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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 peninsulaPeninsula
Thames-Coromandel DistrictDistrict
Waikato RegionRegion
New ZealandCountry

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Key
Latitude & Longitude (WGS84):
36° 43' 4'' South , 175° 43' 54'' East
Latitude & Longitude (decimal):
Köppen climate type:
Nearest Settlements:
PlacePopulationDistance
Whitianga3,367 (2011)13.1km
Coromandel1,502 (2014)21.5km
Tairua1,588 (2011)34.8km
Pauanui749 (2011)35.3km
Thames7,136 (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 Dana Chemical Elements

Mineral List


6 valid minerals.

Detailed Mineral List:

Alunite
Formula: KAl3(SO4)2(OH)6
Reference: Christie, A.B., Mauk, J.L., Simpson, M.P., Brathwaite, R.L., Simmons, S.F. (2007) Epithermal Au-Ag and Related Deposits of the Hauraki Goldfield, Coromandel Volcanic Zone, New Zealand. Economic Geology, 102:5, 785-816.
Calcite
Formula: CaCO3
Reference: Christie, A.B., Mauk, J.L., Simpson, M.P., Brathwaite, R.L., Simmons, S.F. (2007) Epithermal Au-Ag and Related Deposits of the Hauraki Goldfield, Coromandel Volcanic Zone, New Zealand. Economic Geology, 102:5, 785-816.
Gold
Formula: Au
Reference: Christie, A.B., Mauk, J.L., Simpson, M.P., Brathwaite, R.L., Simmons, S.F. (2007) Epithermal Au-Ag and Related Deposits of the Hauraki Goldfield, Coromandel Volcanic Zone, New Zealand. Economic Geology, 102:5, 785-816.
'K Feldspar'
Reference: Christie, A.B., Mauk, J.L., Simpson, M.P., Brathwaite, R.L., Simmons, S.F. (2007) Epithermal Au-Ag and Related Deposits of the Hauraki Goldfield, Coromandel Volcanic Zone, New Zealand. Economic Geology, 102:5, 785-816.
'K Feldspar var: '
Formula: KAlSi3O8
Reference: Christie, A.B., Mauk, J.L., Simpson, M.P., Brathwaite, R.L., Simmons, S.F. (2007) Epithermal Au-Ag and Related Deposits of the Hauraki Goldfield, Coromandel Volcanic Zone, New Zealand. Economic Geology, 102:5, 785-816.
Pyrite
Formula: FeS2
Reference: Christie, A.B., Mauk, J.L., Simpson, M.P., Brathwaite, R.L., Simmons, S.F. (2007) Epithermal Au-Ag and Related Deposits of the Hauraki Goldfield, Coromandel Volcanic Zone, New Zealand. Economic Geology, 102:5, 785-816.
Pyrrhotite
Formula: Fe1-xS
Reference: Christie, A.B., Mauk, J.L., Simpson, M.P., Brathwaite, R.L., Simmons, S.F. (2007) Epithermal Au-Ag and Related Deposits of the Hauraki Goldfield, Coromandel Volcanic Zone, New Zealand. Economic Geology, 102:5, 785-816.
Quartz
Formula: SiO2
Reference: Christie, A.B., Mauk, J.L., Simpson, M.P., Brathwaite, R.L., Simmons, S.F. (2007) Epithermal Au-Ag and Related Deposits of the Hauraki Goldfield, Coromandel Volcanic Zone, New Zealand. Economic Geology, 102:5, 785-816.
Quartz var:
Formula: SiO2
Reference: Christie, A.B., Mauk, J.L., Simpson, M.P., Brathwaite, R.L., Simmons, S.F. (2007) Epithermal Au-Ag and Related Deposits of the Hauraki Goldfield, Coromandel Volcanic Zone, New Zealand. Economic Geology, 102:5, 785-816.

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Gold1.AA.05Au
Group 2 - Sulphides and Sulfosalts
Pyrite2.EB.05aFeS2
Pyrrhotite2.CC.10Fe1-xS
Group 4 - Oxides and Hydroxides
Quartz4.DA.05SiO2
var: Chalcedony4.DA.05SiO2
Group 5 - Nitrates and Carbonates
Calcite5.AB.05CaCO3
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Alunite7.BC.10KAl3(SO4)2(OH)6
Unclassified Minerals, Rocks, etc.
'K Feldspar'-
'var: Adularia'-KAlSi3O8

List of minerals arranged by Dana 8th Edition classification

Group 1 - NATIVE ELEMENTS AND ALLOYS
Metals, other than the Platinum Group
Gold1.1.1.1Au
Group 2 - SULFIDES
AmXp, with m:p = 1:1
Pyrrhotite2.8.10.1Fe1-xS
AmBnXp, with (m+n):p = 1:2
Pyrite2.12.1.1FeS2
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3
Group 30 - ANHYDROUS SULFATES CONTAINING HYDROXYL OR HALOGEN
(AB)2(XO4)Zq
Alunite30.2.4.1KAl3(SO4)2(OH)6
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Unclassified Minerals, Mixtures, etc.
'K Feldspar'-
'var: Adularia'-KAlSi3O8
Quartz
var: Chalcedony
-SiO2

List of minerals for each chemical element

HHydrogen
H AluniteKAl3(SO4)2(OH)6
CCarbon
C CalciteCaCO3
OOxygen
O QuartzSiO2
O CalciteCaCO3
O K Feldspar (var: Adularia)KAlSi3O8
O Quartz (var: Chalcedony)SiO2
O AluniteKAl3(SO4)2(OH)6
AlAluminium
Al K Feldspar (var: Adularia)KAlSi3O8
Al AluniteKAl3(SO4)2(OH)6
SiSilicon
Si QuartzSiO2
Si K Feldspar (var: Adularia)KAlSi3O8
Si Quartz (var: Chalcedony)SiO2
SSulfur
S PyriteFeS2
S PyrrhotiteFe1-xS
S AluniteKAl3(SO4)2(OH)6
KPotassium
K K Feldspar (var: Adularia)KAlSi3O8
K AluniteKAl3(SO4)2(OH)6
CaCalcium
Ca CalciteCaCO3
FeIron
Fe PyriteFeS2
Fe PyrrhotiteFe1-xS
AuGold
Au GoldAu

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
New Zealand Herald newspaper (1889) The New Goldfield. The Kuaotunu Claims. Visit to the Field. The Best Since the Discovery of the Thames. Splendid Prospects, Vol. XXVI, issue 9432, 01 August 1889.
New Zealand Herald newspaper (1889) The New Goldfield at Mercury Bay, Vol. XXVI, issue 5459, 02 September 1889.
New Zealand Herald newspaper (1891) Kuaotunu, Vol. XXVIII, issue 8738, 01 December 1891.
Thames Star newspaper (1892) Mining, Vol. XXIII, issue 7088, 21 January 1892.
Auckland Star newspaper (1893) Kuaotunu, Vol. XXIV, issue 235, 04 October 1893.
New Zealand Herald newspaper (1894) Kuaotunu, Vol. XXXI, issue 9457, 13 March 1894.
Auckland Star newspaper (1901) Kuaotunu, Vol. XXVIII, issue 8738, 01 December 1901.
Auckland Star newspaper (1908) Coromandel Warden's Court, Vol. XXXIX, issue 138, 10 June 1908.
Auckland Star newspaper (1909) Warden's Court, Vol. XL, issue 244, 13 October 1909.
Bell, J.M., Fraser, C. (1912) The geology of the Waihi-Tairua Subdivision, Hauraki Division. New Zealand Geological Survey, Bulletin No. 15, New Zealand Government, Wellington, 192 pages.
Christie, A.B., Mauk, J.L., Simpson, M.P., Brathwaite, R.L., Simmons, S.F. (2007) Epithermal Au-Ag and Related Deposits of the Hauraki Goldfield, Coromandel Volcanic Zone, New Zealand. Economic Geology, 102:5, 785-816.

Other Regions, Features and Areas containing this locality

Australian PlateTectonic Plate
New Zealand

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