Gem-fanat 651×561×8 (54936 bytes) Example of open pit mining: Premier Diamond Mine, South Africa, taken from Farrington: Gems and Gem Minerals, published 1903...
DescriptionPremier Diamond Mine (in South Africa LCCN2001705549.jpg English: Title: Premier Diamond Mine (in South Africa Physical description: 1 photographic...
DescriptionPremier Diamond Mine (in South Africa LCCN2001705549.tif English: Title: Premier Diamond Mine (in South Africa Physical description: 1 photographic...
DescriptionCullinan Diamond (replica) (Premier Kimberlite Pipe, Precambrian; Premier Mine, South Africa) 3 (17437634204).jpg Diamond (replica) from the...
DescriptionCullinan Diamond (replica) (Premier Kimberlite Pipe, Precambrian; Premier Mine, South Africa) 1 (17872546950).jpg Diamond (replica) from the...
DescriptionCullinan Diamond (replica) (Premier Kimberlite Pipe, Precambrian; Premier Mine, South Africa) 2 (18061070071).jpg Diamond (replica) from the...
DescriptionCullinan Diamond (replica) (Premier Kimberlite Pipe, Precambrian; Premier Mine, South Africa) 4 (17872516620).jpg Diamond (replica) from the...
DescriptionSouth Africa-Cullinan Premier Mine01.jpg English: Headframe of the Cullinan Diamond Mine (formerly known as the Premier Mine), Cullinan, South Africa...
DescriptionSouth Africa-Cullinan Premier Mine02.jpg English: The pit at the Premier Mine, Cullinan, Gauteng, South Africa. The cross-sectional area of...
(Premier Kimberlite Pipe, Mesoproterozoic, ~1.2 Ga; Premier Mine, near Cullinan, South Africa) 8.jpg English: Kimberlite from the Precambrian of South...