Havana deposit, Tropicana Gold Mine, Plumridge Lakes Nature Reserve, Menzies Shire, Western Australia, Australiai
| Regional Level Types | |
|---|---|
| Havana deposit | Pit |
| Tropicana Gold Mine | Mine |
| Plumridge Lakes Nature Reserve | - not defined - |
| Menzies Shire | Shire |
| Western Australia | State |
| Australia | Country |
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Latitude & Longitude (WGS84):
29° 15' 48'' South , 124° 32' 24'' East
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Mindat Locality ID:
269700
Long-form identifier:
mindat:1:2:269700:3
GUID (UUID V4):
d09d720a-1d02-475a-9bad-f8def29b0b5e
The Havana deposit represents a laterally continuous high grade planar lense up to 50 metres thick, dipping 30-50 degrees south-east, overlain by lower grade quartzo-feldspathic gneiss. It is then overlain by alternating quartzo-feldspathic and garnet gneiss, cut by steep dipping basalt dykes.
It is separated from the Tropicana deposit by north-east to east striking, variable dipping, Muddler, Swizzler and Cobbler shear zones.
The average thickness of the ore zone is 30 metres, striking for 2 kilometres. In the central and southern parts of the deposit, the ore body is overlain by lower grade stacked thinner (2-25) metre ore zones dominated by the quartz-feldspathic gneiss. The stacked lodes contain gold up to 3 g/t with a 0.3 g/t envelope. These can converge to form thick composite zones of higher grades.
A notable feature of the Havana deposit, is the garnet gneiss facies, 200 metres thick, dominating the area immediately next to the Hanging Wall. Chert is interleaved in the deposit with garnet gneiss at the base of the stratigraphic horizon. Intervals of amphibolite, granulite and quartzo-feldspathic gneiss form sub-ordinate, laterally discontinuous to continuous intervals within the Hanging Wall sequence. Gold grades here are lower than the main deposit.
Commodity List
This is a list of exploitable or exploited mineral commodities recorded at this locality.Rock Types Recorded
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Alphabetical List Tree DiagramList of minerals for each chemical element
Other Regions, Features and Areas containing this locality
Australia
- Central Australian ElementCraton
- Western Australia
- Albany-Fraser OrogenOrogen
- Northern ForelandOrogen
- Canning BasinBasin
- Yilgarn CratonCraton
- Albany-Fraser OrogenOrogen
Australian PlateTectonic Plate
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References
