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East Otago Volcanic Province, Otago Region, New Zealandi
Regional Level Types
East Otago Volcanic ProvinceVolcanic Province
Otago RegionRegion
New ZealandCountry

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Latitude & Longitude (WGS84):
45° 50' 54'' South , 170° 38' 17'' East (est.)
Estimate based on other nearby localities or region boundaries.
Margin of Error:
~0km
Köppen climate type:
Mindat Locality ID:
344288
Long-form identifier:
mindat:1:2:344288:6
GUID (UUID V4):
0


The province is centred on the middle reaches of Otago Harbour, around which are distributed the products of the deeply dissected Dunedin Volcano, Otago Peninsula, Dunedin City, Otago Region, New Zealand, the present diameter of which is c. 30 km. Peripheral parts of the province extend to the SW and c. 90 km to the north and NW and include remnants of flows, tuffs, plugs and dikes referred to as the Waipiata Volcanic Formation (Coombs & Wilkinson 1969). In the NE there is an overlap with the volcanic rocks of NE Otago Volcanic Field, Canterbury Region, New Zealand.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List

Mineral list contains entries from the region specified including sub-localities

11 valid minerals.

Rock Types Recorded

Note: data is currently VERY limited. Please bear with us while we work towards adding this information!

Rock list contains entries from the region specified including sub-localities

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

Aegirine-augite
Formula: (NaaCabFe2+cMgd)(Fe3+eAlfFe2+gMgh)Si2O6
Aenigmatite
Formula: Na4[Fe2+10Ti2]O4[Si12O36]
References:
Albite
Formula: Na(AlSi3O8)
Albite var. Andesine
Formula: (Na,Ca)[Al(Si,Al)Si2O8]
Albite var. Anorthoclase
Formula: (Na,K)AlSi3O8
'Alkali amphibole'
References:
'Alkali Feldspar'
References:
Analcime
Formula: Na(AlSi2O6) · H2O
References:
Anorthite
Formula: Ca(Al2Si2O8)
Anorthite var. Bytownite
Formula: (Ca,Na)[Al(Al,Si)Si2O8]
'Apatite'
Formula: Ca5(PO4)3(Cl/F/OH)
References:
Augite
Formula: (CaxMgyFez)(Mgy1Fez1)Si2O6
Augite var. Titanium-bearing Augite
Formula: (Ca,Na)(Mg,Ti, Fe,Al,)(Si,Al)2O6
'Biotite'
Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
References:
Diopside
Formula: CaMgSi2O6
'Fayalite-Forsterite Series'
References:
Kaersutite
Formula: NaCa2(Mg3AlTi4+)(Si6Al2)O22O2
References:
Nepheline
Formula: Na3K(Al4Si4O16)
'Plagioclase'
Formula: (Na,Ca)[(Si,Al)AlSi2]O8
References:
Sanidine
Formula: K(AlSi3O8)
References:
Sodalite
Formula: Na4(Si3Al3)O12Cl
References:
'Zeolite Group'

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 9 - Silicates
Augite9.DA.15(CaxMgyFez)(Mgy1Fez1)Si2O6
Diopside9.DA.15CaMgSi2O6
Augite
var. Titanium-bearing Augite
9.DA.15(Ca,Na)(Mg,Ti, Fe,Al,)(Si,Al)2O6
Aegirine-augite9.DA.20(NaaCabFe2+cMgd)(Fe3+eAlfFe2+gMgh)Si2O6
Kaersutite9.DE.15NaCa2(Mg3AlTi4+)(Si6Al2)O22O2
Aenigmatite9.DH.40Na4[Fe2+10Ti2]O4[Si12O36]
Nepheline9.FA.05Na3K(Al4Si4O16)
Sanidine9.FA.30K(AlSi3O8)
Albite9.FA.35Na(AlSi3O8)
var. Andesine9.FA.35(Na,Ca)[Al(Si,Al)Si2O8]
Anorthite9.FA.35Ca(Al2Si2O8)
Albite
var. Anorthoclase
9.FA.35(Na,K)AlSi3O8
Anorthite
var. Bytownite
9.FA.35(Ca,Na)[Al(Al,Si)Si2O8]
Sodalite9.FB.10Na4(Si3Al3)O12Cl
'Zeolite Group'9.G0.
Analcime9.GB.05Na(AlSi2O6) · H2O
Unclassified
'Alkali Feldspar'-
'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
'Fayalite-Forsterite Series'-
'Plagioclase'-(Na,Ca)[(Si,Al)AlSi2]O8
'Apatite'-Ca5(PO4)3(Cl/F/OH)
'Alkali amphibole'-

List of minerals for each chemical element

HHydrogen
H AnalcimeNa(AlSi2O6) · H2O
H BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
H ApatiteCa5(PO4)3(Cl/F/OH)
OOxygen
O Aegirine-augite(NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6
O AenigmatiteNa4[Fe102+Ti2]O4[Si12O36]
O AlbiteNa(AlSi3O8)
O AnalcimeNa(AlSi2O6) · H2O
O Albite var. Andesine(Na,Ca)[Al(Si,Al)Si2O8]
O AnorthiteCa(Al2Si2O8)
O Albite var. Anorthoclase(Na,K)AlSi3O8
O Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
O BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
O Anorthite var. Bytownite(Ca,Na)[Al(Al,Si)Si2O8]
O DiopsideCaMgSi2O6
O KaersutiteNaCa2(Mg3AlTi4+)(Si6Al2)O22O2
O NephelineNa3K(Al4Si4O16)
O SanidineK(AlSi3O8)
O SodaliteNa4(Si3Al3)O12Cl
O Fayalite-Forsterite Series
O Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
O Augite var. Titanium-bearing Augite(Ca,Na)(Mg,Ti, Fe,Al,)(Si,Al)2O6
O ApatiteCa5(PO4)3(Cl/F/OH)
FFluorine
F BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
F ApatiteCa5(PO4)3(Cl/F/OH)
NaSodium
Na Aegirine-augite(NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6
Na AenigmatiteNa4[Fe102+Ti2]O4[Si12O36]
Na AlbiteNa(AlSi3O8)
Na AnalcimeNa(AlSi2O6) · H2O
Na Albite var. Andesine(Na,Ca)[Al(Si,Al)Si2O8]
Na Albite var. Anorthoclase(Na,K)AlSi3O8
Na Anorthite var. Bytownite(Ca,Na)[Al(Al,Si)Si2O8]
Na KaersutiteNaCa2(Mg3AlTi4+)(Si6Al2)O22O2
Na NephelineNa3K(Al4Si4O16)
Na SodaliteNa4(Si3Al3)O12Cl
Na Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Na Augite var. Titanium-bearing Augite(Ca,Na)(Mg,Ti, Fe,Al,)(Si,Al)2O6
MgMagnesium
Mg Aegirine-augite(NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6
Mg Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Mg BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Mg DiopsideCaMgSi2O6
Mg KaersutiteNaCa2(Mg3AlTi4+)(Si6Al2)O22O2
Mg Fayalite-Forsterite Series
Mg Augite var. Titanium-bearing Augite(Ca,Na)(Mg,Ti, Fe,Al,)(Si,Al)2O6
AlAluminium
Al Aegirine-augite(NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6
Al AlbiteNa(AlSi3O8)
Al AnalcimeNa(AlSi2O6) · H2O
Al Albite var. Andesine(Na,Ca)[Al(Si,Al)Si2O8]
Al AnorthiteCa(Al2Si2O8)
Al Albite var. Anorthoclase(Na,K)AlSi3O8
Al BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Al Anorthite var. Bytownite(Ca,Na)[Al(Al,Si)Si2O8]
Al KaersutiteNaCa2(Mg3AlTi4+)(Si6Al2)O22O2
Al NephelineNa3K(Al4Si4O16)
Al SanidineK(AlSi3O8)
Al SodaliteNa4(Si3Al3)O12Cl
Al Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Al Augite var. Titanium-bearing Augite(Ca,Na)(Mg,Ti, Fe,Al,)(Si,Al)2O6
SiSilicon
Si Aegirine-augite(NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6
Si AenigmatiteNa4[Fe102+Ti2]O4[Si12O36]
Si AlbiteNa(AlSi3O8)
Si AnalcimeNa(AlSi2O6) · H2O
Si Albite var. Andesine(Na,Ca)[Al(Si,Al)Si2O8]
Si AnorthiteCa(Al2Si2O8)
Si Albite var. Anorthoclase(Na,K)AlSi3O8
Si Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Si BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Si Anorthite var. Bytownite(Ca,Na)[Al(Al,Si)Si2O8]
Si DiopsideCaMgSi2O6
Si KaersutiteNaCa2(Mg3AlTi4+)(Si6Al2)O22O2
Si NephelineNa3K(Al4Si4O16)
Si SanidineK(AlSi3O8)
Si SodaliteNa4(Si3Al3)O12Cl
Si Fayalite-Forsterite Series
Si Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Si Augite var. Titanium-bearing Augite(Ca,Na)(Mg,Ti, Fe,Al,)(Si,Al)2O6
PPhosphorus
P ApatiteCa5(PO4)3(Cl/F/OH)
ClChlorine
Cl SodaliteNa4(Si3Al3)O12Cl
Cl ApatiteCa5(PO4)3(Cl/F/OH)
KPotassium
K Albite var. Anorthoclase(Na,K)AlSi3O8
K BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
K NephelineNa3K(Al4Si4O16)
K SanidineK(AlSi3O8)
CaCalcium
Ca Aegirine-augite(NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6
Ca Albite var. Andesine(Na,Ca)[Al(Si,Al)Si2O8]
Ca AnorthiteCa(Al2Si2O8)
Ca Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Ca Anorthite var. Bytownite(Ca,Na)[Al(Al,Si)Si2O8]
Ca DiopsideCaMgSi2O6
Ca KaersutiteNaCa2(Mg3AlTi4+)(Si6Al2)O22O2
Ca Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Ca Augite var. Titanium-bearing Augite(Ca,Na)(Mg,Ti, Fe,Al,)(Si,Al)2O6
Ca ApatiteCa5(PO4)3(Cl/F/OH)
TiTitanium
Ti AenigmatiteNa4[Fe102+Ti2]O4[Si12O36]
Ti BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Ti KaersutiteNaCa2(Mg3AlTi4+)(Si6Al2)O22O2
Ti Augite var. Titanium-bearing Augite(Ca,Na)(Mg,Ti, Fe,Al,)(Si,Al)2O6
FeIron
Fe Aegirine-augite(NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6
Fe AenigmatiteNa4[Fe102+Ti2]O4[Si12O36]
Fe Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Fe BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Fe Fayalite-Forsterite Series
Fe Augite var. Titanium-bearing Augite(Ca,Na)(Mg,Ti, Fe,Al,)(Si,Al)2O6

Localities in this Region

Other Regions, Features and Areas that Intersect

Australian Plate
New Zealand
Pacific 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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