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Barkerville Gold Mns Ltd BGMZF

Barkerville Gold Mines Ltd is a Canada based company operates in the business of Gold. It is engaged in the production and sale of gold, and the exploration, development, and acquisition of mineral properties in British Columbia. The mineral tenures cover approximately 2,000 square kilometres. The company primarily holds interests in Cariboo Gold Belt District, Island Mountain, Cow Mountain and Barkerville Mountain.


OTCQX:BGMZF - Post by User

Bullboard Posts
Comment by ovison Aug 17, 2012 10:32am
262 Views
Post# 20228846

RE: Timeframe for amending an NI43_101 Report

RE: Timeframe for amending an NI43_101 Report

>>>Furthermore I found this: "The cause for the amendment by Rubicon  is due to the fact that RBY used a polygonal assessment when the industry prefers a block model approach.."<<<

Flintstone,

Your assessment of the Rubicon issues failed to mention the issue of an upper cut. The application of a top cut was a bigger factor. Model changes took the resource estiamte from 4M to 3.6M oz while the application of a top cut took the resource down to 3.0M oz. When AMC redid work the estimate 4 months later, using additional drill results,  they found 2.7M oz of Indicated + Inferred.

 

On the top cut, what is i interesting is that the bulk sample Rubicon completed later failed to show any nugget effect so the insistence of a top cut was apparently justified. A bulk sample is always better than drill cores and of course mill head grade is better than a bulk sample.

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