The "Kasai river" diamond placers are mostly in the northward-flowing tributaries the Tshikapa, Longashimo (Longatchimo), and Tshipumbu rivers.

In fact, it is common to hear the phrase “the diamond heartland of North Eastern Angola” used in reference to the Kwango River valley.

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It is 1,100 kilometres (680 mi) long from its source to its confluence with Congo River, of which 855 kilometres (531 mi) lies in Angola.The lean season flow in the river occurs during August.

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One The iDredge commissioned by diamond explorer Africa Resources AB and designed and fabricated by proudly South African company Imilingo Mineral Processing has produced 14.1 carats from 1 200 kg of alluvial/gravel deposits in the Kasai River of the DRC during the dredges’ first test run.

The most probable trigger to British and Portuguese great interests in the Kasai River is the presence of alluvial diamonds lying in rich deposit beds, especially at the river’s mouth.

Select Mineral List Type Tshikapa, village, Democratic Republic of the Congo, on the Kasai River, about 30 miles (50 km) north of the Angolan border. The Tshikapa Diamond Field lies directly downstream of the alluvial diamond fields of north-eastern Angola. Analysis of 40 inclusion-bearing diamonds provides new insights into the characteristics and evolution of ancient lithospheric mantle of the Congo craton.

Slave traders used one of its major tributaries, the Kwango River, to navigate the equatorial rain forest, capture slaves and find their way back to the Atlantic Ocean where they had docked their ships. The Rund kingdom for instance, readily provided slaves for most notorious slave traders like John Matthews, a renowned British slave vendor. The most probable trigger to British and Portuguese great interests in the Kasai River is the presence of alluvial diamonds lying in rich deposit beds, especially at the river’s mouth.

The sparkle without harming the planet.

Virtually any topic for the virtual learner. The longest river in the southern Congo River b…

It flows through Malanje town in Angola.

The lower stretch of the river from the confluence with Fimi river, is known …

Stanley, H.M., 1899, Through the Dark Continent, London: G. Newnes, Vol. Het dagelijkse leven in de "Diamond Square Mile".

South Kasai (French: Sud-Kasaï) was an unrecognised secessionist state within the Republic of the Congo (the modern-day Democratic Republic of the Congo) which was semi-independent between 1960 and 1962. From Ilebo, between the confluences with Lulua river and Sankuru river, the Kasai river turns to a westerly direction. The Tshikapa Diamond Field is situated within the West Kasai Region of the Democratic Republic of Congo in the Kasai-Occidental Province, within the Congo-Angola diamond province.

The average annual discharge in the lower reaches of the river is 2,700 cubic metres (95,000 cu ft)/sProspecting permits have been awarded to BRC, extending to an area of 2,150 kilometres (1,340 mi) between Tembo and Kasonga Lunda over the Kwango River stretch of about 185 kilometres (115 mi).NASA Satellite map showing Kwango River entering Kasai River

The Kasai River (called Cassai in Angola) is a tributary (left side) of the Congo River, located in Central Africa.

Diamonds are the blessing of Kasai, a vast region of five provinces in Democratic Republic of Congo that in many ways holds the key to the country's future.

The tributaries of River Kasai are clear of obstacles like cataracts and river weed, making them very navigable. The river’s role in transport and trade was more prominent during the pre-colonial period when slave trade was legal. Kasai River, river in central Africa. (in Dutch). History at your fingertips This is because the diamond alluvial beds found in this region are the richest in Angola.

Here is a very fine iridescent, lustrous diamond crystal from the Congo's Kasai River diamond fields..... $160.00.

Initially proposed as only a province, South Kasai sought full autonomy in similar circumstances to the much larger neighbouring state of Katanga, to its south, during the political … These activities, though they occurred between 18th and 19th centuries, left a lasting impact in the regions where they were most prominent, like between Kwango and Kwilu rivers.

Be on the lookout for your Britannica newsletter to get trusted stories delivered right to your inbox. Alluvial diamonds from the Kasai River, Democratic Republic of the Congo (DRC) are sourced from Cretaceous kimberlites of the Lucapa graben in Angola.

Data: Mineral Data: Click here to view Diamond data: Locality Data: Click here to view Kasai river alluvials, Kasaï, DR Congo: Photo Gallery: View Gallery (3 photos) Nearest other occurrences of Diamond

Over many years, traditional river-based alluvial diamond mining has seen divers scouring the riverbed with … GPS coordinates are currently set for the Kasai River in the town of Tshikapa. Add to Cart.

More deposits lie along the beds of its major tributary, the Kwango River.

First discovered in 1909, but largely unexploited until 1913 [Durnez, 2008].

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