Deformation of terrace surfaces in the Bystrzyca River valley, central Sudetic Foreland, SW Poland

IF 1.2 4区地球科学 Q2 Earth and Planetary Sciences

Proceedings of the Geologists Association Pub Date : 2024-12-01 DOI:10.1016/j.pgeola.2024.09.002

Dariusz Krzyszkowski , Lucyna Wachecka-Kotkowska , Marcin Krawczyk , David Bridgland

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引用次数: 0

Abstract

This article addresses the development of Pleistocene terraces in the Bystrzyca River catchment (Sudetic Foreland, Southwestern Poland) in the vicinity of the Sudetic Marginal Fault, within the Roztoka–Mokrzeszów Graben. Nineteen research sites located within the Świdnica Plain are documented in this paper, representative of terraces of the Bystrzyca and its Piława and Witoszówka tributaries, with reporting on analyses of structure, grain size, petrography, quartz-grain morphoscopy, and heavy minerals. The Bystrzyca River, flowing in the largest and deepest valley in the Sowie Mountains, crossing the fault zone and extending into the Sudetic Foreland, has been influenced by significant tectonic and glacial events. During the Middle Pleistocene a fluvial piedmont fan was formed and survives as traces of higher-level (pre-Saalian) terraces. The main fluvial terraces are recognized as follows: an Upper Terrace, from the Saalian, a Middle Terrace from the Upper Pleistocene Last Glacial (Weichselian) and, in the valley bottom, a Lateglacial–Holocene Lower Terrace and a Holocene Lowermost Terrace. The sediments forming these terraces document a complex history of tectonic uplift, glacio-isostatic rebound, and climatic changes. Notable features include a sequence of alluvial fans and terraces shaped by neotectonic activity, particularly during the Late Quaternary.

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来源期刊

Proceedings of the Geologists Association 地学-地质学

CiteScore

2.70

自引率

8.30%

发文量

审稿时长

6-12 weeks

期刊介绍： The Proceedings of the Geologists'' Association is an international geoscience journal that was founded in 1859 and publishes research and review papers on all aspects of Earth Science. In particular, papers will focus on the geology of northwestern Europe and the Mediterranean, including both the onshore and offshore record. Following a long tradition, the PGA will focus on: i) a range of article types (see below) on topics of wide relevance to Earth Sciences ii) papers on aspects of Earth Science that have societal relevance including geoconservation and Earth management, iii) papers on palaeoenvironments and palaeontology of the Mesozoic and Cenozoic, iv) papers on aspects of Quaternary geology and climate change, and v) papers on the history of geology with particular reference to individuals that have shaped the subject. These topics will also steer the content of the themes of the Special Issues that are published in the PGA.