Tian, Mingming, Li, Ziying, Zhang, Yunlong, Jia, Licheng, Ning, Jun, Li, Jimu, He, Hanghang, Tang, Guolong (2023) Genetic Mechanism of Tabular-Shaped Orebody of the Hailijin Sandstone-Type Uranium Deposit in the Songliao Basin: Constraints on the Clay Mineralogy of Ore-Bearing Sandstone. Minerals, 13 (10) doi:10.3390/min13101324
| Reference Type | Journal (article/letter/editorial) | ||
|---|---|---|---|
| Title | Genetic Mechanism of Tabular-Shaped Orebody of the Hailijin Sandstone-Type Uranium Deposit in the Songliao Basin: Constraints on the Clay Mineralogy of Ore-Bearing Sandstone | ||
| Journal | Minerals | ||
| Authors | Tian, Mingming | Author | |
| Li, Ziying | Author | ||
| Zhang, Yunlong | Author | ||
| Jia, Licheng | Author | ||
| Ning, Jun | Author | ||
| Li, Jimu | Author | ||
| He, Hanghang | Author | ||
| Tang, Guolong | Author | ||
| Year | 2023 | Volume | < 13 > |
| Issue | < 10 > | ||
| URL | |||
| DOI | doi:10.3390/min13101324Search in ResearchGate | ||
| Generate Citation Formats | |||
| Classification | Not set | LoC | Not set |
| Mindat Ref. ID | 16881414 | Long-form Identifier | mindat:1:5:16881414:7 |
| GUID | 0 | ||
| Full Reference | Tian, Mingming, Li, Ziying, Zhang, Yunlong, Jia, Licheng, Ning, Jun, Li, Jimu, He, Hanghang, Tang, Guolong (2023) Genetic Mechanism of Tabular-Shaped Orebody of the Hailijin Sandstone-Type Uranium Deposit in the Songliao Basin: Constraints on the Clay Mineralogy of Ore-Bearing Sandstone. Minerals, 13 (10) doi:10.3390/min13101324 | ||
| Plain Text | Tian, Mingming, Li, Ziying, Zhang, Yunlong, Jia, Licheng, Ning, Jun, Li, Jimu, He, Hanghang, Tang, Guolong (2023) Genetic Mechanism of Tabular-Shaped Orebody of the Hailijin Sandstone-Type Uranium Deposit in the Songliao Basin: Constraints on the Clay Mineralogy of Ore-Bearing Sandstone. Minerals, 13 (10) doi:10.3390/min13101324 | ||
| In | Link this record to the correct parent record (if possible) | ||
| Abstract/Notes | The Hailijin (HLJ) sandstone-type uranium deposit was newly discovered in the southwestern Songliao Basin in recent years. Different from the roll-front orebody of the sandstone-type uranium deposits with (phreatic oxidation) interlayer redox origin (or phreatic oxidation), the orebody of the HLJ uranium deposit is tabular-shaped and multi-stratiform. The kaolinite content in ore-controlling gray sandstones is significantly higher than that in oxidized sandstones, which have the highest kaolinite content in the less oxidized zone of sandstone-type uranium deposits in the basins of western China (such as Yili Basin and Turpan-Hami Basin). In order to identify the properties of ore-forming fluids and the genesis of the tabular-shaped orebody of the HLJ uranium deposit, trace element, scanning electron microscopy (SEM), X-ray diffraction (XRD), and uranium mineral electron probe (EPMA) analyses of different geochemical zone sandstones in ore-bearing strata were carried out. As a result, kaolinite, illite, and illite/smectite formation (I/S) appear to alternate with one another in ore-controlling gray sandstones, and the content of kaolinite is the highest in ores. SEM analysis also suggests that uranium minerals are commonly adsorbed on the surface of foliated and vermicular kaolinite or trapped within micropores of kaolinite. In this case, it is inferred that kaolinite in ore-controlling gray sandstones is of epigenetic origin, and the ore-bearing sandstones have undergone at least one transformation of acidic fluids. Combined with the regional paleoclimate, regional tectonics, and regional burial history, it is concluded that the acidic fluid originated from the uranium-rich source rocks of the Lower Cretaceous Jiufotang Formation, and the tabular-shaped orebody of the HLJ uranium deposit was formed by exudative metallogeny. When the uranium-rich acidic organic fluids exuded upward from deep levels along the faults to the target strata, the solubility of uranium and other polymetallic elements decreased because of the decrease in temperature and pressure, and uranium eventually precipitated and accumulated in sandstones with suitable permeability and porosity. However, it cannot be ruled out that the superimposition and transformation of uranium mineralization was caused by phreatic oxidation or local interlayer redox during the interval of exudative metallogeny. | ||
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