Showing 501 - 519 results of 519 for search '"limestone"', query time: 0.05s Refine Results
  1. 501

    PT-FORMATION CONDITIONS OF POLYMETALLIC ORES FROM THE Pb-Zn-Fe AKTASH SKARN DEPOSIT (WESTERN KARAMAZAR, TAJIKISTAN) by U.A. Yatimov, N.N. Ankusheva, M.A. Rassomakhin

    Published 2021-12-01
    “…The deposit is confined to a contact zone between carbonate (Upper Devonian–Lower Carboniferous dolomite and limestones) and intrusive rocks (Middle Carboniferous–Early Triassic granodiorites and porphyry granodiorites) of the Kansai ore field. …”
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  2. 502

    The Neolithic layer of the Maryeva Gora archaeological complex near the village of Kulbakovo, Rostov region: materials for the Collection of sites by Manko N.V., Danilchenko A.Yu.

    Published 2024-12-01
    “…Limestones, marls and chalk of the Upper Cretaceous age are massively exposed on the slopes of rivers and gullies within the Southern Donbass. …”
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  3. 503

    Sites du Bas-Verdon : recueil de documents by Jean Nicod

    Published 2018-06-01
    “…This sector, constituted essentially by limestones, offers remarkable natural sites (Saint-Maurin, ravine of Entreroches near Moustiers-Sainte-Marie, Moyennes and Basses Gorges…), caves of a big prehistoric value (Balm-Bonne, Saint-Maxime's cave…, the contributions of which are emphasized in the museum of the Verdon Gorge, in Quinson), old villages (Moustiers, Bauduen, Quinson, Gréoux-les-Bains…). …”
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  4. 504

    Acoustic emission criteria for analyzing the process of rock destruction and evaluating the formation of fractured reservoirs at great depths by Vladimir L. Trushko, Aleksandr O. Rozanov, Malik M. Saitgaleev, Dmitrii N. Petrov, Mikhail D. Ilinov, Daniil A. Karmanskii, Aleksandr A. Selikhov

    Published 2024-11-01
    “…Based on the analysis of the AE process for three types of rocks – igneous (urtites), metamorphic (apatite-nepheline ores), and sedimentary (limestones) – parameterization of acoustic emission was carried out to determine the features of the deformation process and related dilatancy. …”
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  5. 505

    Using Remote Sensing Data and Geographic Information Systems for Assessment of Land Impact Caused by Common Minerals Extraction in the Vitebsk Region by A. N. Galkin, A. B. Torbenko, K. S. Malkov

    Published 2024-11-01
    “…Territories with an average quarry load are also confined to large peatlands, with a few exceptions, where the shallow Upper Devonian dolomites and limestones, developed by OJSC Dolomite, occur. Low quarry load is observed throughout the entire territory of the Vitebsk region, typically for areas of small-area peat mining, as well as for sand, clay and sand-gravel quarries, which are relatively small, and are located within various genetic types of relief.…”
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  6. 506

    Investigation of the Effects of Marble Material Properties on the Surface Quality by Sümeyra Cevheroğlu Çıra, Ahmet Dağ, Askeri Karakuş

    Published 2018-01-01
    “…For this purpose, four types of limestones were investigated. Physicomechanical properties of samples were determined through laboratory measurements. …”
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  7. 507

    The last eryopids: Clamorosaurus and Syndyodosuchus from the late Kungurian (Cisuralian, Permian) of Russia revisited by Ralf Werneburg, Florian Witzmann

    Published 2024-12-01
    “…Although being coeval, the two genera occurred in different environments, with Clamorosaurus being preserved in lacustrine limestones wheras S. tetricus was found in a coal bed. …”
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  8. 508

    The geology of carbonaceous deposits (Carboniferous) of the South Urals (Fedorovskaya sequence, Sukharysh syncline) by A.V. Snachev

    Published 2021-06-01
    “…It was shown that shales and aleurolites, which are widespread in the limestones of the Fedorovskaya sequence, belong to the low-carbon type and fall into the field of the siliceous-carbonate unit. …”
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  9. 509

    Karst topography: Formation, processes, characteristics, landforms, degradation and restoration: A systematic review by Belay Zerga

    Published 2024-01-01
    “…The review shower that iypically, karst topography forms on evaporites, dolostones, limestones, and rock salt. Caves can contain significant paleontological, paleoenvironmental, and archeological remnants because they can serve as traps for surface material, shielding it from surface erosion. …”
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  10. 510

    From Middle Jurassic extension to Late Jurassic obduction: sedimentary records from the Greater Adriatic margin of the Neotethys Ocean in NE Hungary by Szilvia Kövér, János Haas, Nevenka Djerić, Ottilia Szives, Péter Ozsvárt, László Fodor

    Published 2025-02-01
    “…The sedimentation in its Bajocian–early Callovian extensional half-grabens was characterised by pelagic limestones followed by dark shales with sandstone intercalations. …”
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  11. 511

    Late Jurassic (Upper Kimmeridgian) gastropods from Saal near Kelheim (Germany, Bavaria) by Joachim Gründel, Alexander Nützel

    Published 2024-12-01
    “…A new collection of Upper Jurassic (Kimmeridgian) gastropods from the reefal limestones of the Saal quarry near Kelheim (Lower Bavaria, Germany) is reported. …”
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  12. 512

    Comparison of stratigraphic rock and sedimentary environment of Shemshak formation in Central Alborz: sections Glendrood - Lavij – Vaz, Iran by Vida Osanlu, Davod Jahani, Ali Solgi

    Published 2021-07-01
    “…At th section of C lower boundary of shemshak formation does not contain bauxite- laterit and is located on the Elika formation and the upper bandray ends in direction of Dalichai Formation. in term sedimentary environment Dolomit–Limeston formed in the Tidal Flats, Sandeston in the shallow coastal or condition open River and Coal has been depasited castal marsh and sowamp. …”
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  13. 513

    Advances in Limnogeology: The lake‐basin‐type model revisited 25 years after…anomalies, conundrums and upgrades by Cecilia A. Benavente, Kevin M. Bohacs

    Published 2024-11-01
    “…These paths can be deciphered using stable carbonate and oxygen isotope composition of primary lacustrine limestones, detailed sedimentology, stratigraphy, palaeontology and mineralogy. …”
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  14. 514

    A new occurrence of hydrous andradite within pyroclastic rocks of the Sierra De Bahoruco, Dominican Republic by Jacek Wachowiak, Magdalena Dumańska-Słowik, Wiesław Heflik, Adam Włodek, Lucyna Natkaniec-Nowak, Miguel Peña, Adam Gaweł, Rolando Muñoz, Piotr Jeleń

    Published 2024-12-01
    “…The Ca needed for garnet crystallization might have derived from primary calcic plagioclases, diopside, and Eocene-Miocene limestones overlying the Cretaceous magmatic complex. …”
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  15. 515

    Middle to Late Jurassic pelagites and gravity mass flow deposits of a displaced Neotethyan margin: Microfacies and biostratigraphical studies in Northeast Hungary by Haas János, Fodor László, Đerić Nevenka, Szives Ottilia, Ozsvárt Péter, Fialowski Melinda, Kövér Szilvia

    Published 2024-01-01
    “…The Recsk Succession is made up of Upper Triassic, cherty carbonates of pelagic basin development that are overlain by pelagic limestones of Early to early Middle Jurassic age. The carbonate sedimentation changed gradually into shale‐domi nated one during the late Bathonian to the early Callovian. …”
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  16. 516

    Detailed Fluid Inclusion and Stable Isotope Analysis on Deep Carbonates from the North Alpine Foreland Basin to Constrain Paleofluid Evolution by Elena Mraz, Markus Wolfgramm, Inga Moeck, Kurosch Thuro

    Published 2019-01-01
    “…Salinity and formation temperature of paleofluids in fluid inclusions and isotope data are consistent with previous studies and reveal a 5-stage evolution: the main cementation phases are composed of (I) the early diagenesis in limestones (200-400 m, 40-50°C), (II) early diagenetic dolomitization, and (III) burial dolomitization (1-2 km, II: 40-90°C; III: 70-100°C; 40 g/L NaCl equiv.), and (IV) late burial calcification (IIIa: 110-140°C, IIIb: 140-200°C) linked to tectonic features in the Molasse Basin. …”
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  17. 517

    Peculiarities of formation, isomorphism and geochemistry of trace elements of sphalerite and wurtzite unusual varieties from the Goniatite occurrence (Pai-Khoi Ridge, Nenets Autono... by Aleksandr B. Makeyev, Ilya V. Vikentyev, Elena V. Kovalchuk, Vera D. Abramova, Vsevolod Yu. Prokofyev

    Published 2024-12-01
    “…The veins have a conformable and cross-cutting occurrence in two types of rocks: gray limestones and black siliceous-carbonaceous shales, the area is known as the Goniatite occurrence. …”
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  18. 518

    The problem of dating the Kuyeda-Klyuchiki section – a unique locality of Permian vertebrates (Perm Region, Russia) by A.S. Bakaev, V.V. Bulanov, I.Ya. Ilaltdinov, D.D. Kozhanov, G.Yu. Ponomareva, I.S. Khopta

    Published 2021-09-01
    “…Their remains are confined to limestones of various textures, which form two bone-bearing beds in the section of the quarry. …”
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  19. 519

    Paleogeography and regional interpretation of facies in Tirgan Formation, west of Kopet-Dagh sedimentary basin, northeast of Iran by Atefeh Chenarani, Meysam Shafiee Ardestani, Mohamad Vahidinia

    Published 2021-10-01
    “…Finally, in the upper Barremian-lower Aptian, a stable condition was govern for the entire area, led to the deposition of orbitolina bearing limestones totally in the study area. Vertical distribution of facies belts shows that the eastern part of the study area (e.g. …”
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