Results 1 to 10 of about 60,260 (238)
Devitrification-driven pore formation in the tight tuff from the Tiaohu formation in the Santanghu Basin, Northwest China [PDF]
Scientific ReportsThe formation of oil-bearing pores in tight tuff has attracted considerable attention from petroleum geologists since the discovery of industrial oil.Devitrification may be an important cause for the formation of these pores; however, the relevant ...
Bin Bai +6 more
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Evaluating the Performance of Cocopeat and Volcanic Tuff in Soilless Cultivation of Roses [PDF]
PlantsRoses are increasingly being grown in soilless systems to increase productivity and reduce the challenges associated with soil-based cultivation. This study investigates the effects of using cocopeat and volcanic tuff substrates, the particle size of ...
Malik G. Al-Ajlouni +3 more
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Temporal and spatial distribution of the Qom Formation pyroclastic deposits with special emphasis on SE Kerman Province: Their application in (tephra) event stratigraphy [PDF]
Journal of Stratigraphy and Sedimentology Researches, 2022 This article is the first published example of the application of (tephra) event stratigraphy in the Qom Formation as well as the temporal and spatial distribution of the Qom Formation pyroclastic deposits. The presence of igneous (volcanic) associations
Ebrahim Mohammadi
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Solid Earth Sciences, 2021 Tuff of Middle Permian as a record of volcanic activity are widely distributed in the northern hemisphere, such as South China, but origin of the tuff bed remains unclear.
Likai Ge +3 more
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Horticulturae, 2023 In the Canary Islands and in other parts of the world where it can be found in its natural state, basaltic tephra, or “Picón” as it is known locally, is commonly used as a soilless substrate for crops.
Belarmino Santos Coello +1 more
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Dizhi lixue xuebao, 2023 Whether the Permian sedimentary records are still preserved in the northern Qaidam Basin is an open issue with various viewpoints. Most regional geological correlations imply that those Permian successions have been wholly eroded or that there is no ...
LIU Jia, QIAN Tao
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工程科学学报, 2022 In the process of underground engineering construction, tuff in the fault fracture zone under a three-dimensional stress state loses particles under the action of fluid–solid coupling, causing the structural instability of the fault fracture rock ...
Chang-fu HUANG +7 more
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The Permeability Analysis in Case of Tuff and Limestone Addition in the Concrete Composition
Bulletin of the Polytechnic Institute of Jassy: Constructions, Architechture Section, 2022 This research aimed to analyze the effects of using tuff and limestone as supplementary pozzolanic materials on the permeability of a classic C12/15 concrete composition.
Babor Dănuţ-Traian +2 more
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Open Geosciences, 2021 The timing of Barleik Formation in Xinjiang, NW China, has not been constrained by accurate geochronology yet, while this work is of great significance to help reconstruct the geological tectonic evolution of Western Junggar.
Hui Yuanxiu +6 more
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Buildings, 2022 Water plays an important role in the deterioration of rocks. Often, the condensation cannot be ignored in addition to the rain and seepage, especially for stone relics built with tuff in humid areas.
Yang Wu +3 more
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