Showing 161 - 180 results of 195 for search '"basalt"', query time: 0.06s Refine Results
  1. 161

    Les fours « à pain » dans les Gaules et les Germanies (ve s. av. J.-C.-ve s. apr. J.-C.), un regard technique by Nicolas Monteix, Camille Noûs

    Published 2021-12-01
    “…While the shape of the dome makes the oven energy-intensive, other features help to improve its energy capacity, such as a basalt ring at the base of the dome and a sole built of baked clay on a thick layer of sand. …”
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    Article
  2. 162

    The Influence of Coffee Husk Ash as a Filler on the Performance of Bituminous Concrete Mix by Amare Tilahun Tessema, Getachew Asefa Alene, Natnael Melsew Wolelaw

    Published 2022-01-01
    “…The present study investigates the effect of coffee husk ash compared to basaltic stone dust on the performance of bituminous concrete mixes for road construction. …”
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  3. 163

    Accelerated non-linear destruction of the earth's crust by E. V. Artyushkov

    Published 2001-01-01
    “…In most areas, at depths ∼20–40 km the continental crust is composed of basalts with density ∼2900kg m−3. At temperature and pressure typical for this depth, basalts are metastable and should transform into another assemblage of minerals which corresponds to garnet granulites and eclogites with higher densities 3300–3600 kg m−3. …”
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  4. 164

    Engineering geological evaluation of Bowa Dayole dam site, North Shewa Zone, Oromia, Ethiopia by Ashu Fekadu, Yadeta C. Chemeda, Shankar Karuppannan, Endalu Tadele Chala

    Published 2025-01-01
    “…Despite this, the engineering geology is complicated by the presence of highly fractured and weathered aphanitic basaltic rock, along with a weak unwelded to welded tuff rock mass in the dam foundation. …”
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  5. 165

    MINERALOGY AND GENESIS OF ULTRAMAFIC ROCKS FROM THE KURTUSHIBA OPHIOLITE BELT (WESTERN SAYAN) by V.A. Simonov, A.I. Chernyshov, A.V. Kotlyarov

    Published 2022-06-01
    “…The study of melt inclusions revealed the evolution of melts (picrites – picrobasalts – basaltsbasaltic andesites) during the consecutive crystallization of minerals from the Western Sayan ophiolites. …”
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  6. 166

    CRYSTALLIZATION CONDITIONS OF OLIVINE IN DUNITES THE GULI MASSIF, SIBERIAN PLATFORM by V.A. Simonov, A.V. Kotlyarov, V.V. Sharygin, Yu.R. Vasiliev

    Published 2024-03-01
    “…The formation of olivine and chromite from picrite-meimechite ultramafic magmas was followed by the fractionation of clinopyroxenes from basaltic systems with the formation of residual high-alkaline melts. …”
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  7. 167

    Deep mantle earthquakes linked to CO2 degassing at the Mid-Atlantic Ridge by Zhiteng Yu, Satish C. Singh, Cédric Hamelin, Léa Grenet, Marcia Maia, Anne Briais, Lorenzo Petracchini, Daniele Brunelli

    Published 2025-01-01
    “…Syntheses of regional basaltic rock samples and their geochemical analyses indicate the presence of an abnormally high quantity of CO2 (~0.4–3.0 wt%) in the primary melts. …”
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  8. 168

    Evaluating the Depth–Age Hypothesis for the Evolution of the Lunar Regolith by Gwendolyn D. Bart

    Published 2025-01-01
    “…To test the hypothesis, I compare published, measured regolith depths on mare basalts with published, measured surface ages of those mare. …”
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  9. 169

    USE OF ISOTOPE DILUTION METHOD FOR DETERMINATION OF Ce, Sm, AND Yb ABUNDANCES IN GEOLOGICAL SAMPLES BY ICP-MS by Cao Đông Vũ, Trương Đức Toàn, Nguyễn Đăng Khánh, Đỗ Tâm Nhân, Võ Trần Quang Thái, Nguyễn Lê Anh, Nguyễn Việt Đức, Nguyễn Giằng, Nguyễn Trọng Ngọ

    Published 2019-08-01
    “…For the first time in Vietnam, ID-ICP-MS has been successfully applied to determine three rare earth elements Ce, Sm, and Yb in basaltic geological samples (BHVO-2 and BCR-2) with high accuracy and reproducibility (<5%). …”
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  10. 170

    Petrogenesis and geodynamic implication of the newly recorded Cryogenian Suwaj adakitic magmatism at the eastern Arabian-Shield by Mahmoud M. Hassan, Osama K. Dessouky, Abdullah M. Al Shammari, Adeeb N. Al Barakati, Saad M. Al Garni, Mubark M. Al Nahdi, Ashraf N. Al Qubsani, Wadee A. AlKashghari, Sobhi Nasir, Kamal A. Ali, Mahrous Abu El-Enen

    Published 2025-01-01
    “…The geochemical characteristics of the Suwaj granitoids suggest typical adakite formation resulting from the melting of the basaltic portion of the young, hot oceanic slab. The age correlation between the Halaban ophiolite and the Suwaj Suite aligns with adakite formation in convergent margins. …”
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  11. 171

    The carbon isotopic signature of the upper mantle is heterogeneous by Yves Moussallam, Kenneth T. Koga, Estelle F. Rose–Koga, Cyril Aubaud, Hyun Joo Lee, Guillaume Georgeais

    Published 2025-01-01
    “…Abstract Knowledge of the carbon isotopic (δ13C) signature of the mantle source region of mid–ocean ridge basalts, is key to understanding carbon cycling on a planetary scale. …”
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  12. 172

    Revisiting the 10th‐Century Eldgjá Eruption: Modeling the Climatic and Environmental Impacts by Herman F. Fuglestvedt, Imogen Gabriel, Michael Sigl, Thorvaldur Thordarson, Kirstin Krüger

    Published 2025-01-01
    “…Abstract The 10th‐century Eldgjá eruption in Iceland is the largest basaltic flood lava eruption of the Common Era. However, the extent of its impacts is unclear due to limited historical records. …”
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  13. 173

    Amethyst Deposits of the Los Catalanes Gemological District (Artigas Department): The First Uruguayan IUGS Geological Heritage Site by César Goso, Mauricio Faraone

    Published 2023-12-01
    “…The Paraná igneous province, a dominant tholeiitic basaltic and scarce acidic province that extends into parts of Brazil, Paraguay, Argentina and Uruguay, contains amethyst and agate deposits of unique international significance because of frequent mega-geode concentration, enormous reserves, and gemstone quality of varied size and forms. …”
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  14. 174

    Effect of Elevated Temperatures on Mortar with Naturally Occurring Volcanic Ash and Its Blend with Electric Arc Furnace Slag by Nauman Khurram, Kaffayatullah Khan, Muhammad Umair Saleem, Muhammad Nasir Amin, Usman Akmal

    Published 2018-01-01
    “…The mechanical behavior of basaltic volcanic ash (VA) and fly ash (FA) as a cement replacement under elevated temperatures is mainly investigated in the current study. …”
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  15. 175

    REE-Nb MINERALIZATION IN TRACHYTES AND RHYOLITES OF THE KHULAM VOLCANO-PLUTONIC COMPLEX, NORTH CAUCASUS by E.N. Kaigorodova, O.A. Nabelkin, P.M. Kartashov, V.A. Lebedev

    Published 2021-12-01
    “…The igneous rocks of the Khulam Complex (intrusive and subvolcanic facies) belong to the contrasting differentiated bimodal association: (gabbro + basaltic trachyandesite) – (trachyte + rhyolite). Their main petrological and geochemical characteristics and ore mineralization are discussed. …”
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  16. 176

    Geohazard mapping and mitigations along the road corridor Gasera–Indeto, Southeast Ethiopia by Chalachew Tesfa

    Published 2025-02-01
    “…Based on the analysis lithology (basaltic and limestone formations) showed the highest contributions for landslide in the area. …”
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  17. 177

    Le hameau moderne abandonné de Pré-Rigot (Compains, Puy-de-Dôme) by Frédéric Surmely, Jay Franklin, Amélie Berthon, Alban Horry

    Published 2018-02-01
    “…The site is located at the edge of a high basaltic plateau in the Sancy mountains, at an altitude of 1100 m. …”
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  18. 178

    Petrology and Tectonic Geophysics of Massive and Foliated Eclogites in the North Qilian Orogenic Belt: Changes in Mineral Composition, Oxygen Fugacity, and Fabric during Exhumation by Feng Wang, Daorong Zhou, Xunhua Zhang

    Published 2022-01-01
    “…Among them, eclogite is a kind of protolith, which is basaltic or gabbro high pressure metamorphic rock, mainly composed of garnet and chlorite which are two kinds of minerals. …”
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  19. 179

    Physicochemical Properties and Fertility Assessment of Soils in Foumban (West Cameroon) by Vivien Piercy Lotse Tedontsah, Michel Bertrand Mbog, Gilbert François Ngon Ngon, Robert Christel Edzoa, Bernard Tassongwa, Dieudonné Bitom, Jacques Etame

    Published 2022-01-01
    “…The results obtained showed that the soils of Foumban present three classes of fertility, namely: class one (01) includes soils with a good level of fertility that are plaggic hortic NITISOLS (arenic) (NIpha), the chernic arenic UMBRISOLS (UMca), umbric arenic FERRALSOLS (Flua), mollic fragic NITISOL (hortic) (NImfh), the cambic hortic FERRALSOLS (plaggic) (FLchp) on basalts, umbric pisoplinthic PLINTHOSOLS (haplic) (PLuph), nitic CHERNOSOLS (pretic) (CHnp), and cambic FRAGISOLS (plaggic) (FGcp) with an area of about 528.71 Km2. …”
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  20. 180

    Landslide Hazard Assessment and Zonation by using Slope Susceptibility Evaluation Parameter (SSEP) Rating Scheme- a Case from Debre Sina, Northern Ethiopia by Tamene Tadele

    Published 2022-02-01
    “…The geology of the area includes quaternary sediments, ignimbrite, rhyolite, different kinds of basalts, and tuff deposits, which are highly weathered and changed into unconsolidated sediments at some localities. …”
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