Member Info for Bamps21

Hi Tom
How you getting on with your M4, soon be able to trade it in for a new one :))

Hi Hopefully
I have invested in JLP their concept is producing revenues at long last and just about to start cleaning up Kabwe the dirtiest town in Africa.
Newcrest processes seem to be fairly tight in mineral extraction, I believe it is the smallest particles that get left but on their web site they are trying to find a process to extract these. As far as I know they are still using cyanide process but there are different processes that they are trying to reduce costs

Hi Droverman
They probably will fill the Telfer mine when it's depleted but they have to make sure any toxins do not enter the water table. The tailings used to fill a mine would be mixed with cement grout and pumped in, that's a long expensive way to deal with it.
Another method is to add chemicals to prevent the water leaching and pump it like a paste and mix with the waste rock. this would prevent further mineral reclamation though.
There is growing interest in recovering minerals from historic waste.
De Beers are finding it very profitable in South Africa

In 1971 as a young lad I was involved in the removal of the Aberfan tip setting out contours for the new placement. As the scrapers removed the top layers I was amazed to see red heat underneath after 150 years.
Since then I've always had an interest in what happens to the waste and I've been reading Newcrest Sustainability Report.
It's quite a comprehensive report on their waste management and land reclamation.
The tolling process has around 90% efficiency that would mean a lot of resources still in the waste. They are conducting studies which are a few years off fruition to reduce the amount of toxins and minerals still in the waste.
The Report doesn't detail what happens to the waste at Telfer apart from having one open disposal site and 6 closed.
They have a Tailings Manager to manage tailing disposal but the Report doesn't itemise what method they are using at Telfer.
A big question for Havieron is where will the waste be sited, will it be brought back to the area.
At Cadia they were issued with a prohibition notice when their waste mound collapsed. Investigation revealed by drilling that the formation wasn't capable of taking the weight, so if the waste is to be resited at Havieron expect more drilling to find a suitable spot.
At Lihil in New Guinea the mine is on an island and the waste is placed on the sea bed, there are big environmental concerns with that, in the report they only mention about deep sea divers quarterly survey and water quality checks.
At Telfer though my interest is in what happens to the tailings and what process it uses and will it involve filling the mine in eventually?
They have a Aus$360m fund for land reclamation and monitoring their wastes.

Morning Ben
Rio have just announced I know they are in the Paterson.
BHP have a huge iron ore business further south. That's where they had that runaway train
ATB:))

This is my attempt of the resources in the high grade zone using published measurements.
Sulphide zone top layer @5g/t = 1.4m oz
Middle layer @ 3g/t = 850,000 oz
Lower layer @ 1.5g/t = 150,000 oz

The Breccias around the sulphide zone @2g/t = 7.4m oz
This excludes the arms of the crescent or the new high grade breccia zone due to unknown sizes

Hi Bully, Newboy
I'm expecting news on what they're doing with that additional cash.
Sales may have seen a mini boom, my site manager relative with Vistry is very busy.
The mortgage market and local lockdowns are my concerns with builders at the moment
ATB:))

There is about 5m cubic m of ore in the high grade sulphide zone using the measurements given.
Using the copper grades given I reckon the 3 zones contain around 90,000t of copper ore
The ore is sent to a processing plant for crushing and turning into a copper concentrate (20-30%copper) from there on to a smelter where it is turned into a matte. These mattes are further refined into copper cathodes about 1cm thick 1m square.
The smelter will normally pay the miner for the ore less debits and credits depending what other minerals are extracted
Credits would include gold and silver
Debits would include Arsenic, lead

I'm not sure how far the tolling process at Telfer takes the copper?
Putting a price on how much the copper is worth looks complicated and depends on the quantities of other minerals extracted.

Hi Magic
Thanks for your update presentation on Havieron it was much appreciated
ATB:))

Hi Hydrogen
I like your theory but looking back through the Rns they describe a different scenario mentioning Arcuate zones and sulphide deposition and not a gossan deposition as you describe

Hi hydrogen
I couldn't find measurements for the arms or the new zone so didn't attempt that.
From the drilling logs I couldn't see much in the centre.
The high concenration is around the sulphide zone
I used a specific gravity of 3 but it could be anywhere between 2.8 and 3.2

Having a go at the copper:-
The high grade sulphide zone top zone = 57,000 t
middle zone 24,000 t
lower zone 8,000 t

This is my estimates
Sulphide zone top layer 1.4m oz @5g/t
middle zone 850,000 oz @3g/t
lower zone 150,000 oz @1.5g/t
Breccia zone around the crescent shape based on 2g/t = 7.4m oz
Breccia zone 600 deep x 550 long x 100m wide
Not included for the arms of the crescent or the new zone and nothing in the middle of the crescent.
Looks to me like 10m oz from confirmed sizes and maybe upto another 5m from the rest

Hi FSA 63
Well spotted glad it turned out ok for you
ATB:))

From the Rns 8 Jun 2020 an agreement was signed with the Martu People on all aspects of mining in the joint venture.
Also to be able to lodge a Mining Lease application Greatland must transfer 40% of the legal interest in the registered title of E45/4701. Once the mining lease has been received Ggp will re-establish 100% of the rest of E45/4701. Which should happen in the next couple of months.

I believe to gain a Mining Lease a Pre Feasibility Study is required which should include a partial Maiden Resource Estimate and early stage mining operations.
Looks like stage 3 is going to come a lot quicker than expected:))

Hi Nige
I noticed quite a few were top slicing

Hi Sanboy
Can I just add a 6 year Joint Venture nearly 3/4 complete in 13 months.
That's a big WOW from me :))

Hi Nige
Stayed up late last night trying to take it all in. In a few words the arms of the crescent system has increased by 220m and a new high grade zone in between.
There's a lot of investment going to come back in here at some point but not quite yet.
Was thinking of selling out of HSBC at the moment and try to recoup my losses they been hopeless :((

Hi Magic
Thanks for that. The shape of the crescent I find interesting and also the arms of the crescent wrapping around this new zone. I haven't seen an indication how deep this new zone is, if it is deep would that indicate another vent .
Besides wind or sea currents what other reasons could there be for the Breccia shape?
Sorry for the amount of questions but I thought I had it sussed LOL :))

Hi Magic
Good to hear from you, I'm not a geologist just interested in it and I knew you would put me right.
This is my thinking behind my theory, GH has mentioned many times about Havieron being in an Arcuate zone and the massive sulphide shape of the ore body suggests hydrothermal origins.
I've seen the Artemis presentation and watched your excellent presentation a couple of times but the Breccias formation and shape is not clear.
How would you say the Breccias were formed if I am incorrect with my theory.
All the Best look forward to your reply:))