G'Day all -There has been quiet a lot of conjecture regarding tailings & some confusing statements made by some posters
Below is a summery of OGX -MGT -statements in ASX releases to the market- whereby you can see in the frequency it has
been mentioned, their is no ambiguity-its very clear that current MGT & the BOD consider Re PROCESSING of high grade
TAILINGS a priority.
See below I have listed approx. how many times MGT has mentioned high grade gold in tailings & encourage
holders to go back & scrutinise when the Board spill occurred -when changes happened & why do we think it
happened what was happening ATT -look at the time frames .
Encourage all to cross reference them selves & verify information .
London-121 mining Investment Conference May 18th 2018
Five one tonne random tailings samples recovered 9.27 g/t Au with potential for significant gold recovery near term.
Potential for high grade tailings recovery
total size of the tailings stockpile estimated ~30,000 tonnes to be re-processed through
Hammer Mills.
Post Commissioning of HM-4 -initial focus will be on processing of high grade tailings.
Asx Release-30th April
Commission HM with initial focus on high grade tailings.
Asx-Release 18th April
HM4 has been specified as a diesel generated machine (as opposed to HM1, HM2 and HM3, which are electrical) so that there
is the option to locate it at the tailings from time to time to process that material without double handling.
Orinoco believes that the tailings will be an important source of production material this year and so equipment flexibility in
this regard is important (Refer to ASX release on 1st of February 2018 entitled Orinoco Confirms Outstanding Grades of Gold in Tailings.
Asx Release-9th March 2018
Orinoco recently announced the results of
5 x random 1 tonne samples (average grade 9.3 g/t) processed through
a hammer mill
from your existing tailings stockpile.
Based on the results of our recent tailing’s sampling program, it does look like the last two years of
milling was sending a fair amount of gold into the tailings.
Once our Hammer Mill 3 is running to Richard’s high standards, HE WILL INTRODUCE A SECOND SHIFT
THAT WILL FOCUS ON PROCESSING TAILINGS EACH DAY.
This will provide an excellent blending material for our high grade underground feed.
Asx Release 5th Feb-2018 Re-release of Orinoco Outstanding Grades of Gold in Tailings
Orinoco Confirms Outstanding Grades of Gold in Tailings .
Five (5) samples extracted in RANDOM ONE TONNE BATCHES & have been processed through the 400kg per hour Hammer Mill 2
and recovered a total 46.37 grams of gold- the samples returned an average grade of 9.27 g/t.
The grades recovered from each one-tonne sample were 4.75 g/t, 11.90 g/t, 10.14 g/t, 9.86 g/t and 9.72 g/t.
This test was conducted on one of the Company’s DRY STACKED TAILINGS STOCKPILES and was directed by our geological team.
The one tonne samples were taken at depths of up to 4 metres and included two vertical channels.
The milling process is recorded with CCTV and monitored by senior staff to ensure process integrity.
Final processing is carried out in the gold recovery room under rigid security controls and accompanied by the departmental manager.
Comment from COO- Chief Operating Officer, Richard Crew commented "In my 30 years in the mining business
i have
only seen one other project with such high tailings results.
The Company is hoping that the tailings could be a source of low cost gold when reprocessed which could provide substantial cash flow for the
business moving forward.
The tailings could form an important source of blending with our much higher-grade underground ore .
During commissioning of our Hammer Mill 2 in mid-January we surprisingly processed waste with an average grade of 15.42 g/t
through the mill as reported on the 24th of January from our Cascavel Operational Update.
We will go back to that same waste stockpile as we warm up Hammer Mill 3.
In closing, the initial five one-tonne tailings samples
averaging 9.27 g/t gives us some indication as to how much gold
has" NOT"BEEN RECOVERED by the gravity plant over the past 18 months and
provides us confidence in the true
potential of Cascavel.
Asx Release-30th January 2018
Mr Jeremy Gray was appointed as Managing Director after
Craig Dawson LEFT THE COMPANY.
has been inefficient in terms of gold liberation from the ore hence the shift in processing strategy to conventional
hammer mill methods going forward.
Asx Release 17th Jan
14)- Mr Gray concludes "For now it's too early to know the true potential of Cascavel, however simple changes
to the way we mill our rich ore are showing dramatic improvements to our grade and recovery.
With the re-processing of our tailings starting tomorrow through the new 400kg per hour hammer mill,
These tailings could be a rich source of gold that was lost when it was processed through the gravity mill
over the last 12 months.
Asx Release 12 Jan 2018
Tests between the dates of 21 November 2017 and 21/ December 2017 through a small 200kg per hour pilot hammer mill were
announced on the ASX on the 18 and 28 Dec 2017 and illustrated in Tables 1 & 2.
These initial results showed that the recovery and grade can dramatically improve when it is not processed in
the current gravity recovery plant.
During this period, the small hammer mill achieved recoveries of over 93%
So above was from sample taken dates 21 Nov-21 Dec.
Quote -Importantly the MSM batch see (Table 2 and Image 1), was a blend of both stope and development
ore results listed in table 3 & focus on the MSM sample results that returned 26.64 g p/t.
Now focus on this little part -Owing to the DIFFERENCES IN GRADES IN PROCESSING THROUGH THE
GRAVITY PLANT see Asx Release 28th Dec 2017.
"Important"-Quote
This same batch was processed in a much larger quantity of 100 tonnes through the gravity plant on
December 22, and "ACHIEVED A GRADE OF ONLY 2 G P/T".
Quote continued
Owing to the large differences in grade we have decided to re-process several bulk samples of previously
processed material (tailings) through the trial hammer mill which gives a much finer grind than the current comminution
circuit to ascertain the potential gold content.
So we can see they did re sample from this 100 tonne batch that the gravity plant processed & only recovered 2 grams of gold
per tonne from,yet this same MSM - 100 t batch that was resampled & processed through the hammer mill
RETURNING A GRADE OF 26.64G P/T.
So the differential go between the 2 grams per tonne recovered by the gravity plant & the same batch
resampled returning 26.64 g p/t.
So the gravity plant only recovered 2g p/t & the resampled recovery was 26.64 g p/t so at realistically 85% recovery
when resampling was done -means the gravity plant was being supplied (mill feed grade ) 31 grams per tonne
& only recovered 2 grams per tonne ?
We started with a mill feed supply to the gravity plant of 31 grams per tonne (THATS ONE OZ PER TONNE FOLKS)
then Subtract the 2 g p/t the gravity plant recovered, leaving 29 grams per tonne went to tailings at 85% recovery
when resampled by the hammer mill results in the 26.64 g p/t recovered WHEN RESAMPLING OCCURED.
NOTE: in this 100t batch the gravity plant was recovering a Dismal 6.5 % of gold & 93.5% of gold was
going to tails.
What about this statement
Quote:-NOTE- "IMPORTANTLY THIS STOCKPILE " was "NOT" FROM MATERIAL PROCESSED FROM THE "HIGHER GRADE"
AND FINER GOLD" MESTRE ZONE"-THAT WE SUSPECT "HAS GONE TO TAILINGS ALSO !
Asx Release 18th December
Potential for High Grade Tailings to be reprocessed in 2018
This is NOT an assumption -Do you think this was a Robinson Cusso isolated event "NO "
or you would recall higher recoveries from the gravity plant, would you Not ?
Did you No!
Above taken directly from Asx Reports -Not assumption -No spin Zone here .
Go verify cross check above information yourselves -the GOLD WENT TO TAILS !
Their is nothing ambiguous here.
THE GOLD SHOULD NOT HAVE GONE TO TAILS FOR longer than one shift IF standard
operating procedure was utilised ( sample tailing each shift) -the plant should & normally would be
immediately shut down until the problem was rectified .
No gold mill processing facility anywhere would allow 85% of its gold -revenue stream to
continue to go to tails -FULL STOP !
Questions & Considerations
So why was gold allowed to continue going to tailing for months & MONTHS ?, that prevented OGX receiving
much needed gold sales revenue -NOT ASSUPTION ?
There must have been motive-it just can not be explained any other way- Who got the chop ?
Ask yourselves what else was going on at the time that may have influenced behaviour to allow this debacle to continue ?
What matters now- is this Gold is still in tails, & MGT knows this as seen in how many times its been
mentioned-time to begin RE-processing & INJECT CAPITAL into the OGX cash reserves & correct what
should never have occurred .
Comprehend -when RE-processing tailings their is very little costs associated its virtually all cream.
NOT JUST IMO -FACTS ARE FACTS
gltah-salt
