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Ann: New Large-scale Porphyry Targets at MaCauley Creek QLD, page-39

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Poet

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16/04/21

16:05

Post #: 52524503
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Originally posted by Kalenn: ↑

and when Peru permits drop...or the Frewena assays come in sweet...they will disappear until the momentum slows again...which is why I suspect they are simply disingenuous traders.

In the meantime, I see some trying to work out copper values etc. in the pending assays for NDIBK04
The actual copper content in chalcopyrite is 34.6% - the rest is made up of Fe and S.
The actual copper content in bornite is 63.3% - the rest is also made up of Fe and S.
Put another ways:
For every 1% of chalcopyrite logged in a piece of core, that piece of core will have 0.346% Cu – or 3,460ppm Cu.
For every 1% of bornite logged in a piece of core, that piece of core will have 0.633% Cu – or 6,330ppm Cu.
So… for a piece of core with 2% combined chalcopyrite (1%) and bornite (1% - so assuming equal levels), that piece of core will have 0.979% Cu – or 9,790ppm Cu – let’s say 1%.
For a piece of core with 5% combined chalcopyrite (2.5%) and bornite (2.5%), that piece of core will have 2.4475% Cu – 24,475 ppm Cu – let’s say 2.5%.
So… combined chalcopyrite and bornite %’s (assuming equal levels) equates to just under half that in copper %’s.
C+B% of 2 = 1% Cu.
C+B% of 5 = 2.5% Cu.
C+B% of 10 = 5% Cu.
You get the drift…
With average Cu grades of Tier-1 copper mines being between 0.4% and 0.5% Cu you only need to see about 1% B+C.

Also, keep in mind the numbers we have to date are off PXRF (portable xrf readers) they only measure the mineral content in a tiny spot on the surface of the core. The assays are going to start painting the real picture.

PS The Aussie tenements are not a distraction, they are every bit as important as Peru. To some of us more important.

PPS One days driving closer to the Alice. Time for a beer.

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The actual copper content in chalcopyrite is 34.6% - the rest is made up of Fe and S.
The actual copper content in bornite is 63.3% - the rest is also made up of Fe and S.

Enjoy the conference and East Arunta boys... Cu soon!

Poet
ICG Price at posting: 13.0¢ Sentiment: Buy Disclosure: Held
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Ann: New Large-scale Porphyry Targets at MaCauley Creek QLD, page-39

GreenX picks up prospective copper project in Germany

Westgold sets its sights on top five producer status through merger with Karora

Uranium prices on the NYMEX are stable, but ASX uranium stocks are sinking on Friday. The answer lies in Kazakhstan

Is oil undervalued?

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Vmoto sales plummet -50% YoY as weak demand in Europe & China stifles EV scooter sales growth

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Week 31 Wrap: JORC rules to get tougher; RBA rate hike chance 50/50; US Fed Sept cut still the quo

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Ann: New Large-scale Porphyry Targets at MaCauley Creek QLD, page-39

Top Stories

GreenX picks up prospective copper project in Germany

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Uranium prices on the NYMEX are stable, but ASX uranium stocks are sinking on Friday. The answer lies in Kazakhstan

Is oil undervalued?

Venture to sniff out high-grade REE targets at Jupiter project, WA

Vmoto sales plummet -50% YoY as weak demand in Europe & China stifles EV scooter sales growth

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Week 31 Wrap: JORC rules to get tougher; RBA rate hike chance 50/50; US Fed Sept cut still the quo

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