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The Mamzar granitoid pluton is located in the Kerman Province and structurally in southeast of Urumieh-Dokhtar magmatic zone. Based on petrographic studies, the granitoid consist of four rock type of diorite, tonalite, granodiorite and monzogranite. They are mainly composed of plagioclase (andesine), alkali-feldspar (orthoclase), quartz, amphibole (magnesiohornblende), biotite and clinopyroxene. Mineral chemistry of plagioclase indicate that their composition are andesine with An_33-47 and the amphibole (calcic) have magnesiohornblende compositions that is feature of I-type granite. The biotites with Fe/ (Fe+Mg)>0.33 are magnesio-biotites. Based on TiO₂ versus Al₂O₃ diagram, composition of amphiboles indicate crust and mantle mixing in the formation of the Mamzar granitoid magma. Application of different barometers and thermometers such as Al-in-hornblende, plagioclase-amphibole pair exhibit an average pressure of 1.14 kbar and temperatures of 660-730 °C for the intrusion. The mineral chemistry of the biotites and amphiboles indicate that this granitoid pluton is calc-alkaline and formed at the depth of less than 8 km.

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The Yakhāb intrusive complex, located in the north Tabas region of central Iran, is characterized by a series of granitic stocks intruding into mica schist host rocks. This study combines petrographic, geochemical, and tectonic analyses to elucidate the complex's petrogenesis and tectonic setting. Petrographic studies reveal a granular texture with major minerals including quartz, alkali feldspar, plagioclase, and biotite. Geochemical data indicates a calc-alkaline affinity, with the rocks ranging from metaluminous to peraluminous and showing enrichment in LILE and LREE relative to HFSE. Spider diagrams normalized to primitive mantle, MORB and chondrites, highlight the influence of magmatic differentiation and crustal contamination. Tectonic discrimination diagrams suggest that the granites formed in a syn-collisional to volcanic arc environment are classified as fractionated granites (FG). The geochronology data suggests a prolonged magmatic evolution, with the syn-collisional and volcanic arc granitoids formed in separate episodes. The petrographic and geochemical signature confirms a crustal origin for the studied granitoids. This study provides a comprehensive understanding of the magmatic evolution and geodynamic setting of the Yakhāb intrusive complex and its associated magmatic systems within the Iranian Central Zone.