ANALYSIS ON THE URANIUM METALLOGENIC CONDITIONS OF SIFANGTAI FORMATION IN TAIKANG AREA, SONGLIAO BASIN
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摘要:
通过对泰康地区的铀源条件、构造条件、含矿建造地质特征以及氧化-还原条件等方面进行研究，综合分析了泰康地区四方台组砂岩型铀矿的成矿条件，认为盆地西部和北部的富铀岩体为其提供丰富的铀源，四方台组具有成矿所必需的泥-砂-泥结构，良好的补-径-排水文体系以及良好的氧化-还原条件.四方台组底部砂体中获得铀工业孔和铀矿化孔，显示出泰康地区四方台组在砂岩型铀成矿勘探方面具有较好的前景，找矿类型为层间氧化带型.
Abstract:Through the study of uranium source condition, tectonic setting, geological characteristics of ore-bearing formation and oxidation-reduction condition in Taikang area, the paper analyzes the metallogenic conditions of sandstone uranium deposit in Sifangtai Formation. It is considered that the uranium-rich rocks in the west and north of Songliao Basin provide abundant uranium source. The Sifangtai Formation necessarily has a mud-sand-mud structure, a good recharge-runoff-discharge system and oxidation-reduction condition for mineralization. The uranium industrial holes and mineralized holes are obtained in the sand body at the bottom of Sifangtai Formation, indicating a good prospect in mineralization and exploration of sandstone uranium with the prospecting type of interlayer oxidation zone.
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Key words:
- Sifangtai Formation /
- metallogenic condition /
- sandstone uranium deposit /
- Taikang area /
- Songliao Basin
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