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Mount Shadwell, Mortlake, Moyne Shire, Victoria, Australiai
Regional Level Types
Mount ShadwellMountain
Mortlake- not defined -
Moyne ShireShire
VictoriaState
AustraliaCountry

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Key
Lock Map
Latitude & Longitude (WGS84): 38° 3' 4'' South , 142° 49' 0'' East
Latitude & Longitude (decimal): -38.05111,142.81667
GeoHash:G#: r1jx9c5bj
Locality type:Mountain
Köppen climate type:Cfb : Temperate oceanic climate
Nearest Settlements:
PlacePopulationDistance
Allansford1,413 (2013)42.0km
Warrnambool33,982 (2013)46.6km


Active basalt quarry at base of eastern flank of the volcano.
Known for fine olivine bombs and large anorthoclase xenocrysts.
Fumaroles and quartz-rich xenoliths also occur, but are rare.
The mineralogy has not been studied in detail yet, but mineralogical work is underway (B. Birch & U. Kolitsch).


Mt Shadwell Quarry is located in Ararat Road, MORTLAKE.

Regions containing this locality

Australian Plate (Australia Plate)Tectonic Plate
Delamerian Orogen, AustraliaOrogen
Lachlan Orogen, AustraliaOrogen

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


15 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:

Aegirine-augite
Formula: (NaaCabFe2+cMgd)(Fe3+eAlfFe2+gMgh)Si2O6
Reference: Birch, W. D., Wood, A., White, A. J. R., Mills, S. J. and Freeman, R. (2008): Aegirine-augite crystals in scoria from Mt Shadwell and Mt Anakie, Victoria, Australia. Australian Journal of Mineralogy 14, 37-45.
'Anorthoclase'
Formula: (Na,K)AlSi3O8
Reference: Museum Victoria collection
Aragonite
Formula: CaCO3
Reference: Birch, W. D., Wood, A., White, A. J. R., Mills, S. J. and Freeman, R. (2008): Aegirine-augite crystals in scoria from Mt Shadwell and Mt Anakie, Victoria, Australia. Australian Journal of Mineralogy 14, 37-42.
Calcite
Formula: CaCO3
Description: Typical as white to off-white or yellowish globules.
Reference: Pers Comm. Collected by J. Chivers. (In personal collection of J.Chivers & M.Willoughby.); Uwe Kolitsch (PXRD); Birch, W. D., Wood, A., White, A. J. R., Mills, S. J. and Freeman, R. (2008): Aegirine-augite crystals in scoria from Mt Shadwell and Mt Anakie, Victoria, Australia. Australian Journal of Mineralogy 14, 37-42.
Cristobalite
Formula: SiO2
Reference: Birch, W. D., Wood, A., White, A. J. R., Mills, S. J. and Freeman, R. (2008): Aegirine-augite crystals in scoria from Mt Shadwell and Mt Anakie, Victoria, Australia. Australian Journal of Mineralogy 14, 37-42.
Diopside
Formula: CaMgSi2O6
Reference: Irving, A.J. 1980. American Jnl of Science v280.A pp389-426
Diopside var: Chromian Diopside
Formula: Ca(Mg,Cr)Si2O6
Reference: Irving, A.J. 1980. American Jnl of Science v280.A pp389-426
'Fayalite-Forsterite Series'
Reference: Museum Victoria collection
Forsterite
Formula: Mg2SiO4
Reference: Irving, A.J. 1980. American Jnl of Science v280.A pp389-426
'Glass'
Reference: Birch, W. D., Wood, A., White, A. J. R., Mills, S. J. and Freeman, R. (2008): Aegirine-augite crystals in scoria from Mt Shadwell and Mt Anakie, Victoria, Australia. Australian Journal of Mineralogy 14, 37-42.
Hematite
Formula: Fe2O3
Reference: Judy Rowe Collection
Ilmenite
Formula: Fe2+TiO3
Reference: Museum Victoria Mineralogy Collection
Lechatelierite ?
Formula: SiO2
Reference: Judy Rowe collection
Magnetite
Formula: Fe2+Fe3+2O4
Reference: Birch, W. D., Wood, A., White, A. J. R., Mills, S. J. and Freeman, R. (2008): Aegirine-augite crystals in scoria from Mt Shadwell and Mt Anakie, Victoria, Australia. Australian Journal of Mineralogy 14, 37-42.
Nepheline
Formula: Na3K(Al4Si4O16)
Reference: U. Kolitsch (SXRD); Birch, W. D., Wood, A., White, A. J. R., Mills, S. J. and Freeman, R. (2008): Aegirine-augite crystals in scoria from Mt Shadwell and Mt Anakie, Victoria, Australia. Australian Journal of Mineralogy 14, 37-42.
Pseudobrookite
Formula: Fe2TiO5
Reference: U. Kolitsch (SXRD); Birch, W. D., Wood, A., White, A. J. R., Mills, S. J. and Freeman, R. (2008): Aegirine-augite crystals in scoria from Mt Shadwell and Mt Anakie, Victoria, Australia. Australian Journal of Mineralogy 14, 37-42.
Quartz
Formula: SiO2
Reference: Birch, W. D., Wood, A., White, A. J. R., Mills, S. J. and Freeman, R. (2008): Aegirine-augite crystals in scoria from Mt Shadwell and Mt Anakie, Victoria, Australia. Australian Journal of Mineralogy 14, 37-45.
Spinel
Formula: MgAl2O4
Reference: Irving, A.J. 1980. American Jnl of Science v280.A pp389-426
Tridymite
Formula: SiO2
Reference: Birch, W. D., Wood, A., White, A. J. R., Mills, S. J. and Freeman, R. (2008): Aegirine-augite crystals in scoria from Mt Shadwell and Mt Anakie, Victoria, Australia. Australian Journal of Mineralogy 14, 37-42.

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
Cristobalite4.DA.15SiO2
Hematite4.CB.05Fe2O3
Ilmenite4.CB.05Fe2+TiO3
Lechatelierite ?4.DA.30SiO2
Magnetite4.BB.05Fe2+Fe3+2O4
Pseudobrookite4.CB.15Fe2TiO5
Quartz4.DA.05SiO2
Spinel4.BB.05MgAl2O4
Tridymite4.DA.10SiO2
Group 5 - Nitrates and Carbonates
Aragonite5.AB.15CaCO3
Calcite5.AB.05CaCO3
Group 9 - Silicates
Aegirine-augite9.DA.20(NaaCabFe2+cMgd)(Fe3+eAlfFe2+gMgh)Si2O6
'Anorthoclase'9.FA.30(Na,K)AlSi3O8
Diopside9.DA.15CaMgSi2O6
var: Chromian Diopside9.DA.15Ca(Mg,Cr)Si2O6
Forsterite9.AC.05Mg2SiO4
Nepheline9.FA.05Na3K(Al4Si4O16)
Unclassified Minerals, Rocks, etc.
'Fayalite-Forsterite Series'-
'Glass'-

List of minerals arranged by Dana 8th Edition classification

Group 4 - SIMPLE OXIDES
A2X3
Hematite4.3.1.2Fe2O3
Ilmenite4.3.5.1Fe2+TiO3
Group 7 - MULTIPLE OXIDES
AB2X4
Magnetite7.2.2.3Fe2+Fe3+2O4
Spinel7.2.1.1MgAl2O4
AB2X5
Pseudobrookite7.7.1.1Fe2TiO5
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3
Group 51 - NESOSILICATES Insular SiO4 Groups Only
Insular SiO4 Groups Only with all cations in octahedral [6] coordination
Forsterite51.3.1.2Mg2SiO4
Group 65 - INOSILICATES Single-Width,Unbranched Chains,(W=1)
Single-Width Unbranched Chains, W=1 with chains P=2
Aegirine-augite65.1.3b.2(NaaCabFe2+cMgd)(Fe3+eAlfFe2+gMgh)Si2O6
Diopside65.1.3a.1CaMgSi2O6
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Cristobalite75.1.1.1SiO2
Quartz75.1.3.1SiO2
Tridymite75.1.2.1SiO2
Group 76 - TECTOSILICATES Al-Si Framework
Al-Si Framework with Al-Si frameworks
'Anorthoclase'76.1.1.6(Na,K)AlSi3O8
Al-Si Framework Feldspathoids and related species
Nepheline76.2.1.2Na3K(Al4Si4O16)
Unclassified Minerals, Mixtures, etc.
Aragonite-CaCO3
Diopside
var: Chromian Diopside
-Ca(Mg,Cr)Si2O6
'Fayalite-Forsterite Series'-
'Glass'-
Lechatelierite ?-SiO2

List of minerals for each chemical element

CCarbon
C AragoniteCaCO3
C CalciteCaCO3
OOxygen
O AragoniteCaCO3
O CristobaliteSiO2
O NephelineNa3K(Al4Si4O16)
O TridymiteSiO2
O Aegirine-augite(NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6
O PseudobrookiteFe2TiO5
O ForsteriteMg2SiO4
O Diopside (var: Chromian Diopside)Ca(Mg,Cr)Si2O6
O MagnetiteFe2+Fe23+O4
O SpinelMgAl2O4
O Anorthoclase(Na,K)AlSi3O8
O CalciteCaCO3
O IlmeniteFe2+TiO3
O HematiteFe2O3
O QuartzSiO2
O DiopsideCaMgSi2O6
O LechatelieriteSiO2
NaSodium
Na NephelineNa3K(Al4Si4O16)
Na Aegirine-augite(NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6
Na Anorthoclase(Na,K)AlSi3O8
MgMagnesium
Mg Aegirine-augite(NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6
Mg ForsteriteMg2SiO4
Mg Diopside (var: Chromian Diopside)Ca(Mg,Cr)Si2O6
Mg SpinelMgAl2O4
Mg DiopsideCaMgSi2O6
AlAluminium
Al NephelineNa3K(Al4Si4O16)
Al Aegirine-augite(NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6
Al SpinelMgAl2O4
Al Anorthoclase(Na,K)AlSi3O8
SiSilicon
Si CristobaliteSiO2
Si NephelineNa3K(Al4Si4O16)
Si TridymiteSiO2
Si Aegirine-augite(NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6
Si ForsteriteMg2SiO4
Si Diopside (var: Chromian Diopside)Ca(Mg,Cr)Si2O6
Si Anorthoclase(Na,K)AlSi3O8
Si QuartzSiO2
Si DiopsideCaMgSi2O6
Si LechatelieriteSiO2
KPotassium
K NephelineNa3K(Al4Si4O16)
K Anorthoclase(Na,K)AlSi3O8
CaCalcium
Ca AragoniteCaCO3
Ca Aegirine-augite(NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6
Ca Diopside (var: Chromian Diopside)Ca(Mg,Cr)Si2O6
Ca CalciteCaCO3
Ca DiopsideCaMgSi2O6
TiTitanium
Ti PseudobrookiteFe2TiO5
Ti IlmeniteFe2+TiO3
CrChromium
Cr Diopside (var: Chromian Diopside)Ca(Mg,Cr)Si2O6
FeIron
Fe Aegirine-augite(NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6
Fe PseudobrookiteFe2TiO5
Fe MagnetiteFe2+Fe23+O4
Fe IlmeniteFe2+TiO3
Fe HematiteFe2O3

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
0 - 2.588 Ma



ID: 3186595
Cenozoic volcanic rocks

Age: Pleistocene (0 - 2.588 Ma)

Comments: East Australia Cainozoic Volcanic Belt

Lithology: Mafic volcanic rocks; basalt

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]

Holocene - Miocene
0 - 23.03 Ma



ID: 704630
Newer Volcanic Group

Age: Cenozoic (0 - 23.03 Ma)

Stratigraphic Name: Newer Volcanic Group

Description: Cinder cones - scoria, minor ash and agglutinates; Lava flows - tholeiitic to minor alkaline and basanitic lavas.

Comments: igneous mafic volcanic; synthesis of multiple published descriptions

Lithology: Igneous mafic 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)
- Ollier & Joyce (1964)
- Irving (1974)
- Birch, W. D., Wood, A., White, A. J. R., Mills, S. J. and Freeman, R. (2008): Aegirine-augite crystals in scoria from Mt Shadwell and Mt Anakie, Victoria, Australia. Australian Journal of Mineralogy 14, 37-42.
- Mills, S. J. & Groat, L. A. (2008) The crystal structure of yellow aegirine–augite from Mount Anakie, Victoria, Australian Journal of Mineralogy, 14(1), 43–45.


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.
 
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