Tambao

If you have additions or corrections to the data for this deposit please contact webmaster

Location - Burkina Faso

Age (of protore) - Birimian: 2100-2000

Original size -13.2 million tonnes of Mn (7 in oxide, 6.2 in carbonate)

References

Varentsov, I.M., 1996, Manganese Ores of Supergene Zone: Geochemistry of Formation: Dordrecht, Kluwer Academic Publishers, 342 pp.

Beauvais, A., G. Ruffet, O. Hénocque, and F. Colin (2008), Chemical and physical erosion rhythms of the West African Cenozoic morphogenesis: The ³⁹Ar-⁴⁰Ar dating of supergene K-Mn oxides: Journal Geophysical Research, v. 113,p. F04007, doi:10.1029/2008JF000996.

Blazy, P., and Houot, R., 1969, Treatment of the manganese ore from Tambao, Upper Volta: Unpublished Report, Ecole nationale supérieure de géologie appliqué et de prospection minière - Nancy

Mining Magazine, June, 1981, Tambao manganese deposit, Upper Volta, p. 437.

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

Major Elements, oxide percent

Sample number and type

MnO_total

Fe₂O_3t

SiO₂

Al₂0₃

CaO

MgO

K₂O

Na₂O

TiO₂

P₂0₅

LOI

Average

Mn carbonate

31.2

3.8

17.81

1.63

0.54

0.07

0.38

8.9

supergene ore

39.8

6.92

15.2

15.87

0.05

0.06

0.12

0.32

0.75

10.9

high grade ore bed 1

53.35

4.63

0.344

high grade ore bed 2

71.34

1.41

0.344

high grade ore bed 3

74.18

1.26

2.11

2.38

0.229

2.98

battery-active sample 1

77.0

0.87

1.1

0.52

0.9

0.37

0.229

2.63

battery-active sample 2

74.3

1.66

0.88

1.11

1.5

0.13

0.321

3.34

battery-active sample 3

75.7

0.8

0.51

1.07

1.77

<0.1

0.321

3.03

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
Battery-active samples																			nr
1				0.047		0.01			0.111	<0.001								0.021
2				0.065		0.013			0.096	<0.001								0.025
3				0.077		0.011			0.037	<0.001								0.028