نتایج جستجو برای: syncline
تعداد نتایج: 165 فیلتر نتایج به سال:
Mass movements naturally occurring along slopes, especially after heavy rains, cause losses of materials and life affect highways, pipelines, bridges, among other structures. Among the most common mass movements, landslides subsequent flows stand out. Remote sensing geoprocessing techniques are useful tools for geological geotechnical analysis, here applied to characterization from analysis inf...
• Petrological and geochemical characteristics of the Moodies sandstones. Complex post-depositional history rocks. Metamorphic origin analyzed laminae. Anastomosing branching wavy laminae in quartz-rich sandstones 3.22 Ga Group Barberton Greenstone Belt (BGB), South Africa, have been extensively described as fossilized microbial mats developed terrestrial to marine transitional environments. a ...
Fractures have significantly impacted the preservation, enrichment, and productivity of shale gas in Longmaxi Formation complex structural area southern Sichuan Basin. Based on outcrop, core, imaging logging, inclusion analysis, acoustic emission experiments, burial thermal evolution history data, formation stage, preservation conditions fractures were comprehensively studied. Shear are main fe...
The eastern Sichuan Basin in China holds vast potential for oil and gas exploration the Lower-Middle Jurassic strata. However, geological characteristics hydrocarbon accumulation patterns of this region remain largely unclear. During deposition period strata, is characterized by formation multiple sets source, reservoir, caprock assemblages through depositing lake-delta-fluvial deposits, which ...
kopet-dagh basin is located in north and northeast of iran. khangiran formation is one of the most important formations of paleogene deposits. for study of khangiran formation bivalves, chehelkaman syncline section has been selected. this section located in west of sarakhs city, east of kopet-dagh basin. lithology of this formation in the sarakhs region composed of marl, marly limestone and sil...
The geochemical data from surface soils are often neglected or questioned when prospecting for ore deposits within active mining districts due to the “background noise” produced by anthropogenic pollution derived activity. Large datasets on a national and international scale offer interesting possibilities discover prospective zones. In present work, Geochemical Atlas of Castilla–La Mancha were...
In the period between December 2018 and July 2019, a series of earthquakes (EQs), including 16 Ms 5.7 Xingwen mainshock 17 June 2019 6.0 Changning mainshock, struck shale gas exploration field in southern margin Sichuan Basin. The EQs both occurred on concealed faults, which led to hundreds casualties, affected total over 160 thousand people Sichuan. aftershock sequences following were clustere...
The Azov Domain occurs as a part of larger Mesoarchean (3.2-3.0 Ga) craton, fragments which are preserved in the eastern Ukrainian Shield and block Kursk Magnetic Anomaly (KMA). In Neoarchean-Palaeoproterozoic time, it was fragmented into several tectonic blocks: Vovcha, Remivka, Huliaipole, Bilotserkivka, Saltych. northern Huliaipole Block is composed tonalite-trondhjemite-granodiorite (TTG) r...
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