high-grade


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high-grade

[′hī ‚grād]
(mining engineering)
To steal or pilfer ore or gold from a mine or miner.
References in periodicals archive ?
In my view, the real reason why esophagectomy is controversial in Barrett's esophagus and high-grade dysplasia is the poor postsurgical morbidity and mortality rates in the United States.
6) Elective neck dissection has also been suggested for high-grade tumors and larger tumors because of the high rate of occult neck node metastasis.
Definition drilling at the South Minita zone on the El Dorado gold project will continue as the Company follows up on its recent intersection of high-grade gold mineralization within this important target (including hole P05-408 that intersected 30.
Company President, Mark Bailey, commented: "These results provide further confidence in the tenor of the high-grade mineralization at depth, beyond the present Dolores project reserves.
Underground mapping and sampling is continuing at the Pique 4 and Pique zones, which to date have returned high-grade values of gold-silver-zinc mineralization.
Previous bulk sample mining of the near-vertical high-grade mineralization at Fenelon has demonstrated that conventional underground mining methods can effectively extract the mineralization, as previously announced.
Drilling this year at Adi Nefas has outlined a zone of high-grade mineralization over approximately 350 metres of strike length and to 225 metres in depth.
The high-grade intercepts within the Newman Todd breccia zone remain open along strike and at depth.
In 2003, the Company discovered high-grade gold, up to 100 grams per tonne, in massive sulphide veins in Griz Bowl and up to 18 grams gold per tonne in quartz carbonate veins 2,000 metres to the north at Quartz Lake.
If Barrett's esophagus progresses to high-grade dysplasia, a pre-cancerous stage of the condition, there is a 30 to 40 fold increased risk of developing esophageal adenocarcinoma, the sixth leading cause of cancer death in the world.

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