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Al Haruj Al Aswad Volcanic Province, Jufra District, Libyai
Regional Level Types
Al Haruj Al Aswad Volcanic ProvinceVolcanic Province
Jufra DistrictDistrict
LibyaCountry

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Latitude & Longitude:
27° North , 17° East (est.)
Estimate based on other nearby localities or region boundaries.
Margin of Error:
~328km
GRN:
N19E11
Type:
Volcanic Province
Age:
6.0 ± 0.2 to 0.41 ± 0.2 Ma
Geologic Time:
Cenozoic
Dating method:
K-Ar whole rock
Reference for age:
Ade-Hall, J. M., Reynolds, P. H., Dagley, P., Mussett, A. E., Hubbard, T. P., & Klitzsch, E. (1974). Geophysical Studies of North African Cenozoic Volcanic Areas I: Haruj Assuad, Libya. Canadian Journal of Earth Sciences, 11(7), 998-1006. doi.org/10.1139/e74-096
Mindat Locality ID:
407205
Long-form identifier:
mindat:1:2:407205:1
GUID (UUID V4):
0


The most voluminous volcanic province in Libya, covers over 45000km². The province is essentially basaltic with all rocks analysed so far (Almond 1974; Busrewil & Wadsworth 1980) being nepheline normative.

Approx coords range: 25º30' - 28º30'N; 16º25' - 18º40'E.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


1 valid mineral.

Rock Types Recorded

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

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Alphabetical List Tree Diagram

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 9 - Silicates
ⓘNepheline9.FA.05Na3K(Al4Si4O16)

List of minerals for each chemical element

OOxygen
Oⓘ NephelineNa3K(Al4Si4O16)
NaSodium
Naⓘ NephelineNa3K(Al4Si4O16)
AlAluminium
Alⓘ NephelineNa3K(Al4Si4O16)
SiSilicon
Siⓘ NephelineNa3K(Al4Si4O16)
KPotassium
Kⓘ NephelineNa3K(Al4Si4O16)

Other Regions, Features and Areas containing this locality

AfricaContinent
African 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.

References

Ade-Hall, J. M., Reynolds, P. H., Dagley, P., Mussett, A. E., Hubbard, T. P., & Klitzsch, E. (1974). Geophysical Studies of North African Cenozoic Volcanic Areas I: Haruj Assuad, Libya. Canadian Journal of Earth Sciences, 11(7), 998-1006. doi.org/10.1139/e74-096
Almond, D. C. (1974). The composition of basaltic lavas from Bayuda, Sudan and their place in the Cainozoic volcanic history of North-East Africa. Bulletin Volcanologique, 38(1), 345-360.
Busrewil, M. T., & Wadsworth, W. J. (1980). Preliminary chemical data on the volcanic rocks of Al Haruj area, central Libya. In (MJ Salem & MT Busrewil, Eds) The Geology of Libya, Vol. 3. Academic Press, London, 1077-1080.
Woolley, A. R. (2001) Alkaline Rocks and Carbonatites of the World, Part 3: Africa - Alkaline Rocks and Carbonatites of the World. The Geological Society of London.p.144
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