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1.3¢ brazilian critical minerals limited

Tres Estados Resource Estimation using Excel template, page-181

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ChrisSydney1984

364 Posts.

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14/09/20

14:44

Post #: 47325119
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Originally posted by Midnight26: ↑

I've been meaning to knock up an "poor man's" Excel estimation template and here it is!

It works by using the drill sections as a background to an Excel spreadsheet then averaging the grades in the drill trace captured by each spreadsheet cell. The cells that don't capture any portion of a drill trace are estimated by averaging the neighbouring 8 cells that surround it. Grades in bold are overlaying drillhole traces containing results.

Technically speaking it's a fuzzy combination of Inverse Distance, Nearest Neighbour and Polygonal estimation.

The plan is used to add the buffers and estimate the horizontal area:

....and here is the resource tabulation. Not bad huh?

Expand

I don't usually post on stocks that I don't own; but I made an exception for BBX as it really caught my interest.

I am no geo; but I did some rough calculations using circles with a radius of 50m as opposed to the traditional polygons for return drill results with a tonnage factor of 3 for Dolerite. I get ~1 million ounces of Au and ~2.5 million ounces of Ag for Tres Estados.

Still not a bad little resource. DYOR as usual.

BBX Price at posting: 35.0¢ Sentiment: None Disclosure: Not Held
2 Upvote

0 Great analysis

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