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Echunga goldfield, South Mt Lofty Ranges (Adelaide Hills), Mt Lofty Ranges, South Australia, Australiai
Regional Level Types
Echunga goldfieldOre Field
South Mt Lofty Ranges (Adelaide Hills)Mountain
Mt Lofty RangesMountain
South AustraliaState
AustraliaCountry

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Key
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Locality type:Ore Field
Largest Settlements:
PlacePopulation
Echunga846 (2012)


SARIG Mine Record Cards State;

"District Name: ECHUNGA GOLD FIELD

District Summary: The ECHUNGA GOLDFIELD was the first proclaimed goldfield in South Australia in 1852, becoming the State's most important goldfield with production of an estimated 200,000oz (6220.7kg). The field stretched roughly NS for 15km, from near the Mount Bold reservoir in the south to Hahndorf in the north. There were three major groupings of workings, southernmost being the Jupiter Creek Diggings, Chapel Hill Diggings (Old Echunga Diggings) to the north, then the smaller Biggs Flat Diggings north again. The former two are now located on historic reserves, and are important fossicking areas. Gold occurred principally as alluvial gold in leads of Tertiary age, and in recent alluvium to depths up to 10m. Within each of these areas there were numerous mines developed on quartz reefs, as well as many named individual "rushes" on geographically distinct alluvial deposits. Source of the gold was numerous quartz-iron oxide veins on adjacent hillsides, which contained finely disseminated gold. They rarely proved to be economic to mine. Diamonds were also discovered in the alluvials, with up to 50 saleable diamonds recorded, the largest to 5 ct. There may have been up to 200 small, colourless to yellow diamonds found. There were four main periods of mining, the last being in the 1930s, when poor returns were experienced from mining of alluvials. There may be potential for further resources of alluvial and reef gold, though no estimates of remaining resources have been attempted. Modern exploration for diamonds has included stream sediment, and soil sampling, and aeromagnetics, with some trenching. The area remains prospective for both alluvial gold and diamonds, and diamonds in kimberlites.

District Major Commodities: Gold"

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List

Mineral list contains entries from the region specified including sub-localities

17 valid minerals.

Detailed Mineral List:

Atacamite
Formula: Cu2(OH)3Cl
Azurite
Formula: Cu3(CO3)2(OH)2
Chalcocite
Formula: Cu2S
Chalcopyrite
Formula: CuFeS2
Copper
Formula: Cu
Diamond
Formula: C
Gahnite
Formula: ZnAl2O4
'Garnet Group'
Formula: X3Z2(SiO4)3
Gold
Formula: Au
Kyanite
Formula: Al2(SiO4)O
Malachite
Formula: Cu2(CO3)(OH)2
Pyrite
Formula: FeS2
Quartz
Formula: SiO2
Quartz var: Citrine
Formula: SiO2
Quartz var: Smoky Quartz
Formula: SiO2
Rutile
Formula: TiO2
Staurolite
Formula: Fe2+2Al9Si4O23(OH)
Sulphur
Formula: S8
Topaz
Formula: Al2(SiO4)(F,OH)2
Zircon
Formula: Zr(SiO4)

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Copper1.AA.05Cu
Diamond1.CB.10aC
Gold1.AA.05Au
Sulphur1.CC.05S8
Group 2 - Sulphides and Sulfosalts
Chalcocite2.BA.05Cu2S
Chalcopyrite2.CB.10aCuFeS2
Pyrite2.EB.05aFeS2
Group 3 - Halides
Atacamite3.DA.10aCu2(OH)3Cl
Group 4 - Oxides and Hydroxides
Gahnite4.BB.05ZnAl2O4
Quartz4.DA.05SiO2
var: Citrine4.DA.05SiO2
var: Smoky Quartz4.DA.05SiO2
Rutile4.DB.05TiO2
Group 5 - Nitrates and Carbonates
Azurite5.BA.05Cu3(CO3)2(OH)2
Malachite5.BA.10Cu2(CO3)(OH)2
Group 9 - Silicates
Kyanite9.AF.15Al2(SiO4)O
Staurolite9.AF.30Fe2+2Al9Si4O23(OH)
Topaz9.AF.35Al2(SiO4)(F,OH)2
Zircon9.AD.30Zr(SiO4)
Unclassified Minerals, Rocks, etc.
'Garnet Group'-X3Z2(SiO4)3

List of minerals arranged by Dana 8th Edition classification

Group 1 - NATIVE ELEMENTS AND ALLOYS
Metals, other than the Platinum Group
Copper1.1.1.3Cu
Gold1.1.1.1Au
Semi-metals and non-metals
Diamond1.3.6.1C
Sulphur1.3.5.1S8
Group 2 - SULFIDES
AmBnXp, with (m+n):p = 2:1
Chalcocite2.4.7.1Cu2S
AmBnXp, with (m+n):p = 1:1
Chalcopyrite2.9.1.1CuFeS2
AmBnXp, with (m+n):p = 1:2
Pyrite2.12.1.1FeS2
Group 4 - SIMPLE OXIDES
AX2
Rutile4.4.1.1TiO2
Group 7 - MULTIPLE OXIDES
AB2X4
Gahnite7.2.1.4ZnAl2O4
Group 10 - OXYHALIDES AND HYDROXYHALIDES
A2(O,OH)3Xq
Atacamite10.1.1.1Cu2(OH)3Cl
Group 16a - ANHYDROUS CARBONATES CONTAINING HYDROXYL OR HALOGEN
Azurite16a.2.1.1Cu3(CO3)2(OH)2
Malachite16a.3.1.1Cu2(CO3)(OH)2
Group 51 - NESOSILICATES Insular SiO4 Groups Only
Insular SiO4 Groups Only with cations in >[6] coordination
Zircon51.5.2.1Zr(SiO4)
Group 52 - NESOSILICATES Insular SiO4 Groups and O,OH,F,H2O
Insular SiO4 Groups and O, OH, F, and H2O with cations in [4] and >[4] coordination
Kyanite52.2.2c.1Al2(SiO4)O
Staurolite52.2.3.1Fe2+2Al9Si4O23(OH)
Insular SiO4 Groups and O, OH, F, and H2O with cations in [6] coordination only
Topaz52.3.1.1Al2(SiO4)(F,OH)2
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Unclassified Minerals, Mixtures, etc.
'Garnet Group'-X3Z2(SiO4)3
Quartz
var: Citrine
-SiO2
var: Smoky Quartz-SiO2

List of minerals for each chemical element

HHydrogen
H StauroliteFe22+Al9Si4O23(OH)
H TopazAl2(SiO4)(F,OH)2
H AzuriteCu3(CO3)2(OH)2
H MalachiteCu2(CO3)(OH)2
H AtacamiteCu2(OH)3Cl
CCarbon
C AzuriteCu3(CO3)2(OH)2
C MalachiteCu2(CO3)(OH)2
C DiamondC
OOxygen
O StauroliteFe22+Al9Si4O23(OH)
O Quartz (var: Smoky Quartz)SiO2
O Quartz (var: Citrine)SiO2
O Garnet GroupX3Z2(SiO4)3
O ZirconZr(SiO4)
O RutileTiO2
O TopazAl2(SiO4)(F,OH)2
O QuartzSiO2
O AzuriteCu3(CO3)2(OH)2
O MalachiteCu2(CO3)(OH)2
O AtacamiteCu2(OH)3Cl
O GahniteZnAl2O4
O KyaniteAl2(SiO4)O
FFluorine
F TopazAl2(SiO4)(F,OH)2
AlAluminium
Al StauroliteFe22+Al9Si4O23(OH)
Al TopazAl2(SiO4)(F,OH)2
Al GahniteZnAl2O4
Al KyaniteAl2(SiO4)O
SiSilicon
Si StauroliteFe22+Al9Si4O23(OH)
Si Quartz (var: Smoky Quartz)SiO2
Si Quartz (var: Citrine)SiO2
Si Garnet GroupX3Z2(SiO4)3
Si ZirconZr(SiO4)
Si TopazAl2(SiO4)(F,OH)2
Si QuartzSiO2
Si KyaniteAl2(SiO4)O
SSulfur
S PyriteFeS2
S SulphurS8
S ChalcopyriteCuFeS2
S ChalcociteCu2S
ClChlorine
Cl AtacamiteCu2(OH)3Cl
TiTitanium
Ti RutileTiO2
FeIron
Fe StauroliteFe22+Al9Si4O23(OH)
Fe PyriteFeS2
Fe ChalcopyriteCuFeS2
CuCopper
Cu ChalcopyriteCuFeS2
Cu CopperCu
Cu AzuriteCu3(CO3)2(OH)2
Cu MalachiteCu2(CO3)(OH)2
Cu ChalcociteCu2S
Cu AtacamiteCu2(OH)3Cl
ZnZinc
Zn GahniteZnAl2O4
ZrZirconium
Zr ZirconZr(SiO4)
AuGold
Au GoldAu

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Noble R.J, Just J, Johnson J. E. (1983), Catalogue of South Australian Minerals - 1983, Government Printer, South Australia.
Brown H.Y.L, (1908), Record of Mines of South Australia, Government Printer, South Australia, 4ed.
RECORD OF MINES SUMMARY CARD NO 74

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