GGL Diamond Corp (C-GGL) - News Release
GGL's Doyle Lake kimberlite extended two kilometres
GGL Diamond Corp GGL
Shares issued 43,722,510 Sep 17 2003 close $ 0.45
Thursday September 18 2003 News Release
Ms. Marsha D'Angelo reports
DOYLE LAKE KIMBERLITE SILL NOW DEFINED AS 2 KM IN LENGTH; DRILL SAMPLES BEING READIED FOR MICRODIAMOND ANALYSIS
GGL Diamond has disclosed the progress by De Beers Canada Exploration Inc. in the area of the diamondiferous sill located on claims LA 26 to 30, in the Doyle Lake area in the Northwest Territories. Exploration on this now-undisputed claim area by De Beers, 60-per-cent owner and project operator, began in August.
The program, designed to obtain additional kimberlite samples for microdiamond analysis and to begin to define the strike length and dip of the Doyle kimberlite, included drilling and follow-up ground geophysical work.
A total of 24 HQ diamond drill holes (diameter of 63 millimetres) were completed; of these, 16 were drilled along the strike line and along the edge of the kimberlite close to the surface. Approximately 160 kilograms of kimberlite was recovered and is available for microdiamond analysis. The average thickness of the kimberlite within these holes was two metres. The 16 drill holes were all located within the area of the previously known kimberlite, originally defined in 1996 by reverse circulation and diamond drilling. At that time, the sill was mapped as being 1.3 kilometres in length, with kimberlite intersections varying from a few centimetres to 5.6 metres.
Three new drill holes successfully explored for kimberlite extensions, including two holes south and one hole north of the 1996 drill holes, extending the strike length of the kimberlite to two kilometres. Two additional drill holes, one 400 metres south and the other 400 metres north of these intersections, did not intersect kimberlite.
Two holes drilled 400 metres east of the northern part of the sill also intersected kimberlitic muds with garnet indicators, with intersections of a few centimetres (there is some uncertainty due to approximately 0.6 metre of lost core). These intersections indicate the potential for a second parallel kimberlite in this area. (In 1996, the kimberlite discovery hole contained only a few centimetres of kimberlitic mud. The 1996 drilling went on to outline 800,000 metric tons of kimberlite with little exploration of the down dip extension.) The last drill hole was stepped out one kilometre north of these two holes and kimberlite was not intersected.
De Beers plans to conduct detailed logging of the kimberlite core prior to sending it out for microdiamond analysis.
In addition to the drilling, ground geophysical surveys were completed in the area of the kimberlite sill and on a potential target on the LA-3 mineral claim. Glacial sediment samples to recover indicator minerals were collected on portions of the LA-1 to LA-4 mineral claims.
The Doyle Lake project, adjacent to Mountain Province's Kennady Lake claims, is located approximately 270 kilometres to the northeast of Yellowknife. De Beers has spent over $6-million to date on the project.
Located 8.5 kilometres southwest of Mountain Province's Hearne kimberlite pipe, the GGL kimberlite sill was discovered in August, 1996. At the time, a 125.2-kilogram sample from the drill cuttings, unavoidably diluted with granite country rock, yielded 67 microdiamonds greater than 0.075 millimetre. An indicator mineral train that reflected a high count and exceptionally good diamond chemistry had led GGL geologists to the sill location. The area was the subject of a protracted ownership dispute, resolved in favour of GGL and De Beers in the spring of 2003.
Photographs of the kimberlite core and a plan of the drill holes will be posted on the company's Web site when the data are finalized. A map of the area may be found on the company's Web site at www.ggldiamond.com.
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