Zobrazeno 1 - 10
of 496
pro vyhledávání: '"Graded bedding"'
Autor:
Vahid Tavakoli
Publikováno v:
Journal of Stratigraphy and Sedimentology Researches, Vol 34, Iss 4, Pp 83-100 (2018)
Abstract This study focuses on fining-upward sequences of carbonate-evaporite series of the Kangan Formation in the central Persian Gulf area. The studied sequences shows a typical succession of tempestite deposits. Comparison of these units with sed
Externí odkaz:
https://doaj.org/article/382a24861d82443ca75692ed1a8c2896
Publikováno v:
Jambura Geoscience Review, Vol 3, Iss 2, Pp 97-111 (2021)
Jambura Geoscience Review; Vol 3, No 2 (2021): Jambura Geoscience Review (JGEOSREV); 97-111
Jambura Geoscience Review; Vol 3, No 2 (2021): Jambura Geoscience Review (JGEOSREV); 97-111
The Dolokapa Formation is a sedimentary rock formation formed in a deep-sea depositional environment with a fairly complex level of deformation and tectonic arrangement. Analysis of the sedimentation mechanism is carried out to determine how much tec
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0d0a438b9ea6f3346849459f140c3270
http://ejurnal.ung.ac.id/index.php/jgeosrev/article/view/8475
http://ejurnal.ung.ac.id/index.php/jgeosrev/article/view/8475
Autor:
James R. Cooper, Prasad Daggupati, Amir H. N. Chegini, Luca Mao, Khabat Khosravi, Andrew D. Binns
Publikováno v:
INTERNATIONAL JOURNAL OF SEDIMENT RESEARCH
Bed-load transport plays a critical role in river morphological change and has an important impact on river ecology. Although there is good understanding of the role of the variation of river bed grain size on transport dynamics in equilibrium condit
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::889d075cefa50e980e559ad743b7e629
https://doi.org/10.1016/j.ijsrc.2019.10.005
https://doi.org/10.1016/j.ijsrc.2019.10.005
Publikováno v:
Marine and Petroleum Geology. 110:676-694
The tight oil sandstone reservoir of the Upper Triassic Yanchang Formation is one of the main targets for hydrocarbon exploration in the Ordos Basin, China. Sandstones of the Upper Triassic Yanchang Formation within lacustrine deep-water gravity-flo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1094e736d5e2b97c7db2603a0077743b
https://doi.org/10.1016/j.marpetgeo.2019.07.046
https://doi.org/10.1016/j.marpetgeo.2019.07.046
Publikováno v:
Journal of Volcanology and Geothermal Research. 380:1-18
After the Plinian Millennium Eruption (including the ME-I and ME-II eruptive stages) of Changbaishan Tianchi volcano in 969 ± 20 CE, two large-volume lahars were deposited mainly on the northern flank of the Erdaobaihe River, which flows through the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::03d9e7af434d5d867624f00a10e45898
https://doi.org/10.1016/j.jvolgeores.2019.05.003
https://doi.org/10.1016/j.jvolgeores.2019.05.003
Publikováno v:
Carbonates and Evaporites. 34:1703-1721
Kuhe-Lar sedimentary phosphate deposit is a major phosphate prospect located in Zagros folded basin in the flank of the Kuhe-Lar-anticline in the southeast of Iran. Phosphate deposits in the Middle East extend in Neo-Tethys basin rim through several
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::aa18e47c4f026300edf09c5befd48583
https://doi.org/10.1007/s13146-019-00520-4
https://doi.org/10.1007/s13146-019-00520-4
Publikováno v:
Precambrian Research. 328:269-286
Neoproterozoic cap dolomites are unusual and distinctive marker units that occur after large Cryogenian glaciations. Several thin dolomite units that have features resembling cap dolomites occur within the Cryogenian-Ediacaran succession of the Adela
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4586a6164206dfca417df141fb7b1c9b
https://doi.org/10.1016/j.precamres.2019.04.026
https://doi.org/10.1016/j.precamres.2019.04.026
Publikováno v:
Meteoritics & Planetary Science. 54:1246-1261
The lower Cambrian Vakkejokk Breccia is a proximal ejecta layer from a shallow marine impact. It is exposed for ~7 km along a steep mountainside in Lapland, northernmost Sweden. In its central parts, the layer is up to ~27 m thick. Here the breccia s
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6904a17b98290b8d931f7c98e1bbd2d6
https://doi.org/10.1111/maps.13275
https://doi.org/10.1111/maps.13275
Autor:
Sarah J. Fowell, Jason A. Addison, Daniel H. Mann, Paul S. Wilcox, James F. Baichtal, Ken Severin
Publikováno v:
Quaternary Research. 92:246-256
Three new tephras have been identified in Southeast Alaska. An 8-cm-thick black basaltic tephra with nine discrete normally graded beds is present in cores from a lake on Baker Island. The estimated age of the tephra is 13,492 ± 237 cal yr BP. Altho
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9f980098e751aac312dbfc8befed1b37
https://doi.org/10.1017/qua.2018.154
https://doi.org/10.1017/qua.2018.154
Autor:
Milan Stafford Tchouatcha, Cecile Olive Mbesse, Valerie Therese Miyemeck Ngonlep, Christel Sobdjou Kemteu, Serge Tchounang Kouonang, Landry Lesage Ouandji Sime
Publikováno v:
Arabian Journal of Geosciences. 14
Sedimentary structures are very useful to characterize sedimentation environments. In this study, sedimentary structures are documented in the Lower Cretaceous Babouri-Figuil and Mayo Oulo-Lere intracontinental Basins whose genesis is linked to the o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a0573a7953ebb2c9222c7fee4b29e938
https://doi.org/10.1007/s12517-021-06763-7
https://doi.org/10.1007/s12517-021-06763-7