石英ESR法物源示蹤:認識與進展
發(fā)布時間:2018-07-29 06:21
【摘要】:石英ESR法物源示蹤是一種新發(fā)展的沉積物源示蹤方法。目前,用于沉積物源示蹤研究的石英ESR信號心主要有熱處理E'心,自然E'心、Al心和Ti心。從研究實例來看,熱處理E'心、是物源示蹤研究運用最廣泛和最成熟的;自然E'心具有很好的應用前景;Al心和Ti心的物源示蹤指示意義還處于實驗觀察和理論探索階段。從研究對象來看,該方法已成功應用于東亞粉塵主要源區(qū)、黃土高原物源時空變化特征、日本群島風成沉積物源時空變化特征及日本海沉積物源示蹤的研究當中。此外,石英ESR法物源示蹤在定量或半定量分析河流沉積物源示蹤中也表現出了較好的應用前景。隨著石英ESR測年技術的不斷提高,該方法將在恢復區(qū)域性構造運動、地貌演化以及重建區(qū)域性的氣候演化歷史等方面具有獨特的優(yōu)勢。
[Abstract]:Quartz ESR source tracer is a newly developed tracing method of sediment source. At present, the quartz ESR signal center used in the tracer study of sediment source mainly has heat treatment E'heart, natural E' heart, Al heart and Ti heart. From the study case, the thermal treatment of E'heart is the most widely used and most mature application of the source tracer research; natural E' heart has a good application. The significance of the tracer indication of Al heart and Ti heart is still in the stage of experimental observation and theoretical exploration. From the object of study, this method has been successfully applied to the main source area of East Asian dust, the temporal and spatial variation of the source of the Loess Plateau, the temporal and spatial variation of the source of the Aeolian Sediments in the Japanese archipelago and the trace of the sediment source in the sea of Japan. In addition, the quartz ESR method source tracer also shows a good application prospect in quantitative or semi quantitative analysis of river sediment source tracers. With the continuous improvement of quartz ESR dating technology, this method will have unique advantages in restoring regional tectonic movement, geomorphic evolution and reconstructing regional climate evolution history.
【作者單位】: 中國地震局地質研究所地震動力學國家重點實驗室;中國地質大學(武漢)地球科學學院;生物地質與環(huán)境地質國家重點實驗室;Cluster
【基金】:中國地震局地質研究所地震動力學國家重點實驗室2016年度自主課題“石英ESR法物源示蹤在河流沉積物源示蹤中的探討及應用”(編號:LED2016A08) 國家自然科學基金項目“江漢盆地宜昌沖積扇物源解析與區(qū)域地貌演化”(編號:41671011)資助~~
【分類號】:P512.2;P575
本文編號:2151805
[Abstract]:Quartz ESR source tracer is a newly developed tracing method of sediment source. At present, the quartz ESR signal center used in the tracer study of sediment source mainly has heat treatment E'heart, natural E' heart, Al heart and Ti heart. From the study case, the thermal treatment of E'heart is the most widely used and most mature application of the source tracer research; natural E' heart has a good application. The significance of the tracer indication of Al heart and Ti heart is still in the stage of experimental observation and theoretical exploration. From the object of study, this method has been successfully applied to the main source area of East Asian dust, the temporal and spatial variation of the source of the Loess Plateau, the temporal and spatial variation of the source of the Aeolian Sediments in the Japanese archipelago and the trace of the sediment source in the sea of Japan. In addition, the quartz ESR method source tracer also shows a good application prospect in quantitative or semi quantitative analysis of river sediment source tracers. With the continuous improvement of quartz ESR dating technology, this method will have unique advantages in restoring regional tectonic movement, geomorphic evolution and reconstructing regional climate evolution history.
【作者單位】: 中國地震局地質研究所地震動力學國家重點實驗室;中國地質大學(武漢)地球科學學院;生物地質與環(huán)境地質國家重點實驗室;Cluster
【基金】:中國地震局地質研究所地震動力學國家重點實驗室2016年度自主課題“石英ESR法物源示蹤在河流沉積物源示蹤中的探討及應用”(編號:LED2016A08) 國家自然科學基金項目“江漢盆地宜昌沖積扇物源解析與區(qū)域地貌演化”(編號:41671011)資助~~
【分類號】:P512.2;P575
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