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Peopling of Central Europe by Middle Pleistocene hominids is highly debatable, mainly due to the relatively harsh climatic and environmental conditions that require cultural and anatomical adjustments. At least several archaeological sites certify human occupation in the region dated back to MIS 13-11, but they represent open-air settlements. Based on the new fieldwork conducted in Tunel Wielki Cave, we can date the human occupation traces in the cave to MIS 14-12. Bipolar-on-anvil knapping technique prevails in the lithic assemblage, made exclusively in flint. The obtained results have given ground for studying the frontiers of human oikumene and the required cultural adaptive abilities., (© 2022. The Author(s).)

Polish-Ukrainian project researching Pleistocene environments and the stratigraphy of Palaeolithic sites in the peri- and meta-Carpathian zone of Poland and Ukraine has been undertaken since 2010. The Palaeolithic sites in the eastern part of this area are associated with palaeosols within loess profiles, whilst those in the western part are mostly in caves and rock shelters (Fig. 1). Rich geological material shows both similarities and differences between loess and cave sites, and between the Polish and Ukrainian sites. These differences result from the diverse paleogeographical and geological situations of the sites as well as differences in the investigative methodologies used. Environmental studies at these two types of site used different but, as they concern similar periods, complementary methods (Table 1). Fig. 2 presents the very generalized results of the environmental research at the most important of these Palaeolithic loess and cave sites -and its interpretation. These data are compared with currently defined Marine Isotope Stages (MIS) and chronostratigraphy. The picture of environmental changes shows the state of knowledge at the beginning of the "Oecumene" project. [ABSTRACT FROM AUTHOR]

Two main types of Palaeolithic sites in southern Poland and western Ukraine: caves or rock shelters and loess sites, offer different evidence concerning former climatic variations. The most characteristic cave deposits for cold climatic conditions are angular, cryoclastic limestone rubble and loess in cave entrances. In loess profiles, arctic conditions are clearly marked by the presence of ice wedge casts and soil wedges. In cold and humid conditions, solifluction and cryoturbation features characteristic of active layers and ground ice structures developed. During periods of warm and humid climatic conditions, cave loam and chemically weathered limestone rubble originated in caves. Intensive chemical weathering formed mineral crusts on surfaces of limestone particles. The most distinct indicators of temperate climate in loess profiles are fossil soils: forest or steppe ones, depending on humidity. Remnants of animals, especially those of stenothopic taxons, provide very important evidence of environmental and climatic fluctuations. The data from both types of sites complement each other.Precisely documented profiles of cave and loess sites cover the time span from the decline of penultimate glaciation to the end of Vistulian time. Older cultural layers corresponding to the penultimate interglacial were found recently. [Copyright &y& Elsevier]

Although debris, loams and clays are usually regarded as typical cave sediments, loess and loess-like sediments are common among clastic cave deposits in the near-entrance facies of caves and rock shelters. Late Weichselian loess layers are very common in caves from the Kraków-Częstochowa Upland and were recognized in almost each excavated cave and rock shelter. These layers were initially dated to the LGM (Last Glacial Maximum), but new chronometric dating results are available that allow us to present a more detailed scheme of the geological age of the series. This paper evaluates the significance of Polish in-cave loess layers as correlative horizons. We present the lateral and vertical stratigraphy and lithological variability of cave loesses and their usefulness as lithostratigraphic markers. These features are especially important for archeology and paleontology, as cave sediments, including loess, are usually the carriers of archeological and paleontological material. [ABSTRACT FROM AUTHOR]

Abstract: Biśnik Cave is an important Palaeolithic site located in the Kraków-Częstochowa Upland. The cave fill is a complex well-stratified sequence composed of 35 layers/sublayers interrupted by number of hiatuses and ranging from Pliocene till modern times. Fifteen Middle Palaeolithic horizons, some of them among the oldest in Poland, represent the most important part of the sequence from an archaeological point of view. The sedimentary sequences in particular parts of the cave have been studied for more than 20 years to investigate the chronostratigraphy and palaeoenvironment. The recent multi-proxy study is based on the application of new methods for the site: analysis of sedimentary and post-sedimentary structures, and weathering stage of limestone rubble and fossil bones, pollen analysis, molecular biomarkers, palaeomagnetic analysis and radiometric dating. Results indicated a more intensive role of re-working and re-deposition in the cave. Older sediments were transported into some stratigraphic horizons from sources within the cave itself as well as from outside, including palaeontological and archaeological materials. Some the detected layers therefore represent a mix derived from different sources. A record of two interglacials (Eemian Interglacial, MIS 5e and Penultimate Interglacial, MIS 7) was established in layers Nos. 15–14–13a–13 and 19a–19, respectively. Middle–Upper Pleistocene sedimentary units were identified with MIS 3–MIS 7/8, instead of previous interpretation to MIS 4–MIS 9. The age of the basal vario-colored complex, previously interpreted mostly as pre-Pleistocene, was newly correlated with MIS 7/8 and Early Pleistocene/Pliocene. [Copyright &y& Elsevier]

Ciemna Cave is a key Micoquian site located in Ojców National Park, in the southern part of the Kraków-Częstochowa Upland. The site is known for a distinct group of asymmetrical knives, prądniks, as well as the associated cultural assemblage, the “Prądnik industry” or “Micoquo-Prondnikiens”—both named after the Prądnik stream flowing through the valley. Excavation of Ciemna Cave carried out in the early twentieth century provided a series of stratified archaeological materials. The published sections indicated explicitly diverse sequences and contexts in various parts of the site. In Ogrójec (sector CO), a collapsed part of the cave, two cultural layers were recognized within loess deposit: an upper layer with Prądnik industry implements and a lower layer with Prądnik industry artifacts and mixture of older cultural units, including those with handaxes. A different situation was encountered at the entrance to the cave (sector C), where a much longer stratigraphic section with a few artifactually poor cultural levels was discovered. Current excavations began in 2007 targeted a new area of the cave chamber, with a primary goal of correlating geologic and cultural sequences from the previous excavations. At this stage a complete section has been exposed, which comprises 19 major geological layers and 9 archeological levels. The area has provided new lithics finds and chronological data that have allowed us to make preliminary cultural linkages. [ABSTRACT FROM AUTHOR]

Abstract: Biśnik Cave is situated in the limestone rock, 7m above the bottom of the presently dry Wodąca valley. It is located in the Smoleń–Niegowonice Range in the southern part of the Częstochowa Upland. To date, an area of 260m2 has been explored, to the depth of 150–850cm. The results of sedimentological, geomorphological, palaeozoological and archaeological investigations provided the basis for the reconstruction of the history of habitation at the Biśnik Cave, in the background of palaeoenvironmenal transformations. Throughout about 300,000 years of occupation, the cave was surrounded by a changing and widely diversified natural environment, with steppe, tundra and forest ecosystems, and marshland and aquatic biotopes. This, combined with the opportunity to exploit varied ecological niches, made the cave a particularly attractive habitation site. As a result, the cave has remnants of a number of habitation phases: ten in the Middle Palaeolithic, one in the Upper Palaeolithic and at least five in the period between the Neolithic and the Middle Ages. The importance of the Biśnik Cave stems from the fact that it has the longest sequence of cave sediments in Poland, seventeen cultural levels including remnants of the oldest Palaeolithic in this part of Europe and the oldest dwelling structures ever discovered in Poland. The history of environment changes was reconstructed based on sedimentological and palaeozoological data. The multiproxy palaeoecology and climatology data are extremely significant for the reconstruction of palaeogeography of Central Europe in the Middle and Upper Pleistocene as well as human occupation history. [Copyright &y& Elsevier]