Woodie Woodie

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Location - Australia: WA

Age of protore - 2760 Ma

Age of hydrothermal phase - 1100-955 Ma

Original size - 8.56 million tonnes of Mn

References

Jones, S., McNaughton, N. J., & Grguric, B., 2013, Structural controls and timing of fault-hosted manganese at Woodie Woodie, East Pilbara, Western Australia. Ore Geology Reviews, v. 50, p. 52-82.

Jones, S., 2011, Proterozoic deformation in the east Pilbara Craton and tectonic setting of fault-hosted manganese at the Woodie Woodie mine. Australian Journal of Earth Sciences, v. 58, p. 639-673.

Rothery, E., 2006, Discovery of large manganese deposits at Woodie Woodie, WA, in Neumayer, P., Outcrop to orebody: Innovative geoscience in exploration and mining: Australian Institute of Geoscientists Bulletin, v. 44, p. 50-52.

Ostwald, J., 1993, manganese oxide mineralogy, petrography and genesis, Pilbara Manganese Group, Western Australia. Mineralium Deposita, v. 28, p. 198-209.

major elements - trace elements - rare-earth elements - REE normalized - isotopes

Major Elements, oxide percent
Sample location	Sample no.	%	%	%	%	%	%	%	%	%	%	%
Sample location	Sample no.	MnO	Fe₂O_3t	SiO₂	Al₂0₃	CaO	MgO	K₂O	Na₂O	TiO₂	P₂0₅	LOI
Average	Oxide ore	61.08	5.68	12.19	1.65	0.52	1.02	1.55	0.26	0.10	0.04	2.55
Woodie-Woodie; Jones	High grade ore	56.8	4.77	13.14	0.61	0.84	0.85	1.23	0.17	0.09	0.02
Woodie-Woodie; Jones	Carawine dol, regional	0.49	0.86	5.56	0.31	27.83	19.43	0.1	0.05	0.01	0.02
Woodie-Woodie; Jones	Carawine dol, close to mine	4.84	2.19	17	0.27	22.57	16.01	0.15	0.04	0.02	0.02
Woodie-Woodie; Jones	Fortescue Grp shale	0.93	5.79	40.24	7.02	10.72	7.52	2.47	0.05	0.04	0.4
Woodie-Woodie; Jones	Fortescue Grp basalt	0.19	10.38	55.95	12.77	4.55	3.59	3.36	2.51	0.23	1.13
Woodie-Woodie; Ostwald	High grade ore	81.3	0.3	1.72	0.47	0.32	0.2	2.52	0.12	0.06	0.01	1.05
Woodie-Woodie; Ostwald	High grade ore	79.5	2.3	1.3	1.04	0.21	0.13	1.45	0.2	0.06	0.04	1.7
Ant Hill; Ostwald	High grade ore	72.5	7.8	0.05	2.28	0.12	0.37	2.71	0.58	0.11	0.05	3.85
Mt Sydney; Ostwald	High grade ore	72.3	3.3	4.26	0.86	0.14	0.12	2.82	0.14	0.06	0.05	1.31
Balfour Downs; Ostwald	High grade ore	70.2	1.3	5.3	6.59	0.1	0.09	3	0.46	0.09	0.02	3.86
Balfour Downs; Ostwald	High grade ore	66.3	7.9	11.6	5.6	0.61	1.49	0.47	0.04	0.11	0.19	3.72
Ripon Hills; Ostwald	High grade ore	55.0	27.2	1.99	3.33	0.06	0.16	1.08	1	0.19	0.02	3.34
Sunday Hill; Ostwald	Low grade ore	25.5	2.7	63.7	1.3	0.07	7	0.94	0.2	0.15	0.02	1.53

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 oxide	101	6311	0.65	262	77	694	20.85	0.33	131	426	13.57		552	0.44	3.79	100.54	19.38	462
High grade ore	50.38	6272	0.65	53.29	76.83	677.65	20.85	0.33	47.08	678.75	13.57		797.62	0.44	3.79	100.54	19.38
Carawine dol, regional	2.4	0	0.1	1.62	14.6	5.2	0.27	0.58	5.46	4.11	2.71		11.07	0.29	0.13	5.9	1.68
Carawine dol, close to mine	22.68	537.6	0.36	8.97	16.96	42.74	3.58	0.29	17.86	49.36	1.9		126.72	0.36	0.44	15.32	5.19
Fortescue Grp shale	32.14	179.2	0.39	22.77	70.88	69.58	2.46	7.01	62.76	27.43	56.96		23.39	4.63	2.02	59	18.84
Fortescue Grp basalt	4.15	806.4	0.14	41.22	61.38	79.59	1.36	15.31	70.11	3.77	70.88		262.36	5.74	1.3	153.84	28.21
High grade ore	76	10483		39	100	1530			79	186			338					241
High grade ore	76	19712		71	100	1110			55	186			254					161
High grade ore	76	3853		2045	50	550			1100	186			423					2250
High grade ore	689	11110		39	50	520			39	93			85					80
High grade ore	76	2330		865	80	290			86	186			507					80
High grade ore	76	90		267	90	600			126	186			507					321
High grade ore	76	179		228	100	170			189	186			254					402
Low grade ore	76	3046		212	50	920			39	186			85					161

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 oxide	16.02	24.90	3.78	15.19	3.10	0.69	2.84	0.45	2.65	0.53	1.39	0.18	1.04	0.15
High grade ore	16.02	24.9	3.78	15.19	3.1	0.69	2.84	0.45	2.65	0.53	1.39	0.18	1.04	0.15
Carawine dol, regional	1.61	3.11	0.35	1.35	0.29	0.07	0.26	0.04	0.23	0.05	0.12	0.03	0.1	0.02
Carawine dol, close to mine	3.97	9.55	1	4.14	0.95	0.59	0.85	0.13	0.77	0.15	0.39	0.06	0.32	0.05
Fortescue Grp shale	19.43	36.58	4.29	16.49	3.37	0.8	3.09	0.51	3.2	0.68	1.86	0.27	1.7	0.25
Fortescue Grp basalt	39.53	78.25	9.15	35.45	6.79	1.86	6.07	0.9	5.59	1.11	3.08	0.43	2.67	0.41
High grade ore
High grade ore
High grade ore
High grade ore
High grade ore
High grade ore
High grade ore
Low grade ore

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	Ce/Ce* @Al=0	Eu/Eu* @Al=0	LaN/YbN @Al=0
avg oxide	43.65	26.02	27.59	21.36	13.42	7.93	9.28	7.76	4.19	0.75	0.71	10.41	0.839	0.601	17.997
High grade ore	43.65	26.02	27.59	21.36	13.42	7.93	9.28	7.76	4.19	0.750	0.711	10.409
Carawine dol, regional	4.39	3.25	2.55	1.90	1.26	0.80	0.85	0.69	0.40	0.971	0.779	10.880
Carawine dol, close to mine	10.82	9.98	7.30	5.82	4.11	6.78	2.78	2.24	1.29	1.123	2.006	8.384
Fortescue Grp shale	52.94	38.22	31.31	23.19	14.59	9.20	10.10	8.79	6.85	0.939	0.758	7.723
Fortescue Grp basalt	107.71	81.77	66.79	49.86	29.39	21.38	19.84	15.52	10.77	0.964	0.885	10.005
High grade ore
High grade ore
High grade ore
High grade ore
High grade ore
High grade ore
High grade ore
Low grade ore

Isotopes
Sample	% Ccarb	% Corg	δ13Ccarb pdb	δ13Ccarb pdb	δ13Corg	δ18Ocarb pdb	δ18Ocarb smow	δ18Ocarb pdb	δ18Ocarb smow	% Stotal	δ34Spy
High grade ore	0.016	0.037
Carawine dol, regional
Carawine dol, close to mine
Fortescue Grp shale
Fortescue Grp basalt
High grade ore	0.010	0.0300
High grade ore	0.018	0.0320
High grade ore	0.018	0.0120
High grade ore	0.014	0.0060
High grade ore	0.018	0.0620
High grade ore	0.024	0.0460
High grade ore	0.018	0.0520
Low grade ore	0.006	0.0540

Stratigraphy

Jones et al 2013