Showing 1 - 20 results of 40 for search 'Mantle (geology)', query time: 0.09s Refine Results
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    Crustal and Upper Mantle Structure of the Assam Valley Region, NE India: A Review of Geophysical Findings by Ilya Lozovsky, Ivan Varentsov, Devesh Walia

    Published 2025-01-01
    “…This manuscript reviews the geological and tectonic settings of the region and summarizes recent geophysical studies, including seismic, gravity, magnetic, and magnetotelluric surveys conducted in the Assam Valley and adjacent areas (within latitudes 24.5–28.5° N and longitudes 89–97.5° E). …”
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    Subvolcanic petrology of the Pico dos Três Estados region (SE Brazil): Implications for Alkaline Magmatic Evolution by Graciano Carlos de Freitas, Artur Corval, Júlio Cesar Lopes da Silva, Helena Saraiva Koenow Pinheiro, Sérgio de Castro Valente

    Published 2025-02-01
    “…The modal batch partial melting shows the possible mantle sources for the magmatism in this area. This data pointed out the involvement of an enriched mantle source in the La/Yb ratio by at least 16 times more than an Oceanic Island Basalt (OIB)-type mantle.…”
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    Petrogenesis of Intrusive body in Northeast of Joveinan, North of Isfahan, Urumieh- Dokhtar magmatic zone by Shahzad Sherafat, Majid Zeidi, Mahnaz Khodami

    Published 2024-10-01
    “…The only available information is derived from investigations carried out during the preparation of the Kashan geological map 1:100000 and Ghohroud geological map 1.25000. …”
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    Petrogenetic evidences in geodynamics and placement of Nordoz intrusive masses in Alborz-Azerbaijan structural zone by Shahryar Mahmoudi, Shiva Lavi, Shohreh Hassanpour, Amir Ali Tabakh Shabani, Mehran Yegane Far

    Published 2024-12-01
    “…This behavior can be explained by contamination of magma derived from a depleted asthenospheric mantle with lithospheric sediments during oceanic crust subduction and upper mantle wedge metasomatism. …”
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    Petrology of Oligocene Lalehzar igneous rocks in the southeast of Saveh-Naein-Jiroft magmatic belt by Fatemeh Sepidbar, Bahareh Borouzi Niyat

    Published 2024-12-01
    “…Major oxides and trace/minor elements were analyzed by XRF and PQ2 Turbo ICP-MS methods at Institute of Geology and Geophysics, Chinese Academy of Sciences (IGGCAS) in Beijing. …”
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