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Hermitage prospect (Explorer 26), Tennant Creek, Barkly Region, Northern Territory, Australiai
Regional Level Types
Hermitage prospect (Explorer 26)Prospect
Tennant CreekCreek
Barkly RegionRegion
Northern TerritoryTerritory
AustraliaCountry

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Latitude & Longitude (WGS84):
19° 18' 40'' South , 134° 9' 30'' East
Latitude & Longitude (decimal):
Nearest Settlements:
PlacePopulationDistance
Tennant Creek3,889 (2012)37.8km
Mindat Locality ID:
293077
Long-form identifier:
mindat:1:2:293077:3
GUID (UUID V4):
0


Hermitage is 38 kilometres north of Tennant Creek, and 4 kilometres west of the Stuart Highway. It is one kilometre north of the Northern Star Gold Mine, access along bush tracks from the haul road to this mine.

The site shows outcropping hematite/quartz ironstone, silicified hematite rich siltstone, and jasper, hosted by siltstone, and fine grained sandstone. It is part of the east-west Northern Star-Marathon-Whippet structure, and in a northern extension of the north-east trending Northern Star structure.

The area shows as Aeolian covered sand flats, with three minor hematite-quartz outcrops, in hematite rich sedimentary rocks, with minor jasper. The most north-east of the outcrops shows shallow historic pits to a depth of one metre, but there is no recorded production.

Discovered in 1937 from an AGGSNA magnetic survey. Rock chip sampling was undertaken by Geopeko in 1988, but most came in as under 0.1 g/t Au, with the exception of 3 samples showing high gold grades. Drilled by Northern Star Territory Gold Mines, then Geopeko who drilled 14 holes, with variable results. The best was 9 metres @ 21 g/t Au, 3% Cu, and 2.4% Bi. 'Good' arsenic, uranium and tungsten values were found in one hole tested for these elements.

Pacific Mining Corporation Limited on behalf of Normandy explored the site between 1991 to 1997 via a remarkable 749 drill holes, finding only low Au values. It states the bedrock is very weathered siltstone, fresh material below this purple, red-brown to brown, with some fine grained greywacke. Areas of chlorite-hematite-jasperoidal ironstone show anomalous gold and copper, with lesser bismuth. With the amount of drill holes there should be more geology information, but the source spends most of its time explaining why certain types of drilling took place.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


8 valid minerals.

Rock Types Recorded


Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

ⓘ Alloclasite
Formula: Co1-xFexAsS
ⓘ Chamosite
Formula: Fe2+5Al(AlSi3O10)(OH)8
ⓘ 'Chlorite Group'
ⓘ Clinochlore
Formula: Mg5Al(AlSi3O10)(OH)8
ⓘ Cobaltite
Formula: CoAsS
ⓘ Hematite
Formula: Fe2O3
ⓘ Magnetite
Formula: Fe2+Fe3+2O4
ⓘ Native Gold
Formula: Au
ⓘ Quartz
Formula: SiO2

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
ⓘNative Gold1.AA.05Au
Group 2 - Sulphides and Sulfosalts
ⓘAlloclasite2.EB.10bCo1-xFexAsS
ⓘCobaltite2.EB.25CoAsS
Group 4 - Oxides and Hydroxides
ⓘMagnetite4.BB.05Fe2+Fe3+2O4
ⓘHematite4.CB.05Fe2O3
ⓘQuartz4.DA.05SiO2
Group 9 - Silicates
ⓘChamosite9.EC.55Fe2+5Al(AlSi3O10)(OH)8
ⓘClinochlore9.EC.55Mg5Al(AlSi3O10)(OH)8
Unclassified
ⓘ'Chlorite Group'-

List of minerals for each chemical element

HHydrogen
Hⓘ ChamositeFe52+Al(AlSi3O10)(OH)8
Hⓘ ClinochloreMg5Al(AlSi3O10)(OH)8
OOxygen
Oⓘ ChamositeFe52+Al(AlSi3O10)(OH)8
Oⓘ ClinochloreMg5Al(AlSi3O10)(OH)8
Oⓘ HematiteFe2O3
Oⓘ MagnetiteFe2+Fe23+O4
Oⓘ QuartzSiO2
MgMagnesium
Mgⓘ ClinochloreMg5Al(AlSi3O10)(OH)8
AlAluminium
Alⓘ ChamositeFe52+Al(AlSi3O10)(OH)8
Alⓘ ClinochloreMg5Al(AlSi3O10)(OH)8
SiSilicon
Siⓘ ChamositeFe52+Al(AlSi3O10)(OH)8
Siⓘ ClinochloreMg5Al(AlSi3O10)(OH)8
Siⓘ QuartzSiO2
SSulfur
Sⓘ AlloclasiteCo1-xFexAsS
Sⓘ CobaltiteCoAsS
FeIron
Feⓘ AlloclasiteCo1-xFexAsS
Feⓘ ChamositeFe52+Al(AlSi3O10)(OH)8
Feⓘ HematiteFe2O3
Feⓘ MagnetiteFe2+Fe23+O4
CoCobalt
Coⓘ AlloclasiteCo1-xFexAsS
Coⓘ CobaltiteCoAsS
AsArsenic
Asⓘ AlloclasiteCo1-xFexAsS
Asⓘ CobaltiteCoAsS
AuGold
Auⓘ Native GoldAu

Other Regions, Features and Areas containing this locality

Australia
Australian PlateTectonic Plate

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