Results 11 to 20 of about 845,609 (237)

Engineering geological studies for empirical design of tunnel 7 of Jakarta - Bandung high-speed railway, Indonesia [PDF]

open access: yesE3S Web of Conferences, 2021
The empirical design of tunnel 7 of the Jakarta-Bandung high-speed railway was based on the Basic Quality (BQ) system, which was the Chinese standard of rock mass classification.
Pramono Riski   +2 more
doaj   +1 more source

Groundwater Potential Assessment of the Sedimentary and Basement Complex Rocks of Ogun State, Southwestern Nigeria

open access: yesJournal of Water and Environment Technology, 2022
Seventy borehole data were used to appraise the groundwater resources of the sedimentary and Basement Complex rock terrains of Ogun State, Nigeria.
Owolabi Ajayi   +2 more
doaj   +1 more source

Nyexon Rock Avalanches: A Special Intrusion Restraint Mechanism, Tibet, China

open access: yesFrontiers in Earth Science, 2022
The Nyexon Rock Avalanches in the southern Qinghai-Tibet Plateau is a huge scale earthquake-induced slope disaster in the Holocene, the accumulation area has distinct sedimentological characteristics, which is of great significance for studying the ...
Jie Cui   +7 more
doaj   +1 more source

Volcanic and sedimentary processes in phreatomagmatic volcanoes [PDF]

open access: yes, 1982
Phreatomagmatic volcanoes form when ascending magma explosively interacts with surface or groundwater at shallow depths. Three types of phreatomagmatic activity are recognised- phreaticp phreatomagmatic (s. s. ) and surtseyan - based on the degree of
Leys, Clyde Andrew
core   +7 more sources

Recognition of Sedimentary Rock Occurrences in Satellite and Aerial Images of Other Worlds—Insights from Mars

open access: yesRemote Sensing, 2021
Sedimentary rocks provide records of past surface and subsurface processes and environments. The first step in the study of the sedimentary rock record of another world is to learn to recognize their occurrences in images from instruments aboard orbiting,
Kenneth S. Edgett, Ranjan Sarkar
doaj   +1 more source

Organic matter of sediments of South Chukotka [PDF]

open access: yesE3S Web of Conferences, 2020
The article discusses data on paleosol, mineralogy, and paleobotany obtained as a result of studying material collected from the Maastricht-Early Paleocene sediments of the Tanyurer Formation of South Chukotka.
Aparin Boris   +8 more
doaj   +1 more source

Revising source rocks of the central part of Loglor structure according to one-dimensional petroleum system modeling (Andylakh field, the Republic of Sakha (Yakutia)) [PDF]

open access: yesНефтегазовая геология: Теория и практика, 2021
One-dimensional models of petroleum systems are widely used to reconstruct the process of the source rocks thermal evolution. The paper is aimed at the modeling in a well section of the Andylakh gas condensate field - the Republic of Sakha (Yakutia ...
Kosmacheva A.Yu., Fedorovich M.O.
doaj   +1 more source

The characteristics of Precambrian sedimentary basin and the distribution of deep source rock: A case study of Tarim Basin in Neoproterozoic and source rocks in Early Cambrian, Western China

open access: yesPetroleum Exploration and Development, 2016
Based on outcrops of the whole basin, drilling and seismic data, this paper makes a systematic analysis of Neoproterozoic basin stratigraphic distribution and tectonic evolution characteristics in Tarim.
Lin WU   +6 more
doaj   +1 more source

Two-End-Member Mixing in the Fluids Emitted From Mud Volcano Lei-Gong-Huo, Eastern Taiwan: Evidence From Sr Isotopes

open access: yesFrontiers in Earth Science, 2022
Mud volcano is one of the most important conduits for deep seated materials to migrate upward in sedimentary basins, convergent margins, and subduction zones.
Hung-Chun Chao   +9 more
doaj   +1 more source

Structural-mineralogical alterations of sandstones in rock-water and rock-water-oil systems within oil-water contact [PDF]

open access: yesE3S Web of Conferences, 2019
Structural-mineralogical alterations of sandstones under conditions of natural water-oil interaction within Jurassic sedimentary sequences in south-eastern Nurolsk sedimentary basin (Tomsk Oblast, Western Siberian, petroleum province) depend on their ...
Nedolivko Natalya
doaj   +1 more source

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