Knowledge Resource Center for Ecological Environment in Arid Area
| DOI | 10.1016/j.palaeo.2018.09.035 |
| Paleosols and their sedimentary setting in the Old Red succession of Podolia, Ukraine | |
| Kozlowska, Malgorzata | |
| 通讯作者 | Kozlowska, Malgorzata |
| 来源期刊 | PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY
 |
| ISSN | 0031-0182 |
| EISSN | 1872-616X |
| 出版年 | 2019 |
| 卷号 | 514页码:45-64 |
| 英文摘要 | Three types of paleosols have been recognized in the red siliciclastic Podolian Old Red succession in Ukraine gleyed/calcic and calcic vertisols, and calcic protosols. Both types of vertisols are characterized by the occurrence of pedogenic nodules, an illuvial clay horizon and slickensides. They have a pseudo-anticlinal and gilgai microrelief, which document the intensive swelling and shrinking of soils in semi-arid to sub-humid (monsoonal) climates with seasonal precipitation. Moreover, the gleyed/calcic vertisols contain rhizoliths with yellow-brownish/gray depletion zones and barite accumulations in the topsoil, which suggest the development of gleying processes and reduction conditions in water-logged soils. Spectral Gamma-Ray (SGR) measurements document a high content of potassium in the vertisols. XRD analysis shows the monotonous composition of the soils with the domination of quartz, illite, chlorite, mica, and with some admixture of illite-smectite mixed layers. The SGR measurements have revealed Th-enrichment being the effect of rainwater-induced downward transport of small grains of Th-bearing heavy minerals into the cracks and micropores during wet seasons. The calcic protosols are characterized by the accumulation of calcite nodules, small and irregularly dispersed within the matrix. They represent less mature, multi-storey, stacked paleosols in contrast to the mature vertisols. The variability of paleosol maturity has allowed the recognition of the relative distance to the fluvial channel. Less mature calcic protosols indicate formation during short-term episodes of landscape stability, interrupted by rapid aggradation of mud after flood events. These vertically stacked paleosols are typical of proximal flood plains. By contrast, both types of vertisols were formed on distal floodplains and their occurrence is associated with a lower frequency and thickness of crevasse splays and sheetflow deposits. They document stable and long-term weathering processes. The sedimentological investigations have revealed the fluvial architecture of the pedogenized Old Red succession in Podolia. |
| 英文关键词 | Vertisols Protosols Pedogenic nodules Th-enrichment SGR measurements |
| 类型 | Article |
| 语种 | 英语 |
| 国家 | Poland |
| 收录类别 | SCI-E |
| WOS记录号 | WOS:000456355800004 |
| WOS关键词 | EOCENE ALLUVIAL PALEOSOLS ; GAMMA-RAY LOGS ; CLAY MINERALOGY ; EBRO BASIN ; SEQUENCE ; THORIUM ; MARGIN ; ROCKS ; REDISTRIBUTION ; CLASSIFICATION |
| WOS类目 | Geography, Physical ; Geosciences, Multidisciplinary ; Paleontology |
| WOS研究方向 | Physical Geography ; Geology ; Paleontology |
| 资源类型 | 期刊论文 |
| 条目标识符 | http://119.78.100.177/qdio/handle/2XILL650/217857 |
| 作者单位 | Univ Warsaw, Fac Geol, Zwirki & Wigury 93, PL-02089 Warsaw, Poland |
| 推荐引用方式 GB/T 7714 | Kozlowska, Malgorzata. Paleosols and their sedimentary setting in the Old Red succession of Podolia, Ukraine[J],2019,514:45-64. |
| APA | Kozlowska, Malgorzata.(2019).Paleosols and their sedimentary setting in the Old Red succession of Podolia, Ukraine.PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY,514,45-64. |
| MLA | Kozlowska, Malgorzata."Paleosols and their sedimentary setting in the Old Red succession of Podolia, Ukraine".PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY 514(2019):45-64. |
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