Article
Energy & Fuels
Fusun S. Tut Haklidir, Raziye Sengun, Hakki Aydin
Summary: The Kizildere geothermal field in Turkey is characterized by four production sections with different rock compositions and geochemical characteristics. The geothermal fluids are found to originate from meteoric water, with increased water-rock interactions at higher reservoir temperatures. The vertical heterogeneity of reservoir sections in Kizildere requires a unique configuration for sustainable production.
Article
Geology
Qiaoqiao Zhu, Nigel J. Cook, Guiqing Xie, Cristiana L. Ciobanu, Sarah E. Gilbert, Benjamin Wade, Jing Xu
Summary: Breccia-hosted Sr-(Pb-Zn) mineralization from the Shizilishan deposit in eastern China is formed by the interaction between fluids with low to moderate salinity and a quartz diorite porphyry stock. The research highlights that extensive water-rock interaction can lead to the formation of large celestine deposits when fluid flow is continuous and there are superimposed episodes of high Sr/Ba ratios and moderate dissolved sulfate.
ORE GEOLOGY REVIEWS
(2022)
Article
Energy & Fuels
Esra Hatipoglu Temizel, Fatma Gultekin, Arzu Firat Ersoy, Reyhan Kara Gulbay
Summary: In this study, multi-isotopic compositions were used to analyze the geochemical characteristics, source, and water-rock interaction mechanisms of geothermal fluids in the Havza geothermal field in Turkey. The results showed a complex mixture of geothermal water sources and significant interaction between reservoir rocks and fluids.
Article
Environmental Sciences
Prafulla Kumar Sahoo, Hardev Singh Virk, Mike A. Powell, Ravishankar Kumar, Jitendra Kumar Pattanaik, Gabriel Negreiros Salomao, Sunil Mittal, Lokesh Chouhan, Yogalakshmi Kadapakkam Nandabalan, Raghavendra Prasad Tiwari
Summary: Despite numerous studies, there are still many knowledge gaps in understanding uranium (U) contamination in alluvial aquifers in Punjab, India. This study compiled a large hydrogeochemical dataset to identify major factors controlling U mobility and enrichment in groundwater. The results showed that shallow groundwaters are more contaminated with U than deeper depths, with salinity and total dissolved solids playing a significant role in U mobilization.
SCIENCE OF THE TOTAL ENVIRONMENT
(2022)
Article
Geochemistry & Geophysics
Sarwar Nizam, Subham Dutta, Indra S. Sen
Summary: The Indo-Gangetic Basin alluvial aquifer system, which provides drinking water to over half a billion people, has been the focus of numerous studies to understand its groundwater quality and storage. However, the factors influencing uranium variability in this system have been under-explored. This study found that uranium enrichment primarily comes from geogenic sources and its mobility is controlled by alkalinity. The researchers emphasize the need for further assessment of groundwater uranium concentrations due to its adverse health effects, similar to other geogenic contaminants such as arsenic and fluoride.
APPLIED GEOCHEMISTRY
(2022)
Article
Geochemistry & Geophysics
Sarwar Nizam, Subham Dutta, Indra S. Sen
Summary: The Indo-Gangetic Basin alluvial aquifer system provides drinking water for a large population and studies show that uranium concentration in the groundwater may exceed WHO guideline values, primarily derived from geogenic sources and controlled by alkalinity. More monitoring is needed to control environmental and health risks associated with high levels of uranium.
APPLIED GEOCHEMISTRY
(2022)
Article
Environmental Sciences
Heitor Evangelista, Claudio de M. Valeriano, Gabriel Paravidini, Sergio J. Goncalves Junior, Eduardo D. Sodre, Carla C. A. Neto, Elaine A. Santos, Newton de M. Neto, Caroline Peixoto, Marcus V. V. J. Licinio, Joselito N. Ribeiro, Araceli Flores, Madson G. Pereira, Catia F. Barbosa, Joao R. C. de Barcellos, Bruno V. X. de Oliveira, Flavia Guebert, Fabio Negrao, Marcelino J. dos Anjos, Ramon Silva Santos, Jose Carlos Seoane, Renato Campello Cordeiro, Monica Heilbron
Summary: The Abrolhos bank is home to a rich coral reef system in the Southwestern Atlantic, but is facing challenges from marine heat waves and anthropogenic interventions. The collapse of the Fundao mining tailings dam in 2015 led to a significant influx of slurry into the Doce River, impacting sedimentation in the Abrolhos bank.
SCIENCE OF THE TOTAL ENVIRONMENT
(2022)
Article
Engineering, Civil
Mingliang Liu, Qinghai Guo, Hongjie Shi, Yuanyuan Cao, Jianbo Shang, Mengzhao Zhang
Summary: Understanding the geneses of geothermal systems is critical for their efficient and sustainable exploitation. This study investigates the chloride sources and possible mechanisms of chlorine isotope fractionation in representative hydrothermal systems in China, and proposes the geneses of these systems.
JOURNAL OF HYDROLOGY
(2023)
Article
Geochemistry & Geophysics
Pierre Agrinier, Joris Gieskes, Gowtham Subbarao, Gerard Bardoux, Magali Bonifacie
Summary: This study investigates the chlorine isotope disequilibrium between chlorides in pore fluids and chlorides in seawater and its impact on chlorine isotope exchange between ocean sediment pore fluids and seawater. The findings show a progressive decrease in Cl-37 in chlorides with depth in pore fluids, indicating the release of Cl-37-enriched chlorine into seawater. The majority of chlorine is contained in pore fluids as chlorides, with other sinks being insignificant. The study extends the analysis to multiple oceanic sites and estimates worldwide chloride flux and chloride exchange time.
GEOCHIMICA ET COSMOCHIMICA ACTA
(2023)
Article
Geochemistry & Geophysics
Jiawang Wu, Zhifei Liu, Annie Michard, Kazuyo Tachikawa, Amalia Filippidi, Zhiwei He, Rick Hennekam, Shouye Yang, Gareth R. Davies, Gert J. de Lange
Summary: In marine sediments, the presence of barite can significantly affect the detrital Sr signal, especially in samples with high barite content. An additional NH4Cl leaching step is recommended to eliminate any remaining barite and obtain an unbiased detrital Sr signal. This is particularly important in areas with high biological productivity where sediments are characterized by abundant barite content.
Article
Green & Sustainable Science & Technology
Zhaoxian Zheng, Yan Zhang, Bingyan Li
Summary: This paper analyzed the hydrogeochemical processes affecting boron isotopes in HFFF-contaminated groundwater and constructed a model to evaluate the sensitivity of boron isotopes as an indicator of HFFF contamination. The results showed that the dissolution of alkali feldspar and precipitation of carbonate had little effect on the boron isotopes in shallow groundwater. The preferential adsorption of boron isotopes onto clay minerals reduced the sensitivity of boron isotopes as an indicator of groundwater contamination from HFFF.
Article
Environmental Sciences
Sitangshu Chatterjee, Parashar Mishra, K. Sasi Bhushan, Preeti Goswami, Uday K. Sinha
Summary: Cambay rift basin in India is the only geothermal province with variations in electrical conductivity values ranging from 525 to 10,860 muS/cm. The increased salinity in thermal waters is attributed to the presence of fossil seawater and agricultural return flow, as supported by various ionic ratios and boron isotopic composition analysis. This study provides diagnostic tools to determine the source of variable salinity in thermal waters circulating in the Cambay rift basin.
MARINE POLLUTION BULLETIN
(2023)
Article
Environmental Sciences
Fernanda Alvarez-Amado, Daniele Tardani, Camila Poblete-Gonzalez, Linda Godfrey, Daniel Matte-Estrada
Summary: Northern Chile, NW Argentina, and SW Bolivia, known as the lithium triangle, are world-class reservoirs of lithium. This study focuses on the Salar de Atacama (SDA) in northern Chile, which is one of the richest lithium reservoirs in the region. Isotopic methods and chemical composition analysis were used to understand the hydrogeochemical processes controlling the water composition and solute distribution in SDA. The results confirmed that weathering of ignimbrites is one of the most important processes influencing the origin of solutes, such as lithium, in the region.
SCIENCE OF THE TOTAL ENVIRONMENT
(2022)
Article
Geology
Huajian Li, Qingfei Wang, Weijun Weng, Chaoyi Dong, Lin Yang, Xuan Wang, Jun Deng
Summary: The extreme pressure fluctuations during earthquakes are responsible for gold mineralization in quartz-vein-hosted gold deposits. However, this process also leads to the co-precipitation of base metal sulfides with gold. Through geological study and thermodynamic modeling, the phenomenon and mechanism of this co-precipitation have been unraveled.
ORE GEOLOGY REVIEWS
(2022)
Article
Geochemistry & Geophysics
Kaoru Kubota, Tsuyoshi Ishikawa, Kazuya Nagaishi, Tatsuya Kawai, Takuya Sagawa, Minoru Ikehara, Yusuke Yokoyama, Toshitsugu Yamazaki
Summary: The study found that contamination of boron and boron isotopes during the analysis of small carbonate samples is a significant issue, and provided recommendations for reducing contamination. The research also highlighted the unexpected levels of boron contamination during sample storage and airborne contamination by gaseous boron in the laboratory, suggesting the need for further investigation and mitigation strategies.
Article
Geochemistry & Geophysics
Livia Vittori Antisari, Chiara Ferronato, Mauro De Feudis, Claudio Natali, Gianluca Bianchini, Gloria Falsone
Summary: The study evaluated the biochemical properties and biological fertility of soils in different farms under processing tomato cultivation in Italy. The healthiest soils were found in Modena, while Ravenna had inefficient ecophysiological energy state. Effects on plant nutrient contents were likely masked by fertigation. Monitoring of BP is necessary to prevent soil degradation and crop production decline.
Article
Geochemistry & Geophysics
Christophe Innocent, Wolfram Kloppmann, Romain Millot, Laurent Vaute
Summary: This study focused on the geochemical and multiisotopic analysis of water samples from the Lower Triassic Sandstones aquifer, Muschelkalk aquifer, and Dogger limestones. Results indicated that the groundwater in the area primarily originates from meteoric waters, with varying flow velocities and residence times. The geochemical differences between waters north and south of the Bray-Vittel Fault suggest that this major fault influences the circulation of groundwater in the region.
APPLIED GEOCHEMISTRY
(2021)
Article
Geochemistry & Geophysics
Christophe Innocent, Romain Millot, Wolfram Kloppmann
Summary: Groundwater from deep Dogger and Albian aquifers in the Paris Basin, France, has been analyzed for multiple isotopes to establish a natural hydrogeochemical baseline. The study reveals differences in geochemical facies and origins of water sources between the two aquifers. Signatures of sulfur, oxygen, strontium, and boron isotopes provide sensitive indicators for mixing processes and water-rock interactions.
APPLIED GEOCHEMISTRY
(2021)
Review
Engineering, Environmental
Raphael Bondu, Wolfram Kloppmann, Maria O. Naumenko-Dezes, Pauline Humez, Bernhard Mayer
Summary: This paper provides a conceptual and methodological framework for establishing a baseline of inorganic groundwater quality in shale gas areas, which is crucial for evaluating the impacts of shale gas development on shallow aquifers.
ENVIRONMENTAL SCIENCE & TECHNOLOGY
(2021)
Article
Agronomy
Livia Vittori Antisari, William Trenti, Mauro De Feudis, Gianluca Bianchini, Gloria Falsone
Summary: In temperate soils in Northern Italy, factors such as land use practices and soil types influence soil quality and SOM dynamics. Agricultural lands with organic material additions showed good soil quality and efficient use of microbial C, while reclaimed peaty soils were prone to degradation due to stress on soil microbial biomass. Conservative management practices in chestnuts reduced soil degradation risk. Evaluating soil parameters recommended by the FAO can help assess sustainable practices and soil quality.
Article
Environmental Sciences
Claudio Natali, Gianluca Bianchini, Stefano Cremonini, Gian Marco Salani, Gilmo Vianello, Valentina Brombin, Mattia Ferrari, Livia Vittori Antisari
Summary: The burning of peat in the organic-rich agricultural soils of the Mezzano Lowland in NE Italy leads to soil carbon loss, greenhouse gas emissions, and mineral migration, negatively impacting the environment, agricultural activities, and the health of local residents.
Review
Geochemistry & Geophysics
Raphael Bondu, Pauline Humez, Bernhard Mayer, Emeline Chaste, Maria O. Naumenko-Dezes, Vincent Cloutier, Eric Rosa, Wolfram Kloppmann
Summary: Estimating the natural background concentrations of groundwater constituents is crucial for resource management and pollution assessment. Various methods have advantages and limitations, requiring careful selection. Exploratory data analysis plays a critical role in identifying sources of groundwater constituents and establishing background values.
JOURNAL OF GEOCHEMICAL EXPLORATION
(2022)
Article
Multidisciplinary Sciences
Wolfram Kloppmann, Lise Leroux, Philippe Bromblet, Pierre-Yves Le Pogam, Anne Therese Montech, Catherine Guerrot
Summary: Through isotope analysis of the materials used by the Master of Rimini and his workshop, it was found that they exclusively used alabaster from the Franconian region, which is different from previous research. Based on these findings, a new hypothesis is proposed, suggesting that the Master of Rimini may have originated from the Low Countries and established a highly productive workshop in Southern Germany.
Article
Multidisciplinary Sciences
Maria Naumenko-Dezes, Wolfram Kloppmann, Michaela Blessing, Raphael Bondu, Eric C. Gaucher, Bernhard Mayer
Summary: This article presents a study that reveals a previously overlooked source of natural gas in shale formations, which is generated by radiolysis of organic matter. The study shows that radiolytic gas can account for a significant portion of natural gas mixtures in major shale gas plays worldwide. Considering radiolytic gas as an additional component in uranium-bearing shale gas formations can lead to a more accurate determination of the origins of natural gas.
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA
(2022)
Article
Environmental Sciences
Q. Guillemoto, G. Picot-Colbeaux, D. Valdes, N. Devau, F. A. Mathurin, M. Pettenati, W. Kloppmann, J. -m. Mouchel
Summary: This study evaluates the effectiveness of the Agon-Coutainville SAT system for the removal of TrOCs and analyzes the exchange and mixing processes between groundwater and wastewater. The findings provide insights for the remediation of TrOCs.
SCIENCE OF THE TOTAL ENVIRONMENT
(2022)
Article
Food Science & Technology
Valentina Brombin, Claudio Natali, Gianluca Frijia, Katharina Schmitt, Martina Casalini, Gianluca Bianchini
Summary: This study investigated the reliability of using multi-isotope ratio analysis to trace the provenance of manila clams in the northern Adriatic lagoons. The study found that isotopic parameters can be used to identify the origin of the clams.
Article
Environmental Sciences
Anne Chabas, Wolfram Kloppmann, Jean-Pierre Sizun, Guillaume Wille, Adriana Coman, Aline Petitmangin, Sophie Nowak, Erwan Martin, Marie-Ange Jurgens
Summary: This study aims to determine the composition and source of salts found on the inner and outer wall surface of the dovecote, as well as their potential impact on the preservation of the monument. Various non-invasive methods, including microclimatic measurements, mineralogical analysis, and historical documentation, are used to investigate the causes of salt enrichment and migration.
ENVIRONMENTAL EARTH SCIENCES
(2022)
Article
Multidisciplinary Sciences
Luigi Dallai, Gianluca Bianchini, Riccardo Avanzinelli, Etienne Deloule, Claudio Natali, Mario Gaeta, Andrea Cavallo, Sandro Conticelli
Summary: This study reports the presence of rhyolitic melt inclusions and interstitial glass in the mantle, providing direct evidence for element cycling and magmatic processes.
NATURE COMMUNICATIONS
(2022)
Article
Environmental Sciences
Valentina Brombin, Gian Marco Salani, Mauro De Feudis, Enrico Mistri, Nicola Precisvalle, Gianluca Bianchini
Summary: This study investigates the variation in C pools in temperate forest soils managed by two farms. Results show that the soil from one farm experienced a decrease in organic matter, while the soil from the other farm remained stable. This difference can be attributed to altitude and soil type. The findings have implications for silvicultural management to enhance carbon sequestration.
Article
Energy & Fuels
F. Osselin, E. C. Gaucher, P. Baldoni-Andrey, W. Kloppmann, B. Mayer
Summary: To analyze the effect of a new gelling agent for hydraulic fracturing, fluid samples from different stages of the operation were collected from a well in Argentina. The samples were analyzed over a period of two years, showing an increase in salinity due to mixing with formation water and a decrease in concentration of trace elements and heavy metals, possibly due to delayed precipitation of barite. This finding suggests a potential option for mitigation and remediation of wastewaters from hydraulic fracturing.
GEOENERGY SCIENCE AND ENGINEERING
(2023)
Article
Geochemistry & Geophysics
Zhen-Min Ge, Xiao-Long Huang, Wei Xie, Tobias W. Hofig, Fan Yang, Yang Yu, S. Khogenkumar Singh
Summary: The mantle source composition of the nascent oceanic crust in the central part of the Gulf of California has been investigated using basaltic glass samples. These samples show trace element patterns similar to enriched mid-ocean ridge basalts, suggesting that the nascent oceanic crust in the Guaymas Basin might be generated through partial melting of a depleted mantle source metasomatized by subducted slab materials.
Article
Geochemistry & Geophysics
Jean-Michel Brazier, Katja E. Goetschl, Martin Dietzel, Vasileios Mavromatis
Summary: This study estimated the distribution coefficient of Zn2+ between calcite/aragonite and reactive fluids and found that the growth rate strongly influences D-Zn(2+) in both minerals. Additionally, a linear correlation was found between D-Zn(2+) and the saturation degree of the reactive fluid.
Article
Geochemistry & Geophysics
Ming Lei, Michele Lustrino, Jifeng Xu, Zhiqiang Kang, Zhengfu Guo, Jianlin Chen
Summary: This study presents a comprehensive geochronological, mineralogical, and geochemical analysis of olivine leucitites in the Maiga area of southern Tibet, suggesting that these rocks originate from a carbonated peridotite mantle source and highlighting the possibility of carbonates being recycled deep into the mantle during continental subduction.
Article
Geochemistry & Geophysics
Yuntao Ye, Xiaomei Wang, Huajian Wang, Haifeng Fan, Zhigang Chen, Qingjun Guo, Ziteng Wang, Chaodong Wu, Donald E. Canfield, Shuichang Zhang
Summary: Phosphorus is an essential element for life and its cycle in the ocean is closely connected with the carbon and oxygen cycles. The study of phosphate oxygen isotopes can provide insights into various reactions related to phosphorus. By analyzing carbonate fluorapatite samples from the Mesoproterozoic Era in North China, it was found that the oxygen isotope values were lower compared to modern samples, indicating a warmer climate during that time period and a potential reason for the scarcity of phosphorite.
Article
Geochemistry & Geophysics
Vincent Busigny, Oanez Lebeau, Didier Jezeduel, Carine Chaduteau, Sean Crowe, Magali Ader
Summary: This study conducted high-precision Mo isotope research on hydrothermal metal sulfides from a porphyry copper deposit in Southwest China and found that different stages of mineralization have distinct Mo isotope compositions, providing valuable insights into the behavior of Mo isotopes in magmatic-hydrothermal systems.
Article
Geochemistry & Geophysics
Min Ji, Xiao-Ying Gao, Yong-Fei Zheng, Bing Gong
Summary: The study examines the anatectic mechanisms in the Himalayan orogen, finding that pressure and temperature control the reaction, while water content mainly affects the solid-phase composition. Dehydration and hydration melting likely occur at different depths in the crust. This research provides important insights into the melting processes in collisional orogens.
