Libyan Desert Glass - Impact Deposit

Alternate Names Libyan tektites
Coordinates 25° 23' 60" N; 25° 18' 0" E
Notes
  1. (Weeks et al., 1984)
Country Libya

Related Countries :
  1. Libya
Region North Africa (Lybia ~Egypt)
Date Confirmed 1932
Notes
  1. (Weeks et al., 1984)
Age (Ma) 28.5
Notes :
  1. (Weeks et al. 1984)

Method :
  1. Fission-track dating method
Impactor Type Unknown

Advanced Data Fields

Notes

Local Language
N/A
Spherules
Unknown
Tektites
Yes
Indivudual Glass Clasts
Unknown
Source Crater
Unknown
Geology
compact hard glassy rock, transparent, yellowish/greenish, and dark or milky. Airbubbles, cristobalite inclusions and dark/brown inclusions (possibly decomposed iron oxides) can also be found in the glass (Gomez-Nubla et al., 2017). May have parent sedimentary rocks but is controversial
  1. Gomez-Nubla et al., 2017
Other Shock Metamorphism
Unknown
  1. (Weeks et al. 1984)
Shatter Cones
No
Planar Fractures
No
Planar Deformation Features
No
Diaplectic Glass
No
Coesite
No
Stisovite
No

References

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R A Weeks, J R Underwood, R F Giegengack (1984) Libyan Desert glass: A review, Journal of Non-Crystalline Solids 67(1-3), p. 593-619, North-Holland, url, doi:10.1016/0022-3093(84)90177-7

L Gomez-Nubla, J Aramendia, S F-O De Vallejuelo, A Alonso-Olazabal, K Castro, M C Zuluaga, L Á Ortega, X Murelaga, J M Madariaga (2017) Multispectroscopic methodology to study Libyan desert glass and its formation conditions, Analytical and Bioanalytical Chemistry 409(14), url, doi:10.1007/s00216-017-0299-5