| 1. | Geochronology of the altun fault zone and rising of the altun mountains 阿尔金断裂带年代学和阿尔金山隆升 |
| 2. | Zircon geochronology and ree in leucosome of neoproterozoic granite gneiss , jiaonan area 胶南新元古代花岗片麻岩中淡色脉体的锆石年代学和稀土元素研究 |
| 3. | The laser microprobe dating drives k - ar geochronology into a new milestone at the end of 20th century 20世纪末激光显微探针定年把k - ar年代学推向了新的里程碑 |
| 4. | Nevertheless , the geochronology research in this area in the past is inadequate in both quantity and quality 然而,过去该区的同位素年代学研究工作无论在数量和质量上都显得不足。 |
| 5. | Fission track geochronology of xiaonanchuan pluton and the morphotectonic evolution of eastern kunlun since late miocene 东昆仑山小南川岩体裂变径迹年代与中新世晚期以来的构造地貌演化 |
| 6. | Zircon u - pb geochronology of granulites in panzhihua - xichang area : new evidence for the neoproterozoic geological evolution in the western margin of yangtze block 新元古代扬子陆块西缘地质演化新证据 |
| 7. | The author summarizes the distribution law of gold deposits of fujian in space and time and studies the metallogenic epoch using the method of isotopic geochronology and geologic analysis 总结了金矿的时空分布规律,采用同位素测年和地质分析相结合的方法研究福建省金矿的成矿年代。 |
| 8. | A large number of studies of geochronology and geochemistry indicate that mesozoic intermediate - felsic rocks from the dabie orogen have originated from recycling of the subducted yangtze continental crust itself 摘要大量的同位素地质年代学和地球化学研究表明,大别山中生代中酸性岩为俯冲扬子陆壳再循环的产物。 |
| 9. | Geochronology research on the volcanic rock profile of the gazha cun group in the wuyii basin indicates that the 40ar - 39ar age of the post - collision volcanic rock is 12 - 14ma . and the granite that cut the volcanic rock is 10 . 84ma 羊应乡火山岩样品中透长石及黑云母的~ ( 40 ) ar - ~ ( 39 ) ar定年结果确认该区存在后碰撞火山岩,其喷发年龄在11ma左右。 |
| 10. | K - ar age dating method is facing a serious challenge to its application due to that both ar loss and ar excess are widespread found even though it has been undergoing 50 years . in the latest few years of the 20th century , studies on k - ar geochronology have been pushing on a new step as a sign of method perfected and precision enhanced . high precision and high resolution Ar定年方法的完善和精度的提高为标志,把k - ar年代学研究推向了一个新高度。微区微量高精度高分辨定年,把定年时限扩展到人类历史范畴,精细的分析技术拓宽了年代学的应用范围,使之解决的地质问题更广泛。 |