HOT TOPIC - What's showing above is not nessisarily below grade.
Polymetallic sugnatures above with an intrusion of chlorite below - may not be classified as a polymetalic deposit.
It's still an ongoing discussion on how the Abitibi greenstone belt was formed.
Fractures and faults - capping the surface - with what appears as a polymetallic but may only be a signature capping and well... chasing this signature when deeper down the geology is chlorite intrusion creating a = greenstoneore body.
I would say - Scadding arera has this same characterization.
Poly above and chlorite intrusion below.
Which makes it a dangerous ecplore if chasing the signature poly capping above.
Now... chasing the veining or faults above is in itself a good way to find where this deeper fractruring with perhaps chlorite may have infused the base rocks below grade - but it should not be relied upon as the sole tactic of finding the - greenstone below -
In this write up below - pdf - is a superb read -
distinguishing between- POLY, CAPPING - PORPHYRY IRGS, OGS, IRGS,
mineral systems.
Most OGS deposits postdate and locally overprint magmatic-hydrothermal systems, such as Au-Cu porphyry that mostly formed during the main magmatic stage (synvolcanic period) and polymetallic intrusion-related gold systems (IRGS) of the syntectonic period.
Porphyries are associated with tonalite-dominated and sanukitoid plutons, whereas most IRGS are related to alkaline magmatism. As reviewed here, most intrusion-associated mineralization in the Abitibi greenstone belt is the result of complex and local multistage metallogenic processes.
A new classification is proposed that includes (1) OGS and OGS-like deposits dominated by metamorphic and magmatic fluids, respectively; (2) porphyry and IRGS that may contain gold remobilized during subsequent deformation episodes; (3) porphyry and IRGS that are overprinted by OGS. Both OGS and OGS-like deposits are associated with crustal-scale faults and display similar gold-deposition mechanisms.
The main difference is that magmatic fluid input may increase the oxidation state and CO2 content of the mineralizing fluid for OGS-like deposits, while OGS are characterized by the circulation of reduced metamorphic fluids. For porphyry and IRGS, mineralizing fluids and metals have a magmatic origin. Porphyries are defined as base metal and gold-bearing deposits associated with large-volume intrusions,
while IRGS are gold deposits that may display a polymetallic signature and that can be associated with small-volume syntectonic intrusions. FULL PDF - READ https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=&cad=rja&uact=8&ved=2ahUKEwi4gsCFsofxAhVRHc0KHcDGBucQFjAFegQICBAE&url=https%3A%2F%2Fwww.mdpi.com%2F2075-163X%2F11%2F3%2F261%2Fpdf&usg=AOvVaw3WkQERqSo1oAT5xi05m7fk iN MY OPINION ( novice ) I would say, Scadding area has ther classic poly capping but when drilled the true identification of thius unique greenstone becomes apparent and deifes the poly name brand and well - could be more like = IRGS ( greenstone )
Tracking this drill hole - AD 21 - 097 - with small step outs
would be idea to stayon the gold -
5.17 g/t gold over 22.67 m Will be interesting to see what hole - AC 21 095 shows
In my second opinion there seems to be an upper system and a distinct lower system.
Seen by - each of the 2 last holes drilled at - Glade
Each hole has an upper - gold system
Yet - 097 - has that beefy high grade ( 5,17/g/t ) over 22m (
big intercept )
This is the system that should be chased - very similar grade + depth to that of, Scadding deposit..
| AG-21-096 | 10.17 | 19.21 | 9.04 | 0.86 | | | | Alkin-Glade
Trend |
| Including | | | |
| 13.20 | 14.20 | 1.00 | 4.06 | | | |
| AG-21-097 | 8.16 | 16.00 | 7.84 | 0.32 | | | | Alkin-Glade
Trend
|
| 25.17 | 26.17 | 1.00 | 2.05 | | | |
| 33.85 | 38.33 | 4.48 | 0.26 | | | |
| 86.78 | 109.45 | 22.67 | 5.17 | | | |
| Including | | | |
| 100.28 | 101.24 | 0.96 | 113.00 | | |
GLADE PHOTO - interesting pic
i'm seeing an overflow capping created by the - vein. ( mushroom effect )
An over spill onto the - iron base rock.
Now ask... what type of ore is the golsd in ?
IRON. * diseminated with chlorite. ( greenstone ) older infusion of gold - system.
I would say- completely different that what is above near surface.
Near same - conditions as - Abitibi - just a different kind of greenstone more so juvenile than the archaean.
What we don't know is the azimuth of the 2 last dril lholes.
MOST IMPORTANTLY
the ore is - iron chlorite infused.
therefore - the surficial signatures are not representative of what the real prize is below.
Which is - iron chlorite gold. ( greenstone )
Chasing the veins above might ber pointless,
Especially if the system below is much older and was created in a different fashion than above,.
Relying on - quality resistivity maps that penetrate the subsurface - is where its at to keep
chasing this deeper 100m depth system - sporting 22m
YUP- best policy here is -smal lstep outs from 097 to keep tracking the 22m meter zone.
Now... if 095 drill hole comes in with even a 10m intercept around the same depths as 097
i'd say - BMK - has something very interesting - like really interesting.
.
Cheers...