Quaternary International最新文献_第8页

Reassessing the Middle Palaeolithic lithic technology of Grotta Romanelli (Lecce, southern Italy) 古罗塔·罗曼内利（意大利南部莱切）旧石器时代中期石器技术的再评估

IF 1.9 3区地球科学

Quaternary International Pub Date : 2025-02-21 DOI: 10.1016/j.quaint.2025.109686

Brunella Muttillo , Rosalia Gallotti , Luca Forti , Giuseppe Lembo , Ilaria Mazzini , Pierluigi Pieruccini , Raffaele Sardella

{"title":"Reassessing the Middle Palaeolithic lithic technology of Grotta Romanelli (Lecce, southern Italy)","authors":"Brunella Muttillo , Rosalia Gallotti , Luca Forti , Giuseppe Lembo , Ilaria Mazzini , Pierluigi Pieruccini , Raffaele Sardella","doi":"10.1016/j.quaint.2025.109686","DOIUrl":"10.1016/j.quaint.2025.109686","url":null,"abstract":"<div><div>Located in the southernmost part of the Italian Peninsula, specifically the Salento area in the Apulia region, Grotta Romanelli (Lecce) is one of Italy's most significant Palaeolithic sites. It shows evidence of human occupation from the Middle to the late Upper Palaeolithic.</div><div>This study presents a re-analysis of historical lithic collections and also includes a new analysis of artefacts from recent excavations within Middle Palaeolithic Inside Stratigraphic Unit 3 (ISU3). This unit, formerly referred to as level G or “terre rosse”, is dated to at least the MIS 5 interglacial period.</div><div>Our findings offer a revised perspective on past interpretations of Grotta Romanelli's Middle Palaeolithic lithic industry. Interpretations of this industry have varied over time, especially regarding the presence of Levallois core technology — an important cultural and chronological marker.</div><div>The initial classification in the 1970s described the assemblage as Charentian Mousterian of Quina type, characterized by the absence of Levallois technology and the exclusive use of local materials. However, studies from the 2000s suggested a predominance of Levallois technology, along with a noteworthy, albeit limited, use of non-local materials.</div><div>Our lithic analysis suggests instead a focus on expedient flake production using exclusively locally available raw materials, with no evidence of the Levallois method.</div><div>These results contrast with previous hypotheses, indicating a distinctive role for Grotta Romanelli's lithic technology within the Middle Palaeolithic cultural framework of southern Italy.</div></div>","PeriodicalId":49644,"journal":{"name":"Quaternary International","volume":"721 ","pages":"Article 109686"},"PeriodicalIF":1.9,"publicationDate":"2025-02-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143454670","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

The large lithic assemblage of Gombore I, level B (Melka Kunture, Ethiopia) and the early Acheulean technology in East Africa Gombore I， B级（Melka Kunture，埃塞俄比亚）大型岩屑组合和东非早期阿舍利技术

IF 1.9 3区地球科学

Quaternary International Pub Date : 2025-02-18 DOI: 10.1016/j.quaint.2025.109685

Eduardo Méndez-Quintas , Andrea Serodio Domínguez , Margherita Mussi

{"title":"The large lithic assemblage of Gombore I, level B (Melka Kunture, Ethiopia) and the early Acheulean technology in East Africa","authors":"Eduardo Méndez-Quintas , Andrea Serodio Domínguez , Margherita Mussi","doi":"10.1016/j.quaint.2025.109685","DOIUrl":"10.1016/j.quaint.2025.109685","url":null,"abstract":"<div><div>The emergence of the Acheulean is a central topic in human evolution research. Current data suggest that this process began around 2.0 million years ago in the upper Awash River basin, specifically on the Ethiopian plateau, in the region of Melka Kunture. There are so far few known sites of the early stages of development of this technocomplex, most of which are restricted to East Africa. Although some of the major milestones in Acheulean stone tool innovations are reasonably well understood, detailed information on the technological characteristics of these early assemblages remains sparse. Most of the evidence is surface materials collected in small numbers. The site of Gombore I Level B (Melka Kunture, Ethiopia) is one of the few Early Acheulean sites that has been extensively excavated and retains a substantial collection of stone tools. Analysis of the record reveals that they retain many features typical of the Oldowan technology, such as the extensive use of core-and-flake methods. However, they also exhibit decisive innovations that extend beyond the production of large flakes or the shaping of handaxes. Among these are the spatial segmentation of operational sequences, the increased complexity in the selection of raw materials and the retouching of tools, as well as the emergence of complex flake production systems, such as the Kombewa and Prepared Core Technology.</div></div>","PeriodicalId":49644,"journal":{"name":"Quaternary International","volume":"722 ","pages":"Article 109685"},"PeriodicalIF":1.9,"publicationDate":"2025-02-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143437755","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Isotopic insights into mammalian diets and local vegetation cover during the Oldowan-Acheulean transition at Garba IV and Gombore I (Melka Kunture, Upper Awash Valley, Ethiopia) Garba IV和Gombore I （Melka Kunture，上阿瓦什山谷，埃塞俄比亚）Oldowan-Acheulean过渡时期哺乳动物饮食和当地植被覆盖的同位素研究

IF 1.9 3区地球科学

Quaternary International Pub Date : 2025-02-18 DOI: 10.1016/j.quaint.2025.109707

Giuseppe Briatico

{"title":"Isotopic insights into mammalian diets and local vegetation cover during the Oldowan-Acheulean transition at Garba IV and Gombore I (Melka Kunture, Upper Awash Valley, Ethiopia)","authors":"Giuseppe Briatico","doi":"10.1016/j.quaint.2025.109707","DOIUrl":"10.1016/j.quaint.2025.109707","url":null,"abstract":"<div><div>The archaeological assemblage of Melka Kunture (MK) demonstrates that the Ethiopian Highlands in eastern Africa, along with its high-elevation paleoenvironment, is pivotal for understanding early hominins’ behavior and technological advances. Two localities within the MK site-complex, namely Garba IV and Gombore I, yielded Oldowan lithic tools at ∼2 million years ago (Ma) and the earliest known Acheulian artifacts at 1.95 Ma, associated with <em>Homo erectus</em> remains, as well as evidence of paleofauna and paleoflora. Previous palynological studies suggest that, when <em>H</em>. <em>erectus</em> first produced Oldowan and later Acheulean artifacts, the vegetation consisted of the Dry evergreen Afromontane Forest and Grassland Complex (DAF) type, with changes in the proportions of open and wooded environments over time. However, previous isotopic analysis indicated that the changes in vegetation composition did not influence animal feeding behavior, with C<sub>4</sub>-dominated and mixed C<sub>3</sub>-C<sub>4</sub> diets and their habitat partitioning. In order to further refine the ecological reconstruction of the Oldowan and Acheulean contexts in the Ethiopian Highlands, this paper presents an intra-site isotopic analysis of the archaeological levels at Garba IV and Gombore I. Isotopic data indicate no statistically significant differences between the Oldowan and Acheulean contexts; overall, the combination of pollen, faunal and isotopic evidence suggests local ecological stability associated with a mosaic montane vegetation containing both C<sub>3</sub> and C<sub>4</sub> grasses. This study demonstrates that the information collected so far does not support any purported link between technological and major ecological changes, at least in the case of MK in the Ethiopian Highlands.</div></div>","PeriodicalId":49644,"journal":{"name":"Quaternary International","volume":"722 ","pages":"Article 109707"},"PeriodicalIF":1.9,"publicationDate":"2025-02-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143437756","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Wood utilization and paleo-vegetation revealed by wooden remains excavated from ancient Dahe City site (AD 618–907) in Barkol, Xinjiang, northwest China 新疆巴里克尔大河古城（公元618-907年）木器遗存揭示的木材利用与古植被

IF 1.9 3区地球科学

Quaternary International Pub Date : 2025-02-07 DOI: 10.1016/j.quaint.2025.109684

Ruohan Wang , Guilin Zhang , Yongqiang Wang , Biao Pan , Guolei Dun , Youcheng Xu , Hongen Jiang

{"title":"Wood utilization and paleo-vegetation revealed by wooden remains excavated from ancient Dahe City site (AD 618–907) in Barkol, Xinjiang, northwest China","authors":"Ruohan Wang , Guilin Zhang , Yongqiang Wang , Biao Pan , Guolei Dun , Youcheng Xu , Hongen Jiang","doi":"10.1016/j.quaint.2025.109684","DOIUrl":"10.1016/j.quaint.2025.109684","url":null,"abstract":"<div><div>The Dahe City, dating back to Tang Dynasty (AD 618–907), is a vital urban center and military site located in the northern foothill of the East Tianshan Mountains, Xinjiang, China. In present study, by scanning electron microscope (SEM) observation of microscopic features, desiccated wood and charred wood samples recovered from diverse archaeological contexts (crossbars, house sites, doorways and ash piles) of the site were determined as <em>Picea</em> sp. (52.82%), <em>Salix</em> sp. (27.63%), <em>Larix</em> sp. (13.91%), <em>Sorbus</em> sp. (5.45%), and <em>Abies</em> sp. (0.19%). All these tree species were used as fuelwood, while only the wood of <em>Picea</em> was preferably used as construction timber because of its superior property. According to growth habits and distributional characteristics of each genus, wood of <em>Salix</em> should be collected from the local Barkol Basin, and wood of <em>Picea</em>, <em>Larix</em>, <em>Abies</em>, and <em>Sorbus</em> were collected from the distant Barkol and Moqinwula Mountains, which implied that the scope of wood material selection was largely expanded due to usage requirement. In addition, the discovery of <em>Sorbus</em> proved that fruits were collected/planted as an important food supplement in daily life. Compared with modern vegetation, there was no significant change of primary forest composition in high-altitude mountains. This study would provide an important reference for exploring survival strategy and subsistence environment of ancestors living in the core area of the Silk Road during Tang Dynasty.</div></div>","PeriodicalId":49644,"journal":{"name":"Quaternary International","volume":"721 ","pages":"Article 109684"},"PeriodicalIF":1.9,"publicationDate":"2025-02-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143338293","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

The volcanic rock spheres of Melka Kunture (Upper Awash, Ethiopia) at Gombore IB and later Acheulean sites Gombore IB和后来的阿舍利遗址的Melka Kunture（上阿瓦什，埃塞俄比亚）的火山岩球体

IF 1.9 3区地球科学

Quaternary International Pub Date : 2025-02-06 DOI: 10.1016/j.quaint.2025.109681

Margherita Mussi

引用次数: 0

Late glacial and Holocene vegetation history and climate oscillations – Preliminary pollen data from lake Boczne, NE Poland 晚冰期和全新世植被史与气候振荡——波兰东北部Boczne湖的初步花粉资料

IF 1.9 3区地球科学

Quaternary International Pub Date : 2025-02-05 DOI: 10.1016/j.quaint.2025.109682

Magdalena Fiłoc , Edyta Żuk-Kempa , Mirosława Kupryjanowicz

{"title":"Late glacial and Holocene vegetation history and climate oscillations – Preliminary pollen data from lake Boczne, NE Poland","authors":"Magdalena Fiłoc , Edyta Żuk-Kempa , Mirosława Kupryjanowicz","doi":"10.1016/j.quaint.2025.109682","DOIUrl":"10.1016/j.quaint.2025.109682","url":null,"abstract":"<div><div>This study was based on pollen data collected at Lake Boczne, NE Poland, and radiocarbon dating. Vegetation changes at the end of the last glacial period (Late Weichselian, Late Vistulian) and the during Holocene were documented. Due to specific location in a climate temperate transitional, this region is an interesting area for palaeoecological study. Therefore, the aim of the article was to indicate stadial-interstadial changes, short-term climatic fluctuations and the impact of human activity, which will allow for more detailed analyses of selected sections in the near future.</div><div>The Late Glacial record suggests the presence of sedimentary gaps and contamination of sediments that make interpretations of this period difficult. During the Early and Middle Holocene, the reconstructed changes in plant communities and pollen production indicate the presence of six potential short-lasting negative climate events, including the Early and Late Peboreal Oscillations, the 9.3 ka event rarely identified in records, and the most often described 8.2 ka event. The pollen record and radiocarbon dates indicate a hiatus lasting around 2200 years at the Middle/Late Holocene transition (between ca. 5000 and 3000 cal yr PB), which may have been caused by 2.8 ka global cooling or by human activity. After this gap, the Late Holocene record of vegetation changes illustrates human activity dynamic starting from the Roman Period. Our study is important because it is extremely rare to document vegetation changes for several intra-Holocene climatic oscillations in one profile, and studies at sensitive site allow the assessment of vegetation responses to different-scale climatic anomalies.</div></div>","PeriodicalId":49644,"journal":{"name":"Quaternary International","volume":"720 ","pages":"Article 109682"},"PeriodicalIF":1.9,"publicationDate":"2025-02-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143168714","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Mobility and subsistence change as synchronous adaptation during Holocene climate amelioration: Integrated evidence from the early Holocene Xinglong occupation, southeastern Mongolian Plateau (China) 全新世气候改善过程中人口流动与生存变化的同步适应——来自蒙古高原东南部早全新世兴隆地区的综合证据

IF 1.9 3区地球科学

Quaternary International Pub Date : 2025-02-05 DOI: 10.1016/j.quaint.2025.109687

Yumeng Qu

{"title":"Mobility and subsistence change as synchronous adaptation during Holocene climate amelioration: Integrated evidence from the early Holocene Xinglong occupation, southeastern Mongolian Plateau (China)","authors":"Yumeng Qu","doi":"10.1016/j.quaint.2025.109687","DOIUrl":"10.1016/j.quaint.2025.109687","url":null,"abstract":"<div><div>In the southeastern Mongolian Plateau, climate records show drastic changes during the early Holocene and ecological environment underwent extensive amelioration. Meanwhile, a marked decline in residential mobility and an increase in occupational intensity suggest that hunter-gatherers in this region underwent important shifts in their subsistence strategies. This paper examines climate variability and environmental changes during the early Holocene (8.7–7.1 cal ka BP) and their impact on subsistence strategies at the Xinglong site by integrating archaeological, paleoenvironmental, macrobotanical, and faunal assemblage data. These chronologies indicate synchronous changes in climate amelioration, reduced mobility, a notable rise in the consumption of large ungulates, and a modest increase in millet cultivation. These multiple lines of evidence indicate that the warmer and wetter climate facilitated widespread forest expansion, leading to the formation of biomass-rich ecotones in the southeastern Mongolian Plateau. The forest-steppe environment enhanced the distribution and abundance of ungulates and caused resource amelioration likely enabled hunter-gatherers to decrease their residential mobility and concentrate on a narrower foraging spectrum. Millet cultivation was developing and was likely the concomitant of more settled lifeways, but millet starch could have been exploited at a very low level and contributed only minimally to the local economy.</div></div>","PeriodicalId":49644,"journal":{"name":"Quaternary International","volume":"721 ","pages":"Article 109687"},"PeriodicalIF":1.9,"publicationDate":"2025-02-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143102817","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Treeline history in Northwestern Chukotka during the Last Interglacial and Holocene 末次间冰期和全新世楚科奇西北部的树线历史

IF 1.9 3区地球科学

Quaternary International Pub Date : 2025-02-01 DOI: 10.1016/j.quaint.2025.109666

Sergey Vartanyan , Gleb Danilov , Dmtiry Gromyko , Fedor Maksimov , Alexei Oskolski , Diana Solovyeva , Valeriya Tsigankova

{"title":"Treeline history in Northwestern Chukotka during the Last Interglacial and Holocene","authors":"Sergey Vartanyan , Gleb Danilov , Dmtiry Gromyko , Fedor Maksimov , Alexei Oskolski , Diana Solovyeva , Valeriya Tsigankova","doi":"10.1016/j.quaint.2025.109666","DOIUrl":"10.1016/j.quaint.2025.109666","url":null,"abstract":"<div><div>The fluctuations of the forest/tundra boundary are among the most significant indicators of climate change in the Arctic. The most reliable information regarding the historical position of this boundary is obtained through spatial-temporal analysis of wood remains collected from permafrost deposits. We conducted extensive research in the tundra zone of northwestern Chukotka, aiming to establish a comprehensive collection of fossil wood samples; to identify these samples to the genus/species levels; and to date samples through radiocarbon dating (over 60 dates) and uranium-thorium methods.</div><div>Our findings demonstrate that trees extended into the present tundra zone in the Rauchua-Chaun Lowland at least twice during the Last Interglacial and the Holocene. During the Last Interglacial (MIS-5), larch forests (taiga) interspersed with birch were prevalent in what is now tundra. In the early Holocene (11,000–8700 cal BP), riparian forests featuring willow, сhosenia, and poplar, along with tree birch, thrived in river valleys.</div></div>","PeriodicalId":49644,"journal":{"name":"Quaternary International","volume":"718 ","pages":"Article 109666"},"PeriodicalIF":1.9,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143177316","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Solar forcing as driver for late Holocene rainfall intensity in the Peruvian Andes 太阳强迫是秘鲁安第斯山脉晚全新世降雨强度的驱动因素

IF 1.9 3区地球科学

Quaternary International Pub Date : 2025-02-01 DOI: 10.1016/j.quaint.2024.109647

Karsten Schittek , Jan Wowrek , Nicolas Käuffer , Markus Reindel , Bertil Mächtle

{"title":"Solar forcing as driver for late Holocene rainfall intensity in the Peruvian Andes","authors":"Karsten Schittek , Jan Wowrek , Nicolas Käuffer , Markus Reindel , Bertil Mächtle","doi":"10.1016/j.quaint.2024.109647","DOIUrl":"10.1016/j.quaint.2024.109647","url":null,"abstract":"<div><div>This study presents a high-resolution palaeoclimate record from sediment cores collected from the siltation area of Laguna Comercocha (LC) in southern Peru, spanning the last 1070 cal years. The primary objective was to investigate climatic variations and environmental changes before, during and after the Little Ice Age (LIA) in the central Andes, with particular emphasis on precipitation patterns and their relation to solar forcing. The extracted core provided a continuous sedimentary archive, offering insights into climate variability on sub-centennial to inter-decadal timescales. The methodology included analysing the sediment cores using X-ray fluorescence (XRF) to measure the concentrations of allogenic elements such as titanium (Ti), silicon (Si), potassium (K), iron (Fe) and calcium (Ca). Ti/coh ratios served as proxy for effective rainfall and runoff from the local catchment. In addition, pollen and non-pollen palynomorphs (NPPs) were identified and quantified to reconstruct past vegetation and climatic conditions. The study revealed that lithogenic input to the LC increased significantly after 1150 cal yr AD, likely due to increased precipitation. In particular, periods of increased lithogenic input were identified during the LIA, corresponding to solar minima and pointing to solar forcing as a major driver of precipitation changes in the central Andes.</div></div>","PeriodicalId":49644,"journal":{"name":"Quaternary International","volume":"718 ","pages":"Article 109647"},"PeriodicalIF":1.9,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143177312","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Spatial variability of Holocene sediments in light studies of cores from the Arkona Basin, south-western Baltic Sea 波罗的海西南部Arkona盆地全新世沉积物的空间变异特征

IF 1.9 3区地球科学

Quaternary International Pub Date : 2025-02-01 DOI: 10.1016/j.quaint.2024.109648

Robert Kostecki , Beata Janczak-Kostecka , Michael Endler

{"title":"Spatial variability of Holocene sediments in light studies of cores from the Arkona Basin, south-western Baltic Sea","authors":"Robert Kostecki , Beata Janczak-Kostecka , Michael Endler","doi":"10.1016/j.quaint.2024.109648","DOIUrl":"10.1016/j.quaint.2024.109648","url":null,"abstract":"<div><div>Presented studies performed on two gravity cores with acoustic profiles, new radiocarbon dates from macrofossils, and results from previous studies, have outlined the spatial variability of Arkona Basin sediments. Analyses of diatoms, grain size, and geochemistry revealed characteristics of the depositional environment developed during the Ancylus and Littorina stages. New geochemical data, along with previous results from western Arkona Basin using the PCA method, revealed division sediments across three groups, explained by terrigenous silica, organic matter, and calcium content factors. The grain size distribution together with geochemical parameters confirmed the existence of the erosional brackish-water basement, visible in the acoustic profiles as the distinct reflector R3. Reflector R3 is located at the boundary between Ancylus Lake and Littorina Sea sediments and stands base of the initial Littorina Sea. Comparing grain size characteristics of the sediments deposited during the Littorina Sea stage revealed spatial diversity of the depositional environment in the Arkona Basin. The western cores located close to Darss Sill during the onset of the Littorina stage confirmed a calm depositional environment, while in the northern part of the basin, dynamic activity of bottom currents was observed. During the second phase of the Littorina stage, dated around 6 - 5 ka cal. BP, there was an intensification of sediment transport and deposition processes, accompanied by the appearance of marine diatom forms in the western cores. Simultaneously, relatively calm depositional conditions existed in the northern and central parts of the basin.</div></div>","PeriodicalId":49644,"journal":{"name":"Quaternary International","volume":"718 ","pages":"Article 109648"},"PeriodicalIF":1.9,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143177314","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0