Mineral chemistry and alteration patterns of Cr-spinel in serpentinized peridotites from NW Iran

• Published in: Journal of Asian Earth Sciences: X Vol. 11; p. 100178
• Main Authors: Moazzen, Mohssen, Ahangari, Masoumeh, Oberhänsli, Roland, Altenberger, Uwe
• Format: Journal Article
• Language: English
• Published: Elsevier Ltd 01.06.2024; Elsevier
• Subjects: Cr-rich chlorite; Cr-rich garnet; Cr-spinel; Harzburgite; Iran; Serpentinization; Cr-rich chlorite; Iran; Serpentinization; Cr-rich garnet; Harzburgite; Cr-spinel

•Cpx-bearing harzburgite occurs in ophiolite mélange in NW Iran.•Primary Cr-Spinel chemistry indicates an abyssal affinity for the peridotites.•Hydrothermally altered Cr-spinel shows reaction textures.•Cr-Chl, Cr-Grt and a ferrian chromite-silicate mixture formed by cation mobility. The Late Cretace...