نتایج جستجو برای: progradation

تعداد نتایج: 209  

Journal: :Journal of Petroleum Exploration and Production Technology 2022

Abstract Sequence stratigraphy and Electrosequence of the Don-Field Central Swamp depobelt Niger Delta Basin, was carried out using well logs, biostratigraphic core data. The aim this study is to re-characterise revalidate reservoirs within area provide an optimum framework for predicting reservoir character, development quality distribution. Detailed petrophysical evaluation reveals proficient...

Journal: :Marine Geology 2021

Richards Bay is part of a back-barrier lagoon fronted by high coastal dunes on the NE, Indian Ocean coast South Africa. In early 1970s, berm was constructed, dividing original Mhlathuze Estuary into two separate systems; Harbour and new Estuary. This study investigates stratigraphic evolution incised valley system bayhead delta in segment. Seven seismic units (Units 1–7) were imaged. A single r...

Journal: :Journal of Petroleum Geology 2021

A 3D numerical modelling workflow was applied to the Barremian—Aptian source rock interval in a shelfal lower slope area of northern Orange Basin, offshore western South Africa. The main objective investigate timing hydrocarbon generation and migration. Hydrocarbon migration has previously been investigated south basin by relating gas escape features with structural elements as seen on seismic ...

Journal: :Frontiers in Earth Science 2022

Understanding how depositional environments within a sedimentary system redistribute and sequester sediment is critical for interpreting basin-scale provenance trends. However, source-to-sink models commonly examine temporal changes do not consider variation in sedimentation processes across dispersal pathway may result contrasting signatures. In this paper, we demonstrate down-paleoslope shift...

Journal: :Palaeogeography, Palaeoclimatology, Palaeoecology 2021

Volcano-sedimentary cores recovered from Pleistocene Palaeolake Olduvai by the Gorge Coring Project (OGCP) provide a high-resolution record for reconstructing climatic and environmental contexts of hominin evolution. Approximately 612 m were four three drill sites across basin depocentre through scientific drilling, these have yielded unprecedented data that substantially extend both temporally...

Journal: :Marine and Petroleum Geology 2021

Mixed carbonate-siliciclastic systems are complex, and their development can sometimes be difficult to understand, given the various responses each sub-environment specific forcing, such as variation in sediment supply, climatic conditions, or available accommodation. This work integrates a detailed facies, associated with depositional environment reconstruction, all of which is placed sequence...

Journal: :Basin Research 2021

Central Argentina from the Pampean flat-slab segment to northern Patagonia (27°–41°S) represents a classic example of broken retroarc basin with strong tectonic and climatic control on fluvial sediment transport. Combined previous research focused coastal sediments, this actualistic provenance study uses framework petrography heavy-mineral data trace multistep dispersal volcaniclastic detritus ...

Journal: :Quaternary Science Reviews 2021

The behavior of siliciclastic coastal systems is largely controlled by the interplay between accommodation creation and infilling. Factors responsible for altering sediment fluxes to along open-ocean coasts include cross-shore mobilization primarily from tidal currents storms as well changes in alongshore transport rates moderated changing wave conditions, river inputs, artificial shoreline har...

Journal: :Solid Earth 2022

Abstract. The Polish Basin is a part of trans-European sedimentary basin comprising the Central European System and stretching from Denmark through Germany to southeastern Poland, even further south into Ukraine. It experienced uplift during Late Cretaceous, which consequently resulted in inversion its axial (i.e., Mid-Polish Trough) development Anticlinorium. In many existing paleotectonic int...

Journal: :Geosciences 2023

The active development of the problems related to assessment role pedosphere in global climate change involves possibility application quantitative determination soil organic carbon (SOC) as one indicators a climatic response. Here, authors have summarized results their own research over many years (1985–2023), comprising more than 500 determinations SOC within area Chernozem zone, south East E...

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