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Open Journal of Geology (OJG) is an international journal dedicated to the latest advancements in geology. The goal of this journal is to provide a platform for scientists and academicians all over the world to promote, share, and discuss various new issues and developments in different areas of geology. All manuscrip…
Xinhu Li, Yuan Guo
T he method of sedimentary cycle division is studied based on comprehensive research and activity analysis of well logging, combined with wavelet analysis and characteristics of stratigraphic cycle . Based on the method above, this paper divided stratigraphic…
Mousa Bagheri, Sadat Feiznia, Mehran Arian, Rahim Shabanian, Rahim Mahari
Continental ichnology has been taking an ever increasing importance in stratigraphy. In this paper, Continental Trace Fossils in Semnan area have been studied. Semnan Province is one of the 31 provinces which is located in the north of Iran. In the East of Se…
Mahnaz Parvaneh Nejad Shirazi, Fatemeh Dashtaby Jahromi, Mohammad Bahrami
The Fahliyan Formation is a carbonate sequence of Lower Cretaceous (Berriasian-Hauterivian) in age and was deposited in the Zagros sedimentary basin. This formation is a part of Khami Group and is a reservoir rock in Zagros Basin. This formation was investiga…
Takashi Senda, Hideki Shimada, Takashi Sasaoka, Kikuo Matsui
In Japan when urban infrastructures need to be constructed, the difficulty of utilizing the ground or shallow strata will lead to a more frequent use of the deep strata. The common construction methods are open-cut, pipe jacking, and shield methods. In recent…
Minao Sakurai, Fujio Masuda
Subsurface geological cross sections of 0 - 200 m depth were constructed using a dense drilling database of the Osaka Plain in the intra-arc Osaka Basin of the Japan island arc, an active plate margin. The cross sections revealed the subsurface geological str…
Masoud Asgharian Rostami, Mohammad Vahidinia, Ebrahim Ghasemi-Nejad, Abbas Sadeghi
High resolution sampling across the Cretaceous/Paleogene boundary (K/Pg) at the Galanderud section in northern Iran provides the most expanded and continuous section for us to consider biostratigraphy and the mass extinction pattern of Cretaceous planktic for…
Laibin Wang, Shiwen Zhang, Jinshan Shen, Zhongwen Zhang, Xiaotong Yang
Surrounding rock of coal seam was one of the important factors to gas occurrence. The coal seam gas occurrence was studied by the index of roof strata thickness or sand content rate; we found that there were certain shortcomings. In order to reasonably evalua…
Meysam Shafiee Ardestani, Mohammad Vahidinia, Abbas Sadeghi
In this research, the Turonian-early Campanian sedimentary succession of the Abderaz Formation with 510 mthick (comprising: light grey shale and marls) was studied in the type section in eastern Kopeh-Dagh basin. The statistical analysis of the morphotype gro…
Hakimeh Amanipoor, Mohammad Ghafoori, Gholam Reza Lashkaripour
In this study, the petrophysical parameters such as density, sonic, neutron, and porosity were investigated and presented in the 3D models. The 3D models were built using geostatistical method that is used to estimate studied parameters in the entire reservoi…
Mahnaz Parvaneh Nejad Shirazi Parvaneh Nejad Shirazi, Fatemeh Abedi
A biostratigraphic study was carried out in the Lower Creaceous (Aptian - lower Albian) Zagros basin, northeastern Shiraz located at southwestern Iran, allowing the recognition of one lithostratigraphic unit. The Lower Cretaceous shallow-water limestones on t…
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Open Journal of Geology (OJG) is an international journal dedicated to the latest advancements in geology. The goal of this journal is to provide a platform for scientists and academicians all over the world to promote, share, and discuss various new issues and developments in different areas of geology. All manuscrip… All articles are open access under a CC BY 4.0 licence, with authors retaining copyright.
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