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Tongo-Tonguma Diamond Project (Tongo-Panguma Kimberlite Field), Kenema District, Eastern Province, Sierra Leone

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Latitude & Longitude (WGS84): 8° 13' 35'' North , 11° 4' 31'' West
Latitude & Longitude (decimal): 8.22658,-11.07538
GeoHash:G#: ec2ngcx5k
Other regions containing this locality:West Africa
Owned/operated by:Stellar Diamonds plc
Locality type:Project
Köppen climate type:Am : Tropical monsoon climate


Diamond project 50 km S of Yengema.

The dykes are narrow (0.2 to 0.5 m thick) but very rich in grade. The diamonds are predominantly of gem quality.

Combined inferred resource of 4.5 million carats.


Commodity List

This is a list of exploitable or exploited mineral commodities recorded at this locality.


Mineral List


1 valid mineral.

Regional Geology

This geological map and associated information on rock units at or nearby to the coordinates given for this locality is based on relatively small scale geological maps provided by various national Geological Surveys. This does not necessarily represent the complete geology at this locality but it gives a background for the region in which it is found.

Click on geological units on the map for more information. Click here to view full-screen map on Macrostrat.org

Archean
2500 - 4000 Ma



ID: 3186476
Archean crystalline metamorphic rocks

Age: Archean (2500 - 4000 Ma)

Lithology: Orthogneiss/paragneiss

Reference: Chorlton, L.B. Generalized geology of the world: bedrock domains and major faults in GIS format: a small-scale world geology map with an extended geological attribute database. doi: 10.4095/223767. Geological Survey of Canada, Open File 5529. [154]

Mesoarchean - Paleoarchean
2800 - 3600 Ma



ID: 3307733

Age: Archean (2800 - 3600 Ma)

Lithology: Plutonic and metamorphic

Reference: Thiéblemont, D. (ed.). New edition of the 1:10,000,000 geological map of Africa. CGMW-BRGM. [190]

Data and map coding provided by Macrostrat.org, used under Creative Commons Attribution 4.0 License



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.

Documents

Title (click to view)YearAuthor
Building the Tongo-Tonguma Diamond Mine2017Stellar Diamonds plc
Mineral and/or Locality  
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