Hi mallis,
Regarding your enquiry, in my view, to try and understand the possible areal extent (where they go) of the sulphides with hopefully associated PGE's, it is best to look at the bigger picture rather than focusing on individual wells at this early stage of exploration.
TMI-1VD aeromagnetic image below shows the CNJ-GSR drilling program and the GAL Calistro PGE discovery. Aeromagnetic geophysical surveys consist of measuring the intensity of the geomagnetic field in order to detect local magnetic variations from the rocks which can assist interpreting rock types. The GAL, GSR, CNJ drilling programs are targeting rocks of the Mt Thirsty sill which comprise olivine cumulate and pyroxenite. The olivine cumulate and pyroxenite are host rocks to the sulphides that have been encountered to date, and in the case of the GSR-CNJ hole MTJV001, also sediment which host sulphides; as we know the PGE's are associated with the sulphides.
So from a big picture perspective, look at the areal extent of the north-south trending Mt Thirsty sill (olivine cumulate and pyroxenite) which runs the length of the GSR-CNJ tenement where our drilling is focused and north into GAL's Callistro discovery and then further north. The panel below shows my interpretation of the extent of the olivine cumulate and pyroxenite rocks and therefore possibly the extent of the sulphides and the possible extent of the PGE mineralisation; if this holds up as more holes are drilled and assayed, the PGE mineralisation could extend over a large area i.e. the area of the dark green comprising the ultramafic olivine cumulate and pyroxenite.
Aeromagnetic survey with interpreted rock types running from left to right across the panel below are - basalt (pale green), ultramafic peridotite (red/whites), ultramafic olivine cumulate (darker green) and pyroxenite (red). Note how the rock trend north - south. The olivine cumulate and pyroxenite comprise the Mt Thirsty sill. The important sediment / ultramafic olivine cumulate and pyroxenite rocks of the Mt Thirsty sill are flatter lying initially and then generally dip to the east - see reposted cross section below.
With no interpretation
Cross sections A-B and C-D on first panel above reposted below;
Kind regards OldGeo
