Готові списки джерел за темами / Carbonate weathering

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Добірка наукової літератури з теми "Carbonate weathering"

Автор: Grafiati

Опубліковано: 25 травня 2024

Оновлено: 31 липня 2025

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Статті в журналах з теми "Carbonate weathering"

Huang, Kang-Jun, Fang-Zhen Teng, Bing Shen, et al. "Episode of intense chemical weathering during the termination of the 635 Ma Marinoan glaciation." Proceedings of the National Academy of Sciences 113, no. 52 (2016): 14904–9. http://dx.doi.org/10.1073/pnas.1607712113.

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Cryogenian (∼720–635 Ma) global glaciations (the snowball Earth) represent the most extreme ice ages in Earth’s history. The termination of these snowball Earth glaciations is marked by the global precipitation of cap carbonates, which are interpreted to have been driven by intense chemical weathering on continents. However, direct geochemical evidence for the intense chemical weathering in the aftermath of snowball glaciations is lacking. Here, we report Mg isotopic data from the terminal Cryogenian or Marinoan-age Nantuo Formation and the overlying cap carbonate of the basal Doushantuo Forma

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Ott, Richard, Sean F. Gallen, and David Helman. "Erosion and weathering in carbonate regions reveal climatic and tectonic drivers of carbonate landscape evolution." Earth Surface Dynamics 11, no. 2 (2023): 247–57. http://dx.doi.org/10.5194/esurf-11-247-2023.

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Abstract. Carbonate rocks are highly reactive and can have higher ratios of chemical weathering to total denudation relative to most other rock types. Their chemical reactivity affects the first-order morphology of carbonate-dominated landscapes and their climate sensitivity to weathering. However, there have been few efforts to quantify the partitioning of denudation into mechanical erosion and chemical weathering in carbonate landscapes such that their sensitivity to changing climatic and tectonic conditions remains elusive. Here, we compile bedrock and catchment-averaged cosmogenic calcite–

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Tao, Gang, Rui Liu, Peng Zhang, Yaqin Wang, Lei Zuo, and Xiaoheng Zhang. "Carbonate Nanoparticles Formed by Water–Rock Reactions in Groundwater: Implication of Carbonate Rock Weathering in Carbonate Aquifers." Minerals 14, no. 10 (2024): 980. http://dx.doi.org/10.3390/min14100980.

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Carbonate rocks are highly reactive and exhibit higher ratios of chemical weathering compared to most other rock types. A chemo-mechanical mechanism, which is particularly effective in groundwater due to higher ion concentrations, is common in fine-grained carbonates at the nanoscale. As a result, the weathering of carbonate aquifers produces a substantial number of carbonate nanoparticles (CNPs). In this study, we utilized high-resolution transmission electron microscopy (HRTEM) to analyze CNPs formed by water–rock reactions in two types of groundwater from Shandong Province, China. Our findi

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Wu, Huaying, Zhongcheng Jiang, Qibo Huang, et al. "Geochemistry of Weathering Cover and the Main Influencing Factors in Karst Area of Guilin, Southwest China." Water 15, no. 16 (2023): 2944. http://dx.doi.org/10.3390/w15162944.

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The chemical weathering of carbonate rocks is the main form of interaction between earth spheres in the karst critical zone. The karst weathering cover, which is composed by residua from carbonate rocks weathering, contains important information about the climate environment and material cycle. We present the chemical composition of weathering covers in karst area of Guilin, Guangxi province, analyze their weathering process and strength, and compare them with the other weathering covers in other karst area in China, including Yunnan, Guizhou, Hunan, and Qinghai Tibet Plateau. The results show

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Jorge Pinto, André, Nuria Sánchez-Pastor, and Angeles Fernández-González. "The Controlling Effect of CaCO3 Supersaturation over Zn Carbonate Assemblages: Co-Crystallization in Silica Hydrogel." Minerals 14, no. 12 (2024): 1274. https://doi.org/10.3390/min14121274.

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Weathering products of sphalerite-bearing ores play an important role in controlling the fate of Zn in the environment. In this framework, the relative stability of Zn carbonates is of special relevance for the common case of ore weathering by carbonated groundwater in the presence of calcium carbonates. We investigated the experimental (co)nucleation and growth of Zn and Ca carbonates at 25 °C in finite double diffusion silica hydrogel media with the purpose of deciphering the system’s reactive pathway and unraveling the major governing factors behind the obtained mineral assemblages. The cry

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Chen, Wenwen, Huanfang Huang, Haixiang Li, et al. "Coupled nitrogen transformation and carbon sink in the karst aquatic system: a review." Blue-Green Systems 3, no. 1 (2021): 201–12. http://dx.doi.org/10.2166/bgs.2021.120.

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Abstract Carbonate bedrock regions represent that 14% of Earth's continental surface and carbon (C) sink in karst water plays an important role in the global C cycle due to the CO2 consumption during carbonate mineral weathering. Intensive agriculture and urbanization have led to the excessive input of nitrogen (N) into aquatic systems, while the high concentrations of inorganic C in the karst water might affect the N cycle. This paper summarized the characteristics of water in karst regions and discussed the N transformation coupled with the C cycle in the condition of high Ca2+ content, high

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Harbar, Vladyslav, and Andriy Lisovskiy. "Carbonations and carbonate profile forming processes of rendzinas of the Podilski Tovtry." Visnyk of the Lviv University. Series Geography, no. 51 (December 27, 2017): 88–97. http://dx.doi.org/10.30970/vgg.2017.51.8741.

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The peculiarities of content and profile distribution of carbonates in rendzinas and soil-forming rocks of the Podilski Tovtry are investigated. It has been determined that the predominant process of weathering of carbonate rocks is a chemical dissolution, in which carbonates are converted into bicarbonates and, in the case of washing water regime, are applied from the soil (the process of decarbonization) and mechanical grinding and destruction of the remaining carbonate inclusions in the process of soil cultivation. The dissolution of carbonate rocks causes accumulation in the soil profile o

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Song, Chao, Changli Liu, Guilin Han, and Congqiang Liu. "Impact of different fertilizers on carbonate weathering in a typical karst area, Southwest China: a field column experiment." Earth Surface Dynamics 5, no. 3 (2017): 605–16. http://dx.doi.org/10.5194/esurf-5-605-2017.

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Abstract. Carbonate weathering, as a significant vector for the movement of carbon both between and within ecosystems, is strongly influenced by agricultural fertilization, since the addition of fertilizers tends to change the chemical characteristics of soil such as the pH. Different fertilizers may exert a different impact on carbonate weathering, but these discrepancies are as yet not well-known. In this study, a field column experiment was conducted to explore the response of carbonate weathering to the addition of different fertilizers. We compared 11 different treatments, including a con

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Xie, Yincai, Yupei Hao, Jun Li, Yongli Guo, Qiong Xiao, and Fen Huang. "Influence of Anthropogenic Sulfuric Acid on Different Lithological Carbonate Weathering and the Related Carbon Sink Budget: Examples from Southwest China." Water 15, no. 16 (2023): 2933. http://dx.doi.org/10.3390/w15162933.

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Accurate estimate of carbonate weathering and the related carbon sink flux induced by anthropogenic H2SO4 is of great significance for improving understanding of the hydrogeochemical evolution and the global carbon cycle. Here, to quantitatively evaluate the influence of anthropogenic H2SO4 on different lithological carbonate weathering and the related carbon sink budget, karst spring water in the typical limestone and mixed limestone–dolomite catchments in Yaji and Beidiping affected by acid precipitation in southwest China were sampled monthly for the analysis of hydrochemical and δ13CDIC ch

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Cao, Yingjie, Yingxue Xuan, Changyuan Tang, Shuai Guan, and Yisheng Peng. "Temporary and net sinks of atmospheric CO<sub>2</sub> due to chemical weathering in subtropical catchment with mixing carbonate and silicate lithology." Biogeosciences 17, no. 14 (2020): 3875–90. http://dx.doi.org/10.5194/bg-17-3875-2020.

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Abstract. The study provided the major ion chemistry, chemical weathering rates and temporary and net CO2 sinks in the Bei Jiang, which was characterized as a hyperactive region with high chemical weathering rates, carbonate and silicate mixing lithology, and abundant sulfuric acid chemical weathering agent of acid deposition and acid mining drainage (AMD) origins. The total chemical weathering rate of 85.46 t km−2 a−1 was comparable to that of other rivers in the hyperactive zones between the latitudes 0 and 30∘. A carbonate weathering rate of 61.15 t km−2 a−1 contributed to about 70 % of the

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Дисертації з теми "Carbonate weathering"

Howe, Stephen. "Carbonate weathering in the North of England." Thesis, University of St Andrews, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.520237.

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Reynolds, Amanda Christine. "Geochemical Investigations of Mineral Weathering: Quantifying Weathering Intensity, Silicate versus Carbonate Contributions, and Soil-Plant Interactions." Diss., The University of Arizona, 2009. http://hdl.handle.net/10150/194448.

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This study is the geochemical examination of mineral weathering and its path from hinterland, through sediment deposition and pedogenesis, to its dissolution and eventual uptake into plants or precipitation as carbonate minerals. The three papers examine the rate and character of carbonate and silicate mineral weathering over a wide range of climatic and tectonic regimes, time periods, and lithologies, and focus on very different questions. Examination of the 87Sr/86Sr ratios of architectural ponderosa pine in Chaco Canyon, New Mexico confirms a societally complex style of timber procurement

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Salley, Devon Mr. "Advancing Methods to Measure the Atmospheric CO2 Sink from Carbonate Rock Weathering." TopSCHOLAR®, 2016. http://digitalcommons.wku.edu/theses/1603.

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With rising atmospheric CO2 concentrations, a detailed understanding of processes that impact atmospheric CO2 fluxes is required. While a sink of atmospheric carbon from the continents to the ocean from carbonate mineral weathering is, to some degree, offset by carbonate mineral precipitation in the oceans, efforts are underway to make direct measurements of these fluxes. Measurement of the continental sink has two parts: 1) measurement of the dissolved inorganic carbon (DIC) flux leaving a river basin, and 2) partitioning the inorganic carbon flux between the amount removed from the atmospher

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Davenport, Jesse. "Isotopic tracing of silicate and carbonate weathering in the Himalayan erosional system." Thesis, Université de Lorraine, 2018. http://www.theses.fr/2018LORR0241.

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L'altération des lithologies himalayennes a potentiellement impacté le cycle global du carbone. Pour pouvoir contraindre et comprendre les processus qui se sont produits dans l'Himalaya et qui ont affecté ces cycles, nous devons être distinguer les signatures de l'altération du silicate et du carbonate dans la charge dissoute des fleuves de l'Himalaya. Des études antérieures ont tenté de le faire en utilisant diverses méthodes mais il n’existe toujours pas de consensus clair sur l’ampleur et le flux de l’altération du silicate dans l’Himalaya. Cette thèse propose l'utilisation du 40Ca comme tr

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Davenport, Jesse. "Isotopic tracing of silicate and carbonate weathering in the Himalayan erosional system." Electronic Thesis or Diss., Université de Lorraine, 2018. http://www.theses.fr/2018LORR0241.

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Devine, Steven M. "Petrographic Controls on Weathering of the Haney Limestone." TopSCHOLAR®, 2016. http://digitalcommons.wku.edu/theses/1594.

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Although karst processes in south central Kentucky have been studied extensively, the Haney Limestone Member of the Golconda Formation has not been studied in detail in contrast to limestones stratigraphically below it that are thicker. In addition, the relationship between petrographic features of the Haney Limestone and the formation of caves and karst features has not been studied extensively compared to lithographic, petrographic, or structural variables Petrographic data were collected using core and surface exposures across the study area of south central Kentucky from northern Logan and

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Osterhoudt, Laura Leigh. "Impacts of Carbonate Mineral Weathering on Hydrochemistry of the Upper Green River Basin, Kentucky." TopSCHOLAR®, 2014. http://digitalcommons.wku.edu/theses/1337.

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Kentucky’s Upper Green River Basin has received significant attention due to the area’s high biodiversity and spectacular karst development. While carbonate bedrock is present throughout the watershed, it is more extensive and homogenous along the river between Greensburg and Munfordville than upstream from Greensburg where the geology is more heterogeneous. This research quantitatively evaluated how lithological differences between the two catchment areas impact hydrochemistry and inorganic carbon cycling. This first required correcting catchment boundaries on previous US Geological Survey Hy

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Zeng, Sibo [Verfasser]. "The evolution of carbonate weathering carbon sinks under climatic and anthropogenic perturbations / Sibo Zeng." Berlin : Freie Universität Berlin, 2021. http://d-nb.info/1238595804/34.

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Larrahondo-Cruz, Joan Manuel. "Carbonate diagenesis and chemical weathering in the Southeastern United States: some implications on geotechnical behavior." Diss., Georgia Institute of Technology, 2011. http://hdl.handle.net/1853/42912.

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The Savannah River Site (SRS) deposits in the Southeastern US between 30-45 m of depth are calcium carbonate-rich, marine-skeletal, Eocene-aged sediments with varying clastic content and extensive diagenetic alteration, including meter-sized caves that coexist with brittle and hard limestone. An experimental investigation including geotechnical (P- and S-wave velocities, tensile strength, porosity) and geochemical (EDS, XRD, SEM, N2-adsorption, stable isotopes, K-Ar age dating, ICP-assisted solubility, groundwater) studies highlighted the contrast between hard and brittle limestones, their rel

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Thorley, Rachel Marianne Sarah. "The role of forest trees and their mycorrhizal fungi in carbonate weathering and phosphorus biogeochemical cycling." Thesis, University of Sheffield, 2017. http://etheses.whiterose.ac.uk/15945/.

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Over millions of years, atmospheric CO2 concentrations, and Earth’s climate, are regulated by continental silicate weathering and associated marine carbonate deposition. On this geological timescale, carbonate weathering has no net effect on CO2 drawdown. However, over the coming decades-to-centuries, accelerated weathering of carbonate rocks may provide a sink for anthropogenic CO2 emissions and increase alkalinity flux to the oceans to counteract ocean acidification. Recent experimental evidence strongly supports trees and their associated mycorrhizal fungi as key drivers of silicate mineral

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Книги з теми "Carbonate weathering"

Ellam, Rob. 7. Reconstructing the past and weathering the future. Oxford University Press, 2016. http://dx.doi.org/10.1093/actrade/9780198723622.003.0007.

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Tiny microfossils called Foraminifera form calcium carbonate shells that record the δ18O composition of the seawater in which they grew. These microfossils are found in sea bed sediment cores, and a lot of information from these oxygen isotope records can be extracted. ‘Reconstructing the past and weathering the future’ looks at the methodology used in palaeoclimate studies and explains gain and phase modelling and Milankovitch orbital cycles. Similar isotope temperature records have been constructed from polar ice cores. Atmospheric CO2 composition can be reconstructed from the amount of CO2

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Hajna, Nadja Zupan. Incomplete Solution: Weathering of Cave Walls & the Production, Transport & Deposition of Carbonate Fines (Carsologica). Zalozhba, 2003.

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Berner, Robert A. The Phanerozoic Carbon Cycle. Oxford University Press, 2004. http://dx.doi.org/10.1093/oso/9780195173338.001.0001.

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The term "carbon cycle" is normally thought to mean those processes that govern the present-day transfer of carbon between life, the atmosphere, and the oceans. This book describes another carbon cycle, one which operates over millions of years and involves the transfer of carbon between rocks and the combination of life, the atmosphere, and the oceans. The weathering of silicate and carbonate rocks and ancient sedimentary organic matter (including recent, large-scale human-induced burning of fossil fuels), the burial of organic matter and carbonate minerals in sediments, and volcanic degassin

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Kirchman, David L. Introduction to geomicrobiology. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780198789406.003.0013.

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Geomicrobiology, the marriage of geology and microbiology, is about the impact of microbes on Earth materials in terrestrial systems and sediments. Many geomicrobiological processes occur over long timescales. Even the slow growth and low activity of microbes, however, have big effects when added up over millennia. After reviewing the basics of bacteria–surface interactions, the chapter moves on to discussing biomineralization, which is the microbially mediated formation of solid minerals from soluble ions. The role of microbes can vary from merely providing passive surfaces for mineral format

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Частини книг з теми "Carbonate weathering"

Flügel, Erik. "Carbonate Rock Resources, Facies, Weathering, Preservation." In Microfacies of Carbonate Rocks. Springer Berlin Heidelberg, 2004. http://dx.doi.org/10.1007/978-3-662-08726-8_18.

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Flügel, Erik. "Carbonate Rock Resources, Facies, Weathering, Preservation." In Microfacies of Carbonate Rocks. Springer Berlin Heidelberg, 2009. http://dx.doi.org/10.1007/978-3-642-03796-2_18.

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Joshi, Moulishree. "Accelerated Weathering of Limestone for CO2 Mitigation." In Petro-physics and Rock Physics of Carbonate Reservoirs. Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-13-1211-3_4.

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Wen, Shiyin, Jianhui Fan, Guoxing Pang, Shuang Liang, and Mingqi Dong. "Research Progress on Carbonate Rock Weathering Carbon Sink." In Environmental Governance, Ecological Remediation and Sustainable Development. Springer Nature Switzerland, 2024. http://dx.doi.org/10.1007/978-3-031-52901-6_79.

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Pollak, Davor. "Engineering-Geological Properties of Carbonate Rocks in Relation to Weathering Intensity." In Engineering Geology for Infrastructure Planning in Europe. Springer Berlin Heidelberg, 2004. http://dx.doi.org/10.1007/978-3-540-39918-6_20.

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Jroundi, Fadwa, Maria Teresa Gonzalez-Muñoz, and Carlos Rodriguez-Navarro. "Protection and Consolidation of Stone Heritage by Bacterial Carbonatogenesis." In Microorganisms in the Deterioration and Preservation of Cultural Heritage. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-69411-1_13.

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AbstractFor millennia, artists and architects around the world used natural stone for the carving of sculptures and the construction of monuments, such as Roman, Greek, and Maya temples, the European cathedrals, and the Taj Mahal, just to name a few. Currently, the survival of these irreplaceable cultural and historical assets is under threat due to their continued degradation caused by various biotic and abiotic weathering processes that affect not only the aesthetic appearance of these structures, but also their durability and survival. The natural precipitation of calcium carbonate minerals

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Schlanger, S. O. "Strontium Storage and Release During Deposition and Diagenesis of Marine Carbonates Related to Sea-Level Variations." In Physical and Chemical Weathering in Geochemical Cycles. Springer Netherlands, 1988. http://dx.doi.org/10.1007/978-94-009-3071-1_15.

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Hagemann, Steffen, Ana-Sophie Hensler, Rosaline Cristina Figueiredo e Silva, and Harilaos Tsikos. "Light Stable Isotope (O, H, C) Signatures of BIF-Hosted Iron Ore Systems: Implications for Genetic Models and Exploration Targeting." In Isotopes in Economic Geology, Metallogenesis and Exploration. Springer International Publishing, 2023. http://dx.doi.org/10.1007/978-3-031-27897-6_12.

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AbstractStable isotope data from hypogene (i.e., below the line of weathering) iron oxides and gangue minerals from BIF-hosted iron ore deposits in Australia, South Africa, and Brazil have significantly assisted in constraining different hydrothermal fluid sources and fluid flow models during the upgrade of BIF to iron ore. The δ18O values on iron oxides from BIF and different paragenetic stages of enrichment display a consistent decrease from unenriched BIF (4–9‰) to as low as −10‰ for high-grade iron ore. This large shift in oxygen isotope values is interpreted as evidence for enormous incur

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Latypov, A., N. Zharkova, and F. Mouraviev. "Dispersed weathering products of carbonate rock." In Global View of Engineering Geology and the Environment. CRC Press, 2013. http://dx.doi.org/10.1201/b15794-143.

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Berner, Robert A. "Processes of the Long-Term Carbon Cycle: Organic Matter and Carbonate Burial and Weathering." In The Phanerozoic Carbon Cycle. Oxford University Press, 2004. http://dx.doi.org/10.1093/oso/9780195173338.003.0005.

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The organic subcycle of the long-term carbon cycle, where organic matter burial and weathering are involved, constitutes the major control on the evolution of atmospheric oxygen. It is also important as a secondary factor affecting atmospheric CO2. Thus, it is important to better understand the processes whereby organic matter is buried in sediments and oxidized upon subsequent exposure to weathering during uplift onto the continents. This is especially true of the Paleozoic rise of land plants, which had a large effect on atmospheric CO2 because of increased global organic burial due to the a

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Тези доповідей конференцій з теми "Carbonate weathering"

Reddy, Michael M., and C. Arthur Youngdahl. "Acid Rain and Weathering Damage to Carbonate Building Stone: Results of Material Loss Measurements." In CORROSION 1987. NACE International, 1987. https://doi.org/10.5006/c1987-87415.

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Abstract Marble and limestone specimens were exposed to atmospheric conditions at four eastern U.S. sites. A number of methods were employed for damage assessment; this paper describes the results of chemical and physical measurements of material loss. Good agreement was observed among results obtained with different methods. A rate of surface recession near 15 μm/y was observed for skyward surfaces of marble tested in North Carolina, and comparable results were obtained at the other test sites. Response of the porous limestone was assessed with greater difficulty; a rate of loss similar to th

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Knapp, Will, and Edward Tipper. "Global efficacy of enhancing carbonate weathering." In Goldschmidt2022. European Association of Geochemistry, 2022. http://dx.doi.org/10.46427/gold2022.9621.

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Anovitz, Lawrence, Timothy Prisk, Simon Emmanuel, et al. "Scale, Carbonate Weathering, and the Laboratory/Field Dichotomy." In Goldschmidt2022. European Association of Geochemistry, 2022. http://dx.doi.org/10.46427/gold2022.12354.

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Zinchuk, N. N., and M. N. Zinchuk. "Typomorphic features of various rocks’ products of weathering in connection with diamondprospecting works." In Problems of mineralogy, petrography and metallogeny. Scientific readings in memory of P.N. Chirvinsky. Perm State University, 2024. http://dx.doi.org/10.17072/chirvinsky.2024.8.

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Results of complex research of different in age ancient crusts of weatheringon various rocks (terrigenous-carbonate rocks of Lower Paleozoic, dolerites, tuffsand tufogene formations, kimberlites) of the main diamondiferous regions of theSiberian platform indicated that the most important typomorphic indications ofclay formations in the studied crusts of weathering are as follows: a) omnipresentdioctahedral hydromica (2М1) in the crust of weathering of terrigenous-carbonaterocks and its association in the most mature profiles with kaolinite of relativelyordered structure, than of kaolinite, hav

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Scheingross, Joel, Aaron Bufe, Jordon Hemingway, Niels Hovius, Anja Schleicher, and Tanya Goldberg. "Enhancement of Carbonate, Silicate, and Sulfide Weathering via Fluvial Sediment Abrasion." In Goldschmidt2020. Geochemical Society, 2020. http://dx.doi.org/10.46427/gold2020.2301.

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Briolet, Théo, Elisabeth Bemer, Olivier Sissmann, et al. "Experimental study of microstructural controls on the weathering of carbonate rocks." In Goldschmidt2022. European Association of Geochemistry, 2022. http://dx.doi.org/10.46427/gold2022.10188.

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Zinchuk, N. N. "SPECIFIC FEATURES OF CLAY MINERALS IN ANCIENT CRUSTS OF WEATHERING OF VARIOUS ROCKS." In Проблемы минералогии, петрографии и металлогении. Научные чтения памяти П. Н. Чирвинского. Пермский государственный национальный исследовательский университет, 2021. http://dx.doi.org/10.17072/chirvinsky.2021.54.

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The most important typomorphic indications of clay formations in the studied crusts of weathering are as follows: a) omnipresent dioctahedral hydromica (2М1) in the crust of weathering of terrigenous-carbonate rocks and its association in the most mature profiles with kaolinite of relatively ordered structure, than of kaolinite, having been formed at the expense of other rocks; b) constant availability of trappean formation (tuffs, tufogene rocks, dolerites) in sections of crusts of weathering together with di- and trioctahedral montmorillonite, as well as disordered vermiculite-montmorillonit

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Planavsky, Noah, Chris Reinhard, and Shuang Zhang. "ENHANCED CARBONATE WEATHERING AS A MEANS OF CO₂ CAPTURE." In GSA Connects 2021 in Portland, Oregon. Geological Society of America, 2021. http://dx.doi.org/10.1130/abs/2021am-369068.

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Xu, Yang, Zhangdong Jin, Long-Fei Gou, et al. "Carbonate weathering drives magnesium isotopes in large rivers: Insights from the Yangtze River." In Goldschmidt2022. European Association of Geochemistry, 2022. http://dx.doi.org/10.46427/gold2022.10852.

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Erlanger, Erica, Aaron Bufe, Jeremy Caves Rugenstein, Vincenzo Picotti, and Sean Willet. "Controls on Chemical Weathering and Physical Erosion in a Mixed Carbonate-Siliciclastic Orogen." In Goldschmidt2021. European Association of Geochemistry, 2021. http://dx.doi.org/10.7185/gold2021.3866.

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Звіти організацій з теми "Carbonate weathering"

MacNaughton, R. B., and K. M. Fallas. Neoproterozoic-Cambrian stratigraphy of the Mackenzie Mountains, northwestern Canada, part IV: a stratigraphic reference section for the Ediacaran-Cambrian transition in NTS 95-M (Wrigley Lake map area). Natural Resources Canada/CMSS/Information Management, 2021. http://dx.doi.org/10.4095/329217.

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A composite reference section for the upper Ediacaran and lower Cambrian is documented for a location near Moose Horn River in Wrigley Lake map area (NTS 95-M), Mackenzie Mountains, Northwest Territories. Four measured stratigraphic sections cover, in ascending order: the uppermost Sheepbed Formation; the informal Sheepbed carbonate; the lower, middle, and upper members of the Backbone Ranges Formation; the Sekwi Formation; and the lowermost beds of the Rockslide Formation. The uppermost Sheepbed Formation is dominated by dark-weathering shale and siltstone. The Sheepbed carbonate (440 m) lies

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