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Ellendale 4, Ellendale, Derby-West Kimberley Shire, Western Australia, Australiai
Regional Level Types
Ellendale 4- not defined -
Ellendale- not defined -
Derby-West Kimberley ShireShire
Western AustraliaState
AustraliaCountry

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Key
Lock Map
Latitude & Longitude (WGS84): 17° 40' 21'' South , 124° 55' 5'' East
Latitude & Longitude (decimal): -17.67262,124.91815
GeoHash:G#: qubg6wf9e
Köppen climate type:BSh : Hot semi-arid (steppe) climate


Discovered in 1976, at 40.7 Mt at 7ct.ht resource, with an additional 17.8 Mt at 5.7 ct/ht in a satellite body. It is a concealed 76 Ha lamproite intrusion, with a smaller 11 Ha intrusion east of the main pipe. Around 65% of the diamonds are yellow, with the remainder brown, colourless and grey. The intrusion is complex, consisting of two coalescing eruptive centres, each with an olivine lamproite core and a diamondiferous pyroclastic marginal zone. The mine closed in 2010.

The deposit is a large complex diamoniferous olivine lamproite pipes, 76 ha in area, with an east and west lobe, formed by three small vents. The initial explosion deposited quartose tuffs, then sandy lapilli tuff, and tuff breccia. This was finally followed by lamproite lapilli tuff of olivine lamproite and lamproite ash.

The vents erupted sequentially, then coalesced in its final stage, forming one large lava lake.

The olivine lamproite core has a glassy basal layer up to 50 metres thick, consisting 30-40% olivine lamproite, deformed olivine macrocrysts and small euhedral phenocrysts, in a fine groundmass of diopside, with minor phlogopite, perovskite, chromite, and apatite. The central portion shows poikilitic phlogopite flakes, interstitial with potassic richterite, and rare altered leucite and wadeite.

Regions containing this locality

Australian Plate (Australia Plate)Tectonic Plate
North Australian Element, AustraliaCraton
Kalkarindji Igneous Province, Northern Territory, AustraliaGeologic Province
Canning Basin, Western Australia, AustraliaBasin
King Leopold Orogen, Western Australia, AustraliaOrogen
Hooper Province, King Leopold Orogen, Western Australia, AustraliaGeologic Province
Oscar Range Province, Western Australia, AustraliaGeologic Province

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


11 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:

'Apatite'
Reference: The Kimberlites and Lamproites of Western Australia, 1986.
'Chlorite Group'
Reference: The Kimberlites and Lamproites of Western Australia, 1986.
Chromite
Formula: Fe2+Cr3+2O4
Reference: The Kimberlites and Lamproites of Western Australia, 1986.
Diamond
Formula: C
Reference: The Kimberlites and Lamproites of Western Australia, 1986.
Diopside
Formula: CaMgSi2O6
Reference: The Kimberlites and Lamproites of Western Australia, 1986.
'Fayalite-Forsterite Series'
Reference: The Kimberlites and Lamproites of Western Australia, 1986.
'Garnet Group'
Formula: X3Z2(SiO4)3
Reference: The Kimberlites and Lamproites of Western Australia, 1986.
Leucite
Formula: K(AlSi2O6)
Reference: Jaques et al.(1986): The Kimberlites and Lamproites of Western Australia, Geological Survey of Western Australia (1986)
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.
Richterite
Formula: {Na}{NaCa}{Mg5}(Si8O22)(OH)2
Reference: Dept of Mines WA (1990), Geology and Mineral Resources of WA, GSWA, State Government of WA, 1990
Rutile
Formula: TiO2
Reference: The Kimberlites and Lamproites of Western Australia, 1986.
Vesuvianite
Formula: (Ca,Na,☐)19(Al,Mg,Fe3+)13(☐,B,Al,Fe3+)5(Si2O7)4(SiO4)10(OH,F,O)10
Reference: The Kimberlites and Lamproites of Western Australia, 1986.
Wadeite
Formula: K2Zr(Si3O9)
Reference: Dept of Mines WA (1990), Geology and Mineral Resources of WA, GSWA, State Government of WA, 1990
Zircon
Formula: Zr(SiO4)
Reference: The Kimberlites and Lamproites of Western Australia, 1986.

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
Rutile4.DB.05TiO2
Group 9 - Silicates
Diopside9.DA.15CaMgSi2O6
Leucite9.GB.05K(AlSi2O6)
Phlogopite9.EC.20KMg3(AlSi3O10)(OH)2
Richterite9.DE.20{Na}{NaCa}{Mg5}(Si8O22)(OH)2
Vesuvianite9.BG.35(Ca,Na,☐)19(Al,Mg,Fe3+)13(☐,B,Al,Fe3+)5(Si2O7)4(SiO4)10(OH,F,O)10
Wadeite9.CA.10K2Zr(Si3O9)
Zircon9.AD.30Zr(SiO4)
Unclassified Minerals, Rocks, etc.
'Apatite'-
'Chlorite Group'-
'Fayalite-Forsterite Series'-
'Garnet Group'-X3Z2(SiO4)3

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
AX2
Rutile4.4.1.1TiO2
Group 7 - MULTIPLE OXIDES
AB2X4
Chromite7.2.3.3Fe2+Cr3+2O4
Group 51 - NESOSILICATES Insular SiO4 Groups Only
Insular SiO4 Groups Only with cations in >[6] coordination
Zircon51.5.2.1Zr(SiO4)
Group 58 - SOROSILICATES Insular, Mixed, Single, and Larger Tetrahedral Groups
Insular, Mixed, Single, and Larger Tetrahedral Groups with cations in [6] and higher coordination; single and double groups (n = 1, 2)
Vesuvianite58.2.4.1(Ca,Na,☐)19(Al,Mg,Fe3+)13(☐,B,Al,Fe3+)5(Si2O7)4(SiO4)10(OH,F,O)10
Group 59 - CYCLOSILICATES Three-Membered Rings
Three-Membered Rings, anhydrous, no other anions
Wadeite59.1.1.4K2Zr(Si3O9)
Group 65 - INOSILICATES Single-Width,Unbranched Chains,(W=1)
Single-Width Unbranched Chains, W=1 with chains P=2
Diopside65.1.3a.1CaMgSi2O6
Group 66 - INOSILICATES Double-Width,Unbranched Chains,(W=2)
Amphiboles - Mg-Fe-Mn-Li subgroup
Richterite66.1.3b.9{Na}{NaCa}{Mg5}(Si8O22)(OH)2
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 2:1 layers
Phlogopite71.2.2b.1KMg3(AlSi3O10)(OH)2
Group 76 - TECTOSILICATES Al-Si Framework
Al-Si Framework Feldspathoids and related species
Leucite76.2.2.1K(AlSi2O6)
Unclassified Minerals, Mixtures, etc.
'Apatite'-
'Chlorite Group'-
'Fayalite-Forsterite Series'-
'Garnet Group'-X3Z2(SiO4)3

List of minerals for each chemical element

HHydrogen
H PhlogopiteKMg3(AlSi3O10)(OH)2
H Vesuvianite(Ca,Na,☐)19(Al,Mg,Fe3+)13(☐,B,Al,Fe3+)5(Si2O7)4(SiO4)10(OH,F,O)10
H Richterite{Na}{NaCa}{Mg5}(Si8O22)(OH)2
BBoron
B Vesuvianite(Ca,Na,☐)19(Al,Mg,Fe3+)13(☐,B,Al,Fe3+)5(Si2O7)4(SiO4)10(OH,F,O)10
CCarbon
C DiamondC
OOxygen
O PhlogopiteKMg3(AlSi3O10)(OH)2
O Garnet GroupX3Z2(SiO4)3
O ZirconZr(SiO4)
O RutileTiO2
O PerovskiteCaTiO3
O ChromiteFe2+Cr23+O4
O Vesuvianite(Ca,Na,☐)19(Al,Mg,Fe3+)13(☐,B,Al,Fe3+)5(Si2O7)4(SiO4)10(OH,F,O)10
O DiopsideCaMgSi2O6
O WadeiteK2Zr(Si3O9)
O Richterite{Na}{NaCa}{Mg5}(Si8O22)(OH)2
O LeuciteK(AlSi2O6)
FFluorine
F Vesuvianite(Ca,Na,☐)19(Al,Mg,Fe3+)13(☐,B,Al,Fe3+)5(Si2O7)4(SiO4)10(OH,F,O)10
NaSodium
Na Vesuvianite(Ca,Na,☐)19(Al,Mg,Fe3+)13(☐,B,Al,Fe3+)5(Si2O7)4(SiO4)10(OH,F,O)10
Na Richterite{Na}{NaCa}{Mg5}(Si8O22)(OH)2
MgMagnesium
Mg PhlogopiteKMg3(AlSi3O10)(OH)2
Mg Vesuvianite(Ca,Na,☐)19(Al,Mg,Fe3+)13(☐,B,Al,Fe3+)5(Si2O7)4(SiO4)10(OH,F,O)10
Mg DiopsideCaMgSi2O6
Mg Richterite{Na}{NaCa}{Mg5}(Si8O22)(OH)2
AlAluminium
Al PhlogopiteKMg3(AlSi3O10)(OH)2
Al Vesuvianite(Ca,Na,☐)19(Al,Mg,Fe3+)13(☐,B,Al,Fe3+)5(Si2O7)4(SiO4)10(OH,F,O)10
Al LeuciteK(AlSi2O6)
SiSilicon
Si PhlogopiteKMg3(AlSi3O10)(OH)2
Si Garnet GroupX3Z2(SiO4)3
Si ZirconZr(SiO4)
Si Vesuvianite(Ca,Na,☐)19(Al,Mg,Fe3+)13(☐,B,Al,Fe3+)5(Si2O7)4(SiO4)10(OH,F,O)10
Si DiopsideCaMgSi2O6
Si WadeiteK2Zr(Si3O9)
Si Richterite{Na}{NaCa}{Mg5}(Si8O22)(OH)2
Si LeuciteK(AlSi2O6)
KPotassium
K PhlogopiteKMg3(AlSi3O10)(OH)2
K WadeiteK2Zr(Si3O9)
K LeuciteK(AlSi2O6)
CaCalcium
Ca PerovskiteCaTiO3
Ca Vesuvianite(Ca,Na,☐)19(Al,Mg,Fe3+)13(☐,B,Al,Fe3+)5(Si2O7)4(SiO4)10(OH,F,O)10
Ca DiopsideCaMgSi2O6
Ca Richterite{Na}{NaCa}{Mg5}(Si8O22)(OH)2
TiTitanium
Ti RutileTiO2
Ti PerovskiteCaTiO3
CrChromium
Cr ChromiteFe2+Cr23+O4
FeIron
Fe ChromiteFe2+Cr23+O4
Fe Vesuvianite(Ca,Na,☐)19(Al,Mg,Fe3+)13(☐,B,Al,Fe3+)5(Si2O7)4(SiO4)10(OH,F,O)10
ZrZirconium
Zr ZirconZr(SiO4)
Zr WadeiteK2Zr(Si3O9)

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

Quaternary - Cenozoic
0 - 66 Ma



ID: 695465
dunes 38496

Age: Cenozoic (0 - 66 Ma)

Description: Dunes, sandplain with dunes and swales; may include numerous interdune claypans; may be locally gypsiferous

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]

Permian
251.902 - 298.9 Ma



ID: 3186259
Paleozoic sedimentary rocks

Age: Phanerozoic (251.902 - 298.9 Ma)

Comments: Canning Basin

Lithology: Shale,sandstone,limestone,siltstone

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

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): 28
Department of Mines Western Australia (1990), Geology and Mineral Resources of Western Australia, Geological Survey of Western Australia, Department of Mines Western Australia, State Government of Western Australia, 1990


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