Showing 161 - 180 results of 190 for search '"geochemistry"', query time: 0.06s Refine Results
  1. 161

    Geology of the Michelangelo quadrangle (H12), Mercury by Salvatore Buoninfante, Valentina Galluzzi, Luigi Ferranti, David A. Rothery, Harald Hiesinger, Laura Guzzetta, Felix Prüße, Benjamin Man, Annie R. Lennox, Alistair Blance, Maurizio Milano, Pasquale Palumbo

    Published 2025-12-01
    “…Geologic contacts and linear features were drawn at a mapping scale between 1:300,000 and 1:600,000, based on photointerpretation of MErcury Surface, Space ENvironment, GEochemistry, and Ranging (MESSENGER) Mercury Dual Imaging System (MDIS) imagery. …”
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  2. 162

    Geological, alteration, mineralogy and geochemical studies of the Copper deposit in the Kalatehno prospect area, northwest of Gonabad (Khorasan Razavi province) by Sedigheh Zirjanizadeh, Roohollah Miri Bydokhti

    Published 2024-10-01
    “…., (2016) and Zirjanizadeh (2015), which focus on petrology, geochemistry, mineralization, and alteration of igneous rocks northwest Gonabad and Kalatehno area. …”
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  3. 163

    Triggering the 2022 eruption of Mauna Loa by Kendra J. Lynn, Drew T. Downs, Frank A. Trusdell, Penny E. Wieser, Berenise Rangel, Baylee McDade, Alicia J. Hotovec-Ellis, Ninfa Bennington, Kyle R. Anderson, Dawn C. S. Ruth, Charlotte L. DeVitre, Andria P. Ellis, Patricia A. Nadeau, Laura Clor, Peter Kelly, Peter J. Dotray, Jefferson C. Chang

    Published 2024-11-01
    “…Careful correlation of both the geochemistry and instrumental monitoring data improves our ability to distinguish unrest from the run-up to eruption by providing deeper understanding of the both the monitoring data and the magmatic system—an approach that could be applied at other volcanic systems worldwide.…”
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  4. 164

    The Role of Microfabric and Laminae on Pore Structure and Gas Transport Pathways of Marine Shales from Sichuan Basin, China by Yi Shu, Shang Xu, Feng Yang, Zhiguo Shu, Pan Peng, Senxin Huang, He Zhen

    Published 2020-01-01
    “…This study investigated the effects of microfabric and laminae on the pore structure and gas transport pathways of the Silurian Longmaxi shales from Sichuan Basin. 23 shale samples with varied lithofacies were comprehensively investigated by mineralogy, organic geochemistry, pycnometry, and low-pressure nitrogen adsorption analysis. …”
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  5. 165

    Shale Heterogeneity in Western Hunan and Hubei: A Case Study from the Lower Silurian Longmaxi Formation in Well Laidi 1 in the Laifeng-Xianfeng Block, Hubei Province by Peng Zhang, Junwei Yang, Yuqi Huang, Jinchuan Zhang, Xuan Tang, Chengwei Liu

    Published 2022-01-01
    “…The shale’s heterogeneity is analyzed based on shale mineral rocks, microslices, geochemistry, and low-temperature N2 adsorption-desorption. …”
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  6. 166

    Petrology of the Eocene alkaline volcanism from the western Rio Grande Rise, South Atlantic Ocean by Julia Taciro Mandacaru Guerra, Valdecir de Assis Janasi, Priyeshu Srivastava, Priyeshu Srivastava, Miguel Angelo Stipp Basei, George Luiz Luvizotto, Luigi Jovane

    Published 2025-01-01
    “…Integrated petrography, mineral chemistry and whole-rock geochemistry suggests that these rocks have evolved in a complex transcrustal polybaric magmatic system, where crystals were remobilized by host liquids with different composition at distinct depths. …”
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  7. 167
  8. 168

    Relationship between Tectonism and Composition and Pore Characteristics of Shale Reservoirs by Fuhua Shang, Yanming Zhu, Haitao Gao, Yang Wang, Ruiyin Liu

    Published 2020-01-01
    “…To explore the relationship between tectonism and composition and pore characteristics of shale reservoirs, this research carried out mineralogy tests, organic geochemistry tests, field emission scanning electron microscopy (FE-SEM) experiments, and low-pressure gas adsorption (LPGA, N2 and CO2) experiments on the shale samples of various deformation intensities from Southwestern China. …”
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  9. 169

    Pore Preservation and Failure Mechanism of Sinian Dengying Formation Carbonate Reservoirs: A Case Study of Two Ultradeep Wells in the Sichuan Basin, Western China by Zeqi Li, Wei Sun, Shugen Liu, Zhiwu Li, Bin Deng, Juan Wu, Yi Ding, Kun Jiao, Xin Jin, Pengda Lu, Tengzhen Tian

    Published 2021-01-01
    “…This study performed thin-section, geochemistry, field emission scanning electron microscopy, fluid inclusion, and basin model analysis of samples from two boreholes over 8,000 m deep in the Sichuan Basin to determine the pore features and preservation mechanism of the Sinian (Ediacaran) Dengying Formation carbonate reservoirs. …”
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  10. 170

    Early Devonian Slab Melting of the Proto-Tethys Ocean: Insights from Adakitic Granitoids in the Jiayuguan Area, Hexi Corridor (NW China) by Qigui Mao, Wenjiao Xiao, Rui Li, Songjian Ao, Dongfang Song, Miao Sang, Hao Wang, Zhou Tan

    Published 2024-12-01
    “…In order to further constrain this issue, we explore geology, chronology, geochemistry, and isotopes of three newly discovered Early Devonian adakitic granitoids of the Jiayuguan complex in the North Qilian orogen, NW China. …”
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  11. 171

    Multiple Controls on the Accumulation of Organic-Rich Sediments in the Besa River Formation of Liard Basin, British Columbia, Canada by Jiyoung Choi, Hyun Suk Lee, Yuri Kim, Omid H. Ardakani, Sung Kyung Hong

    Published 2021-01-01
    “…High-resolution elemental geochemistry of three long continuous cored intervals of the Besa River Formation was used to better understand the paleodepositional environment of organic-rich intervals in this thick marine shale. …”
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  12. 172
  13. 173

    Influence of quartz types on mechanical parameters in the early silurian Longmaxi shale, Sichuan Basin by Qin Zhang, Feng Liang, Qun Zhao, Wen Liu, Weiliang Kong, Wanli Gao, Xinyu Zhang, Guangyin Cai, Tianquan Qu, Zhen Qiu

    Published 2024-12-01
    “…After systematic analysis of organic geochemistry, mineral composition, cathodoluminescence observation, major/trace elements, and log interpretation and calculation of shale mechanical parameters, the genetic mechanism of quartz was analyzed and the percentage of quartz of different origins and the influence on rock mechanical properties were evaluated quantitatively. …”
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  14. 174

    Magnetic susceptibility controlled by climate-driven weathering intensity by Aubineau Jérémie, Antonio Paul Y.J., El Bamiki Radouan, Parat Fleurice, Camps Pierre, Raji Otmane, Jourani Es-Said, Bodinier Jean-Louis, Macouin Mélina, Gilder Stuart, Rousse Sonia, Séranne Michel

    Published 2024-01-01
    “…Bulk mineralogy, Rietveld refinements of powder XRD patterns, and whole-rock geochemistry, combined with a MS investigation across a ∼290 m-thick Upper Cretaceous/Paleogene sedimentary sequence at Erguita, Morocco, imply that iron is exclusively detrital in origin. …”
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  15. 175

    Tracing Aquatic Macrophyte Development in Nansi Lake, Northern China's Largest Freshwater Lake: Plant Macrofossils From 1855 to Present by Qinghui Zhang, Yufei Wu, Liwei Yang, Zekun Li, Zonglei Li, Yuying Yang, Shiyue Chen, Enfeng Liu

    Published 2025-01-01
    “…Multiple factor analysis was employed to investigate the correlation between these shifts and changes in paleolimnological indicators (invertebrates, geochemistry, and grain size), as well as documented records related to hydrology, climate changes, and human activities. …”
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  16. 176

    Lithological and geochemical characterization of ‘adinole’ artefacts from cave deposits in southwest Wales: A material of choice during the late Middle to Upper Palaeolithic by Richard Bevins, Elizabeth A. Walker, Nick Pearce, Duncan Pirrie, Rob Ixer, Ian Saunders, Matthew Power

    Published 2025-03-01
    “…Twenty-three artefacts previously identified as being manufactured from adinole, a fine-grained metasomatic rock, from late Middle to Upper Palaeolithic cave sites in southwest Wales have been re-examined in terms of their petrology and geochemistry. Standard petrography has been combined with automated SEM-EDS analysis for a single artefact to determine the mineralogy and textures of that artefact, while portable XRF and μXRF have been combined to establish the geochemical characteristics of all twenty-three artefacts analysed. …”
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  17. 177

    Insights on the Permian tuff beds from the Saint-Affrique Basin (Massif Central, France): an integrated geochemical and geochronological study by Poujol, Marc, Mercuzot, Mathilde, Lopez, Michel, Bourquin, Sylvie, Bruguier, Olivier, Hallot, Erwan, Beccaletto, Laurent

    Published 2023-01-01
    “…Artinskian, $290.1\pm 0.26$ to $283.5\pm 0.6~\mathrm{Ma}$). The elemental geochemistry, the presence of inherited detrital zircons and the Hf signatures of the volcanic ones indicate the involvement of an old (Proterozoic and older) basement in the magma genesis; this crustal contribution becomes more prominent towards the top of the sedimentary succession.…”
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  18. 178
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  20. 180

    Water–rock interaction in the geothermal systems related to post-collision zone volcanism: A case study based on multivariate statistical analysis from the Kavak geothermal field (... by Gündüz, Mesut, Bozdağ, Ayla, Bayram, Ali Ferat, Bozdağ, Ali, Asan, Kürşad, Sardini, Paul

    Published 2023-12-01
    “…In this study, we re-evaluate the published data, including water chemistry and volcanic and metamorphic whole-rock geochemistry from the Kavak geothermal field (Konya, Turkey) by using multivariate statistical analysis (e.g. factor analysis and clustering analysis) to research possible interaction between the thermal waters and surrounding rocks.The Kavak geothermal field (KGF) overlies a metamorphic basement composed of the Paleozoic metacarbonates and metaclastic rocks, yet is located near the Erenlerdağ–Alacadağ volcanic complex (ErAVC). …”
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