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Channar mine, Paraburdoo, Ashburton Shire, Western Australia, Australia

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Latitude & Longitude (WGS84): 23° 18' 15'' South , 117° 47' 52'' East
Latitude & Longitude (decimal): -23.30432,117.79792
GeoHash:G#: qegg2t9f6
Owned/operated by:Rio Tinto Group (60%), Sinosteel Corporation (40%)
Locality type:Mine
Köppen climate type:BWh : Hot deserts climate


Opened in 1990. The Channar mine is actually five mineral deposits known as the Channar Mining Area.

The Brockman Iron Formation hosts the ore bodies and overlies the McRae Shale Formation. Within the Brockman Iron Formation is the Dales Gorge Member composed of an alternating assemblage of seventeen banded iron formations, and sixteen shale micro bands. The Whaleback Shale Member is barren of iron and split into three zones: basal, central and upper shale. The Joffre Member is a 240 metres thick banded iron formation with minor thin shale interbeds, without any regular macro banding.

The deposit outcrops at the surface over a 12 kilometre strike length, and 1 to 2 kilometres wide. The ore bodies are generally flat with limited faulting and mineralisation extends to 150 metres depth. They occupy the crests and southern slopes of the Paraburdoo Range.

The Channar deposits are Channar, Channar East, and 64 East, all low phosphorous Brockman microplaty hematite ore with lesser goethite. Also 84 East and 94 East deposits which are high phosphorous Brockman martite-goethite ores.

The enriched iron ore is martite with an overgrowth of microplaty hematite and bladed hematite hosted by the Dales Gorge Member and Joffre Member. The ore body is cut by two north-west trending dolomite dykes. The eastern edge of the ore body is defined by a north-east trending dolomite dyke, that crosscuts and postdates the high grade iron ore. One hydrothermal alteration transition zone has been identified, being a martite-dolomite-microplaty hematite-rhodochrositechlorite assemblage in the hanging wall.


Mineral List


3 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

Siderian
2300 - 2500 Ma



ID: 808618
Brockman Iron Formation

Age: Siderian (2300 - 2500 Ma)

Stratigraphic Name: Brockman Iron Formation

Description: Banded iron-formation, chert, mudstone and siltstone.

Comments: sedimentary non-carbonate chemical or biochemical; argillaceous detrital sediment; synthesis of multiple published descriptions

Lithology: Sedimentary non-carbonate chemical or biochemical; argillaceous detrital sediment

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]

Siderian - Neoarchean
2300 - 2800 Ma



ID: 3185955
Archean-Paleoproterozoic sedimentary and volcanic rocks

Age: Precambrian (2300 - 2800 Ma)

Stratigraphic Name: Hamersley Group

Comments: Hamersley Basin

Lithology: Strataform assemblage(s); felsic volcanic rocks; chert,carbonate,iron formation,shale

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



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