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Lena River biogeochemistry captured by a 4.5-year high-frequency sampling program
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Late Ediacaran juvenile magmatism in the Variscan Monts-du-Lyonnais metamorphic complex (Massif Central, France)
Published 2024-01-01“…LA–ICP–MS zircon U–Pb dating reveals a latest Ediacaran (c. 545 Ma) crystallization age for the melt that yielded the tonalites. Whole-rock geochemistry (notably pronounced Nb negative anomalies) and the highly radiogenic zircon Hf isotope compositions, with εHf(545Ma) of c. +11 (within the range expected for the Depleted Mantle reservoir), indicate that the parental melt of the tonalites ultimately originated from a mantle source metasomatized by oceanic slab-derived fluids. …”
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Petrology of Oligocene Lalehzar igneous rocks in the southeast of Saveh-Naein-Jiroft magmatic belt
Published 2024-12-01“…In this study, zircon U-Pb dating, and whole-rock geochemistry and Sr-Nd isotopic analyzes were performed on granitoid rocks (granite and granodiorite) and associated volcanics. …”
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Gas Chromatography Coupled to High Resolution Time-of-Flight Mass Spectrometry as a High-Throughput Tool for Characterizing Geochemical Biomarkers in Sediments
Published 2018-01-01“…GC-HRTofMS reduces both sample preparation time and the number of chromatographic runs compared to traditional methodologies used in organic geochemistry. Particularly, the approach based on in-situ derivatization thermal desorption represents a very simple method that can be performed in-line employing few milligrams of sediment, eliminating the need for any sample preparation and solvent use. …”
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CONTRIBUTION TO THE GEOCHEMICAL STUDY OF KANZI AND MVUANGU PHOSPHATE ROCKS IN THE LEMBA OIL SUB-BASIN OF CENTRAL CONGO
Published 2024-07-01“…It is also an important contribution in the field of geochemistry and gravimetry.…”
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À propos de quelques outils de collecte de données : réflexions sur les pratiques numériques en archéologie
Published 2021-05-01“…They concern the design and implementation of such devices for researchers from heterogeneous disciplinary horizons (archaeology, prehistory, geography, petrography, mineralogy, geochemistry, etc.); their practices are modified, to a variable extent, by the conditions and contexts in which these digital devices are implemented.…”
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Good soil management can reduce dietary zinc deficiency in Zimbabwe
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Influence of minor hydrocarbon seepage on sulfur cycling in marine subsurface sediments
Published 2025-02-01“…However, these low and often unnoticed upward HC fluxes still influence the geochemistry of surrounding sediments and potentially stimulate metabolic activity by microbial populations in shallow subseafloor environments.…”
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Defining geosciences research data through metadata reuse:
Published 2025-02-01“…The data come from a range of disciplines, including geochemistry, atmospheric science, paleontology, oceanography, geophysics, and hydrology, using technologies such as satellites, electronics microscopes, climate sensors, ships, computer modeling, and others. …”
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MINERALOGY OF THE VORONTSOVSKOE GOLD DEPOSIT (NORTHERN URALS). PART 4: OXYSALTS
Published 2021-09-01Get full text
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