FYI some combined radiometrics.
Geoscience Oz stitched the KTU channels across Australia with this postage stamp area being the area of interest for ENR WA1 and AMN.
Locations are approximate having been visually transferred from the Geoview images further below.
The yellow lines are linear features which are probably fault related and divide the younger sediments (bedded in NE) from the northern metamorphic terrain that hosts the known carbonatites (Mawson a gravity feature to be drilled this year).
NW corner Canning basin sediments. SE Lake Mackay in pink.
GSWA geoview West and East for some extra detail. Similar to the above map with slight difference in colour processing - IMO.
West
East
Most carbonatites seem to be in subdued areas of KTU (potassium/thorium/Uranium combined) radiometrics.
Tried adding falcon gravity and some geology interp/outcrop outlines with this image.
All interpreted outlines especially the Lake Mackay quartzite from Joly 2013.
Perhaps individual channels of K T or U might be of some use. Haven't found a source for these.
Seldom found radiometrics to be of much low resolution information. OK for broader or bulls eye targets. Need geophysical eyes...
Over to you J&J.
======================
The small purple diamonds are 2023 ENR drilling for which an EIS report is available: 2023 11 30 EIS DOCUMENTA137593_v1_REPORT.pdf. Answers a question I have had about Caird drilling. Ga*bbroic source for mag/gravity and no significant assays.
The EIS also mentions the GSWA geochronology report which is given here:. 2022 6 10 GSWA EAL001 GEOCHRON 203749.1.pdf. There is actually a scattering of ages from some 25 readings taken. Original intrusive date c1608 My, Alteration/brecciation c 1577 and a slightly earlier date possibly related to metamorphism.
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