Luminescence chronology of "Old Red Sand" in Jinjiang and its implications for optical dating of sediments in South China
文献类型：期刊论文
| 作者 | Zhang JiaFu1; Yuan BaoYin2; Zhou LiPing1 |
| 刊名 | CHINESE SCIENCE BULLETIN
 |
| 出版日期 | 2008-02-01 |
| 卷号 | 53期号:4页码:591-601 |
| 关键词 | "Old Red Sand" optical dating annual dose chemical weathering marine terrace Jinjiang |
| ISSN号 | 1001-6538 |
| DOI | 10.1007/s11434-008-0001-6 |
| 文献子类 | Article |
| 英文摘要 | A weathered deposit in South China is widespread on the coastal areas of Fujian and Guangdong provinces, China. This deposit consists of slightly cemented, medium-to fine-grained sands, and is characterized by its colors of red, brown red, light reddish brown or dark yellowish orange, and is usually called "Old Red Sand". The uncertainty in its formation age has been a major obstacle to the study of this type of deposit. In this paper, optically stimulated luminescence (OSL) techniques were used to date the "Old Red Sand" sediments from Jinjiang, Fujian Province, China. The effect of the geochemical behavior of uranium and thorium in sediment during chemical weathering on estimation of annual dose was investigated. The results show that the change in annual dose due to weathering poses a major problem for the optical dating of such weathered sediments. The optical dating of these weathered deposits will produce erroneous ages if average annual dose during burial cannot be correctly estimated. For the profiles studied, the OSL dates obtained on samples from the upper part do not represent the burial age of the samples. It is highly likely that they are underestimated due mainly to the accumulated radioactive elements as a result of chemical weathering. It is concluded that changes in annual dose due to chemical weathering must be considered when dating similar sediments in South China. With a detailed analysis of the OSL dating results, the chronology of the marine terraces in this area was suggested. The lowest terrace was formed at similar to 3.5 ka and the second terrace was dated to similar to 74 ka. The age of the highest terrace may not be established accurately, but is inferred to be older than the apparent OSL date of similar to 77 ka and so is the Paleolithic artifacts from it. |
| WOS关键词 | MARINE TERRACE SEDIMENTS ; STIMULATED LUMINESCENCE ; GEOCHEMICAL BEHAVIOR ; URANIUM ; QUARTZ ; SOILS ; THORIUM ; ACCUMULATION ; ENVIRONMENT ; MOUNTAINS |
| WOS研究方向 | Science & Technology - Other Topics |
| 语种 | 英语 |
| WOS记录号 | WOS:000252974500016 |
| 出版者 | SCIENCE CHINA PRESS |
| 源URL | [http://ir.iggcas.ac.cn/handle/132A11/69756]  |
| 专题 | 中国科学院地质与地球物理研究所 |
| 通讯作者 | Zhang JiaFu |
| 作者单位 | 1.Peking Univ, Dept Geog, Lab Earth Surface Proc, Beijing 100871, Peoples R China 2.Chinese Acad Sci, Inst Geol & Geophys, Beijing 100029, Peoples R China |
| 推荐引用方式 GB/T 7714 | Zhang JiaFu,Yuan BaoYin,Zhou LiPing. Luminescence chronology of "Old Red Sand" in Jinjiang and its implications for optical dating of sediments in South China[J]. CHINESE SCIENCE BULLETIN,2008,53(4):591-601. |
| APA | Zhang JiaFu,Yuan BaoYin,&Zhou LiPing.(2008).Luminescence chronology of "Old Red Sand" in Jinjiang and its implications for optical dating of sediments in South China.CHINESE SCIENCE BULLETIN,53(4),591-601. |
| MLA | Zhang JiaFu,et al."Luminescence chronology of "Old Red Sand" in Jinjiang and its implications for optical dating of sediments in South China".CHINESE SCIENCE BULLETIN 53.4(2008):591-601. |
入库方式： OAI收割
来源：地质与地球物理研究所
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