Exploration Targeting in the Shadan Porphyry Gold–Copper Deposit, Lut Block, Iran: Analysis of Spatial Distribution of Sheeted Veins and Lithogeochemical Data
The Lut Block is a potential porphyry-style mineralized region in Iran including the well-explored Shadan porphyry gold-copper deposit, which has an extensive zone of gold- and copper-bearing stockwork-like sheeted veins. The structural setting of this deposit is a key to understanding the genesis o...
| Main Authors: | , , , , , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
MDPI AG
2023-03-01
|
| Series: | Minerals |
| Subjects: | |
| Online Access: | https://www.mdpi.com/2075-163X/13/4/471 |
| _version_ | 1797604146519474176 |
|---|---|
| author | Davood Raeisi Saeid Hajsadeghi Elham Hosseinzadehsabeti Shahrouz Babazadeh David R. Lentz M. Santosh |
| author_facet | Davood Raeisi Saeid Hajsadeghi Elham Hosseinzadehsabeti Shahrouz Babazadeh David R. Lentz M. Santosh |
| author_sort | Davood Raeisi |
| collection | DOAJ |
| description | The Lut Block is a potential porphyry-style mineralized region in Iran including the well-explored Shadan porphyry gold-copper deposit, which has an extensive zone of gold- and copper-bearing stockwork-like sheeted veins. The structural setting of this deposit is a key to understanding the genesis of the mineralization. Our field studies show that the mineralization occurs as steeply dipping ore bodies along NW–SE transpressional faults. The zones with a high frequency of veins and volume of veins have a NW–SE trend, which is closely related to transpressional faults. We propose that such a compressional regime inhibits focused ore-forming fluid flow to higher levels in the crust. After a local change in stress field, fluid depressurization and channeling along transpressional faults generated the sheeted veins. This indicates an important role of these transpressional faults in focusing and controlling mineralization within this porphyry deposit, which has important implications for the exploration of porphyry deposits on a regional scale. The spatial distribution of sheeted veins is used to examine gold anomalies from lithogeochemical data extracted by fractal models. The results show that a combination of high vein density and high vein volume areas with gold anomalies could result in identifying areas with greater potential at the deposit to regional scale. |
| first_indexed | 2024-03-11T04:42:14Z |
| format | Article |
| id | doaj.art-19f488a537304f978815e331c55e4089 |
| institution | Directory Open Access Journal |
| issn | 2075-163X |
| language | English |
| last_indexed | 2024-03-11T04:42:14Z |
| publishDate | 2023-03-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Minerals |
| spelling | doaj.art-19f488a537304f978815e331c55e40892023-11-17T20:35:09ZengMDPI AGMinerals2075-163X2023-03-0113447110.3390/min13040471Exploration Targeting in the Shadan Porphyry Gold–Copper Deposit, Lut Block, Iran: Analysis of Spatial Distribution of Sheeted Veins and Lithogeochemical DataDavood Raeisi0Saeid Hajsadeghi1Elham Hosseinzadehsabeti2Shahrouz Babazadeh3David R. Lentz4M. Santosh5School of Geology, College of Science, University of Tehran, Tehran 14155-6455, IranSchool of Mining Engineering, College of Engineering, University of Tehran, Tehran 14155-6455, IranIndependent Researcher, Salt Lake City, UT 84112, USAResearch Institute for Earth Sciences, Geological Survey of Iran, Tehran 13185-1494, IranDepartment of Earth Sciences, University of New Brunswick, Fredericton, NB E3B 5A3, CanadaSchool of Earth Science and Resources, China University of Geosciences, Beijing 100083, ChinaThe Lut Block is a potential porphyry-style mineralized region in Iran including the well-explored Shadan porphyry gold-copper deposit, which has an extensive zone of gold- and copper-bearing stockwork-like sheeted veins. The structural setting of this deposit is a key to understanding the genesis of the mineralization. Our field studies show that the mineralization occurs as steeply dipping ore bodies along NW–SE transpressional faults. The zones with a high frequency of veins and volume of veins have a NW–SE trend, which is closely related to transpressional faults. We propose that such a compressional regime inhibits focused ore-forming fluid flow to higher levels in the crust. After a local change in stress field, fluid depressurization and channeling along transpressional faults generated the sheeted veins. This indicates an important role of these transpressional faults in focusing and controlling mineralization within this porphyry deposit, which has important implications for the exploration of porphyry deposits on a regional scale. The spatial distribution of sheeted veins is used to examine gold anomalies from lithogeochemical data extracted by fractal models. The results show that a combination of high vein density and high vein volume areas with gold anomalies could result in identifying areas with greater potential at the deposit to regional scale.https://www.mdpi.com/2075-163X/13/4/471Shadanporphyry gold–copper depositexploration targetingfractal model |
| spellingShingle | Davood Raeisi Saeid Hajsadeghi Elham Hosseinzadehsabeti Shahrouz Babazadeh David R. Lentz M. Santosh Exploration Targeting in the Shadan Porphyry Gold–Copper Deposit, Lut Block, Iran: Analysis of Spatial Distribution of Sheeted Veins and Lithogeochemical Data Minerals Shadan porphyry gold–copper deposit exploration targeting fractal model |
| title | Exploration Targeting in the Shadan Porphyry Gold–Copper Deposit, Lut Block, Iran: Analysis of Spatial Distribution of Sheeted Veins and Lithogeochemical Data |
| title_full | Exploration Targeting in the Shadan Porphyry Gold–Copper Deposit, Lut Block, Iran: Analysis of Spatial Distribution of Sheeted Veins and Lithogeochemical Data |
| title_fullStr | Exploration Targeting in the Shadan Porphyry Gold–Copper Deposit, Lut Block, Iran: Analysis of Spatial Distribution of Sheeted Veins and Lithogeochemical Data |
| title_full_unstemmed | Exploration Targeting in the Shadan Porphyry Gold–Copper Deposit, Lut Block, Iran: Analysis of Spatial Distribution of Sheeted Veins and Lithogeochemical Data |
| title_short | Exploration Targeting in the Shadan Porphyry Gold–Copper Deposit, Lut Block, Iran: Analysis of Spatial Distribution of Sheeted Veins and Lithogeochemical Data |
| title_sort | exploration targeting in the shadan porphyry gold copper deposit lut block iran analysis of spatial distribution of sheeted veins and lithogeochemical data |
| topic | Shadan porphyry gold–copper deposit exploration targeting fractal model |
| url | https://www.mdpi.com/2075-163X/13/4/471 |
| work_keys_str_mv | AT davoodraeisi explorationtargetingintheshadanporphyrygoldcopperdepositlutblockirananalysisofspatialdistributionofsheetedveinsandlithogeochemicaldata AT saeidhajsadeghi explorationtargetingintheshadanporphyrygoldcopperdepositlutblockirananalysisofspatialdistributionofsheetedveinsandlithogeochemicaldata AT elhamhosseinzadehsabeti explorationtargetingintheshadanporphyrygoldcopperdepositlutblockirananalysisofspatialdistributionofsheetedveinsandlithogeochemicaldata AT shahrouzbabazadeh explorationtargetingintheshadanporphyrygoldcopperdepositlutblockirananalysisofspatialdistributionofsheetedveinsandlithogeochemicaldata AT davidrlentz explorationtargetingintheshadanporphyrygoldcopperdepositlutblockirananalysisofspatialdistributionofsheetedveinsandlithogeochemicaldata AT msantosh explorationtargetingintheshadanporphyrygoldcopperdepositlutblockirananalysisofspatialdistributionofsheetedveinsandlithogeochemicaldata |