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Big Spring, Fitzroy Crossing, Derby-West Kimberley Shire, Western Australia, Australia

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Latitude & Longitude (WGS84): 16° 59' 59'' South , 125° 47' 43'' East
Latitude & Longitude (decimal): -16.99990,125.79541
GeoHash:G#: qucrq932m
Locality type:Spring
Köppen climate type:Aw : Tropical savanna, wet


Big Spring is part of the Leopold Downs Station in the west Kimberley.
In the mid 1970s, CRA Exploration Pty Ltd as part of the Ashton Joint Venture, explored extensively across the vast and rugged Kimberley region for diamonds. Near Big Spring, the first diamondiferous olivine lamproite plug was recognised in the region. See Argyle and Ellendale for more information.

There are five olivine lamproite pipes. Bulk sampling of two of these recovered 30 microdiamonds totalling 0.37 ct, together with indicator minerals chromite, pyrope, and chrome diopside.

The site needs confirmation. There is a Big Spring along the southern escarpment to the east of the present co-ordinates, or it could be named after Big Spring Creek which is closer to the Leopold Downs Homestead roughly 50 kilometres to the south.

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


7 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:

'Albite-Anorthite Series'
Reference: The Kimberlites and Lamproites of Western Australia, 1986.
Baryte
Formula: BaSO4
Reference: The Kimberlites and Lamproites of Western Australia, 1986.
'Biotite'
Reference: The Kimberlites and Lamproites of Western Australia, 1986.
Chromite
Formula: Fe2+Cr3+2O4
Reference: Fetherston, J, Stocklmayer, S, Stocklmayer, V(2013): Gemstones of WA, Geological Survey of WA
Diamond
Formula: C
Reference: The Kimberlites and Lamproites of Western Australia, 1986.
Diopside
Formula: CaMgSi2O6
Reference: Fetherston, J, Stocklmayer, S, Stocklmayer, V(2013): Gemstones of WA, Geological Survey of WA
Diopside var: Chromian Diopside
Formula: Ca(Mg,Cr)Si2O6
Reference: Fetherston, J, Stocklmayer, S, Stocklmayer, V(2013): Gemstones of WA, Geological Survey of WA
'Fayalite-Forsterite Series'
Reference: The Kimberlites and Lamproites of Western Australia, 1986.
'Lamproite'
Reference: Jaques et al.(1986): The Kimberlites and Lamproites of Western Australia, Geological Survey of Western Australia
Perovskite
Formula: CaTiO3
Reference: The Kimberlites and Lamproites of Western Australia, 1986.
Phlogopite
Formula: KMg3(AlSi3O10)(OH)2
Reference: The Kimberlites and Lamproites of Western Australia, 1986.
Pyrope
Formula: Mg3Al2(SiO4)3
Reference: Fetherston, J, Stocklmayer, S, Stocklmayer, V(2013): Gemstones of WA, Geological Survey of WA

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Diamond1.CB.10aC
Group 4 - Oxides and Hydroxides
Chromite4.BB.05Fe2+Cr3+2O4
Perovskite4.CC.30CaTiO3
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
'Baryte'7.AD.35BaSO4
Group 9 - Silicates
Diopside9.DA.15CaMgSi2O6
var: Chromian Diopside9.DA.15Ca(Mg,Cr)Si2O6
Phlogopite9.EC.20KMg3(AlSi3O10)(OH)2
Pyrope9.AD.25Mg3Al2(SiO4)3
Unclassified Minerals, Rocks, etc.
'Albite-Anorthite Series'-
'Biotite'-
Fayalite-Forsterite Series-
Lamproite-

List of minerals arranged by Dana 8th Edition classification

Group 1 - NATIVE ELEMENTS AND ALLOYS
Semi-metals and non-metals
Diamond1.3.6.1C
Group 4 - SIMPLE OXIDES
A2X3
Perovskite4.3.3.1CaTiO3
Group 7 - MULTIPLE OXIDES
AB2X4
Chromite7.2.3.3Fe2+Cr3+2O4
Group 28 - ANHYDROUS ACID AND NORMAL SULFATES
AXO4
Baryte28.3.1.1BaSO4
Group 51 - NESOSILICATES Insular SiO4 Groups Only
Insular SiO4 Groups Only with cations in [6] and >[6] coordination
Pyrope51.4.3a.1Mg3Al2(SiO4)3
Group 65 - INOSILICATES Single-Width,Unbranched Chains,(W=1)
Single-Width Unbranched Chains, W=1 with chains P=2
Diopside65.1.3a.1CaMgSi2O6
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 2:1 layers
Phlogopite71.2.2b.1KMg3(AlSi3O10)(OH)2
Unclassified Minerals, Rocks, etc.
'Albite-Anorthite Series'-
'Biotite'-
Diopside
var: Chromian Diopside
-Ca(Mg,Cr)Si2O6
'Fayalite-Forsterite Series'-
'Lamproite'-

List of minerals for each chemical element

HHydrogen
H PhlogopiteKMg3(AlSi3O10)(OH)2
CCarbon
C DiamondC
OOxygen
O BaryteBaSO4
O Diopside (var: Chromian Diopside)Ca(Mg,Cr)Si2O6
O ChromiteFe2+Cr23+O4
O DiopsideCaMgSi2O6
O PerovskiteCaTiO3
O PhlogopiteKMg3(AlSi3O10)(OH)2
O PyropeMg3Al2(SiO4)3
MgMagnesium
Mg Diopside (var: Chromian Diopside)Ca(Mg,Cr)Si2O6
Mg DiopsideCaMgSi2O6
Mg PhlogopiteKMg3(AlSi3O10)(OH)2
Mg PyropeMg3Al2(SiO4)3
AlAluminium
Al PhlogopiteKMg3(AlSi3O10)(OH)2
Al PyropeMg3Al2(SiO4)3
SiSilicon
Si Diopside (var: Chromian Diopside)Ca(Mg,Cr)Si2O6
Si DiopsideCaMgSi2O6
Si PhlogopiteKMg3(AlSi3O10)(OH)2
Si PyropeMg3Al2(SiO4)3
SSulfur
S BaryteBaSO4
KPotassium
K PhlogopiteKMg3(AlSi3O10)(OH)2
CaCalcium
Ca Diopside (var: Chromian Diopside)Ca(Mg,Cr)Si2O6
Ca DiopsideCaMgSi2O6
Ca PerovskiteCaTiO3
TiTitanium
Ti PerovskiteCaTiO3
CrChromium
Cr Diopside (var: Chromian Diopside)Ca(Mg,Cr)Si2O6
Cr ChromiteFe2+Cr23+O4
FeIron
Fe ChromiteFe2+Cr23+O4
BaBarium
Ba BaryteBaSO4

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

Statherian - Paleoproterozoic
1600 - 2500 Ma



ID: 3184930
Paleoproterozoic sedimentary and volcanic rocks

Age: Proterozoic (1600 - 2500 Ma)

Stratigraphic Name: Carson Volcanics

Comments: Kimberley Basin

Lithology: Mafic volcanic rocks; basalt; sandstone

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]

Paleoproterozoic
1600 - 2500 Ma



ID: 920607
Carson Volcanics

Age: Proterozoic (1600 - 2500 Ma)

Stratigraphic Name: Carson Volcanics

Description: Green to black quartz basalt, in places amygdaloidal and with basaltic volcaniclastic rocks, interbedded massive feldspathic or argillaceous quartz sandstone, laminated siltstone and mudstone

Comments: igneous mafic volcanic; igneous volcanic; synthesis of multiple published descriptions

Lithology: Igneous mafic volcanic; igneous volcanic

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)
Jaques et al.(1986): The Kimberlites and Lamproites of Western Australia, Geological Survey of Western Australia (1986)
Fetherston, J.M., Stocklmayer, S., Stocklmayer, V.C.(2013): Gemstones of Western Australia- mineral resources bulletin 25, Geological Survey of Western Australia (2013): 29


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