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33541
Effect of Thiouronium-Based Ionic Liquids on the Formation and Growth of CO<sub>2</sub> (sI) and THF (sII) Hydrates
Published 2022-03-01“…Two different methods were selected to perform a thermodynamic and kinetic screening of the CO<sub>2</sub> hydrates using a rocking cell apparatus: (i) an isochoric pressure search method to map the hydrate phase behavior and (ii) a constant ramping method to obtain the hydrate formation and dissociation onset temperatures. …”
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33542
Detrital zircon U-Pb geochronology of stromatolitic carbonates from the greenstone belts of Dharwar Craton and Cuddapah basin of Peninsular India
Published 2020-01-01“…Oldest rocks are sparsely distributed within the Dharwar Craton and little is known about their involvement in the sedimentary sequences which are present in the Archean greenstone successions and the Proterozoic Cuddapah basin. …”
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33543
Reassessment of historical sections from the Paleogene marine margin of the Congo Basin reveals an almost complete absence of Danian deposits
Published 2019-05-01“…We find an almost complete absence of Danian-aged rocks in the Landana section, contrary to prevailing interpretations over the last half a century (only the layer 1, at the base of the section, seems to be Danian). …”
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33544
Fold-Related Fracture Distribution in Neogene, Triassic, and Jurassic Sandstone Outcrops, Northern Margin of the Tarim Basin, China: Guides to Deformation in Ultradeep Tight Sandst...
Published 2021-10-01“…Both opening and shear-mode fractures are extremely necessary reservoir elements for gas production in these rocks but are challenging to characterize with sparse core and well log observations. …”
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33545
Genetic Consequences of Hybridization in Relict Isolated Trees <i>Pinus sylvestris</i> and the <i>Pinus mugo</i> Complex
Published 2020-10-01“…A unique example of an early Holocene relict population of <i>P. sylvestris</i> and <i>P. uliginosa</i> (a taxon from the <i>P. mugo</i> complex) growing on the tops of Jurassic sandstone rocks is located in Błędne Skały (Sudetes). Phenotypically, there are trees resembling <i>P. sylvestris</i>, <i>P. uliginosa</i> and intermediate forms between them. …”
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33546
Late Guadalupian–early Lopingian marine geochemical records from the Upper Yangtze, South China: Implications for climate-biocrisis events
Published 2023-01-01“…Subsequently, the δ13Ccarb presents a rapid positive shift at approximately 259.4 Ma, and climate transformed from interglacial to P4 glacial, indicating that the climate rapidly cooled before the Emeishan LIP completely ended, which may be due to carbon sinks caused by weathering of mafic rocks, and may also be associated with a significant reduction in global volcanic activity. …”
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33547
Different Cooling Histories of Ultrahigh-Temperature Granulites Revealed by Ti-in-Quartz: An Electron Microprobe Approach
Published 2023-07-01“…Ti-in-quartz, a useful indicator of temperature, can decipher the thermal evolution of crustal rocks. Here we apply the Ti-in-quartz (TitaniQ) thermometer to ancient ultrahigh-temperature (UHT) granulites from the Khondalite Belt (KB) in the North China Craton (NCC) and young UHT granulites from the Mogok Metamorphic Belt (MMB), Myanmar. …”
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33548
Sentinel-2 and Sentinel-1 Bare Soil Temporal Mosaics of 6-Year Periods for Soil Organic Carbon Content Mapping in Central France
Published 2023-05-01“…Airborne gamma-ray thorium, slope and S2 bands (e.g., bands 6, 7, 8, 8a) and indices (e.g., calcareous sedimentary rocks, “calcl”) from the “late winter–spring” time series were the most important covariates in this model. …”
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33549
Characteristics of Ions Composition and Chemical Weathering of Tributary in the Three Gorges Reservoir Region: The Perspective of Stratified Water Sample from Xiaojiang River
Published 2022-01-01“…PC1 was the weathering end-member of rocks, including the main ions except K<sup>+</sup> and NO<sub>3</sub>–N, and PC2 may be the mixed end-member of atmospheric input and anthropogenic input. …”
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33550
The Na<sub>2−n</sub>H<sub>n</sub>[Zr(Si<sub>2</sub>O<sub>7</sub>)]∙mH<sub>2</sub>O Minerals and Related Compounds (<i>n</i> = 0–0.5; m = 0.1): Structure Refinement, Framework Topol...
Published 2020-11-01“…The crystal structure of keldyshite can be derived from that of parakeldyshite by the Na<sup>+</sup> + O<sup>2−</sup> ↔ OH<sup>−</sup> + □ substitution mechanism, widespread in the postcrystallization processes in hyperagpaitic rocks.…”
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33551
Typical misinterpretations and scientific concepts in well-logging geologic studies
Published 2023-04-01“…The method and theoretical system of well logging geology have been widely used in the fields of basic geology, petroleum geology and engineering geology, but the different response sensitivity of different well logging series to geological information and the mismatching between geophysical properties of multiple well logs and geological genesis of rocks frequently result in misunderstandings in the research process of well logging geology. …”
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33552
Remediation of grassland subsidence and reduction of land occupation with tailings backfill technology: a case study of lead-zinc mine in Inner Mongolia, China
Published 2023-05-01“…The existence of mined voids will cause surface subsidence, and the surface stockpiling of tailings and waste rocks occupy a large amount of land and the risk of Tailings Storage Facility (TSF) failure. …”
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33553
Discovery of eclogites in Jinsha River suture zone, Gonjo County, eastern Tibet and its restriction on Paleo-Tethyan evolution
Published 2020-03-01“…However, the P-T-t path and chronological framework of the metamorphic evolution in the collisional orogenetic process of this zone are still poorly understood owing to the lack of metamorphism research of symbolic high-pressure rocks. During a regional geological survey on a scale of 1 : 50000 in Gonjo County, Tibet Autonomous Region involved in this paper, (retrograde) eclogites lenses of different scales were found in Jinsha River suture zone, eastern Tibet for the first time. …”
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33554
Mineralization Age and Hydrothermal Evolution of the Fukeshan Cu (Mo) Deposit in the Northern Great Xing’an Range, Northeast China: Evidence from Fluid Inclusions, H–O–S–Pb Isotope...
Published 2020-06-01“…Sulfur and lead isotope results indicate that the ore-forming materials of the Fukeshan Cu (Mo) deposit were likely to have originated from Late Jurassic intrusive rocks. The available data suggest that fluid cooling and incursions of meteoric water into the magmatic fluids were two important factors for Cu precipitation in the Fukeshan Cu (Mo) deposit. …”
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33555
Correlations among large igneous provinces related to the West Gondwana breakup: A geochemical database reappraisal of Early Cretaceous plumbing systems
Published 2023-01-01“…High Ti tholeiites are relevant in the northern PMP and EMP, and dominant in EQUAMP. Evolved rocks (SiO2 = 57–65 wt.%) interpreted as byproducts of assimilation and/or fractional crystallization (AFC) processes from high Ti tholeiitic magmas, are scarce (but present) in all three provinces. …”
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33556
Scavenging and release of REE and HFSE by Na-metasomatism in magmatic-hydrothermal systems
Published 2024-03-01“…Exploitable or potentially exploitable deposits of critical metals, such as rare-earth (REE) and high-field-strength elements (HFSE), are commonly associated with alkaline or peralkaline igneous rocks. However, the origin, transport and concentration of these metals in peralkaline systems remains poorly understood. …”
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33557
Quaternary volcanism in the Yura Monogenetic Field near Arequipa city, southern Peru
Published 2022-09-01“…The eruptive products show ubiquitous olivine phenocryst-rich (<10 vol%) set in a fine pilotaxitic groundmass, suggesting rapid ascent of basaltic magmas to the surface controlled by the tectonic setting. The analyzed rocks lie in a narrow range of basaltic-andesite composition (50.9–55.6 wt% SiO2) being the most mafic Pleistocene - Recent volcanic products identified in the Arequipa basin, along with the least differentiated magmas from the nearby Chachani volcanic cluster. …”
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33558
The Study of Uranium Accumulation in Marine Bottom Sediments: Effect of Redox Conditions at the Time of Sedimentation
Published 2021-08-01“…To evaluate the effect of redox conditions at the sedimentation stage on uranium content and U/TOC ratio in marine source rocks, we analyzed the accumulation of uranium in modern marine bottom sediments formed in different redox conditions. …”
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33559
An Old Pathogen in a New Environment–Implications of Coxiella burnetii in Australian Fur Seals (Arctocephalus pusillus doriferus)
Published 2022-01-01“…Third trimester aborted fetuses (n = 46) and full-term placentas (n = 66) from Australian fur seals, were collected on Kanowna Island and Seal Rocks in Bass Strait, south-eastern Australia. Utilizing routine hematoxylin and eosin histopathology, Cb immunohistochemistry and two different qPCR targets–htpAB and com1, Cb was identified. …”
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33560
Enhancement in Structural and Electroluminescence Properties of Green Light Emission for Semipolar (11–22) InGaN/GaN Based Grown on m-Plane Sapphire via Low Temperature Ammonia Tre...
Published 2022-09-01“…Both samples have been characterized using optical microscope (OM), Atomic Force Microscope (AFM), X-ray rocking curve (XRC) and Electroluminescence (EL). …”
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