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        <title>Geologos Feed</title>
        <link>https://sciendo.com/journal/LOGOS</link>
        <description>Sciendo RSS Feed for Geologos</description>
        <lastBuildDate>Fri, 03 Apr 2026 22:38:07 GMT</lastBuildDate>
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            <title>Geologos Feed</title>
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            <link>https://sciendo.com/journal/LOGOS</link>
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        <copyright>All rights reserved 2026, Adam Mickiewicz University</copyright>
        <item>
            <title><![CDATA[Identifying potential groundwater recharge zones using the Analytic Hierarchy Process (AHP) method, in the Upper-Middle Drâa Basin, Morocco]]></title>
            <link>https://sciendo.com/article/10.14746/logos.2025.31.3.15</link>
            <guid>https://sciendo.com/article/10.14746/logos.2025.31.3.15</guid>
            <pubDate>Wed, 31 Dec 2025 00:00:00 GMT</pubDate>
            <description><![CDATA[

Groundwater is a vital resource sustaining domestic supply, agriculture, and industry, particularly in arid regions where water scarcity severely limits development. Identifying potential groundwater recharge zones is therefore essential for the sustainable management of this resource. This study assesses the spatial distribution of groundwater recharge potential in the Upper-Middle Drâa Basin, southeastern Morocco, which extends over approximately 23,000 km2. The Analytic Hierarchy Process (AHP) was applied within a Geographic Information System (GIS) framework using multi-source geospatial data, including Sentinel-2 imagery and the Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) Digital Elevation Model. The results indicate that high-recharge zones are mainly concentrated in low-slope alluvial plains and along major drainage networks, whereas the surrounding highlands exhibit moderate to low recharge potential. Validation using field data from borehole discharge measurements confirms this spatial pattern, with flow rates ranging from about 1.5 L/s in peripheral sectors to over 6 L/s in central parts of the basin. The strong agreement between model outputs and field observations demonstrates the reliability of the adopted approach and enhances understanding of the basin’s hydrogeological functioning. Overall, this work provides an effective decision-support tool for regional water resource planning and sustainable groundwater management in arid and semi-arid environments.
]]></description>
            <category>ARTICLE</category>
        </item>
        <item>
            <title><![CDATA[Exploring elemental variability in incineration residues for urban mining: A case study from southern Poland]]></title>
            <link>https://sciendo.com/article/10.14746/logos.2025.31.3.16</link>
            <guid>https://sciendo.com/article/10.14746/logos.2025.31.3.16</guid>
            <pubDate>Wed, 31 Dec 2025 00:00:00 GMT</pubDate>
            <description><![CDATA[

Urban mining increasingly concentrates on secondary raw materials derived from waste streams, among which municipal solid waste incineration (MSWI) residues are of growing importance. Fly ash, in particular, contains a wide range of trace and critical elements, yet its variability and internal associations remain insufficiently characterised. In the present study, 30 fly ash samples were collected in 2021 on a weekly basis from an MSWI facility in southern Poland. Eighteen elements (Ag, Al, Au, Ba, Co, Cr, Cu, Fe, Li, Mn, Mo, Ni, Pb, Pt, Sb, Sr, V and Zn) were quantified using ICPMS and ICP-OES, producing a robust dataset suitable for multivariate analysis. Data exploration comprised descriptive statistics, normality assessment with the Shapiro-Wilk test, outlier detection via Rosner’s test, correlation analysis using Pearson’s and Spearman’s coefficients, and hierarchical cluster analysis (HCA). Results show that most elements display moderate concentrations (10–1000 ppm), while Al, Fe, and Zn exceed 1000 ppm, and noble metals remain below 10 ppm. Strong positive correlations were observed between Sr and Li, as well as Fe, Ni, and Mo, while HCA consistently grouped Cr, Fe, Mo, and Ni into a stable cluster across methods. The most accurate dendrogram structure was achieved with average linkage (Euclidean or Manhattan), whereas Pearson-based distances produced sharper cluster boundaries. Importantly, the elemental concentrations determined in fly ash were systematically compared with both the geochemical background of the Earth’s crust and typical grades in natural ore deposits. This comparison revealed substantial enrichment in Zn, Pb, Sb, Ag, Au, and Pt relative to crustal averages, while only Zn (and occasionally Cu and Ag) reached concentrations approaching the lower thresholds of economically exploited ore deposits. These findings demonstrate the internal geochemical structure of MSWI fly ash and underscore its significance as a potential source of valuable elements within the framework of urban mining.
]]></description>
            <category>ARTICLE</category>
        </item>
        <item>
            <title><![CDATA[Book reviews: Climate Change and Geodynamics in Polar Regions, by Neloy Khare, 2022. CRC Press Taylor &amp; Francis Group, 272 pages. Paperback: price €46.74, VitalSource eBook: price €30.25. ISBN 9781003284413.]]></title>
            <link>https://sciendo.com/article/10.14746/logos.2025.31.3.19</link>
            <guid>https://sciendo.com/article/10.14746/logos.2025.31.3.19</guid>
            <pubDate>Wed, 31 Dec 2025 00:00:00 GMT</pubDate>
            <category>ARTICLE</category>
        </item>
        <item>
            <title><![CDATA[Geochemical distribution and occurrence of rare earth elements in stream sediments of Tamiang, Aceh, Indonesia]]></title>
            <link>https://sciendo.com/article/10.14746/logos.2025.31.3.18</link>
            <guid>https://sciendo.com/article/10.14746/logos.2025.31.3.18</guid>
            <pubDate>Wed, 31 Dec 2025 00:00:00 GMT</pubDate>
            <description><![CDATA[

This study investigates the geochemical distribution of rare earth elements (REEs) in stream sediments from the Aceh Tamiang Regency, Aceh Province, Indonesia, an area characterized by a complex geological framework and potential lanthanide-bearing source rocks. Rare earth elements such as lanthanum (La), scandium (Sc), and yttrium (Y) are essential to modern high-technology and clean-energy applications, yet baseline data from this region remain limited. A total of forty stream sediment samples were collected from the Simpang Kanan, Simpang Kiri, Tamiang, and Tenggulun rivers to determine the spatial distribution and concentration levels of La, Sc, and Y. All three elements were detected in the riverbed sediments in the study area, with La showing higher concentrations (average 11 ppm) compared to Sc (2 ppm) and Y (3 ppm). Higher values are observed in upstream sediments underlain by igneous and metamorphic rocks, while lower values occur in downstream sedimentary zones. This distribution pattern indicates that the enrichment of REEs is primarily derived from the weathering of upstream source rocks. Additionally, the presence of active tectonic structures in the region may have contributed to the mobilization and accumulation of these elements. This study establishes a baseline of REE distribution in stream sediments of Tamiang and provides valuable data that may support broader regional geochemical investigations.
]]></description>
            <category>ARTICLE</category>
        </item>
        <item>
            <title><![CDATA[Sediment sources and transport pathways of dune sands, western Sandomierz Basin (Southern Poland)]]></title>
            <link>https://sciendo.com/article/10.14746/logos.2025.31.3.17</link>
            <guid>https://sciendo.com/article/10.14746/logos.2025.31.3.17</guid>
            <pubDate>Wed, 31 Dec 2025 00:00:00 GMT</pubDate>
            <description><![CDATA[

Aeolian dune fields of the European Sand Belt extend across Poland, yet their southern limit coincides with the Sandomierz Basin, where potential sand sources from the Małopolska Upland and the Carpathians converge. This study uses quartz-grain morphology to constrain the provenance of dune sands in the western Sandomierz Basin and to assess Late Pleniglacial (MIS 2) aeolian–fluvial interactions. Sediments were sampled from aeolian dunes, fluvial terraces and outwash plains across c. 2,500 km², including the Vistula and its tributaries (Dunajec, Raba, Rudawa and Przemsza) and adjacent uplands. Stratigraphic ages were assigned using the Detailed Geological Map series (1:50,000). Grain roundness was measured on the 0.8–1.0 mm fraction using Krumbein’s scale, and grain-surface textures were classified with the Cailleux morphoscopic approach (NU, EL, RM, EM).
Carpathian-river alluvia (Raba, Dunajec) show predominantly subangular to subrounded grains in Early Pleniglacial deposits, indicating limited aeolian abrasion despite long fluvial transport. In Late Pleniglacial alluvia, RM proportions increase markedly and roundness distributions become bimodal, reflecting enhanced aeolian reworking during the coldest MIS 2 phases. In contrast, Vistula and upland-tributary alluvia contain higher RM contents and more rounded grains, consistent with recycling of sands previously modified by long-distance aeolian transport on the Małopolska Upland. Dune deposits display strong spatial variability: the northern dune zone adjacent to the Vistula is dominated by Vistula-like, well-rounded RM grains, whereas southern dune clusters (Raba Fan, Raba–Dunajec interfluve, Tarnów Plateau) record mixed contributions, locally modulated by river corridors and topographic barriers that constrained aeolian pathways.
Quartz-grain morphology thus provides an effective, low-cost proxy for distinguishing upland versus Carpathian sand sources and for reconstructing short-range transport pathways and sediment mixing within coupled aeolian–fluvial systems during the Late Pleniglacial.
]]></description>
            <category>ARTICLE</category>
        </item>
        <item>
            <title><![CDATA[Thanks to the journal’s reviewers]]></title>
            <link>https://sciendo.com/article/10.14746/logos.2025.31.3.21</link>
            <guid>https://sciendo.com/article/10.14746/logos.2025.31.3.21</guid>
            <pubDate>Wed, 31 Dec 2025 00:00:00 GMT</pubDate>
            <category>ARTICLE</category>
        </item>
        <item>
            <title><![CDATA[Authors of articles published in Geologos in 2025 – brief information]]></title>
            <link>https://sciendo.com/article/10.14746/logos.2025.31.3.20</link>
            <guid>https://sciendo.com/article/10.14746/logos.2025.31.3.20</guid>
            <pubDate>Wed, 31 Dec 2025 00:00:00 GMT</pubDate>
            <category>ARTICLE</category>
        </item>
        <item>
            <title><![CDATA[Lithological discrimination and mineralogical mapping using ASTER remote sensing data in the east-central Jebilet region, Morocco]]></title>
            <link>https://sciendo.com/article/10.14746/logos.2025.31.2.13</link>
            <guid>https://sciendo.com/article/10.14746/logos.2025.31.2.13</guid>
            <pubDate>Mon, 01 Sep 2025 00:00:00 GMT</pubDate>
            <description><![CDATA[

This study evaluates the effectiveness of ASTER (Advanced Spaceborne Thermal Emission and Reflection Radiometer) satellite data for lithological discrimination and mineralogical mapping in the east-central Jebilet region, Morocco. ASTER data offer considerable potential for detecting spectral signatures of mineral zones and determining their composition. The main objective is to apply image processing techniques, such as band ratios (BR), principal component analysis (PCA) and minimum noise fraction (MNF), in order to identify and map characteristic minerals in the region. The application of various band ratios effectively mapped the distribution of key minerals and alteration zones in the study area. The band ratio (band7/band5) was used to identify kaolinite, while the ratio (band4+band6)/band5 highlighted the presence of a mineral group constisting of alunite, kaolinite and pyrophyllite. The ratio (band7+band9)/ band8 revealed a set of a carbonate mineral, chlorite and epidote, whereas endoskarns composed of epidote, chlorite and amphibole were mapped using the ratio (band6+band9)/(band7+band8). The ratio (band5+band7)/band6 characterised phyllic alteration by detecting phyllosilicate minerals such as sericite, muscovite or illite. Phengite was mapped using the band5/band6 ratio. The distribution of these minerals was closely linked to the lithological variability of previously mapped geological units, highlighting the relevance and effectiveness of band ratios for geological mapping using remote sensing. The PCA and MNF components with the highest eigenvalues significantly improved lithological discrimination by reducing noise and refining the delineation of mineral zones. The results obtained have enabled the creation of a detailed map of mineral distribution, highlighting the alteration zones and lithological formations in the eastern Jebilet region of Morocco.time-consuming, yet inexpensive method that can be applied to other areas, especially those that are difficult to reach.
]]></description>
            <category>ARTICLE</category>
        </item>
        <item>
            <title><![CDATA[Mapping the geological fault zone that triggered the Mw 6.1 Pasaman earthquake in Indonesia on the basis of gravity anomalies]]></title>
            <link>https://sciendo.com/article/10.14746/logos.2025.31.2.12</link>
            <guid>https://sciendo.com/article/10.14746/logos.2025.31.2.12</guid>
            <pubDate>Mon, 01 Sep 2025 00:00:00 GMT</pubDate>
            <description><![CDATA[

Indonesia’s Great Sumatran Fault (GSF) is well known for its destructive capability, having generated many moderate to strong earthquakes, causing damage. A better understanding of GSF characteristics is needed to mitigate future geological hazards in Sumatra and prevent unnecessary loss and damages. The present research aims to map the fault structure in West Pasaman, Indonesia, using the Topex satellite and global gravity model plus (GGM+). Residual anomalies from Bouguer data (50–80 mGal) show a continuous pattern between the confluence of the Angkola, Sumpur and Sianok fault segments in the Pasaman. The vertical and horizontal derivatives were also applied in order to clarify fault structure, which is demonstrated by high derivative anomalies (0.05–0.08 mGal/m) in the horizontal and 0.1 mGal/m in the vertical. Moreover, a cross sectional model from the 3D algorithm (Occam and Singular Value Decomposition) may show the presence of several segments/faults in the Pasaman region, such as the Angkola, Barumun and Sumpur faults with high-density values of ρ = 2.3–2.4 g/cm3. Based on results obtained, the use of Topex and GGM+ has provided an overview of the effectiveness of global gravity in mapping faults in the Pasaman region. It is a time-consuming, yet inexpensive method that can be applied to other areas, especially those that are difficult to reach.
]]></description>
            <category>ARTICLE</category>
        </item>
        <item>
            <title><![CDATA[Geological controls and exploration strategies for sandstone-type uranium ores: comparison of Indian deposits with those across the globe]]></title>
            <link>https://sciendo.com/article/10.14746/logos.2025.31.2.10</link>
            <guid>https://sciendo.com/article/10.14746/logos.2025.31.2.10</guid>
            <pubDate>Mon, 01 Sep 2025 00:00:00 GMT</pubDate>
            <description><![CDATA[

The rising global energy demand has driven researchers to locate new uranium deposits, with sandstone types contributing nearly 40 per cent of uranium production. The present review provides a comprehensive understanding of the genesis and classification and mentions some global examples of sandstone-type uranium deposits, the focus being on the geological settings of each type. Understanding these factors helps locate similar deposits, especially in North-East India, where research is limited. There, uranium enrichment is controlled by numerous factors such as source rocks, sedimentary structures, permeability barriers, reductants and cap rocks. The present study underscores the need for integrated methods for exploration of sandstone-type deposits where remote sensing can be combined with geophysical and geochemical techniques.
]]></description>
            <category>ARTICLE</category>
        </item>
        <item>
            <title><![CDATA[Assessment of the repeatability of column experiments results on the example of a conservative tracer]]></title>
            <link>https://sciendo.com/article/10.14746/logos.2025.31.2.11</link>
            <guid>https://sciendo.com/article/10.14746/logos.2025.31.2.11</guid>
            <pubDate>Mon, 01 Sep 2025 00:00:00 GMT</pubDate>
            <description><![CDATA[

Most studies on the behavior of pollutants in the groundwater environment are carried out in laboratories, and the results are then implemented at local and regional levels using model simulations or analytical solutions. Column experiments are used to determine the transport characteristics of inorganic and organic chemicals in the soil and water environment. Although column experiments have been conducted regularly for many years, there is currently no established standard protocol for setting up and conducting them to ensure consistent results. The repeatability of column experiments was evaluated for soils, which differ primarily in the silt and clay content, using a conservative tracer susceptible only to advection and dispersion processes to reduce the number of variables affecting the results of the study which arise in a case of using reactive contaminants. The column experiments performed according to the adopted methodology are characterized by high repeatability of the obtained test results for the transport parameters, regardless of the type of injection or the chosen column length (only a small-scale effect is visible). Based on the results, it can be noticed that for the same soil the values of the pore–water velocity for different types of injections and column lengths are very similar. The percentage difference between the values of pore–water velocity obtained for both tested soils does not exceed 5% and for individual pairs of parallel column experiments it does not exceed 3%.
]]></description>
            <category>ARTICLE</category>
        </item>
        <item>
            <title><![CDATA[Frasnian (Upper Devonian) lithostratigraphy of the Bernesga Valley (Cantabrian Mountains, NW Spain)]]></title>
            <link>https://sciendo.com/article/10.14746/logos.2025.31.2.09</link>
            <guid>https://sciendo.com/article/10.14746/logos.2025.31.2.09</guid>
            <pubDate>Mon, 01 Sep 2025 00:00:00 GMT</pubDate>
            <description><![CDATA[

Sequence stratigraphic units are defined in terms of changes in relative sea level, and not on the compositional similarity of the lithology of the rock units. Sequence boundaries were used to support the formal definitions of the Gordón Member and the Millar Member of the Frasnian Nocedo Formation (Cantabrian Mountains). Therefore, each member consists of a broad range of lithologies. In this study each sequence of the Nocedo Formation is subdivided into formal lithological units and from each unit the stratigraphic characteristics and spatial distribution pattern is presented. Within one sequence the lithological units have gradational contacts, and their lateral distribution is consistent and complementary, allowing the understanding of the palaeogeographic picture of the region.
]]></description>
            <category>ARTICLE</category>
        </item>
        <item>
            <title><![CDATA[Book reviews: Fundamentals of geomorphology (5th edition), by R.J. Huggett &amp; E. Shuttleworth, 2023. Routledge, Taylor &amp; Francis Group, 624 pages. Paperback: price $ 39.42, ISBN 978-1032169637]]></title>
            <link>https://sciendo.com/article/10.14746/logos.2025.31.2.14</link>
            <guid>https://sciendo.com/article/10.14746/logos.2025.31.2.14</guid>
            <pubDate>Mon, 01 Sep 2025 00:00:00 GMT</pubDate>
            <category>ARTICLE</category>
        </item>
        <item>
            <title><![CDATA[Palaeozoic arthropods in Baltoscandian erratics from the coastal cliffs near Gdynia in northern Poland]]></title>
            <link>https://sciendo.com/article/10.14746/logos.2025.31.1.02</link>
            <guid>https://sciendo.com/article/10.14746/logos.2025.31.1.02</guid>
            <pubDate>Wed, 30 Apr 2025 00:00:00 GMT</pubDate>
            <description><![CDATA[

Fossils recovered from Baltoscandian erratic boulders and cobbles, collected on the beach near Orłowo and Oksywie Cliff (the latter for the first time) near Gdynia in northern Poland constitute an interesting lot. Several trilo-bite taxa have been discovered, such as Calymene? sp., Acaste? sp., Chasmopsinae indet., Encrinurus sp. and Proetidae indet. Another group of arthropods represented here is Ostracoda, mostly comprising taxa of the family Beyrichiidae, assigned to the order Palaeocopida. The preservation of all fossils certainly leaves much to be desired. Nevertheless, after preparation it has turned out possible to provide some taxonomic identification and the estimated stratigraphical provenance of the erratics studied. In addition, on the basis of taxonomic composition, palaeoecological and palaeogeo-graphical patterns have been worked out. The present paper ranks amongst the very few recent publications dedicated to erratic fossils from Poland in general and those on arthropods specifically.
]]></description>
            <category>ARTICLE</category>
        </item>
        <item>
            <title><![CDATA[New records of Pennsylvanian phyllocarid crustaceans (Phyllocarida, Archaeostraca) from the Donets Basin, eastern Ukraine]]></title>
            <link>https://sciendo.com/article/10.14746/logos.2025.31.1.01</link>
            <guid>https://sciendo.com/article/10.14746/logos.2025.31.1.01</guid>
            <pubDate>Wed, 30 Apr 2025 00:00:00 GMT</pubDate>
            <description><![CDATA[

A small phyllocarid faunule comprising Dithyrocaris colei Portlock, 1843, D. cf. granulata Woodward &amp; Etheridge, 1873 and Phyllocarida indet. is described from black shale beds within coal-bearing deposits of the Mospyne Formation (upper Bashkirian, Lower Pennsylvanian) in the central Donets Basin, eastern Ukraine. All records of Carboniferous phyllocarids from the Donets Basin, including those by previous researchers, are preserved in black shales formed under dysaerobic conditions. In the Carboniferous of the Donets Basin, phyllocarids are found predominantly in the Bashkirian interval. Significantly fewer taxa have been recorded from the Serpukhovian, the Serpukhovian/Bashkirian boundary interval and the Upper Pennsylvanian.
]]></description>
            <category>ARTICLE</category>
        </item>
        <item>
            <title><![CDATA[Geological peculiarities from the Konin Lignite Mine, central Poland: An overview]]></title>
            <link>https://sciendo.com/article/10.14746/logos.2025.31.1.03</link>
            <guid>https://sciendo.com/article/10.14746/logos.2025.31.1.03</guid>
            <pubDate>Wed, 30 Apr 2025 00:00:00 GMT</pubDate>
            <description><![CDATA[

The 80th anniversary (1945–2025) of the Konin Lignite Mine (KLM) invites some summaries of the mine’s characteristics. Therefore, the current study is devoted to rocks/sediments and tectonic or sedimentary structures that were observed and examined in lignite opencasts in the vicinity of the town of Konin. Some of them can be considered wonders and/ or curiosities of nature, some are unique, and others are quite common. Hence, they were generally defined as geological peculiarities in this article. In stratigraphic order they are sandstones, cleats, crevasse splays, palaeochannels and palaeosols. They represent various lithostratigraphic units (formations and members) of the Neogene of central Poland, while their age ranges from the Early Miocene to the earliest Pliocene. Among the listed objects, quartzite sandstones (situated below and between the lignite beds) and palaeosols in the Poznań Clays are very common, known from other lignite opencasts in Poland. In the case of cleats and crevasse splays occurring within the lignite seam exploited by the KLM, they are among the most numerous and best developed of all lignite-bearing formations in the world. On the other hand, the presence of palaeochannels in fine-grained sediments, constituting the overburden of the exploited lignite seam, provides additional and convincing evidence for the fluvial origin of the Poznań Clays.
]]></description>
            <category>ARTICLE</category>
        </item>
        <item>
            <title><![CDATA[Book reviews: An introduction to geological structures &amp; maps, by G.M. Bennison, P.A. Olver &amp; K.A. Moseley, 2017. Routledge, New York/London, 184 pages. Hardback: price GBP 120.00, ISBN 978-1-03232015-1]]></title>
            <link>https://sciendo.com/article/10.14746/logos.2025.31.1.08</link>
            <guid>https://sciendo.com/article/10.14746/logos.2025.31.1.08</guid>
            <pubDate>Wed, 30 Apr 2025 00:00:00 GMT</pubDate>
            <category>ARTICLE</category>
        </item>
        <item>
            <title><![CDATA[Reply to “Comment on: Depositional palaeoenvironments in a tide-influenced delta plain with amphibian and Cycadophyta remains – the Triassic Zarzaitine Formation (Algerian eastern Sahara) by S. Mazrou, Y. Lasnami, J. Amer, A. Boutaleb: Geologos 30, 3 (2024): 209–229“]]></title>
            <link>https://sciendo.com/article/10.14746/logos.2025.31.1.07</link>
            <guid>https://sciendo.com/article/10.14746/logos.2025.31.1.07</guid>
            <pubDate>Wed, 30 Apr 2025 00:00:00 GMT</pubDate>
            <description><![CDATA[

In a recent paper entitled, “Depositional palaeoenvironments in a tide-influenced delta plain with amphibian and Cycadophyta remains – the Triassic Zarzaitine Formation (Algerian eastern Sahara)” (Mazrou et al., 2024), we have demonstrated a prograding delta in an intertidal zone, on the basis of fieldwork yielding new sedimentological and palaeontological descriptions and interpretations. These are completely contrary to those of previous authors, who proposed rivers, lakes, sabkha, etc., as we shall demonstrate in the present note. However, in their comment, Dahou-mane et al. (2025, in this issue) have accused us, without any valid argument, of having borrowed the work of other authors without citing them, claiming everything presented in our paper to be erroneous, and not based on work by Dahoumane herself or Dahoumane et al., but on so-called references cited. We shall provide proof in the present paper that not a single line has been borrowed from anyone, and also demonstrate that Dahoumane and Dahoumane et al. are not familiar with the basics of sedimentology, which makes them poor judges of sedimentary geology in any objective way. In addition, they do not know the Triassic terrains of Zarzaitine, confuse Triassic formations with those of Jurassic age that outcrop in the study region, and cite false bibliographic references to support their ‘claims’. We shall illustrate below that no information, detail or anything else was presented by Dahoumane et al. concerning the Triassic terrain studied, except for a plate presenting photographs, interpretations of which are all erroneous. We would have appreciated academic critique that could have helped us improve our work, instead of wasting our time responding to false allegations and nonsensical comments.
]]></description>
            <category>ARTICLE</category>
        </item>
        <item>
            <title><![CDATA[The past, present and future of Konin Lignite Mine in central Poland]]></title>
            <link>https://sciendo.com/article/10.14746/logos.2025.31.1.04</link>
            <guid>https://sciendo.com/article/10.14746/logos.2025.31.1.04</guid>
            <pubDate>Wed, 30 Apr 2025 00:00:00 GMT</pubDate>
            <description><![CDATA[

The Konin region is widely considered to be the cradle of lignite mining in Poland, having probably exploited as early as the 12th century on the outskirts of the present-day town of Konin. However, not until the first half of the 20th century were lignite-rich deposits discovered. In turn, industrial lignite mining in this region was initiated by the Germans during the Second World War and has been continued by Polish crews since 1945. Thus, 80 years of Polish history of Konin Lignite Mine (KLM) will be celebrated in 2025. Over eight decades, KLM has launched several opencasts, only one of which remains at the start of 2025. During this time, hundreds of millions of tonnes of lignite (646.1 million tonnes) have been mined. In order to extract such large quantities of lignite, billions of cubic metres of water (6.14 billion m3) and overburden (3.59 billion m3) had to be pumped out and removed, respectively. In this way, the natural environment in the vicinity of Konin was strongly transformed geologically, hydrogeologically and geomorphologically. The results of these changes include numerous anthropogenic hills (external dumps) and water reservoirs (mining lakes). They, along with other post-mining areas, have been subject to reclamation since at least the 1970s. KLM is carrying out reclamation works in the following directions: water, forest, agricultural, recreational, etc. It is currently expected that lignite mining in the Konin region will most likely end in 2026–2027.
]]></description>
            <category>ARTICLE</category>
        </item>
        <item>
            <title><![CDATA[Lignite in the Polish energy industry – a premature goodbye]]></title>
            <link>https://sciendo.com/article/10.14746/logos.2025.31.1.05</link>
            <guid>https://sciendo.com/article/10.14746/logos.2025.31.1.05</guid>
            <pubDate>Wed, 30 Apr 2025 00:00:00 GMT</pubDate>
            <description><![CDATA[

Despite decarbonisation, coal (including lignite) still plays an important role in Europe in stabilising energy systems and guaranteeing energy security of many countries. The present article outlines the importance of lignite in Poland, the volume of extraction over several decades and its share in the production of electricity against the background of a changing energy structure. Due to the growing importance of renewable energy sources, lignite mining is declining year after year. However, during unfavourable periods for renewable energy sources, especially in winter, energy is produced primarily in conventional power plants. In 2023, over 21 per cent of Polish energy was generated from lignite. Therefore, first, lignite mining and electricity production are here characterised. Then, the short-term liquidation of existing mining and energy complexes is indicated, as a result of the exhaustion of lignite resources. Within two decades, 8.2 GW of lignite-based power will be lost from the Polish energy system. The geological resources of lignite deposits in Poland are described, paying particular attention to deposits whose extraction is possible and rational in the future. Finally, arguments are presented for maintaining lignite mining in Poland, as supported by the constantly growing demand for energy and the ability to flexible adjustment of electricity generation to variable production from renewable energy sources. Moreover, the possibility of minimising the environmental impact of both lignite mining and electricity generation from it need to be considered. Geopolitical events during the last decade, in particular the Russian aggression against Ukraine, have shown that domestic energy resources play an important role in ensuring the country’s energy security. Hence, the current study is an attempt to provide answers to the question whether it is not too early to say goodbye to Polish lignite.
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            <category>ARTICLE</category>
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