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HWW Kimberley Northern Cape South Africa 2nd June 1982
It's difficult to capture the depth of the "Big Hole" in Kimberley but the height of the buildings give an idea of the scale. It's a real vertical wall of rock.
Kimberlite, an ultramafic igneous rock and a rare variant of peridotite, is most commonly known to be the main host matrix for diamonds. It is named after Kimberley where diamonds were mined from this hole.
Kimberlite occurs in the Earth's crust in vertical structures known as kimberlite pipes, as well as igneous dykes and can also occur as horizontal sills. The consensus on kimberlites is that they are formed deep within the mantle, hence at high temperatures and pressures.
HWW to everyone. Have a great day!
Kimberlite, an ultramafic igneous rock and a rare variant of peridotite, is most commonly known to be the main host matrix for diamonds. It is named after Kimberley where diamonds were mined from this hole.
Kimberlite occurs in the Earth's crust in vertical structures known as kimberlite pipes, as well as igneous dykes and can also occur as horizontal sills. The consensus on kimberlites is that they are formed deep within the mantle, hence at high temperatures and pressures.
HWW to everyone. Have a great day!
Nouchetdu38, Eva Lewitus, Ulrich John, Don Sutherland and 8 other people have particularly liked this photo
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HWW, enjoy the day. Herb
Thank you for the interesting information Pete. Peridotite is the primary source of the peridot gemstone also I understand. It must have been a fascinating visit.
HWW
en.wikipedia.org/wiki/Big_Hole
en.wikipedia.org/wiki/Super_Pit_gold_mine
Or this smaller one south of Cobar, Australia. www.ipernity.com/doc/grahamh/24301253
Loose_Grip/Pete club has replied to GrahamH clubGrahamH club has replied to Loose_Grip/Pete clubHWW Pete
HFF & Best wishes
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