Results 61 to 70 of about 3,857 (183)

Trench‐Parallel Fluid Migration and Its Transient Discharge in a Cold Subduction Zone Decoded by Geochemistry of Subducted Cherts

open access: yesGeochemistry, Geophysics, Geosystems, Volume 26, Issue 12, December 2025.
Abstract The presence of fluid plays a critical role in controlling the fault slips and the seismogenesis in subduction zones. However, the origins and pathways of the fluid remain poorly understood. In this study, we examined the Inuyama sequence in the Mino belt of Japan, which is an on‐land analog of a cold subduction zone such as the Japan Trench ...
Hanaya Okuda   +6 more
wiley   +1 more source

Decoupling of morphological disparity and taxic diversity during the adaptive radiation of anomodont therapsids [PDF]

open access: yes, 2013
Adaptive radiations are central to macroevolutionary theory. Whether triggered by acquisition of new traits or ecological opportunities arising from mass extinctions, it is debated whether adaptive radiations are marked by initial expansion of taxic ...
Anderson MJ   +7 more
core   +1 more source

The Triassic Rift Event in the Northern North Sea, a New Tectonic Model for the Utsira High Area

open access: yesBasin Research, Volume 37, Issue 4, July–August 2025.
Early Rift development started with the formation of Late Permian Rotliegend half‐grabens. Pre‐existing structures influenced rift location and evolution. Rift developed through Triassic times with the regional strain transferred progressively from east to west.
Riccardo Sordi   +3 more
wiley   +1 more source

Middle Triassic (Anisian) Limestones from Bled, Northwestern Slovenia: Microfacies and Microfossils

open access: yesGeologija, 1994
Microfacies types (predominantly intrabioclastic grainstones) and microfossils (predominantly dasycladacean algae and diverse foraminifera) characterize the Anisian carbonates near Bled (Castle Hill) and in the area westnorthwest of Bled as subtidal to ...
Erik Flügel   +2 more
doaj  

Ammonoids of the middle/late Anisian boundary (Middle Triassic) and the transgression of the Prezzo Limestone in eastern Lombardy-Giudicarie (Italy) [PDF]

open access: yes, 2018
This study documents ammonoids with a precise stratigraphic control at the middle/late Anisian (Pelsonian/Illyrian) boundary from a new locality in eastern Lombardy-Giudicarie (Monte Guglielmo) and from classical sections in Giudicarie.
Brack, Peter   +3 more
core  

Silicification and organic matter preservation in the Anisian Muschelkalk: Implications for the basin dynamics of the central European Muschelkalk Sea [PDF]

open access: yes, 2017
Anisian Muschelkalk carbonates of the southern Germanic Basin containing silicified ooidal grainstone are interpreted as evidence of changing pH conditions triggered by increased bioproductivity (marine phytoplankton) and terrestrial input of plant ...
Costin, Gelu   +2 more
core   +1 more source

Heritage of Tethyan Oceanic Transform Faults Within Alpine Orogens: Paleomagnetic Evidence From the Shkoder‐Peja Transverse Zone (Northern Albania)

open access: yesTectonics, Volume 44, Issue 6, June 2025.
Abstract The Shkoder‐Peja transverse zone (SPTZ) of Northern Albania marks the boundary between the Dinarides and Albano‐Hellenides and is marked by a ∼100 km SW‐ward shift of the ophiolitic nappe front. The SPTZ has been variably interpreted as a paleogeographic inheritance, a dextral strike‐slip fault, the hinge of the clockwise (CW) rotating Albano ...
F. Feriozzi, G. Siravo, F. Speranza
wiley   +1 more source

The Triassic Marine Biota of Eastern Indonesia and its Interregional and Global Correlation: A Review

open access: yesIndonesian Journal on Geoscience, 2014
DOI: 10.17014/ijog.v5i1.91The interregional and global correlation of the Triassic biota of Indonesia was based on the review of previous workers and the author himself.
Fauzie Hasibuan
doaj   +1 more source

Quantitative sedimentological analysis of the aeolian–fluvial Triassic Sherwood Sandstone Group, Cheshire Basin, UK

open access: yesSedimentology, Volume 72, Issue 4, Page 1233-1274, June 2025.
ABSTRACT Sedimentological analysis of the outcropping Sherwood Sandstone Group, northern Cheshire Basin, UK, documents the preserved stratigraphic expression of water table‐controlled aeolian‐dominated erg‐margin successions (Wilmslow Sandstone Formation and lower Helsby Sandstone Formation), overlain by dryland fluvial deposits (middle Helsby ...
Grace I. E. Cosgrove   +5 more
wiley   +1 more source

MIDDLE TRIASSIC FORAMINIFERA FROM THE SECEDA CORE (DOLOMITES, NORTHERN ITALY)

open access: yesRivista Italiana di Paleontologia e Stratigrafia, 2002
The assemblage of foraminifera in turbidite beds in Middle Triassic basinal deposits straddling the Anisian/Ladinian boundary interval was studied in 224 thin sections.
FLORIAN MAURER, ROBERTO RETTORI
doaj   +1 more source

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