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Olivewood Gold Mine (Olive Wood Mine; One-Oh-Two; One-Oh-Three; Havelock; Orlando East; 102 prospect), Tennant Creek, Barkly Region, Northern Territory, Australiai
Regional Level Types
Olivewood Gold Mine (Olive Wood Mine; One-Oh-Two; One-Oh-Three; Havelock; Orlando East; 102 prospect)Mine
Tennant CreekCreek
Barkly RegionRegion
Northern TerritoryTerritory
AustraliaCountry

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Key
Lock Map
Latitude & Longitude (WGS84):
19° 26' 28'' South , 134° 2' 51'' East
Latitude & Longitude (decimal):
Locality type:
Nearest Settlements:
PlacePopulationDistance
Tennant Creek3,889 (2012)27.6km


These locations have been combined, as the sources tend to describe the whole area as one. They are 28 kilometres north-west of Tennant Creek, between the Orlando and Gecko mines.

Olivewood (or Olive Wood) forms the most extensive historic workings, and as such has been used as the main heading. The mine produced 267 tonnes of ore at 15.7 g/t Au, or in another source 263 tonnes at 10.26 dwt. Bonzle names the Olivewood and Havelock mines as the same location, which is incorrect.

A few hundred metres to the north-east is One-Oh-Two (or 102), with two further un-named groups of workings between. The mine is said to be on a steep south-east trending ridge capped with ironstone, with a small 3 metre deep historic pit. Elliston in 1959 got very excited about bladed hematite at the location forming cellular boxworks.

Havelock is a few hundred metres north of Olivewood, or north north-east of One-Oh-Two, consisting of a shaft and several small pits. This was worked in the 1930's producing 58 tonnes of ore for 139 ounces of gold, or in another source 57 tonnes at 8.5 dwt. No further historic information was found for any of the sites.

Orlando East is south of the above mines by a few hundred metres, containing some workings only a few metres deep. One-Oh-Three is mentioned as an anomaly near One-Oh-Two by a 1959 source shortly after its discovery. It is probably referred to in later sources, but remained un-named by this stage.

There are three north-west to south-east shear zones, Havelock being on the Havelock Shear Zone, Olivewood/One-Oh-Two on the Olivewood-102 Shear Zone, with the Orlando East Shear Zone to the south. In turn they are all between the parallel Orlando Shear Zone to the south, and Gecko Shear Zone to the north.

Geology tends to mention species, then confusion about its structural relationship. Generally poor mineralisation was found, with the possible exception of Orlando East. Geopeko drilled the deposit between 1970 to 1988, with 6 holes, but it appears all failed for various reasons. North Flinders Mines investigated 1992-1994 with 72 holes drilled close to the Olivewood/One-Oh-Two workings. They determined two ironstone bodies at Olivewood/One-Oh-Two they named Western and Main, with at best patchy mineralisation.

The largest ironstone body is called the Olivewood Trig Ironstone at 90 x 10 metres. This is non gossanous lenticular dense black magnetite-hematite ironstone, with minor quartz veining. The shear zone contains multiple hematite-magnetite pods in a quartz-hematite matrix, with common specular hematite.

Siltstone, greywacke and shale is folded along north-west trending axes of the three shear zones. Small hematite-quartz ironstone lenses commonly outcrop in the Olivewood-102 Shear Zone. Fine grained turbitite red-brown siltstone and greywacke is found, altered to dark red-brown hematite (after chlorite), with specular hematite stringers. The Olivewood-102 Shear is 2 kilometres long, and displaced by a number of north north-west and north-east faults.

Archibald attempted largely without success to interpret the structures at One-Oh-Two. He states outcropping is absent, but sub-outcropping is relatively common. The dip and strike was impossible to define, and trend were variable, or to distinguish between sheared porphyry and sheared sediment. Faulting and shearing had re-orientated the strata. There is a large conjugate north-east and north-west fault set cutting the Olivewood/One-Oh-Two ridge, which he suggest has played a role in the re-orientation, and difficulties in interpreting the site. This unco-operative location only proves geologists should be paid more.

The Orlando East Shear is noted as lacking magnetite, but with nearby quartz-feldspar porphyries. Outcropping is lacking. Gold and bismuth mineralisation is associated with sheared hematitic siltstone, adjacent to sheared quartz-feldspar porphyry. Rock chip sampling achieved a highest grade of 7.39 g/t Au, 133 ppm copper and 592 ppm bismuth.

Havelock was explored with 273 drill holes, finding only weak gold, copper and bismuth anomalies.



Regions containing this locality

Australian Plate (Australia Plate)Tectonic Plate
North Australian Element, AustraliaCraton
Kalkarindji Igneous Province, Northern Territory, AustraliaGeologic Province
Warramunga Province, Northern Territory, AustraliaGeologic Province

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded at this locality.


Mineral List


11 valid minerals.

Rock Types Recorded

Note: this is a very new system on mindat.org and data is currently VERY limited. Please bear with us while we work towards adding this information!

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

Chalcopyrite
Formula: CuFeS2
Reference: Archibald, D.A.C. (1993) Annual Report Presented for MLC 20 (One-Oh-Two) for 12 months to 31st July 1993, North Flinders Mines Ltd.
'Chlorite Group'
Reference: Archibald, D.A.C. (1993) Annual Report Presented for MLC 20 (One-Oh-Two) for 12 months to 31st July 1993, North Flinders Mines Ltd.
Dolomite
Formula: CaMg(CO3)2
Reference: Archibald, D.A.C. (1993) Annual Report Presented for MLC 20 (One-Oh-Two) for 12 months to 31st July 1993, North Flinders Mines Ltd.
'Feldspar Group'
Reference: Archibald, D.A.C. (1993) Annual Report Presented for MLC 20 (One-Oh-Two) for 12 months to 31st July 1993, North Flinders Mines Ltd.
Gold
Formula: Au
Reference: Archibald, D.A.C. (1993) Annual Report Presented for MLC 20 (One-Oh-Two) for 12 months to 31st July 1993, North Flinders Mines Ltd.
Hematite
Formula: Fe2O3
Reference: Archibald, D.A.C. (1993) Annual Report Presented for MLC 20 (One-Oh-Two) for 12 months to 31st July 1993, North Flinders Mines Ltd.
Hematite var: Martite
Formula: Fe2O3
Reference: Archibald, D.A.C. (1993) Annual Report Presented for MLC 20 (One-Oh-Two) for 12 months to 31st July 1993, North Flinders Mines Ltd.
Leucoxene
Reference: Archibald, D.A.C. (1993) Annual Report Presented for MLC 20 (One-Oh-Two) for 12 months to 31st July 1993, North Flinders Mines Ltd.
'Limonite'
Formula: (Fe,O,OH,H2O)
Reference: Archibald, D.A.C. (1993) Annual Report Presented for MLC 20 (One-Oh-Two) for 12 months to 31st July 1993, North Flinders Mines Ltd.
Magnetite
Formula: Fe2+Fe3+2O4
Reference: Archibald, D.A.C. (1993) Annual Report Presented for MLC 20 (One-Oh-Two) for 12 months to 31st July 1993, North Flinders Mines Ltd.
Muscovite
Formula: KAl2(AlSi3O10)(OH)2
Reference: Archibald, D.A.C. (1993) Annual Report Presented for MLC 20 (One-Oh-Two) for 12 months to 31st July 1993, North Flinders Mines Ltd.
Muscovite var: Sericite
Formula: KAl2(AlSi3O10)(OH)2
Reference: Archibald, D.A.C. (1993) Annual Report Presented for MLC 20 (One-Oh-Two) for 12 months to 31st July 1993, North Flinders Mines Ltd.
Quartz
Formula: SiO2
Reference: Archibald, D.A.C. (1993) Annual Report Presented for MLC 20 (One-Oh-Two) for 12 months to 31st July 1993, North Flinders Mines Ltd.
Rutile
Formula: TiO2
Reference: Archibald, D.A.C. (1993) Annual Report Presented for MLC 20 (One-Oh-Two) for 12 months to 31st July 1993, North Flinders Mines Ltd.
Titanite
Formula: CaTi(SiO4)O
Reference: Archibald, D.A.C. (1993) Annual Report Presented for MLC 20 (One-Oh-Two) for 12 months to 31st July 1993, North Flinders Mines Ltd.
Zircon
Formula: Zr(SiO4)
Reference: Archibald, D.A.C. (1993) Annual Report Presented for MLC 20 (One-Oh-Two) for 12 months to 31st July 1993, North Flinders Mines Ltd.

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Gold1.AA.05Au
Group 2 - Sulphides and Sulfosalts
Chalcopyrite2.CB.10aCuFeS2
Group 4 - Oxides and Hydroxides
Hematite4.CB.05Fe2O3
var: Martite4.CB.05Fe2O3
Magnetite4.BB.05Fe2+Fe3+2O4
Quartz4.DA.05SiO2
Rutile4.DB.05TiO2
Group 5 - Nitrates and Carbonates
Dolomite5.AB.10CaMg(CO3)2
Group 9 - Silicates
Muscovite9.EC.15KAl2(AlSi3O10)(OH)2
var: Sericite9.EC.15KAl2(AlSi3O10)(OH)2
Titanite9.AG.15CaTi(SiO4)O
Zircon9.AD.30Zr(SiO4)
Unclassified Minerals, Rocks, etc.
'Chlorite Group'-
'Feldspar Group'-
Leucoxene-
'Limonite'-(Fe,O,OH,H2O)

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
AmBnXp, with (m+n):p = 1:1
Chalcopyrite2.9.1.1CuFeS2
Group 4 - SIMPLE OXIDES
A2X3
Hematite4.3.1.2Fe2O3
AX2
Rutile4.4.1.1TiO2
Group 7 - MULTIPLE OXIDES
AB2X4
Magnetite7.2.2.3Fe2+Fe3+2O4
Group 14 - ANHYDROUS NORMAL CARBONATES
AB(XO3)2
Dolomite14.2.1.1CaMg(CO3)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 [6] and/or >[6] coordination
Titanite52.4.3.1CaTi(SiO4)O
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 2:1 layers
Muscovite71.2.2a.1KAl2(AlSi3O10)(OH)2
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Unclassified Minerals, Mixtures, etc.
'Chlorite Group'-
'Feldspar Group'-
Hematite
var: Martite
-Fe2O3
Leucoxene-
'Limonite'-(Fe,O,OH,H2O)
Muscovite
var: Sericite
-KAl2(AlSi3O10)(OH)2

List of minerals for each chemical element

HHydrogen
H Limonite(Fe,O,OH,H2O)
H Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
H MuscoviteKAl2(AlSi3O10)(OH)2
CCarbon
C DolomiteCaMg(CO3)2
OOxygen
O QuartzSiO2
O HematiteFe2O3
O MagnetiteFe2+Fe23+O4
O Limonite(Fe,O,OH,H2O)
O Hematite (var: Martite)Fe2O3
O DolomiteCaMg(CO3)2
O RutileTiO2
O TitaniteCaTi(SiO4)O
O Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
O ZirconZr(SiO4)
O MuscoviteKAl2(AlSi3O10)(OH)2
MgMagnesium
Mg DolomiteCaMg(CO3)2
AlAluminium
Al Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
Al MuscoviteKAl2(AlSi3O10)(OH)2
SiSilicon
Si QuartzSiO2
Si TitaniteCaTi(SiO4)O
Si Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
Si ZirconZr(SiO4)
Si MuscoviteKAl2(AlSi3O10)(OH)2
SSulfur
S ChalcopyriteCuFeS2
KPotassium
K Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
K MuscoviteKAl2(AlSi3O10)(OH)2
CaCalcium
Ca DolomiteCaMg(CO3)2
Ca TitaniteCaTi(SiO4)O
TiTitanium
Ti RutileTiO2
Ti TitaniteCaTi(SiO4)O
FeIron
Fe HematiteFe2O3
Fe MagnetiteFe2+Fe23+O4
Fe Limonite(Fe,O,OH,H2O)
Fe Hematite (var: Martite)Fe2O3
Fe ChalcopyriteCuFeS2
CuCopper
Cu ChalcopyriteCuFeS2
ZrZirconium
Zr ZirconZr(SiO4)
AuGold
Au GoldAu

Regional Geology

This geological map and associated information on rock units at or nearby to the coordinates given for this locality is based on relatively small scale geological maps provided by various national Geological Surveys. This does not necessarily represent the complete geology at this locality but it gives a background for the region in which it is found.

Click on geological units on the map for more information. Click here to view full-screen map on Macrostrat.org

Paleoproterozoic
1600 - 2500 Ma



ID: 3187547
Paleoproterozoic intrusive rocks

Age: Proterozoic (1600 - 2500 Ma)

Comments: Tennant Creek Block

Lithology: Intrusive igneous rocks

Reference: Chorlton, L.B. Generalized geology of the world: bedrock domains and major faults in GIS format: a small-scale world geology map with an extended geological attribute database. doi: 10.4095/223767. Geological Survey of Canada, Open File 5529. [154]

Statherian - Orosirian
1600 - 2050 Ma



ID: 817158
felsic intrusives 72645

Age: Paleoproterozoic (1600 - 2050 Ma)

Description: Undifferentiated felsic intrusives, some gneissic

Comments: igneous felsic intrusive; synthesis of multiple published descriptions

Lithology: Igneous felsic intrusive

Reference: Raymond, O.L., Liu, S., Gallagher, R., Zhang, W., Highet, L.M. Surface Geology of Australia 1:1 million scale dataset 2012 edition. Commonwealth of Australia (Geoscience Australia). [5]

Data and map coding provided by Macrostrat.org, used under Creative Commons Attribution 4.0 License

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Ivanac, J.F. (1954) The Geology and Mineral Deposits of the Tennant Creek Gold-Field, Northern Territory, Bureau of Mineral Resources, Geology and Geophysics, Department of National Development, Bulletin No. 22.
Love, R.J. (1985) Annual Report on Exploration Licence EL 4179 Within Tennant Creek 1:250 000 Sheet, 23rd March 1984-22nd March 1985, Peko-Wallsend Operations Ltd.
Mouchet, P. (1999) Annual Report for MCCs 315, 348-351, 888-895, 904-906, 969-972, 981-982 and MLCs 20, 328-337, 693 for the Period 1/8/97 to 25/3/99. Tennant Creek District, Northern Territory, Camelot Central Joint Venture 2, Occidental Reporting Group, Map Sheet No SE53-14, Volume 1 of 1, Normandy Tennant Creek Pty Ltd.
Archibald, D.A.C. (1992) Annual Report Presented for MLC 20 (One-Oh-Two) for 12 Months to 31st July 1992, North Flinders Mines Ltd.
Hatcher, M.I. (1995) Annual Report for Mineral Lease Central Number 20 for the Period 1/8/94 to 31/7/95, Tennant Creek District, Northern Territory,. One-Oh-Two Prospect, Tennant Creek 1:250,000 Sheet SE 53-14, Volume 1 of 1, Posgold Limited.
Elliston, J. (1959) Geological Report on the Olive Wood Prospect. Tennant Creek, Peko Mines No Liability (CR 19590016).
Archibald, D.A.C. (1993) Annual Report Presented for MLC 20 (One-Oh-Two) for 12 months to 31st July 1993, North Flinders Mines Ltd.
Archibald, D. (1993) Annual Report Presented for ERL 86 (Olivewood Prospect) for Twelve Months to 18th September 1993, Volume 1, North Flinders Mines Ltd.


This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.
 
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