摘要
本文论述了电子顺磁共振法测量岩石中结晶石英的顺磁中心浓度──辐射损伤法在层间氧化带砂岩型铀矿床中的应用；在层间氧化带中，氧化带岩石中的石英顺磁中心浓度高，铀含量低，即辐射损伤大，古轴量高，而氧化－还原过渡带中的石英顺磁中心浓度低，铀含量高，表明铀源来自氧化带岩石。由此可以探讨矿床成因和成矿物质来源，并用于找矿和成矿预测工作。
This paper expounds the radiation damage methed──using electron paramagnetic resonance (EPR)technique to measure the paramagnetic center concentration of crystalline quartz, as well as its application to the research of sandstone-hosted uranium deposits of interlayer oxidation type. Oxidized rocks in interlayer oxidation zone are characterized by higher paramagnetic center concentration and lower uranium content,i. e. larger radiation damage and higher initial uranium content,while rocks in oxidation-reduction zone have lower paramagnetic center concentration in quartz and higher uranium content,indicating that uranium might come from oxidized rocks. The above-mentioned technique may be applied in discussing the genesis and uranium source of deposits,as well as in prospecting and prognosis.
出处
《铀矿地质》
CAS
CSCD
1997年第6期359-363,共5页
Uranium Geology
关键词
辐射损伤
层间氧化带
矿床成因
铀矿床
找矿
Radiation damage, Paramagnetic center concentration, Interlayer oxidation zone,Genesis of deposit
