Results 21 to 30 of about 174,490 (303)

Predicting the depositional environments and transportation mechanisms of sediments using granulometric parameters, bivariate and multivariate analyses [PDF]

open access: yes, 2019
Grain size distribution and classes present in sedimentary rocks are responsive to the physical changes of the transporting media and the basin of deposition.
Ikhane, Phillips R.   +2 more
core   +1 more source

Processes of MISS-formation in a modern siliciclastic tidal flat, Patagonia (Argentina) [PDF]

open access: yes, 2019
The study focus on the description of several MISS as erosional pockets and remnants, flipped-over edges, and large microbial deformation structures as roll-ups, folds and gas domes, in the context of sediment composition, hydraulics, and geomorphology ...
Cuadrado, Diana Graciela   +2 more
core   +1 more source

Sedimentary and evolutionary characteristics of Sinian in the Tarim Basin

open access: yesPetroleum Research, 2017
Analysis of Sinian outcrops in the peripheral regions of the Tarim Basin, drilling and seismic data within the Tarim Basin, and combined with previous studies, distribution of Sinian strata, tectonic setting, sedimentary system and lithofacies ...
Kaibo Shi   +5 more
doaj   +1 more source

Alluvial Sedimentary Records in Indian Precambrian Basins: Implications Toward Unique Precambrian Sedimentary Environment?

open access: yesFrontiers in Earth Science, 2022
“Present is the key to the past”—in this all-inclusive uniformitarians’ geological panacea, the Precambrian continental sedimentation system stands out as an odd candidate.
Partha Pratim Chakraborty   +4 more
doaj   +1 more source

On the peritidal cycles and their diagenetic evolution in the Lower Jurassic carbonates of the Calcare Massiccio Formation (Central Apennines) [PDF]

open access: yes, 2015
This paper shows the environmental changes and high-frequency cyclicity recorded by Lower Jurassic shallow- water carbonates known as the Calcare Massiccio Formation which crop out in the central Apennines of Italy.
Brandano, Marco   +3 more
core   +1 more source

Tidal flat deposits of the Lower Proterozoic Campbell Group along the southwestern margin of the Kaapvaal Craton, Northern Cape Province, South Africa [PDF]

open access: yes, 1991
Lower Proterozoic stromatolites and associated clastic carbonate deposits of the Campbell Group, from the southern margin (Prieska area) of the Kaapvaal Craton, northern Cape Province, are described.
Aigner   +66 more
core   +1 more source

Late Pleistocene sedimentary environment reconstruction and evolution in the Houtao Plain

open access: yesFrontiers in Earth Science, 2023
Reconstructing the Late Pleistocene sedimentary environment history of the Houtao Plain has great significance not only for revealing the evolution of the Yellow River but also for identifying the formation of paleolake and the northern Ulan Buh Desert ...
Fuqiang Li, Hongli Pang, Hongshan Gao
doaj   +1 more source

Provenance history of a Late Triassic-Jurassic Gondwana margin forearc basin, Murihiku Terrane, North Island, New Zealand: petrographic and geochemical constraints [PDF]

open access: yes, 2004
The Murihiku Terrane in the North Island was a forearc basin adjacent to a volcanic arc along the eastern margin of Gondwana during the Mesozoic. The rocks that infill the basin are mainly volcaniclastic sandstones and mudstones, often turbiditic, with ...
Briggs, Roger M.   +2 more
core   +2 more sources

Palaeoesedimentary environment, sequence stratigraphy and geochemistry of the Taleh Zang Formation in Ritt Anticline, southeastern Lorestan Basin [PDF]

open access: yesJournal of Stratigraphy and Sedimentology Researches, 2023
The carbonate deposits of the Taleh Zang Formation are exposed extensively in the southeastern to northern Lorestan zone, SW Iran. The thickness of the shallow water carbonate Taleh Zang Formation in Ritt Anticline is 84.5 meters.
Iraj Maghfouri Moghaddam   +1 more
doaj   +1 more source

Evolución geológica en la cuenca baja del río Colorado durante el cenozoico, Patagonia Norte, Argentina [PDF]

open access: yes, 2019
Climatic changes and eustatic sea levels have been assumed to be the most important controllers of the Colorado River alluvial fan in northern Patagonia.
Perillo, Gerardo Miguel E.   +2 more
core   +2 more sources

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