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

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PhotosMapsSearch
07493260017272060104291.jpg
Diamond

Akwatia Mine, Birim diamond field, Denkyembour District, Eastern Region, Ghana
07493260017272060104291.jpg
Diamond

Akwatia Mine, Birim diamond field, Denkyembour District, Eastern Region, Ghana
07493260017272060104291.jpg
Diamond

Akwatia Mine, Birim diamond field, Denkyembour District, Eastern Region, Ghana
Latitude & Longitude (WGS84):
6° North , 0° West (est.)
Estimate based on other nearby localities or region boundaries.
Margin of Error:
~12km
GRN:
N05W01
Köppen climate type:
Aw : Tropical savanna, wet
Mindat Locality ID:
209527
Long-form identifier:
mindat:1:2:209527:4
GUID (UUID V4):
0


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.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded from this region.


Mineral List

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

6 valid minerals.

Rock Types Recorded

Note: data is currently VERY limited. Please bear with us while we work towards adding this information!

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

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

ⓘ Augite
Formula: (CaxMgyFez)(Mgy1Fez1)Si2O6
Habit: Inclusions in diamonds
ⓘ Diamond
Formula: C
ⓘ Enstatite
Formula: Mg2Si2O6
Habit: Inclusions in diamonds
ⓘ 'Fayalite-Forsterite Series'
Habit: Inclusions in diamonds
ⓘ Forsterite
Formula: Mg2SiO4
ⓘ Magnesiochromite
Formula: MgCr2O4
Habit: Inclusions in diamonds
ⓘ Pyrope
Formula: Mg3Al2(SiO4)3
Habit: Inclusions in diamonds
Description: Very high chromium

Gallery:

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
ⓘForsterite9.AC.05Mg2SiO4
ⓘPyrope9.AD.25Mg3Al2(SiO4)3
ⓘEnstatite9.DA.05Mg2Si2O6
ⓘAugite9.DA.15(CaxMgyFez)(Mgy1Fez1)Si2O6
Unclassified
ⓘ'Fayalite-Forsterite Series'-

List of minerals for each chemical element

CCarbon
Cⓘ DiamondC
OOxygen
Oⓘ Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Oⓘ EnstatiteMg2Si2O6
Oⓘ ForsteriteMg2SiO4
Oⓘ MagnesiochromiteMgCr2O4
Oⓘ PyropeMg3Al2(SiO4)3
Oⓘ Fayalite-Forsterite Series
MgMagnesium
Mgⓘ Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Mgⓘ EnstatiteMg2Si2O6
Mgⓘ ForsteriteMg2SiO4
Mgⓘ MagnesiochromiteMgCr2O4
Mgⓘ PyropeMg3Al2(SiO4)3
Mgⓘ Fayalite-Forsterite Series
AlAluminium
Alⓘ PyropeMg3Al2(SiO4)3
SiSilicon
Siⓘ Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Siⓘ EnstatiteMg2Si2O6
Siⓘ ForsteriteMg2SiO4
Siⓘ PyropeMg3Al2(SiO4)3
Siⓘ Fayalite-Forsterite Series
CaCalcium
Caⓘ Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
CrChromium
Crⓘ MagnesiochromiteMgCr2O4
FeIron
Feⓘ Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Feⓘ Fayalite-Forsterite Series

Localities in this Region

Ghana

Other Regions, Features and Areas containing this locality

AfricaContinent
African PlateTectonic Plate
West AfricaUN Subregion

This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.

References

Stachel, T., Harris, Jeffrey W. (1997) Syngenetic inclusions in diamond from the Birim field (Ghana) - a deep peridotitic profile with a history of depletion and re-enrichment. Contributions to Mineralogy and Petrology, 127 (4) 336-352 doi:10.1007/s004100050284
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.
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