Tectonic controls on kimberlite location, southern Africa ...

2002-10-1  The 035°-trending kimberlite corridors are sub-parallel to the south east coastline of South Africa and oceanic fracture zones, suggesting an association of on-land

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“Kimberlite” and the Source of the Diamond in South

THE origin of the volcanic pipes of South Africa and the genesis of the diamonds contained in their “blue-ground” filling are as productive of controversy as that other geological puzzle—the ...

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Palmietfontein kimberlite pipe, South Africa; a case ...

The Palmietfontein kimberlite pipe is located 150 km northwest of Johannesburg, South Africa. It was emplaced at the contact between mafic rocks of the Bushveld

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Kimberlite-hosted diamond deposits of southern Africa: A ...

The 1.15 Ga Premier kimberlite pipe on the Kaapvaal craton in South Africa hosts several kimberlite and carbonatite dykes. Reconstructions of magma compositions suggest that up to 20 wt.% CO 2 was lost from near-primary kimberlite melts during ascent through the cratonic lithosphere, but the carbonatite dyke compositions cannot be linked to the ...

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jaw crusher for kimberlite ore,

Mobile crushers to crush kimberlite activeimtMobile crusher to crush kimberliteKuntang qj241 mobile jaw crusherThe qj241 is the most compact unit in the world

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Kimberlite-hosted diamond deposits of southern Africa: A ...

Following the discovery of diamonds in river deposits in central South Africa in the mid nineteenth century, it was at Kimberley where the volcanic origin of diamonds was first recognized. These...

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Mothae Kimberlite Mine, Lesotho - Mining Technology

2020-10-26  The Mothae mine is a kimberlite diamond mine located in Lesotho, Africa. It is owned by Lucapa Diamond Company (70%) in partnership with the Government of the Kingdom of

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Botswana Diamonds: South African kimberlite exploration ...

2017-7-21  Two 200 m deep, large diameter 13 inch boreholes were drilled on kimberlite AK 21 to test the diamond grade at depth. 80 t of material were collected but the

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Geology of the Kroonstad kimberlite cluster, South Africa.

Location of the Kroonstad Kimberlite Cluster (KKC) relative to the major kimberlite provinces on the Kaapvaal Craton (pale brown), South Africa (grey). Distribution

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Geochemistry of the Uintjiesberg kimberlite, South Africa ...

2004-6-1  The Uintjiesberg kimberlite pipe, situated in the Northern Cape Province, South Africa, is located about 60 km from the southwestern boundary of the Kaapvaal craton (Fig. 1). It is an off-craton, Group I kimberlite, with a Rb–Sr age of 100 Ma (Smith, 1983).

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“Kimberlite” and the Source of the Diamond in South

THE origin of the volcanic pipes of South Africa and the genesis of the diamonds contained in their “blue-ground” filling are as productive of controversy as that other geological puzzle—the ...

Get Price

jaw crusher for kimberlite ore,

Mobile crushers to crush kimberlite activeimtMobile crusher to crush kimberliteKuntang qj241 mobile jaw crusherThe qj241 is the most compact unit in the world leading series of jaw crushers from kuntangSpecifically designed for the smaller chat now mobile crushers in south africa balaji logisticsResults 1 20 of 871 crushing. More

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Geochemistry of the Uintjiesberg kimberlite, South Africa ...

2004-6-1  The Uintjiesberg kimberlite pipe, situated in the Northern Cape Province, South Africa, is located about 60 km from the southwestern boundary of the Kaapvaal craton .It is an off-craton, Group I kimberlite, with a Rb–Sr age of 100 Ma (Smith, 1983).This is a similar age to other Cretaceous Group 1 kimberlites in South Africa emplaced at 80–114 Ma (Smith, 1983).

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ZI Cone Crusher THE STORIES Kawasaki Heavy Industries ...

2021-1-12  Southern Africa is one of the largest diamond producing areas in the world, and 14 units of the ZI Cone Crusher have been installed and are in operation in Botswana, South Africa, Namibia and Lesotho. Kimberlite ore, which contains diamonds, has special characteristics.

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The discovery of South Africa’s first four kimberlite pipes

2010-6-11  South Africa’s two other great kimberlite pipes were discovered some months later. The two pipes, which would become known as the De Beers and

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Mothae Kimberlite Mine, Lesotho - Mining Technology

2020-10-26  The Mothae mine is a kimberlite diamond mine located in Lesotho, Africa. It is owned by Lucapa Diamond Company (70%) in partnership with the Government of the Kingdom of Lesotho (30%). The 1.1Mtpa Mothae processing plant was commissioned

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Kimberlite Sills and Dykes Associated with the Wesselton ...

2020-3-25  SOUTH AFRICAN JOURNAL OF GEOLOGY 2 KIMBERLITIC SILLS, WESSELTON KIMBERLITE PIPE, SOUTH AFRICA Figure 1. Location of Wesselton Mine, other major kimberlite occurrences around Kimberley, the Wesselton sill complex, and the Benfontein sill. Note the northwest to southeast alignment of the five major diamondiferous kimberlite pipes.

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Petrology of the hypabyssal kimberlite of the Kroonstad ...

2011-7-1  The Kroonstad Group II Kimberlite Cluster is located 30 km north-east from the town of Kroonstad in the Free State Province of South Africa and is made up of six pipes and numerous intrusive dykes/sills.The six pipes are the Lace, Voorspoed, Besterskraal North,

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The megacryst suite from the Schuller kimberlite, South

2020-7-20  The Schuller kimberlite is situated in the Cullinan district of the Transvaal Province, South Africa, approximately 30 km east-northeast of Pretoria. The precise location of the mine is 25° 45' 37'' south and 28° 31' 50'' east, at an elevation of 1505 m above sea level.

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Kimberlite Properties, Composition and Formation

Kimberlite is an igneous rock that major source of diamonds.Kimberlite is a variety of peridotite.It is rich in mica minerals content and often in form of crystals of phlogopite. Other containt abundant minerals are chrome-diopside, olivine, and chromium- and pyrope-rich garnet.Kimberlite is typically found in pipes – structures with vertical edges that are roughly circular in cross-section.

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Palmietfontein kimberlite pipe, South Africa; a case ...

The Palmietfontein kimberlite pipe is located 150 km northwest of Johannesburg, South Africa. It was emplaced at the contact between mafic rocks of the Bushveld complex and syenites of the Pilanesberg complex, and coincides with the intersection of two major faults.

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“Kimberlite” and the Source of the Diamond in South

THE origin of the volcanic pipes of South Africa and the genesis of the diamonds contained in their “blue-ground” filling are as productive of controversy as that other geological puzzle—the ...

Get Price

Botswana Diamonds: South African kimberlite exploration ...

2017-7-21  Two 200 m deep, large diameter 13 inch boreholes were drilled on kimberlite AK 21 to test the diamond grade at depth. 80 t of material were collected but the analysis in South Africa was of poor quality and failed to recover any of nine control diamonds

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ZI Cone Crusher THE STORIES Kawasaki Heavy Industries ...

2021-1-12  Southern Africa is one of the largest diamond producing areas in the world, and 14 units of the ZI Cone Crusher have been installed and are in operation in Botswana, South Africa, Namibia and Lesotho. Kimberlite ore, which contains diamonds, has special characteristics.

Get Price

The discovery of South Africa’s first four kimberlite pipes

2010-6-11  South Africa’s two other great kimberlite pipes were discovered some months later. The two pipes, which would become known as the De Beers and

Get Price

KIMBERLITES NEAR SIKERETI, NORTH-EASTERN SOUTH

2016-6-16  kimberlite indicator minerals in those regions of South West Africa/Namibia which are covered by Kalahari de-posits, CDM Prospecting (Pty) Ltd during 1975 carried out regional mapping and soil sampling in the north-eastern portion of the Territory. In the course of this work a geological reconnaissance map of Area 1920, to

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The Oaks mine, Marnitz kimberlite cluster, Swartwater ...

The Oaks mine, Marnitz kimberlite cluster, Swartwater, Blouberg Local Municipality, CapriGypsum District, Limpopo, South Africa : An open pit diamond mine in a small kimberlite pipe, owned by De Beers. The pipe was discovered in 1988 and mined since 1999. The estimated mine life was only 8 years, to a final pit depth of 200 m. ...

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The megacryst suite from the Schuller kimberlite, South

2020-7-20  The Schuller kimberlite is situated in the Cullinan district of the Transvaal Province, South Africa, approximately 30 km east-northeast of Pretoria. The precise location of the mine is 25° 45' 37'' south and 28° 31' 50'' east, at an elevation of 1505 m above sea level.

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open pit kimberlite pipe mining equipment crusher usa

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Kimberlite Properties, Composition and Formation

Kimberlite is an igneous rock that major source of diamonds.Kimberlite is a variety of peridotite.It is rich in mica minerals content and often in form of crystals of phlogopite. Other containt abundant minerals are chrome-diopside, olivine, and chromium- and pyrope-rich garnet.Kimberlite is typically found in pipes – structures with vertical edges that are roughly circular in cross-section.

Get Price