Utilize este identificador para referenciar este registo: http://hdl.handle.net/10773/28811
Título: Petrology, geochemistry and tectonomagmatic evolution of Hezar Igneous Complex (Rayen - south of Kerman - Iran): the first description of an arc remnant of the Neotethyan subduction zone
Autor: Noorizadeh, M.
Moradian, A.
Ahmadipour, H.
Ghassemi, M. R.
Santos, José F.
Palavras-chave: Hezar Igneous Complex (HIC)
Urumieh-Dokhtar magmatic arc
Tectonomagmatic evolution
Whole-rock geochemistry
Data: 2018
Editora: National Research Center of Medical Sciences
Resumo: The Hezar Igneous Complex (HIC) in the south-eastern part of Urumieh-Dokhtar magmatic arc, is the most prominent magmatic feature in the Kerman Porphyry Copper Belt, that understanding magmatic evolution of which may shed light on the tectonomagmatic development of this less-studied part of an important magmatic arc in the Neotethys realm. The HIC has been developed in the the intersection of the N-S striking Sabzevaran fault and the NW-SE striking Rafsanjan-Rayen fault. It is indicated that the possible place of the conduit and vent is in Jalas Mountain which has been splitted later by the Sabzevaran fault into Minor and Major Jalas. The current summit had been constructed by ascending magma chamber under the HIC that constitutes the Kamali Mountain at the south of the summit. Some plutonic rocks of the HIC are exposed at Kamali Mountain. The subalkaline rocks of this complex mainly are composed of different pyroclastic and lava flow rocks, acidic to basic in composition, showing the evidences of fractional crystallization and mineral segregation. Sequential explosive and effusive eruptions with Strombolian to Vulcanian types are evident in the successive volcanic layers. The compositional trend shows the melting of spinel lherzolite, not garnet lherzolite. The subduction-related mechanism of the magma genesis has been indicated by IAB nature of the magma formation in geochemical diagrams.
Peer review: yes
URI: http://hdl.handle.net/10773/28811
ISSN: 1016-1104
Versão do Editor: https://jsciences.ut.ac.ir/article_67446_223ff868b67d3d9e741688fd896b4774.pdf
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