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Characteristics and paleoclimate significance of authigenic ferrimagnetic minerals in the Xuancheng red earth, southern China.
Sci Rep
January 2025
School of Earth Sciences, China University of Geosciences, Wuhan, 430074, Hubei, China.
Soil magnetic records in Quaternary red earth (QRE) deposits contain a valuable record of paleoclimate information, providing insights into controls on Earth's climate system in the past and potentially helping to predict its response to perturbations in the future. Here, analysis of the environmental magnetism and mineralogy of the Xuancheng QRE (Anhui Province, South China) shows that magnetic variation was strongly linked to production of authigenic ferrimagnetic minerals such as maghemite. Fine-grained maghemite formed during the weathering-related transformation of iron-bearing illite to vermiculite, generating aggregates of vermiculite or mixed-layer illite-vermiculite.
View Article and Find Full Text PDFNew evidence for the earliest ornithischian dinosaurs from Asia.
iScience
January 2025
Center for Vertebrate Evolutionary Biology, Yunnan University, Kunming 650091, China.
The Early Jurassic ornithischian dinosaurs in Laurasia are dominated by armored dinosaurs, with other early ornithischian groups being rare. Here, a new taxon, gen. et sp.
View Article and Find Full Text PDFEvidence of a 4.33 billion year age for the Moon's South Pole-Aitken basin.
Nat Astron
October 2024
Department of Earth and Environmental Sciences, The University of Manchester, Manchester, UK.
The Moon's farside South Pole-Aitken (SPA) basin is the largest and oldest visible impact basin in the inner Solar System. Determining the timing of this catastrophic event is key to understanding the onset of the lunar basin-forming epoch, with implications for understanding the impact bombardment history of the inner Solar System. Despite this, the formation age of the SPA basin remains poorly constrained.
View Article and Find Full Text PDFLong-term prediction for karst spring discharge and petroleum substances concentration based on the combination of LSTM and Transformer models.
Water Res
January 2025
College of Resources and Environmental Engineering, Guizhou University, Guiyang 550025, China.
Monitoring the quantity and quality of karst springs is essential for groundwater resource management. However, it is challenging to robustly forecast the karst spring discharge and pollutant concentration due to the high complexity and heterogeneity of karst aquifers. Few researchers have addressed the long-term prediction of hourly spring quantity and quality, which is crucial for emergency management.
View Article and Find Full Text PDFEffects of different water and fertilizer treatments on the matrix properties and plant growth of tailings waste.
Sci Rep
January 2025
Land and Resources Survey Center, Hebei Provincial Geology and Mineral Exploration and Development Bureau, Shijiazhuang, 050081, China.
Vegetation ecological restoration technology is widely regarded as an environmentally sustainable and green technology for the remediation of mineral waste. The appropriate ratio of amendments can improve the substrate environment for plant growth and increase the efficiency of ecological restoration. Herbs and shrubs are preferred for vegetation restoration in abandoned mines because of their rapid establishment and easy management.
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