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Birim diamond field, Eastern Region, Ghanai
Regional Level Types
Birim diamond field- not defined -
Eastern RegionRegion
GhanaCountry

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Location is approximate, estimate based on other nearby localities.
 
Latitude & Longitude (WGS84): 6° 2' 9'' North , 0° 48' 34'' West (est.)
Margin of Error:~0km
Köppen climate type:Aw : Tropical savanna, wet


Diamonds are found in the gravel layers of Birim River alluvial flats, low terraces, high terraces and, to a lesser extent, uplands within the watershed.

Regions containing this locality

African PlateTectonic Plate
West AfricaUN Subregion

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List

Mineral list contains entries from the region specified including sub-localities

5 valid minerals.

Detailed Mineral List:

Augite
Formula: (CaxMgyFez)(Mgy1Fez1)Si2O6
Habit: Inclusions in diamonds
Reference: Stachel, T., and Harris, J.W. (1997): Contributions to Mineralogy and Petrology 127, 336-352.
Diamond
Formula: C
Enstatite
Formula: MgSiO3
Habit: Inclusions in diamonds
Reference: Stachel, T., and Harris, J.W. (1997): Contributions to Mineralogy and Petrology 127, 336-352.
'Fayalite-Forsterite Series'
Habit: Inclusions in diamonds
Reference: Stachel, T., and Harris, J.W. (1997): Contributions to Mineralogy and Petrology 127, 336-352.
Magnesiochromite
Formula: MgCr2O4
Habit: Inclusions in diamonds
Reference: Stachel, T., and Harris, J.W. (1997): Contributions to Mineralogy and Petrology 127, 336-352.
Pyrope
Formula: Mg3Al2(SiO4)3
Habit: Inclusions in diamonds
Reference: Stachel, T., and Harris, J.W. (1997): Contributions to Mineralogy and Petrology 127, 336-352.

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Diamond1.CB.10aC
Group 4 - Oxides and Hydroxides
Magnesiochromite4.BB.05MgCr2O4
Group 9 - Silicates
Augite9.DA.15(CaxMgyFez)(Mgy1Fez1)Si2O6
Enstatite9.DA.05MgSiO3
Pyrope9.AD.25Mg3Al2(SiO4)3
Unclassified Minerals, Rocks, etc.
'Fayalite-Forsterite Series'-

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 7 - MULTIPLE OXIDES
AB2X4
Magnesiochromite7.2.3.1MgCr2O4
Group 51 - NESOSILICATES Insular SiO4 Groups Only
Insular SiO4 Groups Only with cations in [6] and >[6] coordination
Pyrope51.4.3a.1Mg3Al2(SiO4)3
Group 65 - INOSILICATES Single-Width,Unbranched Chains,(W=1)
Single-Width Unbranched Chains, W=1 with chains P=2
Augite65.1.3a.3(CaxMgyFez)(Mgy1Fez1)Si2O6
Enstatite65.1.2.1MgSiO3
Unclassified Minerals, Mixtures, etc.
'Fayalite-Forsterite Series'-

List of minerals for each chemical element

CCarbon
C DiamondC
OOxygen
O PyropeMg3Al2(SiO4)3
O Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
O EnstatiteMgSiO3
O MagnesiochromiteMgCr2O4
MgMagnesium
Mg PyropeMg3Al2(SiO4)3
Mg Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Mg EnstatiteMgSiO3
Mg MagnesiochromiteMgCr2O4
AlAluminium
Al PyropeMg3Al2(SiO4)3
SiSilicon
Si PyropeMg3Al2(SiO4)3
Si Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Si EnstatiteMgSiO3
CaCalcium
Ca Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
CrChromium
Cr MagnesiochromiteMgCr2O4
FeIron
Fe Augite(CaxMgyFez)(Mgy1Fez1)Si2O6

References

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Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Chirico, P.G., Malpeli, K.C., Anum, Solomon, Phillips, E.C., (2010), Alluvial diamond resource potential and production capacity assessment of Ghana: U.S. Geological Survey Scientific Investigations Report 2010–5045, 25 p.

Localities in this Region
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