Results 41 to 50 of about 4,674,957 (389)

Impact of volcanism on the sedimentary record of the Neuquén rift basin, Argentina: towards a cause and effect model [PDF]

open access: yes, 2018
The analysis of volcano-sedimentary infill in sedimentary basins constitutes a challenge for basin analysis and hydrocarbon exploration worldwide. In order to understand the contribution of volcanism to the sedimentary record in rift basins, we study the
Abebe   +150 more
core   +2 more sources

On the Kimmeridgian (Jurassic) succession of the Normandy coast, northern France [PDF]

open access: yes, 2005
Kimmeridgian rocks crop out on the Normandy coast north and south of the Seine Estuary at Le Havre in a series of small foreshore and cliff exposures separated by beach deposits and landslips.
Gallois, R.W.
core   +1 more source

Sedimentary Environment, Diagenesis, Sequence Stratigraphy, and Reservoir Quality of the Ilam Formation in Dezful Embayment and Abadan Plain in South-West Iran [PDF]

open access: yesarXiv, 2022
The Ilam Formation Cenomanian to Santonian in age is considered one of the main rock reservoirs of the Bangestan Group in the southwest of Iran. This formation mostly consists of carbonate rocks. To examine the sedimentary environment, diagenesis, sequence stratigraphy, and reservoir quality of Ilam Formation in Dezful embayment and Abadan Plain, four ...
arxiv  

The different approaches in seismic stratigraphy interpretation [PDF]

open access: yesTehnika, 2018
This paper presents two basic approaches in seismic stratigraphy interpretation. The first one as starting point have seismic sections, whose interpretation in the later stage correlates with well data.
Radivojević Dejan N.
doaj  

The GSSP Method of Chronostratigraphy: A Critical Review

open access: yesFrontiers in Earth Science, 2018
The use of boundary stratotypes to define chronostratigraphic units began in the 1960s, and, in the 1980s, these were called Global Stratotype Sections and Points (GSSPs). Approximately two-thirds of the GSSPs of the bases of the Phanerozoic stage (71 of
Spencer G. Lucas
doaj   +1 more source

The Palaeolithic sequence of the Arma dell’Aquila (Finale Ligure, Savona, North-western Italy)

open access: yesMateriale și Cercetări Arheologice, 2021
The excavations carried out in the rock-shelter of Arma dell’Aquila by C. Richard in 1938 and 1940 led to the discovery of a thick stratigraphy, the lowermost deposit of which yielded evidence of different periods of Upper Palaeolithic occupation.
Biagi, P., Starnini, E.
doaj   +1 more source

Chemostratigraphy of Neoproterozoic carbonates: implications for 'blind dating' [PDF]

open access: yes, 2001
The delta C-13(carb) and Sr-87/Sr-86 secular variations in Neoproteozoic seawater have been used for the purpose of 'isotope stratigraphy' but there are a number of problems that can preclude its routine use.
Aharon P.   +55 more
core   +1 more source

A cold laboratory hyperspectral imaging system to map grain size and ice layer distributions in firn cores [PDF]

open access: yesThe Cryosphere
The Greenland and Antarctic ice sheets are covered in a layer of porous firn. Knowledge of firn structure improves our understanding of ice sheet mass balance, supra- and englacial hydrology, and ice core paleoclimate records.
I. E. McDowell   +7 more
doaj   +1 more source

Response and Recovery of the Comanche Carbonate Platform Surrounding Multiple Cretaceous Oceanic Anoxic Events, Northern Gulf of Mexico [PDF]

open access: yes, 2015
The ubiquity of carbonate platforms throughout the Cretaceous Period is recognized as a product of high eustatic sea-level and a distinct climatic optimum induced by rapid sea-floor spreading and elevated levels of atmospheric carbon-dioxide.
Da-Gama, Rui O.B.P.   +5 more
core   +1 more source

On the Geological Age of the Sundyr Faunal Assemblage of Permian Tetrapods from the East European Platform [PDF]

open access: yesУчёные записки Казанского университета: Серия Естественные науки, 2015
A new Sundyr faunal assemblage of Permian tetrapods was discovered in Eastern Europe. It includes dinocephalians Titanosuchia fam. indet., tapinocephalians aff. Ulemosauridae, anomodontians aff.
Golubev V.K., Kurkin A.A., Sennikov A.G.
doaj  

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