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Kankan diamond District, Kankan Region, Guinea

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Location is approximate, estimate based on other nearby localities.
 
Latitude & Longitude (WGS84): 9° 18' 11'' North , 8° 41' 53'' West (est.)
Margin of Error:~0km
Locality type:District
Köppen climate type:Aw : Tropical savanna, wet


Alluvial diamond mining. Primary diamond sources are Cretaceous diamondiferous kimberlite intrusions nearby.

Regions containing this locality

West Africa

UN Subregion - 510 mineral species & varietal names listed

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


5 valid minerals.

Detailed Mineral List:

Diamond
Formula: C
Reference: Weiss, Y., Kessel, R., Griffin, W. L., Kiflawi, I., Klein-BenDavid, O., Bell, D. R., ... & Navon, O. (2009). A new model for the evolution of diamond-forming fluids: Evidence from microinclusion-bearing diamonds from Kankan, Guinea. Lithos, 112, 660-674.; Stachel, T., Harris, J., Aulbach, S., & Deines, P. (2002). Kankan diamonds (Guinea) III: δ13C and nitrogen characteristics of deep diamonds. Contributions to Mineralogy and Petrology, 142(4), 465-475.
Jeffbenite
Formula: Mg3Al2Si3O12
Reference: Nestola, F., Burnham, A. D., Peruzzo, L., Tauro, L., Alvaro, M., Walter, M. J., ... & Kohn, S. C. (2016). PREPUBLICATION: Tetragonal Almandine-Pyrope Phase, TAPP: finally a name for it, the new mineral jeffbenite. Mineralogical Magazine.
Majorite
Formula: Mg3(Fe2+,Si,Al)2(SiO4)3
Reference: Stachel, T., Harris, J., Aulbach, S., & Deines, P. (2002). Kankan diamonds (Guinea) III: δ13C and nitrogen characteristics of deep diamonds. Contributions to Mineralogy and Petrology, 142(4), 465-475.
Periclase
Formula: MgO
Reference: McCammon, C. A., Stachel, T., & Harris, J. W. (2004). Iron oxidation state in lower mantle mineral assemblages: II. Inclusions in diamonds from Kankan, Guinea. Earth and Planetary Science Letters, 222(2), 423-434.
Periclase var: Ferropericlase
Formula: (Mg,Fe)O
Reference: McCammon, C. A., Stachel, T., & Harris, J. W. (2004). Iron oxidation state in lower mantle mineral assemblages: II. Inclusions in diamonds from Kankan, Guinea. Earth and Planetary Science Letters, 222(2), 423-434.
Perovskite
Formula: CaTiO3
Reference: McCammon, C. A., Stachel, T., & Harris, J. W. (2004). Iron oxidation state in lower mantle mineral assemblages: II. Inclusions in diamonds from Kankan, Guinea. Earth and Planetary Science Letters, 222(2), 423-434.

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
'Diamond'1.CB.10aC
Group 4 - Oxides and Hydroxides
Periclase4.AB.25MgO
var: Ferropericlase4.AB.25(Mg,Fe)O
Perovskite4.CC.30CaTiO3
Group 9 - Silicates
Majorite9.AD.25Mg3(Fe2+,Si,Al)2(SiO4)3
Unclassified Minerals, Rocks, etc.
Jeffbenite-Mg3Al2Si3O12

List of minerals arranged by Dana 8th Edition classification

Group 1 - NATIVE ELEMENTS AND ALLOYS
Semi-metals and non-metals
Diamond1.3.6.1C
Group 4 - SIMPLE OXIDES
AX
Periclase4.2.1.1MgO
A2X3
Perovskite4.3.3.1CaTiO3
Group 51 - NESOSILICATES Insular SiO4 Groups Only
Insular SiO4 Groups Only with cations in [6] and >[6] coordination
Majorite51.4.3a.5Mg3(Fe2+,Si,Al)2(SiO4)3
Unclassified Minerals, Rocks, etc.
Jeffbenite-Mg3Al2Si3O12
Periclase
var: Ferropericlase
-(Mg,Fe)O

List of minerals for each chemical element

CCarbon
C DiamondC
OOxygen
O Periclase (var: Ferropericlase)(Mg,Fe)O
O JeffbeniteMg3Al2Si3O12
O MajoriteMg3(Fe2+,Si,Al)2(SiO4)3
O PericlaseMgO
O PerovskiteCaTiO3
MgMagnesium
Mg Periclase (var: Ferropericlase)(Mg,Fe)O
Mg JeffbeniteMg3Al2Si3O12
Mg MajoriteMg3(Fe2+,Si,Al)2(SiO4)3
Mg PericlaseMgO
AlAluminium
Al JeffbeniteMg3Al2Si3O12
SiSilicon
Si JeffbeniteMg3Al2Si3O12
Si MajoriteMg3(Fe2+,Si,Al)2(SiO4)3
CaCalcium
Ca PerovskiteCaTiO3
TiTitanium
Ti PerovskiteCaTiO3
FeIron
Fe Periclase (var: Ferropericlase)(Mg,Fe)O

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Weiss, Y., Kessel, R., Griffin, W. L., Kiflawi, I., Klein-BenDavid, O., Bell, D. R., ... & Navon, O. (2009). A new model for the evolution of diamond-forming fluids: Evidence from microinclusion-bearing diamonds from Kankan, Guinea. Lithos, 112, 660-674.
Contrib. Mineral. Petrol., 140, 16-27
Contrib. Mineral. Petrol., 142, 465-475

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