Discriminating cool-water from warm-water carbonates and their diagenetic environments using element geochemistry: the Oligocene Tikorangi Formation (Taranaki Basin) and the dolomite effect [PDF]
Fields portrayed within bivariate element plots have been used to distinguish between carbonates formed in warm- (tropical) water and cool- (temperate) water depositional settings.
Al‐Aasm I. S. +14 more
core +2 more sources
Petrophysical and rock physics analyses for characterization of complex sands in deepwater Niger delta, Nigeria [PDF]
Characterization of complex sand reservoirs in deepwater of Niger Delta was carried out through petrophysical and rock physics evaluation of well log data from three wells.
Adeyemi, Olatunde B. +2 more
core +1 more source
Anomalous negative excursion of carbon isotope in organic carbon after the last Paleoproterozoic glaciation in North America [PDF]
Early Paleoproterozoic time (2.5–2.0 Ga) spanned a critical phase in Earth's history, characterized by repeated glaciations and an increase in atmospheric oxygen (the Great Oxidation Event (GOE)).
Bekker +41 more
core +1 more source
A preliminary Scanning Electron Microscope (SEM) study of magnetite surface microtextures from the Wahianoa moraines, Mt Ruapehu, New Zealand. [PDF]
Scanning electron microscope (SEM) of quartz micro‐textures has routinely been used to identify the depositional environment of sediments in areas of former ice‐sheet glaciation.
Brook, Martin S, Mandolla, Stephanie
core
The Stratigraphic Record of Pre-breakup Geodynamics: Evidence from the Barrow Delta, offshore Northwest Australia [PDF]
The structural and stratigraphic evolution of rift basins and passive margins has been widely studied, with many analyses demonstrating that delta systems can provide important records of post-rift geodynamic processes.
Bastow, ID +4 more
core +2 more sources
Geology of Aeolis Dorsa alluvial sedimentary basin, Mars
Aeolis Dorsa is a topographic depression, ∼800 km east of Gale Crater, located along the Mars’ dichotomy boundary. This area hosts a set of fluvial sedimentary rocks displaying an exceptional record of depositional environments and fluvial channels ...
Ilaria Di Pietro +3 more
doaj +1 more source
Timing of initiation of reverse displacement on the Taranaki Fault, northern Taranaki Basin: Constraints from the on land record (Oligocene Te Kuiti Group) [PDF]
Structures associated with the wedge of basement overthrust into Taranaki Basin along the Taranaki Fault, are regarded as hydrocarbon plays and have been tested by drilling through the tip of the overthrust.
Kamp, Peter J.J. +1 more
core
Provenance and depositional environment of the Neogene alluvial deposits of the Birjand Plain (South Khorasan) [PDF]
The study area includes the Neogene alluvial terrace units of Birjand city, which are composed of conglomerate, sandstone and mudstone deposits. Field and petrographicstudies of eight alluvial profile sediments were carried out to investigate the ...
Maryam Mortazavi Mehrizi, Aliyeh Ashrafi
doaj +1 more source
Sedimentology of the Triassic–Jurassic boundary beds in Pinhay Bay (Devon, SW England) [PDF]
Sedimentology of the Triassic–Jurassic boundary beds in Pinhay Bay(Devon, SW England). Proceedings of the Geologists’ Association, 112. 349–360. New exposures in Pinhay Bay (SE Devon) of the White Lias (Langport Member of the Lilstock Formation)and ...
Wignall, P.B.
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