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Straumsvola complex, Queen Maud Land, Eastern Antarctica, Antarcticai
Regional Level Types
Straumsvola complexComplex
Queen Maud LandRegion
Eastern AntarcticaRegion
AntarcticaContinent

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Key
Latitude & Longitude (WGS84):
72° 7' South , 0° 20' West
Latitude & Longitude (decimal):
Locality type:
Köppen climate type:


Straumsvola Mountain (72°7′S 0°20′W) is a prominent mountain 6 nautical miles (11 km) north of Jutulrora Mountain in the northwest part of the Sverdrup Mountains, overlooking the east side of Jutulstraumen Glacier in Queen Maud Land. Plotted from air photos by the German Antarctic Expedition (1938–39). Remapped by Norwegian cartographers from surveys and air photos by Norwegian-British-Swedish Antarctic Expedition (NBSAE) (1949–52) and air photos by the Norwegian expedition (1958–59) and named Straumsvola (the stream mountain). [Wikipedia]

Straumsvola is a nepheline syenite intrusive complex about 7 km in diameter, which intrudes gneisses of the Jutulrøra Formation (Svedrupfjella Group), located on the eastern edge of the Jutulstraumen Glacier (Ravich & Solov'yev, 1966 and 1969; Hjelle, 1972; Allen et al., 1986; Harris & Grantham, 1993). The Straumsvola nepheline syenite complex consists of a massive outer zone and a layered inner zone, whereas the adjacent nunatak 5 km to the southeast, Tvora, consists of quartz syenite (see http://www.mindat.org/loc-266652.html). The Straumsvola complex is exposed mostly on the nunatak Straumsvola itself, but it can be observed also at the easternmost Storjoen and Joungane nunataks.

The outer zone contains numerous pegmatite dykes (southeast ridge of Straumsvola and summit ridge of Storjoen) consisting of alkali feldspar, biotite, sodium-rich pyroxene, and amphibole. Such pegmatite dykes can contain cavities up to several metres in diametre, in which large, well-formed crystals of feldspar, amphibole, aegirine, zircon (up to 2 cm across), analcime, and natrolite are present. Natrolite prismatic crystals are partially enclosed by icositetrahedra of analcime.
The layered rocks are exclusively exposed on Straumsvola. Near the summit of Straumsvola, a more mafic facies unconformably overlies the layered zone.

A large number of Jurassic dykes cut the two plutons and the surrounding country-rocks. These dykes are extremely varied in composition and include nephelinites, pyroxenites, lamprophyres, dolerites, phonolites, and peralkaline microgranites. Jurassic dykes of western Dronning Maud Land dyke swarms are probably related to magmatism associated with the Karoo large igneous province in Africa.

In one unusual dyke of peralkaline granite, which crops out on the north ridge of Straumsvola at about 200 m from the summit and cuts both the nepheline syenite country-rock and several dolerite dykes, REE-rich eudialyte occurs together with the rare mineral dalyite (Harris & Rickard, 1987). In other dykes of peralkaline granite narsarsukite and vlasovite have been found (Harris & Grantham, 1993).

Eudialyte is found in fissures and vugs throughout the upper layered zone syenites and in one case as a major phase (up to 20 modal %) in a pegmatite dyke located 100 m south of Straumsvola summit (Harris & Grantham, 1993).

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


28 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: Harris, C., Rickard, R. S. (1987): Rare-earth-rich eudialyte and dalyite from a peralkaline granite dyke at Straumsvola, Dronning Maud Land, Antarctica. Canadian Mineralogist, 25, 755-762; Harris, C., Grantham, G.H. (1993): Geology and petrogenesis of the Straumsvola nepheline syenite complex, Dronning Maud Land, Antarctica. Geological Magazine, 130, 4, 513-532.; Riley, T.R., Curtis, M.L., Leat, P.T., Millar, I.L. (2009): The geochemistry of Middle Jurassic dykes associated with the Straumsvola-Tvora alkaline plutons, Dronning Maud Land, Antarctica and their association with the Karoo large igneous province. Mineralogical Magazine, 73, 2, 205-226.
Aegirine-augite
Formula: (NaaCabFe2+cMgd)(Fe3+eAlfFe2+gMgh)Si2O6
Reference: Harris, C., Grantham, G.H. (1993): Geology and petrogenesis of the Straumsvola nepheline syenite complex, Dronning Maud Land, Antarctica. Geological Magazine, 130, 4, 513-532.
Aenigmatite
Formula: Na4[Fe2+10Ti2]O4[Si12O36]
Reference: Harris, C., Grantham, G.H. (1993): Geology and petrogenesis of the Straumsvola nepheline syenite complex, Dronning Maud Land, Antarctica. Geological Magazine, 130, 4, 513-532.
Albite
Formula: Na(AlSi3O8)
Reference: Harris, C., & Rickard, R. S. (1987). Rare-earth-rich eudialyte and dalyite from a peralkaline granite dyke at Straumsvola, Dronning Maud Land, Antarctica. Canadian Mineralogist, 25, 755-762.
'Albite-Anorthite Series'
Reference: Harris, C., Grantham, G.H. (1993): Geology and petrogenesis of the Straumsvola nepheline syenite complex, Dronning Maud Land, Antarctica. Geological Magazine, 130, 4, 513-532; Riley, T.R., Curtis, M.L., Leat, P.T., Millar, I.L. (2009): The geochemistry of Middle Jurassic dykes associated with the Straumsvola-Tvora alkaline plutons, Dronning Maud Land, Antarctica and their association with the Karoo large igneous province. Mineralogical Magazine, 73, 2, 205-226.
'Alkali Feldspar'
Reference: Harris, C., Grantham, G.H. (1993): Geology and petrogenesis of the Straumsvola nepheline syenite complex, Dronning Maud Land, Antarctica. Geological Magazine, 130, 4, 513-532.
'Amphibole Supergroup'
Formula: AX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Reference: Harris, C., Grantham, G.H. (1993): Geology and petrogenesis of the Straumsvola nepheline syenite complex, Dronning Maud Land, Antarctica. Geological Magazine, 130, 4, 513-532.
Analcime
Formula: Na(AlSi2O6) · H2O
Reference: Harris, C., Grantham, G.H. (1993): Geology and petrogenesis of the Straumsvola nepheline syenite complex, Dronning Maud Land, Antarctica. Geological Magazine, 130, 4, 513-532.
'Apatite'
Formula: Ca5(PO4)3(Cl/F/OH)
Reference: Harris, C., Grantham, G.H. (1993): Geology and petrogenesis of the Straumsvola nepheline syenite complex, Dronning Maud Land, Antarctica. Geological Magazine, 130, 4, 513-532; Riley, T.R., Curtis, M.L., Leat, P.T., Millar, I.L. (2009): The geochemistry of Middle Jurassic dykes associated with the Straumsvola-Tvora alkaline plutons, Dronning Maud Land, Antarctica and their association with the Karoo large igneous province. Mineralogical Magazine, 73, 2, 205-226.
Arfvedsonite
Formula: [Na][Na2][Fe2+4Fe3+]Si8O22(OH)2
Reference: Woolley A.R. (2019) Alkaline Rocks and Carbonatites of the World. Part 4: Antarctica, Asia and Europe, p. 11
Augite
Formula: (CaxMgyFez)(Mgy1Fez1)Si2O6
Reference: Riley, T.R., Curtis, M.L., Leat, P.T., Millar, I.L. (2009): The geochemistry of Middle Jurassic dykes associated with the Straumsvola-Tvora alkaline plutons, Dronning Maud Land, Antarctica and their association with the Karoo large igneous province. Mineralogical Magazine, 73, 2, 205-226.
'Biotite'
Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
Reference: Harris, C., Grantham, G.H. (1993): Geology and petrogenesis of the Straumsvola nepheline syenite complex, Dronning Maud Land, Antarctica. Geological Magazine, 130, 4, 513-532.; Riley, T.R., Curtis, M.L., Leat, P.T., Millar, I.L. (2009): The geochemistry of Middle Jurassic dykes associated with the Straumsvola-Tvora alkaline plutons, Dronning Maud Land, Antarctica and their association with the Karoo large igneous province. Mineralogical Magazine, 73, 2, 205-226.
Calcite
Formula: CaCO3
Reference: Harris, C., Grantham, G.H. (1993): Geology and petrogenesis of the Straumsvola nepheline syenite complex, Dronning Maud Land, Antarctica. Geological Magazine, 130, 4, 513-532.
'Chlorite Group'
Reference: Harris, C., Grantham, G.H. (1993): Geology and petrogenesis of the Straumsvola nepheline syenite complex, Dronning Maud Land, Antarctica. Geological Magazine, 130, 4, 513-532.
Dalyite
Formula: K2ZrSi6O15
Reference: Handbook of Mineralogy - Anthony, Bideaux, Bladh, Nichols; Harris, C., & Rickard, R. S. (1987). Rare-earth-rich eudialyte and dalyite from a peralkaline granite dyke at Straumsvola, Dronning Maud Land, Antarctica. Canadian Mineralogist, 25, 755-762.
Eudialyte
Formula: Na15Ca6(Fe2+,Mn2+)3Zr3[Si25O73](O,OH,H2O)3(OH,Cl)2
Reference: Harris, C., & Rickard, R. S. (1987). Rare-earth-rich eudialyte and dalyite from a peralkaline granite dyke at Straumsvola, Dronning Maud Land, Antarctica. Canadian Mineralogist, 25, 755-762; Harris, C., Grantham, G.H. (1993): Geology and petrogenesis of the Straumsvola nepheline syenite complex, Dronning Maud Land, Antarctica. Geological Magazine, 130, 4, 513-532.
'Fayalite-Forsterite Series'
Reference: Riley, T.R., Curtis, M.L., Leat, P.T., Millar, I.L. (2009): The geochemistry of Middle Jurassic dykes associated with the Straumsvola-Tvora alkaline plutons, Dronning Maud Land, Antarctica and their association with the Karoo large igneous province. Mineralogical Magazine, 73, 2, 205-226.
'Feldspar Group'
Reference: Woolley A.R. (2019) Alkaline Rocks and Carbonatites of the World. Part 4: Antarctica, Asia and Europe, p. 11
'Feldspar Group var: Perthite'
Reference: Woolley A.R. (2019) Alkaline Rocks and Carbonatites of the World. Part 4: Antarctica, Asia and Europe, p. 11
Fluorite
Formula: CaF2
Reference: Harris, C., & Rickard, R. S. (1987). Rare-earth-rich eudialyte and dalyite from a peralkaline granite dyke at Straumsvola, Dronning Maud Land, Antarctica. Canadian Mineralogist, 25, 755-762.
Haüyne
Formula: (Na,K)3(Ca,Na)(Al3Si3O12)(SO4,S,Cl)
Reference: Harris, C., Grantham, G.H. (1993): Geology and petrogenesis of the Straumsvola nepheline syenite complex, Dronning Maud Land, Antarctica. Geological Magazine, 130, 4, 513-532.
'Iddingsite'
Formula: MgO · Fe2O3 · 3SiO2·4H2O
Reference: Riley, T.R., Curtis, M.L., Leat, P.T., Millar, I.L. (2009): The geochemistry of Middle Jurassic dykes associated with the Straumsvola-Tvora alkaline plutons, Dronning Maud Land, Antarctica and their association with the Karoo large igneous province. Mineralogical Magazine, 73, 2, 205-226.
Ilmenite
Formula: Fe2+TiO3
Reference: Harris, C., Grantham, G.H. (1993): Geology and petrogenesis of the Straumsvola nepheline syenite complex, Dronning Maud Land, Antarctica. Geological Magazine, 130, 4, 513-532; Riley, T.R., Curtis, M.L., Leat, P.T., Millar, I.L. (2009): The geochemistry of Middle Jurassic dykes associated with the Straumsvola-Tvora alkaline plutons, Dronning Maud Land, Antarctica and their association with the Karoo large igneous province. Mineralogical Magazine, 73, 2, 205-226.
Kalsilite
Formula: KAlSiO4
Reference: Riley, T.R., Curtis, M.L., Leat, P.T., Millar, I.L. (2009): The geochemistry of Middle Jurassic dykes associated with the Straumsvola-Tvora alkaline plutons, Dronning Maud Land, Antarctica and their association with the Karoo large igneous province. Mineralogical Magazine, 73, 2, 205-226.
Katophorite
Formula: {Na}{CaNa}{Mg4Al}[(AlSi7)O22](OH)2
Reference: Woolley A.R. (2019) Alkaline Rocks and Carbonatites of the World. Part 4: Antarctica, Asia and Europe, p. 11
Magnetite
Formula: Fe2+Fe3+2O4
Reference: Harris, C., Grantham, G.H. (1993): Geology and petrogenesis of the Straumsvola nepheline syenite complex, Dronning Maud Land, Antarctica. Geological Magazine, 130, 4, 513-532; Riley, T.R., Curtis, M.L., Leat, P.T., Millar, I.L. (2009): The geochemistry of Middle Jurassic dykes associated with the Straumsvola-Tvora alkaline plutons, Dronning Maud Land, Antarctica and their association with the Karoo large igneous province. Mineralogical Magazine, 73, 2, 205-226.
Microcline
Formula: K(AlSi3O8)
Reference: Harris, C., & Rickard, R. S. (1987). Rare-earth-rich eudialyte and dalyite from a peralkaline granite dyke at Straumsvola, Dronning Maud Land, Antarctica. Canadian Mineralogist, 25, 755-762.
Narsarsukite
Formula: Na4(Ti,Fe)2[Si8O20](O,OH,F)2
Reference: Harris, C., Grantham, G.H. (1993): Geology and petrogenesis of the Straumsvola nepheline syenite complex, Dronning Maud Land, Antarctica. Geological Magazine, 130, 4, 513-532.
Natrolite
Formula: Na2Al2Si3O10 · 2H2O
Reference: Harris, C., Grantham, G.H. (1993): Geology and petrogenesis of the Straumsvola nepheline syenite complex, Dronning Maud Land, Antarctica. Geological Magazine, 130, 4, 513-532.
Nepheline
Formula: Na3K(Al4Si4O16)
Reference: Harris, C., & Rickard, R. S. (1987). Rare-earth-rich eudialyte and dalyite from a peralkaline granite dyke at Straumsvola, Dronning Maud Land, Antarctica. Canadian Mineralogist, 25, 755-762.; Harris, C., Grantham, G.H. (1993): Geology and petrogenesis of the Straumsvola nepheline syenite complex, Dronning Maud Land, Antarctica. Geological Magazine, 130, 4, 513-532.; Riley, T.R., Curtis, M.L., Leat, P.T., Millar, I.L. (2009): The geochemistry of Middle Jurassic dykes associated with the Straumsvola-Tvora alkaline plutons, Dronning Maud Land, Antarctica and their association with the Karoo large igneous province. Mineralogical Magazine, 73, 2, 205-226.
Pyrite
Formula: FeS2
Reference: Riley, T.R., Curtis, M.L., Leat, P.T., Millar, I.L. (2009): The geochemistry of Middle Jurassic dykes associated with the Straumsvola-Tvora alkaline plutons, Dronning Maud Land, Antarctica and their association with the Karoo large igneous province. Mineralogical Magazine, 73, 2, 205-226.
'Pyrochlore'
Reference: Harris, C., Grantham, G.H. (1993): Geology and petrogenesis of the Straumsvola nepheline syenite complex, Dronning Maud Land, Antarctica. Geological Magazine, 130, 4, 513-532.
Quartz
Formula: SiO2
Reference: Harris, C., & Rickard, R. S. (1987). Rare-earth-rich eudialyte and dalyite from a peralkaline granite dyke at Straumsvola, Dronning Maud Land, Antarctica. Canadian Mineralogist, 25, 755-762; Harris, C., Grantham, G.H. (1993): Geology and petrogenesis of the Straumsvola nepheline syenite complex, Dronning Maud Land, Antarctica. Geological Magazine, 130, 4, 513-532.
Richterite
Formula: {Na}{NaCa}{Mg5}(Si8O22)(OH)2
Reference: Woolley A.R. (2019) Alkaline Rocks and Carbonatites of the World. Part 4: Antarctica, Asia and Europe, p. 11
Sanidine
Formula: K(AlSi3O8)
Reference: Harris, C., Grantham, G.H. (1993): Geology and petrogenesis of the Straumsvola nepheline syenite complex, Dronning Maud Land, Antarctica. Geological Magazine, 130, 4, 513-532; Riley, T.R., Curtis, M.L., Leat, P.T., Millar, I.L. (2009): The geochemistry of Middle Jurassic dykes associated with the Straumsvola-Tvora alkaline plutons, Dronning Maud Land, Antarctica and their association with the Karoo large igneous province. Mineralogical Magazine, 73, 2, 205-226.
'Serpentine Subgroup'
Formula: D3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
Reference: Riley, T.R., Curtis, M.L., Leat, P.T., Millar, I.L. (2009): The geochemistry of Middle Jurassic dykes associated with the Straumsvola-Tvora alkaline plutons, Dronning Maud Land, Antarctica and their association with the Karoo large igneous province. Mineralogical Magazine, 73, 2, 205-226.
Sodalite
Formula: Na8(Al6Si6O24)Cl2
Reference: Harris, C., Grantham, G.H. (1993): Geology and petrogenesis of the Straumsvola nepheline syenite complex, Dronning Maud Land, Antarctica. Geological Magazine, 130, 4, 513-532.
Titanite
Formula: CaTi(SiO4)O
Reference: Harris, C., Grantham, G.H. (1993): Geology and petrogenesis of the Straumsvola nepheline syenite complex, Dronning Maud Land, Antarctica. Geological Magazine, 130, 4, 513-532.
Vlasovite
Formula: Na2ZrSi4O11
Reference: Harris, C., Grantham, G.H. (1993): Geology and petrogenesis of the Straumsvola nepheline syenite complex, Dronning Maud Land, Antarctica. Geological Magazine, 130, 4, 513-532.
Zircon
Formula: Zr(SiO4)
Reference: Harris, C., Grantham, G.H. (1993): Geology and petrogenesis of the Straumsvola nepheline syenite complex, Dronning Maud Land, Antarctica. Geological Magazine, 130, 4, 513-532.

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
Pyrite2.EB.05aFeS2
Group 3 - Halides
Fluorite3.AB.25CaF2
Group 4 - Oxides and Hydroxides
Ilmenite4.CB.05Fe2+TiO3
Magnetite4.BB.05Fe2+Fe3+2O4
Quartz4.DA.05SiO2
Group 5 - Nitrates and Carbonates
Calcite5.AB.05CaCO3
Group 9 - Silicates
Aegirine9.DA.25NaFe3+Si2O6
Aegirine-augite9.DA.20(NaaCabFe2+cMgd)(Fe3+eAlfFe2+gMgh)Si2O6
Aenigmatite9.DH.40Na4[Fe2+10Ti2]O4[Si12O36]
Albite9.FA.35Na(AlSi3O8)
Analcime9.GB.05Na(AlSi2O6) · H2O
Arfvedsonite9.DE.25[Na][Na2][Fe2+4Fe3+]Si8O22(OH)2
Augite9.DA.15(CaxMgyFez)(Mgy1Fez1)Si2O6
Dalyite9.EA.25K2ZrSi6O15
Eudialyte9.CO.10Na15Ca6(Fe2+,Mn2+)3Zr3[Si25O73](O,OH,H2O)3(OH,Cl)2
Haüyne9.FB.10(Na,K)3(Ca,Na)(Al3Si3O12)(SO4,S,Cl)
Kalsilite9.FA.05KAlSiO4
Katophorite9.DE.20{Na}{CaNa}{Mg4Al}[(AlSi7)O22](OH)2
Microcline9.FA.30K(AlSi3O8)
Narsarsukite9.DJ.05Na4(Ti,Fe)2[Si8O20](O,OH,F)2
Natrolite9.GA.05Na2Al2Si3O10 · 2H2O
Nepheline9.FA.05Na3K(Al4Si4O16)
Richterite9.DE.20{Na}{NaCa}{Mg5}(Si8O22)(OH)2
Sanidine9.FA.30K(AlSi3O8)
Sodalite9.FB.10Na8(Al6Si6O24)Cl2
Titanite9.AG.15CaTi(SiO4)O
Vlasovite9.DM.25Na2ZrSi4O11
Zircon9.AD.30Zr(SiO4)
Unclassified Minerals, Rocks, etc.
'Albite-Anorthite Series'-
'Alkali Feldspar'-
'Amphibole Supergroup'-AX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
'Apatite'-Ca5(PO4)3(Cl/F/OH)
'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
'Chlorite Group'-
'Fayalite-Forsterite Series'-
'Feldspar Group'-
'var: Perthite'-
'Iddingsite'-MgO · Fe2O3 · 3SiO2·4H2O
'Pyrochlore'-
'Serpentine Subgroup'-D3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn

List of minerals arranged by Dana 8th Edition classification

Group 2 - SULFIDES
AmBnXp, with (m+n):p = 1:2
Pyrite2.12.1.1FeS2
Group 4 - SIMPLE OXIDES
A2X3
Ilmenite4.3.5.1Fe2+TiO3
Group 7 - MULTIPLE OXIDES
AB2X4
Magnetite7.2.2.3Fe2+Fe3+2O4
Group 9 - NORMAL HALIDES
AX2
Fluorite9.2.1.1CaF2
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3
Group 51 - NESOSILICATES Insular SiO4 Groups Only
Insular SiO4 Groups Only with cations in >[6] coordination
Zircon51.5.2.1Zr(SiO4)
Group 52 - NESOSILICATES Insular SiO4 Groups and O,OH,F,H2O
Insular SiO4 Groups and O, OH, F, and H2O with cations in [6] and/or >[6] coordination
Titanite52.4.3.1CaTi(SiO4)O
Group 64 - CYCLOSILICATES Rings with Other Anions and Insular Silicate Groups
Rings with Other Anions and Insular Silicate Groups with mixed ring types
Eudialyte64.1.1.1Na15Ca6(Fe2+,Mn2+)3Zr3[Si25O73](O,OH,H2O)3(OH,Cl)2
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
Group 66 - INOSILICATES Double-Width,Unbranched Chains,(W=2)
Amphiboles - Mg-Fe-Mn-Li subgroup
Katophorite66.1.3b.11{Na}{CaNa}{Mg4Al}[(AlSi7)O22](OH)2
Richterite66.1.3b.9{Na}{NaCa}{Mg5}(Si8O22)(OH)2
Amphiboles - Ca subgroup
Vlasovite66.2.2.1Na2ZrSi4O11
Group 69 - INOSILICATES Chains with Side Branches or Loops
Chains with Side Branches or Loops with P>2
Aenigmatite69.2.1a.1Na4[Fe2+10Ti2]O4[Si12O36]
Group 70 - INOSILICATES Column or Tube Structures
Column or Tube Structures with columnar silicate units
Narsarsukite70.1.2.1Na4(Ti,Fe)2[Si8O20](O,OH,F)2
Group 72 - PHYLLOSILICATES Two-Dimensional Infinite Sheets with Other Than Six-Membered Rings
Two-Dimensional Infinite Sheets with Other Than Six-Membered Rings with 4-, 6-, and 8-membered rings
Dalyite72.2.1.1K2ZrSi6O15
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)
Sanidine76.1.1.2K(AlSi3O8)
Al-Si Framework Feldspathoids and related species
Haüyne76.2.3.3(Na,K)3(Ca,Na)(Al3Si3O12)(SO4,S,Cl)
Kalsilite76.2.1.1KAlSiO4
Nepheline76.2.1.2Na3K(Al4Si4O16)
Sodalite76.2.3.1Na8(Al6Si6O24)Cl2
Group 77 - TECTOSILICATES Zeolites
Zeolite group - True zeolites
Analcime77.1.1.1Na(AlSi2O6) · H2O
Natrolite77.1.5.1Na2Al2Si3O10 · 2H2O
Unclassified Minerals, Mixtures, etc.
'Albite-Anorthite Series'-
'Alkali Feldspar'-
'Amphibole Supergroup'-AX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
'Apatite'-Ca5(PO4)3(Cl/F/OH)
Arfvedsonite-[Na][Na2][Fe2+4Fe3+]Si8O22(OH)2
'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
'Chlorite Group'-
'Fayalite-Forsterite Series'-
'Feldspar Group'-
'var: Perthite'-
'Iddingsite'-MgO · Fe2O3 · 3SiO2·4H2O
'Pyrochlore'-
'Serpentine Subgroup'-D3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn

List of minerals for each chemical element

HHydrogen
H EudialyteNa15Ca6(Fe2+,Mn2+)3Zr3[Si25O73](O,OH,H2O)3(OH,Cl)2
H Amphibole SupergroupAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
H BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
H ApatiteCa5(PO4)3(Cl/F/OH)
H IddingsiteMgO · Fe2O3 · 3SiO2·4H2O
H Serpentine SubgroupD3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
H NatroliteNa2Al2Si3O10 · 2H2O
H AnalcimeNa(AlSi2O6) · H2O
H NarsarsukiteNa4(Ti,Fe)2[Si8O20](O,OH,F)2
H Arfvedsonite[Na][Na2][Fe42+Fe3+]Si8O22(OH)2
H Katophorite{Na}{CaNa}{Mg4Al}[(AlSi7)O22](OH)2
H Richterite{Na}{NaCa}{Mg5}(Si8O22)(OH)2
CCarbon
C CalciteCaCO3
OOxygen
O DalyiteK2ZrSi6O15
O NephelineNa3K(Al4Si4O16)
O AegirineNaFe3+Si2O6
O AlbiteNa(AlSi3O8)
O MicroclineK(AlSi3O8)
O QuartzSiO2
O EudialyteNa15Ca6(Fe2+,Mn2+)3Zr3[Si25O73](O,OH,H2O)3(OH,Cl)2
O Haüyne(Na,K)3(Ca,Na)(Al3Si3O12)(SO4,S,Cl)
O Amphibole SupergroupAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
O BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
O Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
O MagnetiteFe2+Fe23+O4
O IlmeniteFe2+TiO3
O ApatiteCa5(PO4)3(Cl/F/OH)
O IddingsiteMgO · Fe2O3 · 3SiO2·4H2O
O SanidineK(AlSi3O8)
O KalsiliteKAlSiO4
O Serpentine SubgroupD3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
O NatroliteNa2Al2Si3O10 · 2H2O
O AnalcimeNa(AlSi2O6) · H2O
O ZirconZr(SiO4)
O TitaniteCaTi(SiO4)O
O Aegirine-augite(NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6
O SodaliteNa8(Al6Si6O24)Cl2
O AenigmatiteNa4[Fe102+Ti2]O4[Si12O36]
O CalciteCaCO3
O NarsarsukiteNa4(Ti,Fe)2[Si8O20](O,OH,F)2
O VlasoviteNa2ZrSi4O11
O Arfvedsonite[Na][Na2][Fe42+Fe3+]Si8O22(OH)2
O Katophorite{Na}{CaNa}{Mg4Al}[(AlSi7)O22](OH)2
O Richterite{Na}{NaCa}{Mg5}(Si8O22)(OH)2
FFluorine
F FluoriteCaF2
F Amphibole SupergroupAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
F BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
F ApatiteCa5(PO4)3(Cl/F/OH)
F NarsarsukiteNa4(Ti,Fe)2[Si8O20](O,OH,F)2
NaSodium
Na NephelineNa3K(Al4Si4O16)
Na AegirineNaFe3+Si2O6
Na AlbiteNa(AlSi3O8)
Na EudialyteNa15Ca6(Fe2+,Mn2+)3Zr3[Si25O73](O,OH,H2O)3(OH,Cl)2
Na Haüyne(Na,K)3(Ca,Na)(Al3Si3O12)(SO4,S,Cl)
Na NatroliteNa2Al2Si3O10 · 2H2O
Na AnalcimeNa(AlSi2O6) · H2O
Na Aegirine-augite(NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6
Na SodaliteNa8(Al6Si6O24)Cl2
Na AenigmatiteNa4[Fe102+Ti2]O4[Si12O36]
Na NarsarsukiteNa4(Ti,Fe)2[Si8O20](O,OH,F)2
Na VlasoviteNa2ZrSi4O11
Na Arfvedsonite[Na][Na2][Fe42+Fe3+]Si8O22(OH)2
Na Katophorite{Na}{CaNa}{Mg4Al}[(AlSi7)O22](OH)2
Na Richterite{Na}{NaCa}{Mg5}(Si8O22)(OH)2
MgMagnesium
Mg BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
Mg Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Mg IddingsiteMgO · Fe2O3 · 3SiO2·4H2O
Mg Serpentine SubgroupD3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
Mg Aegirine-augite(NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6
Mg Katophorite{Na}{CaNa}{Mg4Al}[(AlSi7)O22](OH)2
Mg Richterite{Na}{NaCa}{Mg5}(Si8O22)(OH)2
AlAluminium
Al NephelineNa3K(Al4Si4O16)
Al AlbiteNa(AlSi3O8)
Al MicroclineK(AlSi3O8)
Al Haüyne(Na,K)3(Ca,Na)(Al3Si3O12)(SO4,S,Cl)
Al Amphibole SupergroupAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Al BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
Al SanidineK(AlSi3O8)
Al KalsiliteKAlSiO4
Al Serpentine SubgroupD3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
Al NatroliteNa2Al2Si3O10 · 2H2O
Al AnalcimeNa(AlSi2O6) · H2O
Al Aegirine-augite(NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6
Al SodaliteNa8(Al6Si6O24)Cl2
Al Katophorite{Na}{CaNa}{Mg4Al}[(AlSi7)O22](OH)2
SiSilicon
Si DalyiteK2ZrSi6O15
Si NephelineNa3K(Al4Si4O16)
Si AegirineNaFe3+Si2O6
Si AlbiteNa(AlSi3O8)
Si MicroclineK(AlSi3O8)
Si QuartzSiO2
Si EudialyteNa15Ca6(Fe2+,Mn2+)3Zr3[Si25O73](O,OH,H2O)3(OH,Cl)2
Si Haüyne(Na,K)3(Ca,Na)(Al3Si3O12)(SO4,S,Cl)
Si Amphibole SupergroupAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Si BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
Si Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Si IddingsiteMgO · Fe2O3 · 3SiO2·4H2O
Si SanidineK(AlSi3O8)
Si KalsiliteKAlSiO4
Si Serpentine SubgroupD3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
Si NatroliteNa2Al2Si3O10 · 2H2O
Si AnalcimeNa(AlSi2O6) · H2O
Si ZirconZr(SiO4)
Si TitaniteCaTi(SiO4)O
Si Aegirine-augite(NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6
Si SodaliteNa8(Al6Si6O24)Cl2
Si AenigmatiteNa4[Fe102+Ti2]O4[Si12O36]
Si NarsarsukiteNa4(Ti,Fe)2[Si8O20](O,OH,F)2
Si VlasoviteNa2ZrSi4O11
Si Arfvedsonite[Na][Na2][Fe42+Fe3+]Si8O22(OH)2
Si Katophorite{Na}{CaNa}{Mg4Al}[(AlSi7)O22](OH)2
Si Richterite{Na}{NaCa}{Mg5}(Si8O22)(OH)2
PPhosphorus
P ApatiteCa5(PO4)3(Cl/F/OH)
SSulfur
S Haüyne(Na,K)3(Ca,Na)(Al3Si3O12)(SO4,S,Cl)
S PyriteFeS2
ClChlorine
Cl EudialyteNa15Ca6(Fe2+,Mn2+)3Zr3[Si25O73](O,OH,H2O)3(OH,Cl)2
Cl Haüyne(Na,K)3(Ca,Na)(Al3Si3O12)(SO4,S,Cl)
Cl Amphibole SupergroupAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Cl ApatiteCa5(PO4)3(Cl/F/OH)
Cl SodaliteNa8(Al6Si6O24)Cl2
KPotassium
K DalyiteK2ZrSi6O15
K NephelineNa3K(Al4Si4O16)
K MicroclineK(AlSi3O8)
K Haüyne(Na,K)3(Ca,Na)(Al3Si3O12)(SO4,S,Cl)
K BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
K SanidineK(AlSi3O8)
K KalsiliteKAlSiO4
CaCalcium
Ca FluoriteCaF2
Ca EudialyteNa15Ca6(Fe2+,Mn2+)3Zr3[Si25O73](O,OH,H2O)3(OH,Cl)2
Ca Haüyne(Na,K)3(Ca,Na)(Al3Si3O12)(SO4,S,Cl)
Ca Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Ca ApatiteCa5(PO4)3(Cl/F/OH)
Ca TitaniteCaTi(SiO4)O
Ca Aegirine-augite(NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6
Ca CalciteCaCO3
Ca Katophorite{Na}{CaNa}{Mg4Al}[(AlSi7)O22](OH)2
Ca Richterite{Na}{NaCa}{Mg5}(Si8O22)(OH)2
TiTitanium
Ti Amphibole SupergroupAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Ti IlmeniteFe2+TiO3
Ti TitaniteCaTi(SiO4)O
Ti AenigmatiteNa4[Fe102+Ti2]O4[Si12O36]
Ti NarsarsukiteNa4(Ti,Fe)2[Si8O20](O,OH,F)2
MnManganese
Mn EudialyteNa15Ca6(Fe2+,Mn2+)3Zr3[Si25O73](O,OH,H2O)3(OH,Cl)2
Mn Serpentine SubgroupD3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
FeIron
Fe AegirineNaFe3+Si2O6
Fe EudialyteNa15Ca6(Fe2+,Mn2+)3Zr3[Si25O73](O,OH,H2O)3(OH,Cl)2
Fe BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
Fe Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Fe MagnetiteFe2+Fe23+O4
Fe IlmeniteFe2+TiO3
Fe PyriteFeS2
Fe IddingsiteMgO · Fe2O3 · 3SiO2·4H2O
Fe Serpentine SubgroupD3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
Fe Aegirine-augite(NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6
Fe AenigmatiteNa4[Fe102+Ti2]O4[Si12O36]
Fe NarsarsukiteNa4(Ti,Fe)2[Si8O20](O,OH,F)2
Fe Arfvedsonite[Na][Na2][Fe42+Fe3+]Si8O22(OH)2
NiNickel
Ni Serpentine SubgroupD3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
ZnZinc
Zn Serpentine SubgroupD3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
ZrZirconium
Zr DalyiteK2ZrSi6O15
Zr EudialyteNa15Ca6(Fe2+,Mn2+)3Zr3[Si25O73](O,OH,H2O)3(OH,Cl)2
Zr ZirconZr(SiO4)
Zr VlasoviteNa2ZrSi4O11

Geochronology

Mineralization age: Mesozoic : 206.07 ± 2.63 Ma to 170.93 ± 1.67 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
 Mesozoic
  Jurassic
   Middle Jurassic
ⓘ Nepheline-syenite (youngest age)170.93 ± 1.67 Ma
   Early Jurassic
ⓘ Alkali Feldspar (youngest age)178 Ma
ⓘ Alkali Feldspar (oldest age)180 Ma
  Triassic
   Late Triassic
ⓘ Nepheline-syenite (oldest age)206.07 ± 2.63 Ma

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Ravich, M.G., Solov'yev, D.S. [Равич М.Г., Соловьев Д.С.] (1966) Geology and petrology of the central part of the mountains of Dronning Maud Land (Eastern Antarctica) [Геология и петрология центральной части гор Земли Королевы Мод (Восточная Антарктида)]. Nedra, Leningrad, 290 pages (in Russian).
Ravich, M.G., Solov'yev, D.S. (1969) Geology and petrology of the mountains of central Dronning Maud Land (Eastern Antarctica). Israel Program for Scientific Translations, Jerusalem, 348 pages (Translated from the 1966 Russian publication).
Hjelle A. (1972) Some observations on the geology of H. U. Sverdrupfjella, Dronning Maud Land. Norsk Polarinstitutt, Årbok 1972, 7-22.
Allen, A.R., Grantham, G.H., Groenewald, P.B., Hunter, D.R. (1986) Tectonic and metamorphic evolution of H.U. Sverdrupfjella, western Dronning Maud Land, Antarctica - a preliminary review. Geocongress 1986 (Johannesburg), extended abstr., 707-710.
Harris, C., Rickard, R.S. (1987) Rare-earth-rich eudialyte and dalyite from a peralkaline granite dyke at Straumsvola, Dronning Maud Land, Antarctica. Canadian Mineralogist, 25, 755-762.
Harris, C., Grantham, G.H. (1993) Geology and petrogenesis of the Straumsvola nepheline syenite complex, Dronning Maud Land, Antarctica. Geological Magazine, 130(4), 513-532.
Curtis, M.L., Riley, T.R., Owens, W.H., Leat, P.T., Duncan, R.A. (2008) The form, distribution and anisotropy of magnetic susceptibility of Jurassic dykes in H.U. Sverdrupfjella, Dronning Maud Land, Antarctica. Implications for dyke swarm emplacement. Journal of Structural Geology, 30, 1429-1447.
Riley, T.R., Curtis, M.L., Leat, P.T., Millar, I.L. (2009) The geochemistry of Middle Jurassic dykes associated with the Straumsvola-Tvora alkaline plutons, Dronning Maud Land, Antarctica and their association with the Karoo large igneous province. Mineralogical Magazine, 73(2), 205-226.

Other Databases

Wikipedia:https://en.wikipedia.org/wiki/Straumsvola_Mountain
Wikidata ID:Q7622316

Other Regions, Features and Areas containing this locality

Antarctic MeteoritesGroup of Meteorite Fall Locations
Antarctic PlateTectonic Plate

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