Tallebung main lead, Tallebung, Blaxland Co., New South Wales, Australiai
| Regional Level Types | |
|---|---|
| Tallebung main lead | Alluvial Deposit (Swallowed up by other workings) |
| Tallebung | Village (Historical) |
| Blaxland Co. | County |
| New South Wales | State |
| Australia | Country |
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Latitude & Longitude (WGS84):
32° 44' 26'' South , 146° 34' 35'' East
Latitude & Longitude (decimal):
Type:
Alluvial Deposit (Swallowed up by other workings) - last checked 2026
Age:
2.588 Ma to present day
Geologic Time:
Reference for age:
Gilligan, L.B., Suppel, D.W. (1993) Metallogenic Study and Mineral Deposit Data Sheets: Nymagee 1:250 000 Metallogenic Map (SI/55-2). Geological Survey of New South Wales, Sydney, 171 pages.
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Euabalong | 212 (2017) | 42.2km |
Other/historical names associated with this locality:
Main Lead Tallebung
An alluvial placer deposit workd via sluicing and dredging.
History for the Tallebung field is under the 'Tallebung' main heading. General geology for the field is under this 'Tallebung Main Lead'. This includes lode information, and alluvial wash (Tallebung Main Lead being the latter). Where available geology information will be added to individual locations on the field specific to that location. Please note individual location geology is historic, relating to observations by geologists of the workings before 1963 when large scale open pit mining took place destroying the historic workings.
Alluvial tin as cassiterite has been found as coarse wash being old steam channels consisting of rock debris, quartz gravel and silt. They progress away from the nearby ridges which contain the tin bearing reefs. At deeper levels the wash contains coarse quartz, slate rubble, and clayey cement. High grades of Sn are found in larger boulders, and closer to the reefs. Cassiterite was found at two levels being 1-5.5 metres from the surface, and the other the bedrock channel.
Granite is needed for tin, and this has confused geologists a little as the nearest is the Erimeran Granite, a few kilometres to the south, and it has been assumed this is where the tin comes from. The lodes are hosted by claystone, quartzite and slate. This contains numerous discontinous quartz veins as stockworks and tension veins in a general NW to NNW trend. Some lodes are nearly completely angular quartz fragments healed by dark brown to black limonite. The reefs range from threads to 4.6 metres wide,up to 130 metres long, east dipping and cut the bedding. Some are fault and jount fillings. Cassiterite values can vary along the veins, in some cases forming nugget-like pods of cassiterite.
Wolframite can also be found in the veins, at times historically small amounts payable enough to extract. Also historically arsenopyrite was found in Plunkett's shaft and pyrite in Pearce's shaft. Extensive drilling 2023-2026 by Sky Metals has also located sphalerite, galena, bornite, scheelite, chalcopyrite, pyrrhotite, 5-10mm cassiterite nuggets, wolframite as 20-50mm clots, secondary yellow tungstite, coarse disseminated silver halides described at present as silver sulphur salts. The sulphides at the time of writing appear to be blebs, rather than massive and extensive. Dolanski (1975) for the Geological NSW Survey stated testing at Pearce's shaft produced ferberite, plumbojarosite, jarosite, stolzite, beudanite, minium, massicot, and realgar. No modern exploration has so far confirmed any of these species.
History for the Tallebung field is under the 'Tallebung' main heading. General geology for the field is under this 'Tallebung Main Lead'. This includes lode information, and alluvial wash (Tallebung Main Lead being the latter). Where available geology information will be added to individual locations on the field specific to that location. Please note individual location geology is historic, relating to observations by geologists of the workings before 1963 when large scale open pit mining took place destroying the historic workings.
Alluvial tin as cassiterite has been found as coarse wash being old steam channels consisting of rock debris, quartz gravel and silt. They progress away from the nearby ridges which contain the tin bearing reefs. At deeper levels the wash contains coarse quartz, slate rubble, and clayey cement. High grades of Sn are found in larger boulders, and closer to the reefs. Cassiterite was found at two levels being 1-5.5 metres from the surface, and the other the bedrock channel.
Granite is needed for tin, and this has confused geologists a little as the nearest is the Erimeran Granite, a few kilometres to the south, and it has been assumed this is where the tin comes from. The lodes are hosted by claystone, quartzite and slate. This contains numerous discontinous quartz veins as stockworks and tension veins in a general NW to NNW trend. Some lodes are nearly completely angular quartz fragments healed by dark brown to black limonite. The reefs range from threads to 4.6 metres wide,up to 130 metres long, east dipping and cut the bedding. Some are fault and jount fillings. Cassiterite values can vary along the veins, in some cases forming nugget-like pods of cassiterite.
Wolframite can also be found in the veins, at times historically small amounts payable enough to extract. Also historically arsenopyrite was found in Plunkett's shaft and pyrite in Pearce's shaft. Extensive drilling 2023-2026 by Sky Metals has also located sphalerite, galena, bornite, scheelite, chalcopyrite, pyrrhotite, 5-10mm cassiterite nuggets, wolframite as 20-50mm clots, secondary yellow tungstite, coarse disseminated silver halides described at present as silver sulphur salts. The sulphides at the time of writing appear to be blebs, rather than massive and extensive. Dolanski (1975) for the Geological NSW Survey stated testing at Pearce's shaft produced ferberite, plumbojarosite, jarosite, stolzite, beudanite, minium, massicot, and realgar. No modern exploration has so far confirmed any of these species.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsCommodity List
This is a list of exploitable or exploited mineral commodities recorded at this locality.Mineral List
1 valid mineral.
Detailed Mineral List:
| ⓘ Cassiterite Formula: SnO2 |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 4 - Oxides and Hydroxides | |||
|---|---|---|---|
| ⓘ | Cassiterite | 4.DB.05 | SnO2 |
List of minerals for each chemical element
| O | Oxygen | |
|---|---|---|
| O | ⓘ Cassiterite | SnO2 |
| Sn | Tin | |
| Sn | ⓘ Cassiterite | SnO2 |
Other Regions, Features and Areas containing this locality
Australia
- Lachlan OrogenOrogen
- Central NSW - Omeo ProvinceGeologic Province
Australian PlateTectonic Plate
- Lachlan Fold Belt
- Wagga-Omeo Metamorphic ComplexOrogenic Belt
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