| Reference Type | Journal (article/letter/editorial) |
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| Title | The origin and evolution of hydrothermal fluids in the Gow-Kamar epithermal Pb-Zn-Cu (Au) occurrence, Tarom-Hashtjin metallogenic belt, Ardebil province, NW Iran |
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| Journal | Periodico di Mineralogia |
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| Authors | Soughi, Fatemeh Hassani | Primary Author |
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| Calagari, Ali Asghar | Primary Author |
| Sohrabi, Ghahraman | Primary Author |
| Sadeghi, Ramin | Primary Author |
| Year | 2023 | Volume | < 92 > |
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| Issue | < 3 > |
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| Publisher | Edizioni Nuova Cultura | Place | Italy |
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| Original Entry | Fatemeh Hassani Soughi, Ali Asghar Calagari, Ghahraman Sohrabi, Ramin Sadeghi (2023): The origin and evolution of hydrothermal fluids in the Gow-Kamar epithermal Pb-Zn-Cu (Au) occurrence, Tarom-Hashtjin metallogenic belt, Ardebil province, NW Iran. Periodico di Mineralogia 92, 335-355. |
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| Classification | Not set | LoC | Not set |
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| Mindat Ref. ID | 16991511 | Long-form Identifier | mindat:1:5:16991511:9 |
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| GUID | 0 |
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| Full Reference | Soughi, Fatemeh Hassani, Calagari, Ali Asghar, Sohrabi, Ghahraman, Sadeghi, Ramin (2023) The origin and evolution of hydrothermal fluids in the Gow-Kamar epithermal Pb-Zn-Cu (Au) occurrence, Tarom-Hashtjin metallogenic belt, Ardebil province, NW Iran. Periodico di Mineralogia , 92 (3) Italy. 335-355 |
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| Plain Text | Soughi, Fatemeh Hassani, Calagari, Ali Asghar, Sohrabi, Ghahraman, Sadeghi, Ramin (2023) The origin and evolution of hydrothermal fluids in the Gow-Kamar epithermal Pb-Zn-Cu (Au) occurrence, Tarom-Hashtjin metallogenic belt, Ardebil province, NW Iran. Periodico di Mineralogia , 92 (3) Italy. 335-355 |
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| In | Link this record to the correct parent record (if possible) |
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| Abstract/Notes | The Gow-Kamar Pb-Zn-Cu (Au) occurrence, as a part of the Tarom-Hashtjin metallogenic belt (THMB), is located in ~12 km southwest of Hashtjin, Ardebil province, NW Iran. Mineralization at Gow-Kamar occurred as veins-veinlets within the host Eocene volcanic (lavas and pyroclastics) rocks. Hydrothermal alterations include silicic, phyllic, intermediate argillic, and propylitic. Three stages of mineralization were distinguished at Gow-Kamar. Stage 1 is marked by silicification of the host rocks along with pyrite mineralization. In stage 2, quartz veinlets containing pyrite, chalcopyrite, bornite, sphalerite, galena, and gold were developed. Stage 3 is represented by the presence of calcite veinlets. Quartz, calcite, sericite, chlorite, and epidote are the main gangue minerals. Micro-thermometric measurements in quartz crystals suggest that the ore-bearing veins were formed at temperatures ranging from 203 to 313 °C from fluids having salinities in the range of 2.3 to 11.3 wt% NaCl eq. The isotopic values of sulphur (δ34SH2S) vary from +2‰ to +4.3‰ indicating that the sulphur component of fluids was derived from magmatic origin. Oxygen isotopic values of hydrothermal fluids (δ18OH2O) vary from +10.9‰ to +11.3‰ which also indicate chiefly a magmatic source. The fluid inclusion and stable isotope data showed that boiling and mixing were two important factors in deposition of ore and gangue minerals. Mineralization at Gow-Kamar is reckoned to be as epithermal type with intermediate-sulphidation (IS) style. |
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