Geology of the Al-Amar-Idsas region of the Arabian Shield.

  • Z. A. Nawab

Research output: Chapter in Book/Report/Conference proceedingChapterpeer-review

16 Scopus citations

Abstract

The Al-Amar fault, one of the most important geological features of the E corner of the Arabian Shield, separates a dominantly metavolcanic sequence overlying gneissis granodiorite of the basement to the E, from an essentially metasedimentary sequence to the W. Intrusive rocks of the region include: grabbro, diorite, granodiorite, and alkalic granite. The Al-Amar- Idsas region, evaluated in the light of the plate tectonic theory, appears to represent a continental volcanic arc and a contiguous back-arc basin. -Author

Original languageEnglish
Title of host publicationEvolution and mineralization of the Arabian-Nubian Shield. Proc. symposium, Vol 2
EditorsS.A. Tahoun
PublisherPergamon Press for King Abdulaziz University, Jeddah, Institute of Applied Geology; I.A.G. Bulletin 3
Pages29-40
Number of pages12
StatePublished - 1979

ASJC Scopus subject areas

  • General Earth and Planetary Sciences
  • General Environmental Science

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