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

“…Abstract Quartz is one of the most abundant minerals in shales, occurring predominantly in three forms: biogenic quartz (BQ), detrital quartz (DQ) and clay-transformed quartz (CTQ). The content of quartz is typically correlated with the fracability of shale gas reservoirs. …”
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Analyse des terres cuites architecturales de l’aqueduc de Nyon/Colonia Iulia Equestris (Suisse) by Benjamin Clément, Christophe Henny, Anne Schmitt

“…Two types of materials were used for paving the bottom of the specus: Lydian module bricks (1.5 ft × 1 ft square), on the one hand, and bipedal bricks (2 ft square) on the other.Through the physico-chemical analyses conducted on the clays of these architectural terracottas, we were better able to determine the origin of the materials. …”
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Dynamic changes in soil erosion and challenges to grain productivity in the black soil region of Northeast China by Jiawang Zhang, Ming Wang, Kai Liu, Zhan’ao Zhao

“…Wind erosion was relatively stable throughout the year, with two-factor enhancement factor of 0.76 attributed to soil organic matter and clay content. The expansion of cities over the last 30 years has resulted in the encroachment of 7,936 km2 of cropland. …”
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Building a near-infrared (NIR) soil spectral dataset and predictive machine learning models using a handheld NIR spectrophotometerZenodo by Colleen Partida, Jose Lucas Safanelli, Sadia Mannan Mitu, Mohammad Omar Faruk Murad, Yufeng Ge, Richard Ferguson, Keith Shepherd, Jonathan Sanderman

“…Machine learning predictive models were developed for soil organic carbon (SOC), pH, bulk density (BD), carbonate (CaCO3), exchangeable potassium (Ex. K), sand, silt, and clay content from their spectra in the R programming language using most of this dataset (1,976 US soils) and are included in this data release. …”
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Subsurface investigation for pre-foundation study utilizing integrated geophysical and geotechnical methods, UNILORIN campus by Gabriel Efomeh Omolaiye, Abdulhameed Kayode Oniyangi, Taofeeq Ayinde ISSA, Sodiq Bamidele Adam

“…The Schlumberger configuration was used for the 1-D vertical electrical sounding (VES) technique, with the current electrode spacing (AB/2) varied between 1 and 100 m, which revealed three to four geo-electric layers which include lateritic/topsoil (93-3053Ωm, 0.3–2.5 m), clayey-sand (127-639Ωm, 1–13.2 m), weathered basement/sandy-clay (55-767Ωm, 3.6–33.3 m), and fresh basement (above 1000Ωm). …”
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Les siphons en terre cuite du monde romain : l’exemple de l’aqueduc d’Almuñécar (Andalousie, Espagne) by Elena H. Sánchez López

“…The analysis result shows that there is not a major difference in the dimensions of the pipes used with either function, which seems to indicate that the clay pipes used in the siphons were not made with any special characteristics.The text finally discusses the possible reasons behind the choice of terracotta over other materials in manufacturing siphon pipes.The analysis of Roman siphons, and more generally Roman aqueducts, produces different explanations. …”
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Soil microbial community and influencing factors of different vegetation restoration types in a typical agricultural pastoral ecotone by Pei Huang, Pei Huang, Pei Huang, Hanyu Shi, Hanyu Shi, Lina Jiang, Duoping Zhu, Duoping Zhu, Zefeng Zhou, Zhenhong Hou, Xingyu Ma, Xingyu Ma

“…Bacterial community composition was found to be closely related to soil organic carbon (SOC), total nitrogen (TN), while that of fungi was closely related to SOC, clay and silt content. This improvement in microbial complexity enhances the ecological service function of the agricultural pastoral ecotone. …”
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Impact of biochar amendment on soil microbial biomass carbon enhancement under field experiments: a meta-analysis by Yogesh Kumar, Wei Ren, Haiying Tao, Bo Tao, Laura E. Lindsey

“…The best-fit gradient boosting machines model, which had the lowest root mean square error, demonstrated the relative importance of various factors on biochar effectiveness: biochar, soil, climate, and nitrogen applications at 46.2%, 38.1%, 8.3%, and 7.4%, respectively. Soil clay proportion, BAP, nitrogen application, and MAT were the most critical variables for biochar impacts on SMBC. …”
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Water conservation assessment and its influencing factors identification using the InVEST and random forest model in the northern piedmont of the Qinling Mountains by Song He, Hui Qian, Yuan Liu, Xiaoguang Zhao, Fengmei Su, Huan Ma, Zilong Guan, Tao Zhang

“…Conversely, evapotranspiration, agricultural land, and clay content in topsoil were found to negatively affect water conservation. …”
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Mollusk Diversity in Percut Sei Tuan Silvofishery Ponds, North Sumatra, Indonesia by Ipanna Enggar Susetya, Mohammad Basyuni, Muhammad Rakezza Rifzy Rifzy, Rizka Amelia, Yuntha Bimantara, Rusdi Leidonald, Amanatul Fadhilah

“…The substrate in both ponds was clay. Nitrate concentration values "‹"‹in the substrate in both ponds ranged from 0.27% to 0.29%, phosphate recorded a percentage of 0.07–0.09%, and C-organic ranged from 3.00% to 5.72%. …”
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Preharvest Factors Affecting Quality on “Abate Fetel” Pears: Study of Superficial Scald with Multivariate Statistical Approach by Alessandro Bonora, Enrico Muzzi, Cristiano Franceschini, Alexandra Boini, Gianmarco Bortolotti, Kushtrim Bresilla, Giulio Demetrio Perulli, Melissa Venturi, Luigi Manfrini, Luca Corelli Grappadelli

“…Some can increase its occurrences such as physiological and agronomical factors: high yields, late date of blooming, heavy downpours, improper irrigation management (low watering frequency and high volumes), nitrogen (included that deriving from organic matter), soil texture (presence of clay), orchard age, and canopy volume in relation to training system and rootstock. …”
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Soil-plant-animal relationships and their effect on pasture-based milk production in Hacienda Cuba, Colombia by María A. López G., Ana G. Quintero M., Juan J. Zúñiga E., Felipe Vélez S., Juan F. Naranjo R., Óscar A. Sáenz R., Andrés F. Pérez R.

“…Our findings revealed that soil composition was 10% sand, 46% silt, and 44% clay, pH of 5.0, CEC of 15.16, and P of 11. Microbiological analyses indicated that most functional groups were within acceptable ranges. …”
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Petrological controls on the engineering properties of carbonate aggregates through a machine learning approach by Javid Hussain, Tehseen Zafar, Xiaodong Fu, Nafees Ali, Jian Chen, Fabrizio Frontalini, Jabir Hussain, Xiao Lina, George Kontakiotis, Olga Koumoutsakou

“…The analysis identified clay, calcite, feldspar, and dolomite as the primary determinants for the engineering behavior of carbonate aggregates. …”
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Influencing factors and quantitative prediction of gas content of deep marine shale in Luzhou block by Xinyang He, Kun Zhang, Shu Jiang, Zhenxue Jiang, Xueying Wang, Wei Jiang, Jing Li, Yijia Wu, Zhi Gao, Tian Tang, Cheng Yang, Xuejiao Yuan, Fengli Han, Zeyun Wang, Laiting Ye

“…Conclusions below have been reached: the content of adsorbed gas is mainly affected by Ro, TOC content, porosity, water saturation, clay mineral content, formation temperature and pressure; the content of free gas is mainly controlled by porosity, water saturation, formation temperature and pressure; according to the prediction models, the adsorbed gas content, free gas content and total gas content of each well were quantitatively calculated, and the study area was divided into Class I (with a total gas content ≥ 11 m3/t), Class II (with a total gas content between 9 m3/t and 11 m3/t), and Class III (with a total gas content < 9 m3/t) gas-bearing areas.…”
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Hyperspectral inversion of heavy metal content in farmland soil under conservation tillage of black soils by Yanan Chen, Wanying Shi, Guzailinuer Aihemaitijiang, Feng Zhang, Jiquan Zhang, Yichen Zhang, Dianqi Pan, Jinying Li

“…Focusing on the black area region of Jilin Province, this study explored the correlation between three HMs, namely copper, zinc, and cadmium, and organic substances, clay minerals, and ferromanganese oxides through an in-depth analysis of soil samples using soil reflectance spectrometry. …”
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Les broyeurs en pierre en forme de doigt dans le sud-est de la Gaule romaine by Yves Manniez, Vincent Lauras

“…Ultimately, this study allowed us to evoke the ancient origin of finger-shaped stone pestles, as well as to discover that this form was inspired by clay objects already attested to in Mesopotamia in the 6th and 5th millennia BC. …”
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Differential responses of soil C, N, and P ecological stoichiometric characteristics to different configurations of edge-locked forests in the Kubuqi Desert by Xue Chen, Hejun Zuo, Hejun Zuo, Min Yan, Min Yan, Haibing Wang, Haibing Wang, Cheng Xi, Yinchao Chai

“…Both soil SOC and TN content decreased with increasing soil depth, whereas soil TP content displayed no considerable variation among different stand types or soil depths. (2) Based on the N/P threshold hypothesis, N was the limiting nutrient element for the growth of edge-locked forests in the region. (3) The understory soils of different configurations of edge-locked forests mainly comprised sand. The silt and clay contents of SL and NT + XYY were substantially higher than those of the other four configurations. …”
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Land subsidence and rebound response to groundwater recovery in the Beijing Plain: A new hydrological perspective by Dexin Meng, Beibei Chen, Huili Gong, Shubo Zhang, Rui Ma, Chaofan Zhou, Kunchao Lei, Lewei Xu, Xincheng Wang

“…A longer delay between GWL recovery and surface rebound was observed in the aquifer with thicker clay layers, with over 77 % of the compaction being irreversible.…”
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Harbor water pollution by heavy metal concentrations in sediments by L. Sulistyowati, Y. Yolanda, N. Andareswari

“…The sediment fraction is 72.2 percent sandy, 16.4 percent sludge, and 11.4 percent clay substrate.CONCLUSION: Pollution in the waters of the Belawan Harbor is in the category of not polluted to slightly polluted. …”
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Deflection of screen surface and spatial deformation law of screen apertures during 1 mm elastic screening by Haishen JIANG, Ran YANG, Runyu LIU, Shijie YU, Peng GUO, Miao PAN, Long HUANG, Chenlong DUAN

“…Under the action of water and clay minerals, the process of wet material screening has some problems such as strong adhesion between fine particles, significant agglomeration effect, difficulty in particle separation and layering, and severe clogging on the screen surface, leading to difficulties in material sieving and poor screening performance, which can severely restrict the large-scale upgrading and processing of coal. …”
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