Showing 2,401 - 2,420 results of 2,575 for search '"rock ', query time: 0.07s Refine Results
  1. 2401

    Origin of Boron and Brine Evolution in Saline Springs in the Nangqen Basin, Southern Tibetan Plateau by Ji-long Han, Feng-qing Han, Syed-Asim Hussain, Wen-yu Liu, Xiu-qing Nian, Qing-fei Mao

    Published 2018-01-01
    “…Moreover, they have a crustal origin (marine carbonate rocks and volcanic rocks) instead of a deep mantle source.…”
    Get full text
    Article
  2. 2402

    ASSESSMENT AND MAPPING OF THE MUDFLOW PHENOMENA INTENSITY IN CHARYN STATE NATIONAL NATURAL PARK by Zhanerke M. SHARAPKHANOVA, Yuisya F. LYY, Kamshat B. YEGEMBERDIYEVA

    Published 2024-08-01
    “…Based on indicators such as lithological composition of rocks, vertical dissection, surface slope and vegetation the assessment using number score was carried out and map of the territory of the Charyn SNNP was created. …”
    Get full text
    Article
  3. 2403

    A Rapid Cu Enrichment Mechanism from Cu-Bearing Brine in Kuqa Basin, Xinjiang, China: Controlled by Crystallized Sequence of Saline Minerals by Yangtong Cao, Haiming Xu

    Published 2021-01-01
    “…However, our recent studies reveal that Cu enrichment is closely related to brine on the surface of clastic rocks in the basin. It is shown that green Cu mineral coexisting with halite and gypsum occurred in the fractured fault belts of sandstones or was precipitated with halite on the surface of maroon clay in the scallops of sandstone. …”
    Get full text
    Article
  4. 2404

    Development of Open Transport of Aqueous Fluid from Pegmatite Revealed by Trace Elements in Garnet by Astin Nurdiana, Atsushi Okamoto, Masaoki Uno, Noriyoshi Tsuchiya

    Published 2022-01-01
    “…The primary fluid inclusions in quartz crystals within the pegmatites hosted by the quartz diorite and hosted by the metamorphic rocks have a wide range of homogenization temperatures (200–380°C). …”
    Get full text
    Article
  5. 2405

    Effect of Weathering on Cd Mobilization in Different Sedimentary Bedrock Soils by Yongqiang Ning, Minglong Yang, Chutong Liu, Jiazhong Huang, Tianyi Wang, Yong Pang, Quanheng Li

    Published 2025-01-01
    “…Nevertheless, there is scarce knowledge concerning the natural weathering input of Cd, particularly that from sedimentary rocks as bedrocks. Herein, we endeavored to explore the contribution of various sedimentary rocks (Quaternary sediments, mudstone, limestone, sandstone, shale, greywacke, and marl) under similar weathering conditions to the input of Cd in agricultural soils. …”
    Get full text
    Article
  6. 2406

    Strength and Cost Analysis of New Steel Sets as Roadway Support Project in Coal Mines by Qinghai Li, Renshu Yang, Jingkai Li, He Wang, Zhijie Wen

    Published 2018-01-01
    “…Roadway support in swelling soft rocks in coal mines has become a critical challenge in recent years. …”
    Get full text
    Article
  7. 2407

    Electrokinetics in Earth Sciences: A Tutorial by L. Jouniaux, T. Ishido

    Published 2012-01-01
    “…We describe in this paper the theoretical background for the electrokinetics in rocks and in porous media, to be included in the special issue “Electrokinetics in Earth Sciences” of International Journal of Geophysics. …”
    Get full text
    Article
  8. 2408

    NEW CHALLENGES IN ABRASIVE WATER JET MACHINING by CATALINA CIOFU, CATALIN TAMPU, EUGEN HERGHELEGIU, COSMIN ALEXANDRU IANCU, GHEORGHE BRABIE

    Published 2019-12-01
    “… Abrasive water jet machining (AWJM) is one of the most important method used in cutting different types of materials: alloy sheet, marble, glass, rocks. This process is used in the aeronautic, automotive, metallurgy industries and even in some art techniques and textile industry. …”
    Get full text
    Article
  9. 2409

    Close enough? Professional closeness and safe caring by Andrew Kendrick, Mark Smith

    Published 2002-09-01
    “…In countries around the world, residential child care has been rocked by scandals of abuse of children and young people by the people who were supposed to be caring for them. …”
    Article
  10. 2410

    Boron isotopes fractionation and its application progress in groundwater research by Chenbo LEI, Huaming GUO, Shiping XING

    Published 2024-11-01
    “…Boron (B) is ubiquitous in natural water bodies and rocks. Because of the large relative mass difference between the two stable isotopes of B, 10B and 11B, the B isotopes are susceptible to significant fractionation. …”
    Get full text
    Article
  11. 2411

    MINERALOGY AND ORE FORMATION CONDITIONS OF THE NAILY GOLD DEPOSIT (SOUTH URALS) by A.D. Smirnitskaya, E.A. Rozhkova, E.V. Belogub, K.A. Novoselov, M.V. Zabotina, M.A. Rassomakhin

    Published 2024-12-01
    “…The paper examines mineralogy of noble metals and ore formation conditions at the Naily gold deposit (South Urals), which is hosted in pyrite-bearing talc-carbonate, chlorite-quartz-carbonate and quartz-carbonate metasomatites after serpentinites and rocks of a gabbrodiorite-plagiogranite complex. Based on microscopic and electron microscopic studies of polished sections and heavy concentrates, it is established that native gold and Au tellurides are the major Au minerals of veins, metasomatites after intermediate and felsic intrusive rocks and foliated serpentinites. …”
    Get full text
    Article
  12. 2412

    Structural and Mineralogical Characterization of a Fossil Hydrothermal System Located at the Outermost Front of the Southern Apennines Fold-and-Thrust Belt by Paolo Fulignati, Fabrizio Agosta, Claudia Belviso, Giacomo Prosser, Antonio Lettino, Angela Vita Petrullo, Francesco Cavalcante

    Published 2019-01-01
    “…These hot fluids altered and mineralized the matrices of pyroclastic rocks and sealed both burial-related and fault-related fracture networks. …”
    Get full text
    Article
  13. 2413

    Solving geocryology problems based on generalized Fourier theory for temperature waves in half-space by Anatoliy M. Afanasyev, Yulia S. Bakhracheva

    Published 2024-12-01
    “…Currently, in geocryology, to predict seasonal changes in the state of frozen rocks and soils, Fourier formulas obtained earlier are widely used, modeling temperature fluctuations in the surface layer of the earth’s crust caused by annual fluctuations in its surface temperature. …”
    Get full text
    Article
  14. 2414

    Devonian–Mississippian magmatism related to extensional collapse in Svalbard: implications for radiating dyke swarms [version 1; peer review: 2 approved] by Gillian R. Foulger, Sebastian Tappe, Jean-Baptiste P. Koehl, Ingrid M. Anell

    Published 2024-12-01
    “…The sills are unconformably overlain by relatively undeformed Pennsylvanian–Mesozoic sedimentary rocks and crosscut by Cretaceous dykes of the High Arctic Large Igneous Province. …”
    Get full text
    Article
  15. 2415

    Rapid Determination of 226Ra and Uranium Isotopes in Solid Samples by Fusion with Lithium Metaborate and Alpha Spectrometry by R. Bojanowski, Z. Radecki, R. Piekoś

    Published 2002-01-01
    “…A simple and rapid method has been developed to determine 226Ra in rocks, soils, and sediments. Samples are decomposed by fusion with lithium metaborate and the melt is dissolved in a solution containing sulfates and citric acid. …”
    Get full text
    Article
  16. 2416

    Death and taphonomy of Holocene stromatolites from Lagoa Vermelha, Brazil by Keim, Carolina Neumann, Farina, Marcos

    Published 2023-08-01
    “…Stromatolites are laminated rocks, comprising both authigenic and allochthonous materials, which arise under strong influence of both microorganisms and environmental conditions. …”
    Get full text
    Article
  17. 2417

    Evaluation of Iron Ore Deposits in Elayiram Pannai, Sattur Taluk, Virudhunagar District and Tamilnadu using 2D Electrical Resistivity Imaging by Ravindran A Anthony

    Published 2013-07-01
    “…The banded iron ore deposits are highly conductive and can be easily distinguish from pseudosection image contrast of the rocks in the studied area. Keywords: Iron Ore, 2d Electrical Resistivity Imaging, Apparent Resistivity, Pseudosection J. …”
    Get full text
    Article
  18. 2418

    Evaluation of Iron Ore Deposits in Elayiram Pannai, Sattur Taluk, Virudhunagar District and Tamilnadu using 2D Electrical Resistivity Imaging by Ravindran A Anthony

    Published 2013-07-01
    “…The banded iron ore deposits are highly conductive and can be easily distinguish from pseudosection image contrast of the rocks in the studied area. Keywords: Iron Ore, 2d Electrical Resistivity Imaging, Apparent Resistivity, Pseudosection J. …”
    Get full text
    Article
  19. 2419

    A Metastable Aluminosilica Compound for Aluminum and Water Transport to the Upper Mantle by Frans J. M. Rietmeijer, Joseph A. Nuth

    Published 2009-01-01
    “…This experimentally produced kaolinite-dehydroxylate is highly reactive and it is proposed as the precursor of phase egg in subducting slabs of crustal rocks. If so, metastable phases play a role in subduction zones and it then follows that the processes and resulting conditions in these environments can be nonuniform and discontinuous at least at micrometer scales.…”
    Get full text
    Article
  20. 2420

    Study on Seismic Dynamic Response of Deep-Buried Tunnel Based on Tectonic Stress by Junjie He, Song Hu, Yonggang Guo

    Published 2022-01-01
    “…Dynamic mechanical parameters of the rocks were acquired through in-situ testing. Moreover, indoor tests were conducted to obtain the physical and mechanical properties of the rocks. …”
    Get full text
    Article