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Ore deposit description:

Identifier: TZA-00045
Name(s): Bulyanhulu
Country(ies): TANZANIA (United Republic of Tanzania) -
Commodity(ies):
NameProduction 3 year averageReserveResourceUnitClassOre type(s)
Gold18.60 9.25360130 tA Native-element ore.
Copper0 ?0120 000 tC Primary sulphide ore (complex-sulphides, arsenides, sulphosalts, etc.).
Silver0 ?00 tN/A Primary sulphide ore (complex-sulphides, arsenides, sulphosalts, etc.).
Main morphology: Discordant envelope of disseminated ore
Morphology(ies): Discordant lode or vein (thickness > 50 cm), in clusters or isolated - Discordant envelope of disseminated ore - Tabular-shaped orebody of secondary origin - Concordant to subconcordant primary orebody -
Deposit type(s): Shear / fault zone, vein; Ashanti-type - Residual concentration - Volcanogenic massive sulphides (VMS); Guemassa-, Arabian-Nubian-types, etc. -
Host rock(s): Graphitic schist - Meta-andesite, meta-intermediate volcanic rock - Chert, jasper, jaspilite - Meta-tuff - Laterite (s.l.) and ferruginous duricrust -
Exploitation type(s): Underground mining -
Ages:
MineralisationHost rock
UpperLowerUpperLower
QuaternaryNeoarcheanMesoarcheanMesoarchean
Status: Producing industrial mine
Localization:

Class definition: for the considered commodity, following its calculated total potential (passed production + reserves + resources), the ore deposit is classified into class A (very large deposit), B (large deposit), C (medium deposit), D (small deposit), E (occurrence), or N/A (no information available).
Used units are: t = metric ton (1000 kg), ct = carat

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