Tin, here's the actual elevated levels of soil/termite and rockchips in the initial sampling (bolded below). I've also shaded yellow for NDIBK01 (also see yellow cross above where breccias located in western prospect) and red for NDIBK04 (eastern prospect ie our current 007 hole)...
You also said "
per RB's comment re low and variable levels of copper, lead and zinc sulphides have been noted in FW220007 [the 500m section]- I take it that the "variable" means its better than "low"I hope so. We'll soon find out!
Which leads me to the very last part of my 5 cents worth... pyrite-pyrrhotite in black shales/schists.
As you know, I got excited by the reference to this in the last Ann...
FW220002/A intersects widespread pyrite-pyrrhotite in lower sections of hole with rare vein-hosted copper,
lead and zinc sulphides and rare host rock disseminated zinc sulphides Figure Ap1(a): FW220002 core photo collage showing the progression of geology, alteration and veins down the hole, including: A) chloritehaematite-quartz-carbonate breccia zone at 396m, B) haematite-quartz-chlorite-carbonate veining and brecciation at 400m, C) quartzhaematite-kspar-chlorite vein at 410m, D) chalcopyrite in metasiltstone at 425m, E) quartz-epidote-chlorite-haematite-pyrite veining at
445m, F) quartz-haematite-kspar veining at 450m, G) haematite stained quartzite with muscovite (left) and quartz-haematite veining (right)
at 460m, H) quartz-chlorite-haematite-kspar veining at 495m, and I) quartz-pyrite veining in quartzite-metasiltstone at 577m.
FW220006 intersects narrow zones (20cm and 25cm) of syn-depositional, semi-massive pyrrhotite-pyrite-
(chalcopyrite) at 865m and 866m - characteristic of SEDEX style mineralisationFigure Ap2(a): FW220006 core photo collage showing the progression of geology, alteration and veins down the hole, including: A) coarsegrained, euhedral pyrite with carbonate in siltstone at 262m, B) shale with laminated and disseminated pyrite at 294m, C) quartz-calcitefluorite-pyrite veining at 313m, D) pyrite-quartz veining in graphitic schist at 632m, E) fault offset quartz-pyrite veinlets in black shale at
648m, F) quartz-carbonate-dolomite breccia zone within metasiltstone at 679m, G) chalcopyrite-carbonate and quartz-pyrite-carbonate
veining in graphitic schist at 685m, H) faulted and brecciated shale-siltstone with carbonate laminations and dolomitic overprint at 708m,
and I) pyrrhotite-chalcopyrite-quartz-carbonate veining in dolomitised metasiltstone at 723m.
A notable drop in haematite alteration occurs downhole alongside an increase in sulphide content – primarily pyrite and
pyrrhotite – that locally tends towards semi-massive levels. The occurrence of haematite in quartz-carbonate veining and
breccia zones in the upper levels of FW220002/A broadly fits the IOCG exploration model at Mount Lamb, while intervals of
heavily sulphidic (pyrite-pyrrhotite) metasedimentary units with locally significant, disseminated sphalerite provides support
for the SEDEX exploration model as well.And why is pyrrhotite so important? Pyrrhotite is located at the redox boundary (red)...
And how does metal rich pyrite to pyrrhotite conversion take place AND why is it that important? The dreaded PhD in black shales attempts to answer this question and points to the iocG part of the equation...
https://eprints.utas.edu.au/23853/1/Johnson_whole_thesis.pdfI've only skimmed this thesis but you will really will need a strong coffee if you decide to go thru it.
Here's a relevant sample...
So, put it all together, this whole area looks pretty promising atm... IOCG and SEDEX.
Poet
#Smokin
(20min delay)