Manuel's River

Location - Newfoundland, Canada Lat 47.5220136 Long 52.9498418

Age (of portore) - 517 Ma

Original size - <0.1 million tonnes of Mn

References

Geological Survey of Newfoundland information page (accessed 2016)

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 Unpublished PhD Dissertation, University of Cincinnati, Cincinnati, OH.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	Fe₂O_3t	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

MF342

MF34l

MF339

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