Petrography, Geochemistry and Tectonic Setting of the Harris Granite Body, Located in Mishu Mountains, Northwest of Iran (Shabestar City)
The Harris granitoid body, as a part of Alborz-Azarbaijan zone, located in the northwestern Iran and west of Shabestar city. The intrusive body cut the Kahar formation and covered by non-conformably Permian sediments. This body is granite- alkali granite in composition with peraluminous to metalumin...
| Main Author: | |
|---|---|
| Format: | Article |
| Language: | fas |
| Published: |
University of Isfahan
2021-11-01
|
| Series: | پترولوژی |
| Subjects: | |
| Online Access: | https://ijp.ui.ac.ir/article_26397_59d54619f0c00e5b804cf6ff513b286c.pdf |
| _version_ | 1797720820868448256 |
|---|---|
| author | Farhad Pirmohammadi Alishah |
| author_facet | Farhad Pirmohammadi Alishah |
| author_sort | Farhad Pirmohammadi Alishah |
| collection | DOAJ |
| description | The Harris granitoid body, as a part of Alborz-Azarbaijan zone, located in the northwestern Iran and west of Shabestar city. The intrusive body cut the Kahar formation and covered by non-conformably Permian sediments. This body is granite- alkali granite in composition with peraluminous to metaluminous nature. Granular and perthite are dominant textures of the studied samples. The rocks under investigated are marked by quartz, K-feldspar, plagioclase as well as biotite, amphibole, pyroxene, apatite, titanite and zircon as minor minerals. The strong Eu negative in the REE diagram points to either the presence of plagioclase in the source or differentiation process of the plagioclase during evolution of the parent magma. As the petrochemical data display, the studied rocks are A-type granitoids, and due to Nb poor, they are compatible with A2- type. In addition, Ba negative anomaly and Rb, Th enrichment relative to Ta and Nb represent the crustal origin of Harris intrusive body. In these granites, Ba shows more negative anomalies than post collision granites and the Zr, Ta, Nb and Yb amounts are somewhat higher than those of post collision granites. The Harris granite body can be regarded as intraplate and non-orogenic granites generated in a post collision tensile environment. Overall, the Harris granitoid possibly originated by partial melting of lower crust with tonalite-granodiorite composition. |
| first_indexed | 2024-03-12T09:26:10Z |
| format | Article |
| id | doaj.art-3d42215ecb3a44a8b5a7ff9b3b7e534c |
| institution | Directory Open Access Journal |
| issn | 2228-5210 2322-2182 |
| language | fas |
| last_indexed | 2024-03-12T09:26:10Z |
| publishDate | 2021-11-01 |
| publisher | University of Isfahan |
| record_format | Article |
| series | پترولوژی |
| spelling | doaj.art-3d42215ecb3a44a8b5a7ff9b3b7e534c2023-09-02T14:13:29ZfasUniversity of Isfahanپترولوژی2228-52102322-21822021-11-011238110010.22108/ijp.2022.131116.125626397Petrography, Geochemistry and Tectonic Setting of the Harris Granite Body, Located in Mishu Mountains, Northwest of Iran (Shabestar City)Farhad Pirmohammadi Alishah0Assistant Professor, Department of Geology, Shabestar Branch, Islamic Azad University, Shabestar, IranThe Harris granitoid body, as a part of Alborz-Azarbaijan zone, located in the northwestern Iran and west of Shabestar city. The intrusive body cut the Kahar formation and covered by non-conformably Permian sediments. This body is granite- alkali granite in composition with peraluminous to metaluminous nature. Granular and perthite are dominant textures of the studied samples. The rocks under investigated are marked by quartz, K-feldspar, plagioclase as well as biotite, amphibole, pyroxene, apatite, titanite and zircon as minor minerals. The strong Eu negative in the REE diagram points to either the presence of plagioclase in the source or differentiation process of the plagioclase during evolution of the parent magma. As the petrochemical data display, the studied rocks are A-type granitoids, and due to Nb poor, they are compatible with A2- type. In addition, Ba negative anomaly and Rb, Th enrichment relative to Ta and Nb represent the crustal origin of Harris intrusive body. In these granites, Ba shows more negative anomalies than post collision granites and the Zr, Ta, Nb and Yb amounts are somewhat higher than those of post collision granites. The Harris granite body can be regarded as intraplate and non-orogenic granites generated in a post collision tensile environment. Overall, the Harris granitoid possibly originated by partial melting of lower crust with tonalite-granodiorite composition.https://ijp.ui.ac.ir/article_26397_59d54619f0c00e5b804cf6ff513b286c.pdfharrisgranitepost collisionmagmatismtonalite-granodiorite |
| spellingShingle | Farhad Pirmohammadi Alishah Petrography, Geochemistry and Tectonic Setting of the Harris Granite Body, Located in Mishu Mountains, Northwest of Iran (Shabestar City) پترولوژی harris granite post collision magmatism tonalite-granodiorite |
| title | Petrography, Geochemistry and Tectonic Setting of the Harris Granite Body, Located in Mishu Mountains, Northwest of Iran (Shabestar City) |
| title_full | Petrography, Geochemistry and Tectonic Setting of the Harris Granite Body, Located in Mishu Mountains, Northwest of Iran (Shabestar City) |
| title_fullStr | Petrography, Geochemistry and Tectonic Setting of the Harris Granite Body, Located in Mishu Mountains, Northwest of Iran (Shabestar City) |
| title_full_unstemmed | Petrography, Geochemistry and Tectonic Setting of the Harris Granite Body, Located in Mishu Mountains, Northwest of Iran (Shabestar City) |
| title_short | Petrography, Geochemistry and Tectonic Setting of the Harris Granite Body, Located in Mishu Mountains, Northwest of Iran (Shabestar City) |
| title_sort | petrography geochemistry and tectonic setting of the harris granite body located in mishu mountains northwest of iran shabestar city |
| topic | harris granite post collision magmatism tonalite-granodiorite |
| url | https://ijp.ui.ac.ir/article_26397_59d54619f0c00e5b804cf6ff513b286c.pdf |
| work_keys_str_mv | AT farhadpirmohammadialishah petrographygeochemistryandtectonicsettingoftheharrisgranitebodylocatedinmishumountainsnorthwestofiranshabestarcity |