Showing 201 - 220 results of 586 for search '"quartzite"', query time: 0.15s Refine Results
  1. 201

    Comparative assessment of aquifer susceptibilities to contaminant from dumpsites in different geological locations by K.A.N. Adiat, A.A. Adegoroye, A.D. Adebiyi, B.E. Akeredolu, A.A. Akinlalu

    Published 2019-05-01
    “…Geophysical and hydro-chemical investigations have been undertaken within the vicinity of Arapaja, Apete and Sabo dumpsites monolithically underlain by three different rock types namely; Migmatite Gneiss, Quartzite, and Granitic Gneiss respectively in a basement complex of Ibadan, southwestern Nigeria. …”
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  2. 202

    Lithological and structural mapping of parts of southwestern Nigeria using aeromagnetic data by Emmanuel Ike, Adetola Sunday Oniku, Sabastine Chinedu Ezike, Rodney Ewusi-Wilson

    Published 2024-01-01
    “…The NE-SW trend is typical of major lithospheric processes and fracture lines cross-cutting formation(s) underlying Ikogosi warm spring, Ipole-Iloro waterfall, Arinta waterfall and Effon-Alaaye waterfall (all in Ekiti state), and Erin-Ijesha waterfall (Osun State) which also dominated the current position of granite and adjoining fractures. The quartzite belt stretching in NE–SW direction is an aquifer network with significant storage potential. …”
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  3. 203

    Preparation of ZnO like–Nanoflower by Hydrothermal Method by K.S. Shaker, S.S. Shaker

    Published 2017-02-01
    “…Synthesized Zinc oxide nanostructures possess a hexagonal quartzite temple. ZnO powders were measured by Also using Zeta potential and Particle Size Analyzers and size distribution of the ZnO powder using particle size analyzer (NanoBrook 90Plus Particle Size Analyzer) .…”
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  4. 204

    Metamorphosed and deformed pillows from Losomäki: evidence of sub-aqueous volcanism in the Outokumpu association, eastern Finland by A.F. Park, D.R. Bowes

    Published 1981-12-01
    “…The occurrence of these sub-aqueous volcanic assemblages, together with the previously described serpentinite—metadolomite—non-detrital quartzite—cupriferous sulphide ore—black schist assemblage, is similar to those found in both Phanerozoic ophiolite complexes and the lower members of Archaean greenstone belts. …”
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  5. 205

    Regional technogenic changes in ecogeodynamic conditions of the development of iron ore deposits in Kryvbas by H. I. Rudko, Ye. O. Yakovlev

    Published 2018-07-01
    “…The major factors of technogenic changes in an ecological state of the geological environment during development of ferruginous quartzite deposits have been determined. The big mining complex in Kryvbas is a complex natural-technogenic geosystem with the mainly irreversible use of raw material resources the renewable ability of which is quite low. …”
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  6. 206

    GIS as a tool to detect flat erosional surfaces in coastal areas: a case study in North Spain by M.J. DOMÍNGUEZ-CUESTA, M. JIMÉNEZ-SÁNCHEZ, J.A. GONZÁLEZ-FERNÁNDEZ, L. QUINTANA, G. FLOR, G. FLOR-BLANCO

    Published 2015-06-01
    “…From a lithological point of view, rasas are modelled on Ordovician quartzite (9.7km2 of 1,228) mainlybetween 132–232m above sea level (a.s.l.) altitude and on Carboniferous limestone (2.9km2 of 1,228) mainlybetween 24–69m a.s.l. …”
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  7. 207

    A New Alpine Metallogenic Model for the Pb-Ag Orogenic Deposits of Macôt-la Plagne and Peisey-Nancroix (Western Alps, France) by Maxime Bertauts, Emilie Janots, Magali Rossi, Isabelle Duhamel-Achin, Marie-Christine Boiron, Laura Airaghi, Pierre Lanari, Philippe Lach, Chantal Peiffert, Valérie Magnin

    Published 2022-08-01
    “…Both deposits are located in Permo-Triassic quartzite of the External Briançonnais domain along the Internal Briançonnais Front (Internal Western Alps). …”
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  8. 208

    A petrographic and chemical analysis of Trinidad pre-colonial ceramics by Anneleen Stienaers, Bert Neyt, Corinne Hofman, Patrick Degryse

    Published 2020-01-01
    “…Four main petrofabric groups are identified and described: a shell-tempered group, a sponge spicules group, a grog group and a micaschist/quartzite group. All evidence suggest an origin local to the island. …”
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  9. 209

    Four new species of ,<i>Erica</i> (Ericaceae) from Western Cape, South Africa by E. G. H. Oliver, I. M. Oliver

    Published 2001-09-01
    “…richardii E.G.H.Oliv., rare and localized on quartzite cliffs in the foothills of the Great Swartberg north of Klaarstroom, E. …”
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  10. 210

    Impact of mechanical resistance of aggregate on properties of concrete by Jacek Góra, Wojciech Piasta

    Published 2020-12-01
    “…Research included aggregate crushing resistance and mechanical properties of 24 concretes with: basalts, granites, granodiorite, dolomite, quartzite, gravels from 13 Polish and Ukrainian mines. …”
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  11. 211

    Re-evaluating the sub-Caledonian erosion surface at the border of the Caledonides in Enontekiö Lapland, north-western Finland by Jyrki J. Lehtovaara

    Published 1985-02-01
    “…The rock now exposed is a quartzite that has yielded to erosion, so causing the more com­mon, undulating topography. …”
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  12. 212

    Records of Mesoproterozoic taphrogenic events in the eastern basement of the Araçuaí Orogen, southeast Brazil by Tobias Maia Rabelo Fonte-Boa, Tiago Amâncio Novo, Antônio Carlos Pedrosa-Soares, Ivo Dussin

    “…We also present U-Pb data for 87 detrital zircon grains from a quartzite lens intercalated in the Pocrane complex, the Córrego Ubá quartzite. …”
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  13. 213
  14. 214

    Melting of high-carbon ferrochrome using coal of the saryadyr deposit by Ye. Kuatbay, A. Nurumgaliyev, Ye. Shabanov, O. Zayakin, S. Gabdullin, T. Zhuniskaliyev

    Published 2022-01-01
    “…During a large-scale laboratory test, it was also established that the cost of the alloy was reduced due to the partial replacement of expensive coke and removes the fluxing component of quartzite from the charge composition, and improves the TPE of the high-carbon ferrochrome smelting process.…”
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  15. 215

    Destructive care by Anna Varfolomeeva

    Published 2021-04-01
    “…Since the 18th century, Veps have been extracting rare ornamental stones: gabbro-diabase and raspberry quartzite. The article demonstrates that Veps workers engage in close bodily and material interactions with the mining industry. …”
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  16. 216

    Deformational History Reconstruction of Basement Complex Rocks in Okomita, Ojirami and Environs, South Western Nigeria by A. Ogbamikhumi, A. O. Ehinlaiye, C. K. Andrew

    Published 2024-03-01
    “…Results of the field work embarked upon revealed that the major rocks encountered include older granite and metasediments like mica schist, quartzite and gneiss. The analysis of the structures contained in the rocks was achieved by plotting the orientation of the structures on rose diagrams and stereonet. …”
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  17. 217

    Feasibility of Using Sugar Cane Bagasse Ash in Partial Replacement of Portland Cement Clinker by Sâmara França, Leila Nóbrega Sousa, Sérgio Luiz Costa Saraiva, Maria Cecília Novaes Firmo Ferreira, Marcos Vinicio de Moura Solar Silva, Romero César Gomes, Conrado de Souza Rodrigues, Maria Teresa Paulino Aguilar, Augusto Cesar da Silva Bezerra

    Published 2023-03-01
    “…Furthermore, the use of SCBA RG at 30% inhibited the alkali–silica reaction (ASR) in concretes with a reactive basalt and quartzite aggregate. SCBA G (20 and 30%) and SCBA RG (10 and 20%) inhibited the ASR in concretes with a reactive basalt aggregate and reduced the expandability in concretes with a reactive quartzite aggregate. …”
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  18. 218

    Effect of solid impurity on creep behavior of salt rocks of the Hormoz formation by Farhad Abedi, Mahdi Moosavi, Abbas Bahroudi, Alireza Moazenian

    Published 2020-12-01
    “…The tested samples were categorized into seven different groups, based on the quantity of the impurity, which consists mainly of anhydrite and quartzite. Laboratory tests showed that the uniaxial compressive and tensile strength values increase by increasing the solid impurity in the samples. …”
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  19. 219

    East Greenland Caledonides: stratigraphy, structure and geochronology: Lower Palaeozoic stratigraphy of the East Greenland Caledonides by Smith, M. Paul, Rasmussen, Jan Audun, Robertson, Steve, Higgins, A.K., Leslie, A. Graham

    Published 2004-12-01
    “…The Slottet Formation (new) is a Lower Cambrian quartzite unit, containing Skolithos burrows, that is present in the Målebjerg and Eleonore Sø tectonic windows, in the nunatak region of North-East Greenland. …”
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  20. 220

    Paleontological evidence for Late Cambrian in the Arburese area, SW Sardinia by Musumeci Giovanni, Mazzarini Francesco, Bagnoli Gabriella, Ribecai Cristiana

    Published 2005-12-01
    “…In the lower part of the section, two quartzitic levels are rich in lingulid (brachiopods) shell fragments. …”
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