|Latitude & Longitude (WGS84):||32° 22' 22'' South , 116° 55' 25'' East|
|Latitude & Longitude (decimal):||-32.37274,116.92365|
|Köppen climate type:||Csa : Hot-summer Mediterranean climate|
Brookton is located 138 km ESE of Perth.
In May 1977, G. Blackburn of Otter Exploration NL sent a specimen to the Western Australian Government Chemical Laboratories from an outcrop in the north-west section of land location 3323, near Brookton. This contained sampleite with quartz and iron oxides in cordierite gneiss of Archaean age. The copper was derived from sulphides and phosphate possibly from biological activity or from the use of superphosphate on the surrounding wheat paddocks. The reference was made as a minor comment about sampleite found in Western Australia, in an article about another location.
2 valid minerals.
Rock Types Recorded
Select Rock List TypeAlphabetical List Tree Diagram
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
2500 - 4000 Ma
|gneiss, granulite, migmatite 74310|
Age: Archean (2500 - 4000 Ma)
Description: Banded granitic gneiss (monzogranitic to granodioritic), quartzofeldspathic gneiss with mafic bands, migmatite, granofels, mafic and felsic granulites, hypersthene-plagioclase-quartz granulite; schist, pelitic or mafic granofels
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). 
|Neoarchean - Mesoarchean|
2500 - 3200 Ma
|Archean crystalline metamorphic rocks|
Age: Archean (2500 - 3200 Ma)
Comments: Yilgarn Craton
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.