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Sedimentary Facies Distribution and Uranium Mineralization Potential under Control of Sequence Stratigraphy in Kelulun Sag, Hailar Basin
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Hong-feng WAN, Wen-bo ZHOU*, Chang-hong WANG, Ya-nan CUI, Rong ZHANG, Shu-guang ZHAO
Science Technology and Engineering | 2025, 25(20) : 8410 - 8423
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Science Technology and Engineering | 2025, 25(20): 8410-8423
• Papers·Astronomy and Geosciences •
Sedimentary Facies Distribution and Uranium Mineralization Potential under Control of Sequence Stratigraphy in Kelulun Sag, Hailar Basin
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Hong-feng WAN, Wen-bo ZHOU*, Chang-hong WANG, Ya-nan CUI, Rong ZHANG, Shu-guang ZHAO
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  • Geological Party No.243, CNNC, Chifeng 024000, China
Published: 2025-07-18 doi: 10.12404/j.issn.1671-1815.2406242
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In order to find out the uranium metallogenic potential of the Lower Cretaceous in Kelulun Sag of Hailar Basin, the spatial distribution of sequence stratigraphy, types and distribution characteristics of sedimentary facies and favorable spatial location of uranium enrichment in the area were studied by using sequence stratigraphy and sedimentary facies analysis methods based on core, logging and seismic data. The results show that the third-order and fourth-order sequence stratigraphic division marks of the target strata in the Kelulun Sag are determined. The target strata are divided into one super sequence, two three-order sequences and four fourth-order sequences, and the distribution characteristics of sequence stratigraphy are clarified. The sedimentary system of fan delta-lacustrine facies is mainly developed in the target layer in the area. The sedimentary facies plane has the characteristics of near source, fast phase change and small distribution range. The braided channel sand bodies of the fan delta plain and the underwater distributary channel sand bodies of the fan delta front have good uranium metallogenic potential.

uranium metallogenic potential  /  sedimentary facies  /  sequence stratigraphy  /  Lower Cretaceous  /  the Kelulun Sag
Hong-feng WAN, Wen-bo ZHOU, Chang-hong WANG, Ya-nan CUI, Rong ZHANG, Shu-guang ZHAO. Sedimentary Facies Distribution and Uranium Mineralization Potential under Control of Sequence Stratigraphy in Kelulun Sag, Hailar Basin[J]. Science Technology and Engineering, 2025 , 25 (20) : 8410 -8423 . DOI: 10.12404/j.issn.1671-1815.2406242
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Year 2025 volume 25 Issue 20
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Article Info
doi: 10.12404/j.issn.1671-1815.2406242
  • Receive Date：2024-08-21
  • Online Date：2026-05-13
  • Published：2025-07-18
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  • Received：2024-08-21
  • Revised：2025-04-23
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    Geological Party No.243, CNNC, Chifeng 024000, China
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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