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Mt Melbourne, Transantarctic Mountains, Victoria Land, Eastern Antarctica, Antarcticai
Regional Level Types
Mt MelbourneMountain
Transantarctic MountainsMountain Range
Victoria LandRegion
Eastern AntarcticaRegion
AntarcticaContinent

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Key
Latitude & Longitude (WGS84):
74° 21' South , 164° 42' East
Latitude & Longitude (decimal):
Locality type:
Köppen climate type:


Mount Melbourne is a massive stratovolcano that makes up the projection of the coast between Wood Bay and Terra Nova Bay, in Victoria Land of Antarctica. It was discovered in 1841 by James Clark Ross, who named it for Lord Melbourne, British prime minister when the expedition was being planned. [Wikipedia]

Active stratovolcano (trachyandesite to trachyte) on the margin of the Ross Sea.

Present activity is fumarolic.

Trachyte from the northern side of Mt Melbourne is garnet-bearing.
Garnet is intergrown with groundmass feldspar, producing an oikocrystic texture.

The formation of garnet result from localized gas-streaming in the lava, reacting Ca-rich residual melt according to the reaction: augite + magnetite + glass + O2 = andradite (above 700 °C).

Melbourne volcanic province stretches across the Transantarctic Mountains in northern Victoria Land and ranges in age from 0 to 7 m.y.

A Central Suite of intermediate and trachytic lavas form stratovolcanoes, cones, and plugs, while many small basanite outcrops constitute a Local Suite.

Three lava lineages, resulting from differentiation, are recognised:

1) Lavas at The Pleiades and Mt Overlord consist of a mildly potassic trachyandesite-tristanite-K-trachyte-peralkaline K-trachyte lineage. Major, trace and rare earth element (REE) data suggest evolution by fractional crystallization of olivine, clinopyroxene, magnetite, apatite, and feldspar.

2) A basanite-nepheline hawaiite-nepheline mugearite-nepheline benmoreite lineage, found at The Pleiades is believed to result from fractional crystallization of olivine, clinopyroxene, kaersutite, magnetite, apatite, and feldspar.

3) An oversaturated (Q = 0 to 18%) strongly potassic quartz trachyandesite-quartz tristanite-quartz trachyte lineage occurs only at Mt Melbourne.

http://nzresearch.org.nz/index.php/record/viewSchema/43721/3 [Link dead August 2019]

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


10 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
Formula: NaFe3+Si2O6
Reference: Wörner G and Viereck L, 1989. The Mt.Melbourne Volcanic Field (Victoria Land, Antarctica). I. Field observations. Geologisches Jahrbuch, E38, 369-393 LeMasurier, W. E., Thomson, J. W., Baker, P. E., Kyle, P. R., Rowley, P. D., Smellie, J. L., & Verwoerd, W. J. (1990). Volcanoes of the Antarctic Plate and Southern Ocean (Vol. 48). American Geophysical Union, 72-78
Aegirine-augite
Formula: (NaaCabFe2+cMgd)(Fe3+eAlfFe2+gMgh)Si2O6
Reference: Wörner G and Viereck L, 1989. The Mt.Melbourne Volcanic Field (Victoria Land, Antarctica). I. Field observations. Geologisches Jahrbuch, E38, 369-393 LeMasurier, W. E., Thomson, J. W., Baker, P. E., Kyle, P. R., Rowley, P. D., Smellie, J. L., & Verwoerd, W. J. (1990). Volcanoes of the Antarctic Plate and Southern Ocean (Vol. 48). American Geophysical Union, 72-78
'Albite-Anorthite Series'
Reference: Wörner G and Viereck L, 1989. The Mt.Melbourne Volcanic Field (Victoria Land, Antarctica). I. Field observations. Geologisches Jahrbuch, E38, 369-393 LeMasurier, W. E., Thomson, J. W., Baker, P. E., Kyle, P. R., Rowley, P. D., Smellie, J. L., & Verwoerd, W. J. (1990). Volcanoes of the Antarctic Plate and Southern Ocean (Vol. 48). American Geophysical Union, 72-78
Andradite
Formula: Ca3Fe3+2(SiO4)3
Reference: Paul W. O. Hoskin, F. Lin Sutherland and Patrick R. L. Browne(2005) Gas-streaming in trachyte lava, Mount Melbourne, Antarctica. Goldschmidt Conference Abstracts 2005 Environmental Geochemistry/Mineralogy
Andradite var: Topazolite
Formula: Ca3Fe3+2(SiO4)3
'Anorthoclase'
Formula: (Na,K)AlSi3O8
Description: An1–10Ab57–74Or12–41.
Reference: Goldschmidt Conference Abstracts 2005, Environmental Geochemistry/Mineralogy, http://www.the-conference.com/2005/gold2005/web_pdfs/G07.pdf
Augite
Formula: (CaxMgyFez)(Mgy1Fez1)Si2O6
Reference: Geological Society, London, Special Publications 2008, v. 293, p. 279-302; Paul W. O. Hoskin, F. Lin Sutherland and Patrick R. L. Browne(2005) Gas-streaming in trachyte lava, Mount Melbourne, Antarctica. Goldschmidt Conference Abstracts 2005 Environmental Geochemistry/Mineralogy
'Clinopyroxene Subgroup'
Reference: Wörner G and Viereck L, 1989. The Mt.Melbourne Volcanic Field (Victoria Land, Antarctica). I. Field observations. Geologisches Jahrbuch, E38, 369-393 LeMasurier, W. E., Thomson, J. W., Baker, P. E., Kyle, P. R., Rowley, P. D., Smellie, J. L., & Verwoerd, W. J. (1990). Volcanoes of the Antarctic Plate and Southern Ocean (Vol. 48). American Geophysical Union, 72-78
Diopside
Formula: CaMgSi2O6
Reference: Geological Society, London, Special Publications 2008, v. 293, p. 279-302
Fayalite
Formula: Fe2+2SiO4
Reference: Wörner G and Viereck L, 1989. The Mt.Melbourne Volcanic Field (Victoria Land, Antarctica). I. Field observations. Geologisches Jahrbuch, E38, 369-393 LeMasurier, W. E., Thomson, J. W., Baker, P. E., Kyle, P. R., Rowley, P. D., Smellie, J. L., & Verwoerd, W. J. (1990). Volcanoes of the Antarctic Plate and Southern Ocean (Vol. 48). American Geophysical Union, 72-78
'Fayalite-Forsterite Series'
Reference: Geological Society, London, Special Publications 2008, v. 293, p. 279-302; Wörner G and Viereck L, 1989. The Mt.Melbourne Volcanic Field (Victoria Land, Antarctica). I. Field observations. Geologisches Jahrbuch, E38, 369-393 LeMasurier, W. E., Thomson, J. W., Baker, P. E., Kyle, P. R., Rowley, P. D., Smellie, J. L., & Verwoerd, W. J. (1990). Volcanoes of the Antarctic Plate and Southern Ocean (Vol. 48). American Geophysical Union, 72-78
'Glass'
Reference: Wörner G and Viereck L, 1989. The Mt.Melbourne Volcanic Field (Victoria Land, Antarctica). I. Field observations. Geologisches Jahrbuch, E38, 369-393 LeMasurier, W. E., Thomson, J. W., Baker, P. E., Kyle, P. R., Rowley, P. D., Smellie, J. L., & Verwoerd, W. J. (1990). Volcanoes of the Antarctic Plate and Southern Ocean (Vol. 48). American Geophysical Union, 72-78
Magnetite
Formula: Fe2+Fe3+2O4
Reference: Paul W. O. Hoskin, F. Lin Sutherland and Patrick R. L. Browne(2005) Gas-streaming in trachyte lava, Mount Melbourne, Antarctica. Goldschmidt Conference Abstracts 2005 Environmental Geochemistry/Mineralogy
Quartz
Formula: SiO2
Reference: Wörner G and Viereck L, 1989. The Mt.Melbourne Volcanic Field (Victoria Land, Antarctica). I. Field observations. Geologisches Jahrbuch, E38, 369-393 LeMasurier, W. E., Thomson, J. W., Baker, P. E., Kyle, P. R., Rowley, P. D., Smellie, J. L., & Verwoerd, W. J. (1990). Volcanoes of the Antarctic Plate and Southern Ocean (Vol. 48). American Geophysical Union, 72-78
Sanidine
Formula: K(AlSi3O8)
Reference: Wörner G and Viereck L, 1989. The Mt.Melbourne Volcanic Field (Victoria Land, Antarctica). I. Field observations. Geologisches Jahrbuch, E38, 369-393 LeMasurier, W. E., Thomson, J. W., Baker, P. E., Kyle, P. R., Rowley, P. D., Smellie, J. L., & Verwoerd, W. J. (1990). Volcanoes of the Antarctic Plate and Southern Ocean (Vol. 48). American Geophysical Union, 72-78
Spinel
Formula: MgAl2O4
Reference: Geological Society, London, Special Publications 2008, v. 293, p. 279-302

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
Magnetite4.BB.05Fe2+Fe3+2O4
Quartz4.DA.05SiO2
Spinel4.BB.05MgAl2O4
Group 9 - Silicates
Aegirine9.DA.25NaFe3+Si2O6
Aegirine-augite9.DA.20(NaaCabFe2+cMgd)(Fe3+eAlfFe2+gMgh)Si2O6
Andradite9.AD.25Ca3Fe3+2(SiO4)3
var: Topazolite9.AD.25Ca3Fe3+2(SiO4)3
'Anorthoclase'9.FA.30(Na,K)AlSi3O8
Augite9.DA.15(CaxMgyFez)(Mgy1Fez1)Si2O6
Diopside9.DA.15CaMgSi2O6
Fayalite9.AC.05Fe2+2SiO4
Sanidine9.FA.30K(AlSi3O8)
Unclassified Minerals, Rocks, etc.
'Albite-Anorthite Series'-
'Clinopyroxene Subgroup'-
'Fayalite-Forsterite Series'-
'Glass'-

List of minerals arranged by Dana 8th Edition classification

Group 7 - MULTIPLE OXIDES
AB2X4
Magnetite7.2.2.3Fe2+Fe3+2O4
Spinel7.2.1.1MgAl2O4
Group 51 - NESOSILICATES Insular SiO4 Groups Only
Insular SiO4 Groups Only with all cations in octahedral [6] coordination
Fayalite51.3.1.1Fe2+2SiO4
Insular SiO4 Groups Only with cations in [6] and >[6] coordination
Andradite51.4.3b.1Ca3Fe3+2(SiO4)3
Group 65 - INOSILICATES Single-Width,Unbranched Chains,(W=1)
Single-Width Unbranched Chains, W=1 with chains P=2
Aegirine65.1.3c.2NaFe3+Si2O6
Aegirine-augite65.1.3b.2(NaaCabFe2+cMgd)(Fe3+eAlfFe2+gMgh)Si2O6
Augite65.1.3a.3(CaxMgyFez)(Mgy1Fez1)Si2O6
Diopside65.1.3a.1CaMgSi2O6
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
'Anorthoclase'76.1.1.6(Na,K)AlSi3O8
Sanidine76.1.1.2K(AlSi3O8)
Unclassified Minerals, Mixtures, etc.
'Albite-Anorthite Series'-
Andradite
var: Topazolite
-Ca3Fe3+2(SiO4)3
'Clinopyroxene Subgroup'-
'Fayalite-Forsterite Series'-
'Glass'-

List of minerals for each chemical element

OOxygen
O Anorthoclase(Na,K)AlSi3O8
O AndraditeCa3Fe23+(SiO4)3
O Andradite (var: Topazolite)Ca3Fe23+(SiO4)3
O DiopsideCaMgSi2O6
O SpinelMgAl2O4
O Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
O MagnetiteFe2+Fe23+O4
O SanidineK(AlSi3O8)
O Aegirine-augite(NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6
O AegirineNaFe3+Si2O6
O FayaliteFe22+SiO4
O QuartzSiO2
NaSodium
Na Anorthoclase(Na,K)AlSi3O8
Na Aegirine-augite(NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6
Na AegirineNaFe3+Si2O6
MgMagnesium
Mg DiopsideCaMgSi2O6
Mg SpinelMgAl2O4
Mg Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Mg Aegirine-augite(NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6
AlAluminium
Al Anorthoclase(Na,K)AlSi3O8
Al SpinelMgAl2O4
Al SanidineK(AlSi3O8)
Al Aegirine-augite(NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6
SiSilicon
Si Anorthoclase(Na,K)AlSi3O8
Si AndraditeCa3Fe23+(SiO4)3
Si Andradite (var: Topazolite)Ca3Fe23+(SiO4)3
Si DiopsideCaMgSi2O6
Si Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Si SanidineK(AlSi3O8)
Si Aegirine-augite(NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6
Si AegirineNaFe3+Si2O6
Si FayaliteFe22+SiO4
Si QuartzSiO2
KPotassium
K Anorthoclase(Na,K)AlSi3O8
K SanidineK(AlSi3O8)
CaCalcium
Ca AndraditeCa3Fe23+(SiO4)3
Ca Andradite (var: Topazolite)Ca3Fe23+(SiO4)3
Ca DiopsideCaMgSi2O6
Ca Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Ca Aegirine-augite(NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6
FeIron
Fe AndraditeCa3Fe23+(SiO4)3
Fe Andradite (var: Topazolite)Ca3Fe23+(SiO4)3
Fe Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Fe MagnetiteFe2+Fe23+O4
Fe Aegirine-augite(NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6
Fe AegirineNaFe3+Si2O6
Fe FayaliteFe22+SiO4

Geochronology

Mineralization age: Cenozoic : 12.63 ± 0.17 Ma to 0.01 Ma

Important note: This table is based only on rock and mineral ages recorded below and is not necessarily a complete representation of the geochronology, but does give an indication of possible mineralization events relevant to this locality. As more age information is added this table may expand in the future. A break in the table simply indicates a lack of data entered here, not necessarily a break in the geologic sequence. Grey background entries are from different, related, localities.

Geologic TimeRocks, Minerals and Events
Phanerozoic
 Cenozoic
  Quaternary
   Holocene
ⓘ Basanite (youngest age)0.01 Ma
   Pleistocene
ⓘ Basanite (oldest age)0.26 Ma
ⓘ Alkali basalt (youngest age)0.71 ± 0.18 Ma
    
   
  Neogene
   Miocene
ⓘ Alkali basalt (oldest age)12.63 ± 0.17 Ma

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Hoskin, Paul W.O., Sutherland, F. Lin, Browne, Patrick R.L. (2005) Gas-streaming in trachyte lava, Mount Melbourne, Antarctica. Goldschmidt Conference Abstracts 2005 Environmental Geochemistry/Mineralogy.
Perinelli, C., Orlando, A., Conte, A.M., Armienti, P., Borrini, D., Faccini, B., Misiti, V. (2008) Metasomatism induced by alkaline magma in the upper mantle of northern Victoria Land (Antarctica): an experimental approach. Geological Society, London, Special Publications, 293 (Metasomatism in Oceanic and Continental Lithospheric Mantle), 279-302.

Other Databases

Wikipedia:https://en.wikipedia.org/wiki/Mount_Melbourne
Wikidata ID:Q739945

External Links


Other Regions, Features and Areas containing this locality

Antarctic MeteoritesGroup of Meteorite Fall Locations
Antarctic 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.
 
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