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Figure 14

Pseudosections of 2D inversion modelling of chargeability from Plutonic’s Induced Polarisation survey. Also shown are the 3D modelled magnetics (VRMI) and 3D geochemical footprints. The most impressive target emerging from the survey is a c.a. 7.5 km long zone of high chargeability that is coincident with geochemical anomalism and outcropping quartz veins and breccias.

Figure 13

Completed Induced Polarisation (IP) survey lines over the Falling in Reverse and Langlo targets. The background image is 1st Vertical Derivative of the shallow-moderate residual magnetics.

Figure 12

Rock samples collected from the Hypa Hypa prospect (a/b) Sulphides / Ex-sulphides in breccia, (c) Strong phyllic alteration of porphyritic intrusives, (d) Porphyritic rhyolite, (e) brecciation with haematitic veining.

Figure 11

Rock samples from the Falling in Reverse and langlo prospects (a) Stockwork veining overprinting hydrothermal breccias, (b) Breccia with ex-sulphide spotted rhyolite and rhyo/dacitic matrix, (c) Strong alteration and (ex)/sulphide in hydrothermal breccias, (d) Strong sulphide and alteration in host rocks – pyrrhotite and chalcopyrite.

Figure 10

Extent of mapped chalcedonic veins with surface Au geochemical ‘highlights’ and historical drilling.

Figure 9

Au rock chip geochemistry and historical drilling at Langlo. The background image is 1st Vertical Derivative of the shallow-moderate residual magnetics.

Figure 8

3D View looking NW of Hypa Hypa and Falling in Reverse. Yellow isosurfaces are magnetic lows at Hypa Hypa; Red isosurfaces are magnetic lows at Falling in Reverse and Langlo; Grid is 1st Vertical Derivative of the shallow-moderate residual magnetics.

Figure 7

3D View looking NW over the giant Falling in Reverse target. Red isosurfaces are magnetic lows; Yellow isosurfaces are magnetic highs; the 3D grid is gold in soils.

Figure 6

3D View looking NW over the giant Falling in Reverse target. Red isosurfaces are magnetic lows; Yellow isosurfaces are magnetic highs; the 3D grid is gold in soils.

Figure 5

Primary target areas. Zones of strong reverse magnetism are indicated by grey shading.

Figure 4

Permo-Carboniferous volcano-plutonic complexes displaying reverse magnetism. Source: Plutonic Limited derived from QLD Government TMI magnetic data.

Figure 3

Georgetown Project geology. Source: Queensland Detailed Surface Geology, 2018, modified by Plutonic Limited.

Figure 2

Plutonic’s Georgetown Project consists of two tenements (EPM 27691 and 27692).

Figure 1

Plutonic’s Georgetown Project is located close to the towns of Croydon and Georgetown, in one of Australia’s most historically important gold regions.