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Olivine nephelinite

A rock subtype
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04817370017272472737892.jpg
Ankaratrite

Lake Magadi, Kajiado County, Kenya
04817370017272472737892.jpg
Ankaratrite

Lake Magadi, Kajiado County, Kenya
07960360017271952593939.jpg
Ankaratrite

Lake Magadi, Kajiado County, Kenya
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About Olivine nepheliniteHide

A nephelinite containing olivine


Unique IdentifiersHide

Mindat ID:
50691
Long-form identifier:
mindat:1:1:50691:7

Classification of Olivine nepheliniteHide

QAPF_V_15c.png

Nephelinite appears in field 15c in the QAPF diagram.

TAS_F.png

Nephelinite is found in field F in the TAS diagram.

Sub-divisions of Olivine nepheliniteHide

Mineralogy of Olivine nepheliniteHide

Essential minerals - these are minerals that are required within the classification of this rock:
Feldspathoid > NephelineNa3K(Al4Si4O16)
OlivineCommonly used as a synonym for a member of the Fayalite-Forsterite Series, but more generally and properly ...

Age distributionHide

Recorded ages:
Phanerozoic : 125 ± 4 Ma to 28.1 ± 2.8 Ma - based on 8 recorded ages.
Sample ages:
Sample IDRecorded ageGeologic TimeDating method
129.8 ± 1.3 MaOligoceneK-Ar
231.9 ± 3.0 to 28.1 ± 2.8 MaOligoceneK-Ar
337.1 ± 12.1 MaEoceneK-Ar
454.4 ± 0.9 MaEoceneK-Ar
558.4 ± 2.3 MaPaleoceneK-Ar
685.7 ± 4.6 MaLate/Upper CretaceousK-Ar
7120 to 85 MaCretaceousK-Ar
8125 ± 4 MaEarly/Lower CretaceousK-Ar
Sample references:
IDLocalityReferenceNotes
1Hadigny, Vosges Volcanic Field, Vosges, Grand Est, France
Baranyi, I., Lippolt, H.J. & Todt, W. (1976). KALIUM-ARGON-ALTERSBESTIMMUNGEN AN TERTIAEREN VULKANITEN DES OBERRHEINGRABEN-GEBIETES: II DIE ALTERSTRAVERSE VON HEGAU NACH LOTHRINGEN. Oberrheinische Geologische Abhandlungen, 25, 41-62.
2Cerisier Noir, Vosges Volcanic Field, Vosges, Grand Est, France
Baranyi, I., Lippolt, H.J. & Todt, W. (1976). KALIUM-ARGON-ALTERSBESTIMMUNGEN AN TERTIAEREN VULKANITEN DES OBERRHEINGRABEN-GEBIETES: II DIE ALTERSTRAVERSE VON HEGAU NACH LOTHRINGEN. Oberrheinische Geologische Abhandlungen, 25, 41-62.
3Reichenweiher, Vosges Volcanic Field, Vosges, Grand Est, France
Baranyi, I., Lippolt, H.J. & Todt, W. (1976). KALIUM-ARGON-ALTERSBESTIMMUNGEN AN TERTIAEREN VULKANITEN DES OBERRHEINGRABEN-GEBIETES: II DIE ALTERSTRAVERSE VON HEGAU NACH LOTHRINGEN. Oberrheinische Geologische Abhandlungen, 25, 41-62.
4Vestbrona Formation, Kristiansund, Møre og Romsdal, Norway
Bugge, T., Prestvik, T., & Rokoengen, K. (1980). Lower tertiary volcanic rocks off Kristiansund
5Orbey, Vosges Volcanic Field, Vosges, Grand Est, France
Baranyi, I., Lippolt, H.J. & Todt, W. (1976). KALIUM-ARGON-ALTERSBESTIMMUNGEN AN TERTIAEREN VULKANITEN DES OBERRHEINGRABEN-GEBIETES: II DIE ALTERSTRAVERSE VON HEGAU NACH LOTHRINGEN. Oberrheinische Geologische Abhandlungen, 25, 41-62.
6Vordermarbach, Vosges Volcanic Field, Vosges, Grand Est, France
Baranyi, I., Lippolt, H.J. & Todt, W. (1976). KALIUM-ARGON-ALTERSBESTIMMUNGEN AN TERTIAEREN VULKANITEN DES OBERRHEINGRABEN-GEBIETES: II DIE ALTERSTRAVERSE VON HEGAU NACH LOTHRINGEN. Oberrheinische Geologische Abhandlungen, 25, 41-62.
7Southern Rhine Graben, Breisgau-Hochschwarzwald, Freiburg Region, Baden-Württemberg, Germany
Baranyi, I., Lippolt, H.J. & Todt, W. (1976). KALIUM-ARGON-ALTERSBESTIMMUNGEN AN TERTIAEREN VULKANITEN DES OBERRHEINGRABEN-GEBIETES: II DIE ALTERSTRAVERSE VON HEGAU NACH LOTHRINGEN. Obnerrheinische Geologische Abhandlungen, 25, 41-62.
8Wadi Araba nephelinite occurrences, Suez Governorate, Egypt
Meneisy, M. Y., & MY, M. (1974). POTASSIUM-ARGON AGES OF EGYPTIAN BASALTIC ROCKS. Geologisches Jahrbuch, Hannover, D9, 21-31.

Common AssociatesHide

Associations Based on Photo Data:
1 photo of Olivine nephelinite associated with 'Harzburgite'
1 photo of Olivine nephelinite associated with 'Dunite'

Internet Links for Olivine nepheliniteHide

References for Olivine nepheliniteHide

Reference List:
Quick NavTopAbout Olivine nepheliniteUnique IdentifiersClassification Sub-divisions Mineralogy Age distributionCommon AssociatesInternet Links References
 
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