Black Jack Mine, Kuaotunu, Coromandel peninsula, Thames-Coromandel District, Waikato Region, New Zealandi
| Regional Level Types | |
|---|---|
| Black Jack Mine | - not defined - |
| Kuaotunu | - not defined - |
| Coromandel peninsula | Peninsula |
| Thames-Coromandel District | District |
| Waikato Region | Region |
| New Zealand | Country |
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Latitude & Longitude (WGS84):
36° 43' 4'' South , 175° 43' 54'' East
Latitude & Longitude (decimal):
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Whitianga | 3,367 (2011) | 13.1km |
| Coromandel | 1,502 (2014) | 21.5km |
| Tairua | 1,588 (2011) | 34.8km |
| Pauanui | 749 (2011) | 35.3km |
| Thames | 7,136 (2014) | 49.7km |
The deposit contains alunite, quartz after platy calcite, kaolinite, pyrite, adularia, trace pyrrhotite, and gold, in chalcedonic silica pipes in a sinter deposit.
The mine is said to be close to the eastern edge of the Kuaotunu town, on a high bluff close to the sea, and along the coast here now is the Black Jack conservation reserve. Mindat co-ordinates are very approximate, and only denote the general area. The name of the mine is stated as coming from the dark coloured rock at the site, however it is tempting to think it relates to the names of its early owners, who by a happy coincidence some have coloured surnames.
In 1891, the mine produced 30 tonnes of ore for 28 ounces of gold. The mine operated intermittently across the 1890's.
The lease was developed from 1889, by A. White and party. In 1892, the lease is worked by Rowe and party. Across at least 1891 to 1894, A.G.S. Black and Pierce take out 70 tonnes of ore. Black suggests electricity could be generated for the mines by installing windmills on the hills, and is almost laughed out of town. A man born over one hundred years too early.
In 1908 Sam A. Shaw applied for the lease, and in 1909 John A. McNeill took over. Its stated at this time, that 215.5 tonnes of ore has been crushed from Black Jack during its life.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsDetailed Mineral List:
| ⓘ Alunite Formula: KAl3(SO4)2(OH)6 |
| ⓘ Calcite Formula: CaCO3 |
| ⓘ 'K Feldspar' |
| ⓘ 'K Feldspar var. Adularia' Formula: KAlSi3O8 |
| ⓘ Native Gold Formula: Au |
| ⓘ Pyrite Formula: FeS2 |
| ⓘ Pyrrhotite Formula: Fe1-xS |
| ⓘ Quartz Formula: SiO2 |
| ⓘ Quartz var. Chalcedony Formula: SiO2 |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 1 - Elements | |||
|---|---|---|---|
| ⓘ | Native Gold | 1.AA.05 | Au |
| Group 2 - Sulphides and Sulfosalts | |||
| ⓘ | Pyrrhotite | 2.CC.10 | Fe1-xS |
| ⓘ | Pyrite | 2.EB.05a | FeS2 |
| Group 4 - Oxides and Hydroxides | |||
| ⓘ | Quartz var. Chalcedony | 4.DA.05 | SiO2 |
| ⓘ | 4.DA.05 | SiO2 | |
| Group 5 - Nitrates and Carbonates | |||
| ⓘ | Calcite | 5.AB.05 | CaCO3 |
| Group 7 - Sulphates, Chromates, Molybdates and Tungstates | |||
| ⓘ | Alunite | 7.BC.10 | KAl3(SO4)2(OH)6 |
| Unclassified | |||
| ⓘ | 'K Feldspar var. Adularia' | - | KAlSi3O8 |
| ⓘ | '' | - | |
List of minerals for each chemical element
| H | Hydrogen | |
|---|---|---|
| H | ⓘ Alunite | KAl3(SO4)2(OH)6 |
| C | Carbon | |
| C | ⓘ Calcite | CaCO3 |
| O | Oxygen | |
| O | ⓘ K Feldspar var. Adularia | KAlSi3O8 |
| O | ⓘ Alunite | KAl3(SO4)2(OH)6 |
| O | ⓘ Calcite | CaCO3 |
| O | ⓘ Quartz var. Chalcedony | SiO2 |
| O | ⓘ Quartz | SiO2 |
| Al | Aluminium | |
| Al | ⓘ K Feldspar var. Adularia | KAlSi3O8 |
| Al | ⓘ Alunite | KAl3(SO4)2(OH)6 |
| Si | Silicon | |
| Si | ⓘ K Feldspar var. Adularia | KAlSi3O8 |
| Si | ⓘ Quartz var. Chalcedony | SiO2 |
| Si | ⓘ Quartz | SiO2 |
| S | Sulfur | |
| S | ⓘ Alunite | KAl3(SO4)2(OH)6 |
| S | ⓘ Pyrite | FeS2 |
| S | ⓘ Pyrrhotite | Fe1-xS |
| K | Potassium | |
| K | ⓘ K Feldspar var. Adularia | KAlSi3O8 |
| K | ⓘ Alunite | KAl3(SO4)2(OH)6 |
| Ca | Calcium | |
| Ca | ⓘ Calcite | CaCO3 |
| Fe | Iron | |
| Fe | ⓘ Pyrite | FeS2 |
| Fe | ⓘ Pyrrhotite | Fe1-xS |
| Au | Gold | |
| Au | ⓘ Native Gold | Au |
Other Regions, Features and Areas containing this locality
Australian PlateTectonic Plate
- Taranaki ProvinceVolcanic Arc
New Zealand
- North IslandIsland
Pacific OceanOcean
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