Results 11 to 20 of about 136,322 (365)

Dust storm hazards [PDF]

open access: yesE3S Web of Conferences, 2019
Dust storms originate in many of the world's drylands and frequently present hazards to human society, both within the drylands themselves but also outside drylands due to long-range transport of aeolian sediments.
Middleton Nick
doaj   +1 more source

Trends and Composition—A Sedimentological-Chemical-Mineralogical Approach to Constrain the Origin of Quaternary Deposits and Landforms—From a Review to a Manual

open access: yesGeosciences, 2022
In this study, six basic Quaternary landform series (LFS) and their sedimentary deposits (LFS1 aeolian, LFS 2.1 to 2.2 mass wasting, LFS 3 cryogenic-glacial, LFS 4.1 to 4.6 fluvial, LFS 5.1 to 5.2 coastal-marine, LFS 6.1 to 6.3 lacustrine) are subdivided
Harald G. Dill
doaj   +1 more source

Interpretation of paleoenvironment using benthic foraminifera from Tertiary rocks, northern Sarawak [PDF]

open access: yesMATEC Web of Conferences, 2023
In this work, we collected and examined three samples from an exposed 50 cm thick fossiliferous bed and prepared thin and polished sections for petrographic analysis.
Dayong Vivian, Nagarajan Ramasamy
doaj   +1 more source

Estimation of Erosion Intensity and Sedimentation of Ivar Watershed Using MPSIAC Empirical Methods [PDF]

open access: yesجغرافیا و توسعه, 2016
Erosion and sedimentation is one of the major problems in the management of watersheds  of the country. Erosion and its resulting consequences, by  increasing the human utilization  of the nature from the  early times of the  twentieth century, has ...
Hamid Alipour   +3 more
doaj   +1 more source

Eifelosaurus – The Lonely Lizard [PDF]

open access: yesGeoconservation Research, 2021
The Triassic reptile Eifelosaurus triadicus is an icon of the Geopark Vulkaneifel and the Natural History Museum of Gerolstein (West Eifel, Rhineland Palatinate, W Germany).
Jens Koppka
doaj   +1 more source

Restoration of paleokarst geomorphology of Sinian Dengying Formation in Sichuan Basin and its significance, SW China

open access: yesPetroleum Exploration and Development, 2015
Based on newly drilled well data in the Gaoshiti area in the central Sichuan Basin, profile data of more than 150 field outcrops of the regional geological survey, and stratigraphic division and correlation of more than 30 wells in the Sichuan Basin and ...
Hong LIU   +7 more
doaj   +1 more source

LAGO AMAZONAS: FACT OR FANCY? [PDF]

open access: yesActa Amazonica, 1992
It has been suggested that a huge lake, Lago Amazonas, covered a large part of the Amazon basin until as recently as two thousand years ago. According to this hypothesis, the topmost sediments in western Amazonia are almost universally young deposite of ...
Hanna Tuomisto   +2 more
doaj   +1 more source

Nearshore Pelagic Influence at the SW Margin of the Paratethys Sea—Examples from the Miocene of Croatia

open access: yesGeosciences, 2022
(1) The ancient Paratethys Sea was a spacious inland salt-water basin, extending from the Alps, over Central Europe, to Central Asia. The southwestern part of its central area, the Croatian part of the Pannonian Basin System (CPBS), is generally known ...
Jasenka Sremac   +4 more
doaj   +1 more source

Characteristics and controlling factors of beach-controlled karst reservoirs in Cambrian Longwangmiao Formation, Moxi-Gaoshiti area, Sichuan Basin, NW China

open access: yesPetroleum Exploration and Development, 2014
Based on data from boreholes, cores and lab analysis, the characteristics, genesis and controlling factors of different types of reservoirs in Cambrian Longwangmiao Formation, Moxi-Gaoshiti area, Sichuan Basin, are examined, and the distribution of ...
Mindong JIN   +7 more
doaj   +1 more source

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