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Surprise mine, Northampton, Northampton Shire, Western Australia, Australia

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Latitude & Longitude (WGS84): 27° 49' 58'' South , 114° 41' 5'' East
Latitude & Longitude (decimal): -27.83295,114.68494
GeoHash:G#: qe199tpj2
Locality type:Mine
Köppen climate type:BSh : Hot semi-arid (steppe) climate

Locality: 56 km north of Northampton.

The mine is located on the southern bank of the Murchison River, west and near Galena Bridge, which carries the North West Coastal Highway across the river. The mullock hill has been encased in earth making specimen collecting difficult. What remains is gradually degenerating on exposure to oxygen. Galena, South Surprise and Two Boys mines are all in the same vicinity.

The mine was operated by R.M. Halgood from 1867-1872, and in its early years ore was transported by tramway to the Warribanno smelter. The mine closed in 1878 when Halgood died.

It re-opened in the 1920's by the Fremantle Trading company. This was a fairly large operation employing 160 men, and a small town sprung up to service the mine. They mined a lode from an open cut 60 metres in length and 30 metres wide by 18 metres deep, producing 90 000 tonnes of galena. There was also a shaft to 91 metres below the surface. The mine closed in 1927.

The deposit is on a sinistral west dipping fault in granulite, with much alteration and brecciation in the lodes, and wall rocks. The ore shoot is traversed by branching and looping shears, and tension gashes, with mineralisation following a shear in the granulite and dolerite. Abeysinghe states white to pale honey yellow barite crystals to 1 cm long were found in a vug in the mine.

Mineral List

25 valid minerals.

Rock Types Recorded

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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

Neoproterozoic - Mesoproterozoic
541 - 1600 Ma

ID: 697589
garnet paragneiss 74441

Age: Proterozoic (541 - 1600 Ma)

Description: Garnet paragneiss; Northhampton Block, Pinjarra Orogen

Comments: high grade metamorphic rock; synthesis of multiple published descriptions

Lithology: High grade metamorphic rock

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]

1600 - 2500 Ma

ID: 3192729
Paleoproterozoic crystalline metamorphic rocks

Age: Proterozoic (1600 - 2500 Ma)

Stratigraphic Name: Northampton Complex

Lithology: Crystalline metamorphic 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]

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

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.


Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Ferguson, K.M. (1999) Lead, Zinc and Silver Deposits of Western Australia. Geological Survey of Western Australia, Mineral Resources Bulletin 15.
Heritage Council of Western Australia (1997) Galena Mine, Surprise and South Surprise, Two Boys, Shire of Northampton (11 Jul 1997).
Blockley, J.G. (1971) The lead, zinc and silver deposits of Western Australia. Mineral Resources Bulletin 9, Geological Survey of Western Australia, 234 p.
Abeysinghe, P.B., Fetherston, J.M. (1997) Barite and Fluorite in Western Australia: Western Australia Geological Survey, Mineral Resources Bulletin 17, 97p.

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