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Entia Valley, Ambalindum Station, Harts Range (Harts Ranges; Hartz Range; Hartz Ranges), Central Desert Region, Northern Territory, Australiai
Regional Level Types
Entia ValleyValley
Ambalindum Station- not defined -
Harts Range (Harts Ranges; Hartz Range; Hartz Ranges)Mountain Range
Central Desert RegionRegion
Northern TerritoryTerritory
AustraliaCountry

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Latitude & Longitude (WGS84): 23° 18' 18'' South , 135° 16' 25'' East
Latitude & Longitude (decimal): -23.30510,135.27380
GeoHash:G#: r5b5qjrmu
Locality type:Valley
Köppen climate type:BWh : Hot deserts climate


High grade metamorphic Precambrian rocks occur in this area situated to east and southeast of Harts Range Police Station.

There is actually no formally defined "Entia valley" locality. There is a geologic dome called the Entia dome which has a "brain"-like pattern covering around 160 sq kms (see satellite map. This area is located between approximately 134.55°E and 135.25°E and 23.00°S and 23.30°S. The "valley" area immediately to the south of this is what is commonly known as "Entia valley".

It is an area well known amongst collectors for quartz crystals, especially sceptres.

The Entia Valley, or geological Entia Dome, covers much of the eastern Harts Range. Within this are a number of small historic mica mines, and gemstone deposits. Specimens from the area for various reasons are often labelled just 'Entia Valley', rather than the specific deposit, prospect or mine they came from. See Ambalindum Station main heading for access details.

Regions containing this locality

Australian Plate (Australia Plate)Tectonic Plate
Kalkarindji Igneous Province, Northern Territory, AustraliaGeologic Province
Central Australian Element, AustraliaCraton
Arunta Orogen, AustraliaOrogen
Irindina Province, Arunta Orogen, AustraliaGeologic Province

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


13 valid minerals.

Detailed Mineral List:

Albite
Formula: Na(AlSi3O8)
Almandine
Formula: Fe2+3Al2(SiO4)3
'Biotite'
Cordierite
Formula: (Mg,Fe)2Al3(AlSi5O18)
Corundum
Formula: Al2O3
Diaspore
Formula: AlO(OH)
Epidote
Formula: {Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Kyanite
Formula: Al2(SiO4)O
Microcline
Formula: K(AlSi3O8)
Muscovite
Formula: KAl2(AlSi3O10)(OH)2
Quartz
Formula: SiO2
Quartz var: Amethyst
Formula: SiO2
Quartz var: Smoky Quartz
Formula: SiO2
Rutile
Formula: TiO2
Sillimanite
Formula: Al2(SiO4)O
Titanite
Formula: CaTi(SiO4)O

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
Corundum4.CB.05Al2O3
Diaspore4.FD.10AlO(OH)
Quartz4.DA.05SiO2
var: Amethyst4.DA.05SiO2
var: Smoky Quartz4.DA.05SiO2
Rutile4.DB.05TiO2
Group 9 - Silicates
Albite9.FA.35Na(AlSi3O8)
Almandine9.AD.25Fe2+3Al2(SiO4)3
Cordierite9.CJ.10(Mg,Fe)2Al3(AlSi5O18)
Epidote9.BG.05a{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Kyanite9.AF.15Al2(SiO4)O
Microcline9.FA.30K(AlSi3O8)
Muscovite9.EC.15KAl2(AlSi3O10)(OH)2
Sillimanite9.AF.05Al2(SiO4)O
Titanite9.AG.15CaTi(SiO4)O
Unclassified Minerals, Rocks, etc.
'Biotite'-

List of minerals arranged by Dana 8th Edition classification

Group 4 - SIMPLE OXIDES
A2X3
Corundum4.3.1.1Al2O3
AX2
Rutile4.4.1.1TiO2
Group 6 - HYDROXIDES AND OXIDES CONTAINING HYDROXYL
XO(OH)
Diaspore6.1.1.1AlO(OH)
Group 51 - NESOSILICATES Insular SiO4 Groups Only
Insular SiO4 Groups Only with cations in [6] and >[6] coordination
Almandine51.4.3a.2Fe2+3Al2(SiO4)3
Group 52 - NESOSILICATES Insular SiO4 Groups and O,OH,F,H2O
Insular SiO4 Groups and O, OH, F, and H2O with cations in [4] and >[4] coordination
Kyanite52.2.2c.1Al2(SiO4)O
Sillimanite52.2.2a.1Al2(SiO4)O
Insular SiO4 Groups and O, OH, F, and H2O with cations in [6] and/or >[6] coordination
Titanite52.4.3.1CaTi(SiO4)O
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)
Epidote58.2.1a.7{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Group 61 - CYCLOSILICATES Six-Membered Rings
Six-Membered Rings with Al substituted rings
Cordierite61.2.1.1(Mg,Fe)2Al3(AlSi5O18)
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 2:1 layers
Muscovite71.2.2a.1KAl2(AlSi3O10)(OH)2
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Group 76 - TECTOSILICATES Al-Si Framework
Al-Si Framework with Al-Si frameworks
Albite76.1.3.1Na(AlSi3O8)
Microcline76.1.1.5K(AlSi3O8)
Unclassified Minerals, Mixtures, etc.
'Biotite'-
Quartz
var: Amethyst
-SiO2
var: Smoky Quartz-SiO2

List of minerals for each chemical element

HHydrogen
H MuscoviteKAl2(AlSi3O10)(OH)2
H Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
H DiasporeAlO(OH)
OOxygen
O Quartz (var: Amethyst)SiO2
O QuartzSiO2
O Cordierite(Mg,Fe)2Al3(AlSi5O18)
O MuscoviteKAl2(AlSi3O10)(OH)2
O Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
O TitaniteCaTi(SiO4)O
O KyaniteAl2(SiO4)O
O MicroclineK(AlSi3O8)
O AlmandineFe32+Al2(SiO4)3
O Quartz (var: Smoky Quartz)SiO2
O SillimaniteAl2(SiO4)O
O AlbiteNa(AlSi3O8)
O CorundumAl2O3
O DiasporeAlO(OH)
O RutileTiO2
NaSodium
Na AlbiteNa(AlSi3O8)
MgMagnesium
Mg Cordierite(Mg,Fe)2Al3(AlSi5O18)
AlAluminium
Al Cordierite(Mg,Fe)2Al3(AlSi5O18)
Al MuscoviteKAl2(AlSi3O10)(OH)2
Al Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Al KyaniteAl2(SiO4)O
Al MicroclineK(AlSi3O8)
Al AlmandineFe32+Al2(SiO4)3
Al SillimaniteAl2(SiO4)O
Al AlbiteNa(AlSi3O8)
Al CorundumAl2O3
Al DiasporeAlO(OH)
SiSilicon
Si Quartz (var: Amethyst)SiO2
Si QuartzSiO2
Si Cordierite(Mg,Fe)2Al3(AlSi5O18)
Si MuscoviteKAl2(AlSi3O10)(OH)2
Si Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Si TitaniteCaTi(SiO4)O
Si KyaniteAl2(SiO4)O
Si MicroclineK(AlSi3O8)
Si AlmandineFe32+Al2(SiO4)3
Si Quartz (var: Smoky Quartz)SiO2
Si SillimaniteAl2(SiO4)O
Si AlbiteNa(AlSi3O8)
KPotassium
K MuscoviteKAl2(AlSi3O10)(OH)2
K MicroclineK(AlSi3O8)
CaCalcium
Ca Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Ca TitaniteCaTi(SiO4)O
TiTitanium
Ti TitaniteCaTi(SiO4)O
Ti RutileTiO2
FeIron
Fe Cordierite(Mg,Fe)2Al3(AlSi5O18)
Fe Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Fe AlmandineFe32+Al2(SiO4)3

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
McColl, D. (2002) Quartz Scepter Crystals from the Entia Valley, Harts Range, Central Australia. Mineralogical Record, 33(6), 515.


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