To: Miles who wrote (1377 ) 3/25/1998 2:04:00 AM From: Lilian Debray Respond to of 5206
>>I asked a direct question a few days ago and nobody replied to me.<<Message 3827065 Just to set the record straight: To: +Miles (1361 ) From: +Kidman Sunday, Mar 22 1998 2:36PM EST Reply # of 1379 Hi Miles, Im new to this thread and to diamond stocks. I've been watching this company for a while now. You said in your post that we have some of the largest kimberlites in the world. What are the criteria for kimberlite size, and where can I find this info. To: +Kidman (1363 ) From: +BUDDY MOYNIHAN Monday, Mar 23 1998 11:08AM EST Reply # 1364 miles - 1361 - the wait better be worth it..... yes we have 12 trillion pounds (actually 13.2 trillion since it is 6 billion metric tonnes but...) of the green stuff.... To: Kidman From: Lilian Debray Sunday, Mar 22 1998 8:00PM EST Kidman: Welcome to the thread. In case Miles wouldn't have the information at his finger tips, here is what another threadster send me a while back. Good luck. kensington-resources.com kensington-resources.com Message 2445453 In one of his report on FALC, Professor Peter Nixon has compared Fort a la Corne to Ndugr Mayi in Zaire. From 1930 to 1990, the mine at Ndugr Mayi produced 1/3 of the world diamond production. "Due to the high gem content of the Orapa, Jwaneng and Letlhakane mines, Botswana ranks as the largest value producer of diamonds for any one country. The Jwaneng mine alone is widely regarded as the "gem" amongst diamond mines worldwide due to its large size (54 hectares - 170 MM tonnes) , high grade (135ct/100t) and high relative gem content (50%)." winspear.com "The size is significant. If you were to turn the 600 metre wide pipe into a 300 metre deep cone-shaped pit, you would have to haul out 70 million tonnes of kimberlite. The K6 pipe, whose magnetic signature implies an elongate body of 600 metres by 300 metres, yielded 33 micros and 3 macros from 153.7 kg. In terms of initial results, these pipes certainly look more promising than the NWT's biggest pipe, the 54 acre Drybones Pipe. But while nothing else has been found in the vicinity of Drybones, the word on the street is that Ashton has 80-90 geophysical targets on its 1.45 million acre core holding. The word of caution from Ashton is that these numbers include lower priority targets that are much more ambiguous than the several dozen obvious targets that Ashton will begin drilling this summer." Premium Kaiser Express - Monday, June 02, 1997 "Extremely rich but small kimberlites [were] discovered a couple years ago about 400 km northeast of Mirny in Russia. These Russian pipes, emplaced during the late Paleozoic period, have run 8 ct/t with values of $200/ct. With such grades and values it doesn't matter that they have a surface area of only 1 ha." Premium Kaiser Express - Monday, February 24, 1997 "The Panda pit will ultimately be a near-perfect circle with a diameter of 900 metres. The kimberlite zone occupies about one-quarter of the pit. The feasibility study proposes that the Panda pipe be mined by conventional open-pit methods for the first five years, to be followed by six years of underground mining. Reserves minable by open-pit methods are estimated at 12.6 million tonnes grading 1.09 carat per tonne, whereas underground reserves are calculated at 800,000 tonnes grading 0.97 carat per tonne. The diamonds are valued at US$130 per carat. Open-pit mining of the Misery pipe is scheduled to begin in the second year and continue to year 15. Minable reserves stand at 5.5 million tonnes grading 4.26 carats per tonne,with a diamond value of US$26 per carat. The Koala pipe is slated to be mined by open-pit methods from years 5 to 11, and by underground methods from years 11 to 15. Minable pit reserves are estimated at 14.6 million tonnes grading 0.76 carat per tonne, with underground reserves pegged at 2.8 million tonnes grading 1.63 carats per tonne. The diamonds are valued at US$122 per carat. The Sable pipe will be mined by open-pit beginning in year 10 through to year 15. Reserves are calculated at 12.9 million tonnes grading 0.93 carat per tonne, with a diamond value of US$64 per carat. With reserves totalling 16.7 million tonnes grading 0.4 carat per tonne and a diamond value of US$125 per carat, the Fox pipe is scheduled to be mined by open-pit methods from years 11 to 17." The Northern Miner Vol. 83 No. 22 July 28, 1997 The well-known Premier Pipe, at Cullinan in Gauteng, the largest in South Africa, covers an area of 54 ha. The average mine in South Africa produces 33 carats per 100 tonnes; the Premier Mine produces 10 percent gem quality. On the average, the Premier Mine produces a plus 50 carat diamond once every three months. The Premier, the biggest pipe in South Africa and, geologically, by far the oldest, was discovered at Cullinan near Pretoria in 1902. The world's largest gem diamond, the 3 106 carat Cullinan, was found here in 1905. nrcan.gc.ca nrcan.gc.ca Message 3216833 woza.co.za geology.wisc.edu dc.peachnet.edu