lead-uranium age method 铅铀年龄测定法
uranium isotope age 铀同位素年龄
uranium-lead age method 铀铅年龄测定法
uranium lead age 铀 ; 铅法测得的年龄
uranium series age method 铀系法 ; 铀系年龄测定法
uranium m age 铀年龄
uranium series age 铀系年龄
In this case the geologists drilled into the stalagmites and estimated their age from the way that uranium decays into an isotope of thorium.
地质学家在石笋上钻孔，使用铀衰变成钍的同位素的方法确定它们的年龄。
The measurement of the decay of radioactive isotopes, especially uranium, strontium, rubidium, argon and carbon, has allowed geologists to more precisely determine the age of rock formations.
对放射性同位素衰变的测量，尤其是铀、锶、铷、氩和碳，可允许地质学家更精确地确定岩层的年龄。
Due to the young age of interlayer oxidation and unsatisfied uranium sources, uranium metallogenic prospect of this area need more research and exploration.
但由于该区的层间氧化带形成的时代较新，且成矿的铀源条件相对较差，因此，该区黄色层间氧化带的成矿前景还需进一步探索。
应用推荐