2O
Na2O
TiO2
P205
LOI

Average

 

Mn carb
18.92
7.29
31.45
10.92
7.52
2.31
0.34
1.44
0.41
1.14
20.56
MF343 unaltered ore
13.01
6.49
39.67
10.71
6.69
1.65
0.42
2.13
0.44
0.58
17.54
MF346 unaltered ore 17.13 8.40 27.93 10.47 8.52 1.23 0.50 0.95 0.26 0.34 22.26
MF347 unaltered ore 18.53 6.61 34.69 13.28 3.20 2.77 0.10 1.23 0.54 0.41 18.32
  phosphatic ore
35.53
6.89
24.70
6.11
11.3
2.3
-
-
-
31.04
  phosphatic ore
26.05
6.11
27.61
6.96
9.94
3.49
-
-
4.71
15.3
  phosphatic ore
19.42
10.01
18.24
14.52
13.74
4.94
-
-
1.71
26.08

 

Trace elements, ppm

 

 

ppm

ppm

ppm

ppm

ppm

ppm

ppm

ppm

ppm

ppm

ppm

ppm

ppm

ppm

ppm

ppm

 

Ba
Co
Cr
Cu
Mo
Nb
Ni
Pb
Rb
Sr
Th
U
V
Y
Zn
Zr
avg 8004 16 44 4 15 18 33 219 2.5 7 29 45 52
MF343
7874
18
48
bd
bd
4
18
20
34
291
3
bd
15
35
59
70
MF346
13518
14
26
bd
bd
3
2.5
27
20
306
2
bd
2.5
29
30
43
MF347
2621
17
57
bd
bd
5
25
6
43
61
3
bd
2.5
22
47
43

blank or nr = not reported; bd = below detection

C-S-Fe

 

Sample # Formation lithology age
TOC
Sulfide S
DOP Total  Fe2+/total
            Reactive Fe Reactive Fe
MF356 Elliott Cove Fmn black shale
l Camb
0.50 1.84 0.44 3.65 0.58
MF355 Elliott Cove Fmn gray shale
l Camb
0.33 0.23 0.08 2.69 0.77
MF354 Manuels River Fmn black shale
m Camb
2.19 1.41 0.21 5.87 0.68
MF349 Manuels River Fmn black shale
m Camb
0.54 0.10 0.02 3.93 0.48
MF350 Chamberlain's Brook Fmn black shale
m Camb
1.11 0.14 0.03 4.49 0.33
MF351 Chamberlain's Brook Fmn Siderite
m Camb
0.76 0.10 0.02 5.14 0.47
MF348 Chamberlain's Brook Fmn Siderite
m Camb
0.80 0.05 0.01 6.63 0.37
MF353 Chamberlain's Brook Fmn Siderite
m Camb
         
MF352 Chamberlain's Brook Fmn gray shale
m Camb
0.37 0.08 0.01 5.46 0.11
MF344 Chamberlain's Brook Fmn gray shale
m Camb
0.55 0.04 0.01 5.97 0.83
MF347a Chamberlain's Brook Fmn gray shale
m Camb
0.33 0.11 0.01 6.67 0.48
MF347 ore bed ore
m Camb
0.34 0.05 0.01 3.25 0.23
MF346 ore bed ore
m Camb
0.25 0.02 0.01 2.51 0.11
MF343 ore bed ore m Camb 0.21 0.04 0.01 3.60 0.44
MF343 Brigus Fmn gray shale
e Camb
0.33 0.03 0.02 1.65 0.06
MF342 Brigus Fmn gray shale
e Camb
0.49 0.05 0.01 6.24 0.92
MF34l Brigus Fmn gray shale
e Camb
0.32 0.08 0.02 3.75 0.36
MF339 Brigus Fmn sandstone
e Camb
0.36 0.06 0.01 3.83 0.40

 

Isotopes

Sample
%S ore δ34S ore, sulfide %S host δ34S host, sulfide δ13C pdb δ18O pdb δ18O smow 87Sr/86Sr  
avg                
MF356                
MF355                
MF354                
MF349                
MF350                
MF351        
6.70
16.42
   
MF348        
-6.43
17.83
   
MF353        
-3.42
13.87
   
MF352                
MF344                
MF347a                
MF347                
MF346                
MF343                
MF343                
MF342                
MF34l                
MF339                

 

 

Stratigraphic section at Manuels River [click here to see full size]