Mount Wellington, Victoria
(100% GOLDSEARCH)
The Mount Wellington project is located 20 kilometres south-east of the town of Jamieson and 25km north east of the Woods Point gold mining centre in eastern Victoria. The project consists of granted EL4843 and EL5046 and application ELA4835 which cover a combined 400 km2 of State Forrest.
The project area covers portions of two heavily mineralised and in places pervasively altered Cambrian calc-alkaline "greenstone" windows. The Cambrian age volcanics are composed principally of intermediate to felsic volcanics and sediments interpreted to be deposited in an island arc environment. These rocks have been tentatively correlated with the highly prospective Mt Read Volcanics of western Tasmania. The greenstones are overlain by a sequence of Silurian and Devonian sediments and were deformed in the early Devonian Tabberabberan Orogeny. Recently detailed mapping of EL4843 identified a number of diorite dykes which cross cut the Cambrian sequence and are undeformed and unaltered and therefore interpreted to be Devonian in age and syn to post the main deformation event. Two small stocks of undeformed monzonite have also been mapped in the north east of the project area. There are several known mineral occurrences at Mt Wellington. Significant gold (+/- silver and copper) mineralisation has been intercepted in drilling by previous explorers at Hill 800 and Rhyolite Hill.
| Hole ID | East (GDA94 zone 55) | North (GDA94 zone 55) | Intercept | Gold [g/t] | from(m) | to(m) |
|---|---|---|---|---|---|---|
| HEC1 | 444767.21 | 5868594.33 | 33 | 4.30 | 0 | 33 |
| HEC8 | 444779.04 | 5868580.88 | 27 | 1.83 | 0 | 27 |
| HEC13 | 444783.07 | 5868670.54 | 13 | 10.88 | 0 | 13 |
| incl. | 3 | 38.76 | 0 | 3 | ||
| HEC18 | 444810.24 | 5868737.51 | 22 | 1.35 | 38 | 60 |
| HEC45 | 444767.21 | 5868606.02 | 25 | 4.72 | 3 | 28 |
| HEC48 | 444749.63 | 5868735.97 | 18 | 5.06 | 86 | 104 |
| HEC49 | 444755.16 | 5868730.15 | 28 | 4.45 | 79 | 107 |
| HEC8 | 444779.04 | 5868580.88 | 27 | 1.83 | 0 | 27 |
| HED1 | 444769.74 | 5868585.84 | 32.2 | 4.28 | 0.5 | 32.7 |
| 7 | 22.05 | 184 | 191 | |||
| incl. | 1 | 122.00 | 188 | 189 | ||
| incl. | 1 | 28.90 | 184 | 185 | ||
| (Note: g/t - grams per tonne M - metre) | ||||||
Hill 800 Significant Historical Drilling Results
Mount Wellington Prospects and Geology
The most significant zones of alteration and mineralisation at Mount Wellington are spatially associated with significant regional aeromagnetic and gravity features in geophysical data.
Mount Wellington Project regional geophysical data, gravity drape (left) and regional aeromagnetics (right)
At Hill 800 initial interpretations suggest the gold (with copper) disseminated sulphide mineralisation occurs as a series of stacked, flat to west dipping, north-east plunging zones within a halo of intense silica, paragonite and sericite alteration of the host andesitic volcanic and volcano-sedimentary sequence. The mineralisation appears to have a strong IP geophysical signature and there are several geophysical targets throughout the project area which, it is believed, were not adequately tested by previous explorers.
Hill 800 Oblique Drill Section
At Rhyolite Hill the gold (with silver and/or copper) mineralisation occurs as both epithermal micro veins and massive sulphides in a pervasive zone of argillic altered rhyolitic volcanics. The best gold intercept returned from limited drilling at Rhyolite Hill by previous explorers is 12.6 metres at 1.01 grams per tonne gold from 6 metres in hole RCK002. The best silver intercept is 32 metres at 27.25 grams per tonne silver and 0.32 grams per tonne gold from 69.5 metres in hole RCK003. Wide zones low grade mineralisation up to 75m @ 0.2 grams per tonne gold were also intercepted by this program. Recently drilling by Goldsearch targeted on an aeromagnetic anomaly approximately 300m north east of previously defined mineralisation intersected high grade base metal, gold and silver mineralisation within an extensive zone of hydrothermal alteration.
A 5.6 metre intersection from 220 metres returned an average gold grade (by fire assay) of 2.19 g/t with a peak one metre interval of 8.95 g/t gold. This interval also returned individual sample intervals of up to 127 g/t silver, 17.9% zinc, 1.5% lead and 0.8% copper (Table Two).
Rhyolite Creek RCD001 Significant Assay Results
| From (m) |
To (m) |
Interval (m) |
Au (AAS) (ppm) |
Au (FA) (ppm) |
Ag (ppm) |
Cu (%) |
Pb (%) |
Zn (%) |
|---|---|---|---|---|---|---|---|---|
|
220
|
225.6
|
5.6
|
1.02
|
2.19
|
34
|
0.18
|
0.41
|
4.71
|
|
Incl.
|
||||||||
|
223
|
224
|
1
|
3.3
|
8.95
|
127
|
0.43
|
1.52
|
14.7
|
|
224
|
224.4
|
0.4
|
2.59
|
3.63
|
79.6
|
0.81
|
1.35
|
17.9
|
|
*Note: (AAS) Aqua Regia Digest, AAS Determination, (FA) Fire Assay.
|
||||||||
Further drilling to evaluate this mineralisation is planned for late 2008.
At Mike's Bluff drilling is targeted on a large, non-resistive (chargeable) magneto telluric geophysical target. Previous shallow drilling to a maximum depth of 150m by previous explorers at Mike's Bluff returned maximum assays up to 0.54 g/t gold, 0.34% copper and 1.13% zinc. None of the previous drill holes tested the geophysical target which was not identified until after drilling was undertaken and never subsequently followed up.
Hole MBD001 which was drilled in June 2008 intercepted highly deformed, strongly sericite-pyrophyllite-carbonate altered felsic volcanic rocks, consistent with an extensive zone of interpreted hydrothermal alteration seen at surface.
Further drilling to evaluate this mineralisation is planned for late 2008.
At the Long Ridge prospect, a number of gossans were discovered with moderately anomalous gold and base metal values (up to 0.23ppm gold, 130ppm copper, 234ppm lead and 158ppm zinc) these gossans are also exceptionally anomalous in molybdenum (up to 3510ppm). The gossans occur in pyrite-sericite-silica altered volcanic sediments. A significant IP anomaly with coincident aeromagnetic anomalies are yet to be drill-tested at Long Ridge.
IP Geophysical Profiles along 447500E in the Long Ridge area. Area of younger sedimentary cover is highlighted the strong chargeability anomaly at depth is un-tested
Goldsearch believes the project has significant potential for large magmatic-related gold and base metal ore deposits and is currently reviewing and prioritising a number of geophysical targets for future drill testing.