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Walcha Complex, Walcha, Vernon Co., New South Wales, Australiai
Regional Level Types
Walcha ComplexComplex
WalchaTown
Vernon Co.County
New South WalesState
AustraliaCountry

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PhotosMapsSearch
00868820017272327631079.jpg
Quartz

Walcha Complex, Walcha, Vernon Co., New South Wales, Australia
06886410017272327636082.jpg
Quartz

Walcha Complex, Walcha, Vernon Co., New South Wales, Australia
09975730017272327631748.jpg
Quartz

Walcha Complex, Walcha, Vernon Co., New South Wales, Australia
01536930017272327632341.jpg
Quartz

Walcha Complex, Walcha, Vernon Co., New South Wales, Australia
07305210017272327633722.jpg
Quartz

Walcha Complex, Walcha, Vernon Co., New South Wales, Australia
09975730017272327631748.jpg
Quartz

Walcha Complex, Walcha, Vernon Co., New South Wales, Australia
01536930017272327632341.jpg
Quartz

Walcha Complex, Walcha, Vernon Co., New South Wales, Australia
07686030017272327641572.jpg
Quartz

Walcha Complex, Walcha, Vernon Co., New South Wales, Australia
Latitude & Longitude (WGS84):
30° 57' 17'' South , 151° 34' 59'' East
Latitude & Longitude (decimal):
-30.95489,151.58322
GeoHash:
G#: r67zckgd9
GRN:
S21E93
Area:
4.0 km2
Type:
Complex
Age:
57.1 to 43.1 Ma
Geologic Time:
Paleogene
Dating method:
K-Ar
Reference for age:
Wellman, P., & McDougall, I. (1974). Potassium?argon ages on the Cainozoic volcanic rocks of New South Wales. Journal of the Geological Society of Australia, 21(3), 247-272.
Köppen climate type:
Cfb : Temperate oceanic climate
Mindat Locality ID:
255473
Long-form identifier:
mindat:1:2:255473:3
GUID (UUID V4):
0


Semi-paralell north-south trending dykes of mafic igneous rock exposed over a few square kilometres north of Walcha NSW.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


6 valid minerals.

Rock Types Recorded

Note: 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:

ⓘ Actinolite
Formula: ◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
References:
Matthew Goodwin
ⓘ 'Amphibole Supergroup'
Formula: AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
References:
Matthew Goodwin
ⓘ 'Amphibole Supergroup var. Byssolite'
Formula: AX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
References:
Matthew Goodwin
ⓘ Analcime
Formula: Na(AlSi2O6) · H2O
ⓘ Calcite
Formula: CaCO3
ⓘ 'Clinopyroxene Subgroup'
ⓘ 'Fayalite-Forsterite Series'
ⓘ 'Garnet Group'
Formula: X3Z2(SiO4)3
ⓘ 'Glass'
ⓘ 'Hypersthene'
Formula: (Mg,Fe)SiO3
ⓘ Magnetite
Formula: Fe2+Fe3+2O4
ⓘ Magnetite var. Titanium-bearing Magnetite
Formula: Fe2+(Fe3+,Ti)2O4
ⓘ Nepheline
Formula: Na3K(Al4Si4O16)
ⓘ 'Plagioclase'
Formula: (Na,Ca)[(Si,Al)AlSi2]O8
ⓘ Quartz
Formula: SiO2
References:
Matthew Goodwin
ⓘ 'Tiger's Eye'
References:
Matthew Goodwin

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
ⓘMagnetite4.BB.05Fe2+Fe3+2O4
ⓘvar. Titanium-bearing Magnetite4.BB.05Fe2+(Fe3+,Ti)2O4
ⓘQuartz4.DA.05SiO2
Group 5 - Nitrates and Carbonates
ⓘCalcite5.AB.05CaCO3
Group 9 - Silicates
ⓘActinolite9.DE.10◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
ⓘNepheline9.FA.05Na3K(Al4Si4O16)
ⓘAnalcime9.GB.05Na(AlSi2O6) · H2O
Unclassified
ⓘ'Amphibole Supergroup'-AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
ⓘ'Hypersthene'-(Mg,Fe)SiO3
ⓘ'Tiger's Eye'-
ⓘ'Clinopyroxene Subgroup'-
ⓘ'Fayalite-Forsterite Series'-
ⓘ'Plagioclase'-(Na,Ca)[(Si,Al)AlSi2]O8
ⓘ'Garnet Group'-X3Z2(SiO4)3
ⓘ'Amphibole Supergroup
var. Byssolite'		-AX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
ⓘ'Glass'-

List of minerals for each chemical element

HHydrogen
Hⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Hⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Hⓘ AnalcimeNa(AlSi2O6) · H2O
Hⓘ Amphibole Supergroup var. ByssoliteAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
CCarbon
Cⓘ CalciteCaCO3
OOxygen
Oⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Oⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Oⓘ AnalcimeNa(AlSi2O6) · H2O
Oⓘ CalciteCaCO3
Oⓘ Hypersthene(Mg,Fe)SiO3
Oⓘ MagnetiteFe2+Fe23+O4
Oⓘ NephelineNa3K(Al4Si4O16)
Oⓘ QuartzSiO2
Oⓘ Magnetite var. Titanium-bearing MagnetiteFe2+(Fe3+,Ti)2O4
Oⓘ Fayalite-Forsterite Series
Oⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Oⓘ Garnet GroupX3Z2(SiO4)3
Oⓘ Amphibole Supergroup var. ByssoliteAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
FFluorine
Fⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Fⓘ Amphibole Supergroup var. ByssoliteAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
NaSodium
Naⓘ AnalcimeNa(AlSi2O6) · H2O
Naⓘ NephelineNa3K(Al4Si4O16)
Naⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
MgMagnesium
Mgⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Mgⓘ Hypersthene(Mg,Fe)SiO3
Mgⓘ Fayalite-Forsterite Series
AlAluminium
Alⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Alⓘ AnalcimeNa(AlSi2O6) · H2O
Alⓘ NephelineNa3K(Al4Si4O16)
Alⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Alⓘ Amphibole Supergroup var. ByssoliteAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
SiSilicon
Siⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Siⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Siⓘ AnalcimeNa(AlSi2O6) · H2O
Siⓘ Hypersthene(Mg,Fe)SiO3
Siⓘ NephelineNa3K(Al4Si4O16)
Siⓘ QuartzSiO2
Siⓘ Fayalite-Forsterite Series
Siⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Siⓘ Garnet GroupX3Z2(SiO4)3
Siⓘ Amphibole Supergroup var. ByssoliteAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
ClChlorine
Clⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Clⓘ Amphibole Supergroup var. ByssoliteAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
KPotassium
Kⓘ NephelineNa3K(Al4Si4O16)
CaCalcium
Caⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Caⓘ CalciteCaCO3
Caⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
TiTitanium
Tiⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Tiⓘ Magnetite var. Titanium-bearing MagnetiteFe2+(Fe3+,Ti)2O4
Tiⓘ Amphibole Supergroup var. ByssoliteAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
FeIron
Feⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Feⓘ Hypersthene(Mg,Fe)SiO3
Feⓘ MagnetiteFe2+Fe23+O4
Feⓘ Magnetite var. Titanium-bearing MagnetiteFe2+(Fe3+,Ti)2O4
Feⓘ Fayalite-Forsterite Series

Other Regions, Features and Areas containing this locality

Australia
Australian PlateTectonic Plate

This page contains all mineral locality references listed on mindat.org. 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 mindat.org 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.

References

Duggan, M.B. 1989. Walcha.
www.resources.nsw.gov.au (n.d.) http://www.resources.nsw.gov.au/geological/geological-maps/1-250-001/dorrigo-coffs-harbour-250k-geological-map
Binns, R. A., Duggan, M. B., & Wilkinson, J. F. G. (1970). High pressure megacrysts in alkaline lavas from northeastern New South Wales. American Journal of Science, 269(2), 132-168.
Ellenor, D., Matthias, I.G., Lowe, S., Randell, M. (1971) Geological report on M.E.L.A. 616, Armidale, Uralla and Walcha Districts. Quarterly Report Period Ending 3.2.71 for Nickel Mines Limited. New South Wales Geological Survey Report GS1971/078.
Wellman, Peter, McDougall, Ian (1974) Potassium‐argon ages on the Cainozoic volcanic rocks of New South Wales. Journal of the Geological Society of Australia, 21 (3) 247-272 doi:10.1080/00167617408728849
Stolz, A. J. (1984) Garnet websterites and associated ultramafic inclusions from a nepheline mugearite in the Walcha area, New South Wales, Australia. Mineralogical Magazine, 48 (347) 167-179 doi:10.1180/minmag.1984.048.347.02
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