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Middalya diamond prospect, Middalya Station, Carnarvon Shire, Western Australia, Australia

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Latitude & Longitude (WGS84): 24° 12' 5'' South , 114° 36' 12'' East
Latitude & Longitude (decimal): -24.20165,114.60347
GeoHash:G#: qe9qrf5xn
Locality type:Prospect
Köppen climate type:BWh : Hot deserts climate

1:250 000 Map sheet: Kennedy Range.

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List

4 valid minerals.

Detailed Mineral List:

Formula: C
Reference: WAMEX Database 2000
Formula: CaMgSi2O6
Reference: WAMEX Database 2000
'Fayalite-Forsterite Series'
Reference: WAMEX Database 2000
Formula: Fe2+TiO3
Reference: WAMEX Database 2000
Ilmenite var: Picroilmenite
Formula: (Fe2+,Mg)TiO3
Reference: WAMEX Database 2000
Formula: Mg3Al2(SiO4)3
Reference: WAMEX Database 2000

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Group 4 - Oxides and Hydroxides
var: Picroilmenite4.CB.05(Fe2+,Mg)TiO3
Group 9 - Silicates
Unclassified Minerals, Rocks, etc.
'Fayalite-Forsterite Series'-

List of minerals arranged by Dana 8th Edition classification

Semi-metals and non-metals
Group 51 - NESOSILICATES Insular SiO4 Groups Only
Insular SiO4 Groups Only with cations in [6] and >[6] coordination
Group 65 - INOSILICATES Single-Width,Unbranched Chains,(W=1)
Single-Width Unbranched Chains, W=1 with chains P=2
Unclassified Minerals, Rocks, etc.
'Fayalite-Forsterite Series'-
var: Picroilmenite

List of minerals for each chemical element

C DiamondC
O DiopsideCaMgSi2O6
O IlmeniteFe2+TiO3
O Ilmenite (var: Picroilmenite)(Fe2+,Mg)TiO3
O PyropeMg3Al2(SiO4)3
Mg DiopsideCaMgSi2O6
Mg Ilmenite (var: Picroilmenite)(Fe2+,Mg)TiO3
Mg PyropeMg3Al2(SiO4)3
Al PyropeMg3Al2(SiO4)3
Si DiopsideCaMgSi2O6
Si PyropeMg3Al2(SiO4)3
Ca DiopsideCaMgSi2O6
Ti IlmeniteFe2+TiO3
Ti Ilmenite (var: Picroilmenite)(Fe2+,Mg)TiO3
Fe IlmeniteFe2+TiO3
Fe Ilmenite (var: Picroilmenite)(Fe2+,Mg)TiO3

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

0 - 2.588 Ma

ID: 694084
colluvium 38491

Age: Pleistocene (0 - 2.588 Ma)

Description: Colluvium and/or residual deposits, sheetwash, talus, scree; boulder, gravel, sand; may include minor alluvial or sand plain deposits, local calcrete and reworked laterite

Comments: regolith; synthesis of multiple published descriptions

Lithology: Regolith

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]

66 - 145 Ma

ID: 3190138
Mesozoic sedimentary rocks

Age: Cretaceous (66 - 145 Ma)

Comments: Carnarvon Basin

Lithology: Conglomerate,siltstone,sandstone,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, used under Creative Commons Attribution 4.0 License


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Western Australian Mineral Exploration Database, released 9/03/84 by CRA Exploration P/L.

This page contains all mineral locality references listed on 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 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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