丹麦热释光/光释光测年仪-冠远科技

释光测年仪是对沉积物上一次曝光事件年代的测定。自20 世纪80 年代该方法提出以来,得到了越来越广泛的应用。相对于14C测年,光释光测年虽存在误差偏大的不足(一般5%~10%),但是具有以下明显优势：
① 其测年年限范围比前者大得多;
② 测年物质(石英或长石)丰富,这在干旱半干旱区的沙漠和湖泊中尤其重要,因为在这些地区很难找到可用于14C测年的有机质;
③ 是对沉积物的直接定年;
④ 测年事件包括曝光、受热(400 ℃以上)、火山、地震和晶体(方解石等)形成等.
论文总结：
Gong, Z., Li, B., and Li, S.-H., 2015, Further studies on the relationship betwee IRSL and BLSL at relatively high temperatures for potassium-feldspar from sediments: Journal of Luminescence, v. 159, p. 238-245.
Gong, Z., Sun, J., and Lü, T., 2015, Investigating the components of the optically stimulated luminescence signals of quartz grains from sand dunes in China: Quaternary Geochronology, v. 29, p. 48-57.
Gong, Z., Sun, J., Lü, T., and Tian, Z., 2014, Investigating the optically stimulated luminescence dose saturation behavior for quartz grains from dune sands in China: Quaternary Geochronology, v. 22, p. 137-143.
Lü, T., Sun, J., Li, S.-H., Gong, Z., and Xue, L., 2014, Vertical variations of luminescence sensitivity of quartz grains from loess/paleosol of Luochuan section in the central Chinese Loess Plateau since the last interglacial: Quaternary Geochronology, v. 22, p. 107-115.
Pengfei Wang, Jian Chen, Fuchu Dai, Wei Long, Chong Xu, Jimin Sun, Zhijiu Cui, 2014, Chronology of relict lake deposits around the Suwalong paleolandslide in the upper Jinsha River, SE Tibetan Plateau: Implications to Holocene tectonic perturbations