Results 71 to 80 of about 3,184 (221)

Sediment‐stressed reefs over the past 420 Myr

The Depositional Record, Volume 12, Issue 1, February 2026.
In order to fully elucidate the relationship between siliciclastic sedimentation and reef development, there needs to be a significant step change in how we record ancient and recent reefs. Only through the collection of constrained quantitative data, we can progress beyond the largely conjectural associations postulated for many ancient reefal systems.
Tanja Unger, Stephen W. Lokier, Markus Aretz, Matthieu Saillol, Adrian Immenhauser   +4 more
wiley   +1 more source

From Quarries to Urban Construction Sites: Middle‐Late Mesozoic Limestones in the Public Architecture of Roman Verona, Italy

Geoarchaeology, Volume 41, Issue 1, January/February 2026.
ABSTRACT Numerous buildings, monuments, and infrastructural works in Verona were constructed during the Roman period using stone, a material abundantly available from quarrying areas located relatively close to the city. Petrographic investigations conducted by Transmitted Polarized Light Optical Microscopy (TPL‐OM) and complemented by colorimetric ...
Eliana Bridi, Simone Dilaria, Jacopo Bonetto, Caterina Previato   +3 more
wiley   +1 more source

Oxfordian magnetostratigraphy of Britain and its correlation to Tethyan regions and Pacific marine magnetic anomalies

, 2010
A suite of 11 sections through the Oxfordian (Upper Jurassic) strata in the Dorset and Yorkshire regions of England and the Isle of Skye in Scotland yielded magnetic polarity patterns directly calibrated to the ammonite biostratigraphy of the Boreal and ...
Ogg, James G., Wright, John K., Przybylski, Piotr A., Coe, Angela L.   +3 more
core   +1 more source

Petroleum geology of the Upper Jurassic – Lower Cretaceous of East and North-East Greenland: Blokelv-1 borehole, Jameson Land Basin: Biostratigraphy of the Hareelv Formation (Upper Jurassic) in the Blokelv-1 core, Jameson Land, central East Greenland [PDF]

Geological Survey of Denmark and Greenland Bulletin, 2018
The Hareelv Formation in the Blokelv-1 core is biostratigraphically subdivided by means of ammonite and dinoflagellate cyst stratigraphy. The succession ranges from the Oxfordian C. densiplicatum Chronozone to the Volgian P. elegans Chronozone.
Peter Alsen, Stefan Piasecki
doaj  

Middle–Upper Jurassic palynology of the South Sallum well, North Western Desert, Egypt

Egyptian Journal of Petroleum, 2018
Palynological analyses have been carried out on some samples of Middle–Upper Jurassic from the South Sallum well, North Western Desert, Egypt. A refinement of the original chronostratigraphy has been suggested and the stages of Bathonian – Callovian and ...
Tarek F. Mostafa, Maher I. El Soughier, Walid A. Makled   +2 more
doaj   +1 more source

Real‐Time Monitoring of Carbon Steel Corrosion Under High‐Dose Gamma Irradiation Using Electrical Resistance Sensors Designed for Deep Geological Repository of Radioactive Waste

Materials and Corrosion, Volume 77, Issue 1, Page 46-54, January 2026.
Electrical (ER) corrosion sensors made of AISI 1010 carbon steel are tested under gamma irradiation (0.25–1.00 MGy) for deep geological radioactive waste disposal applications. Despite the high dose rates of this study, ER sensors remain reliable, showing no significant loss in measurement performances.
Johan Becker, Erwan Diler, Krystel Pélissier, Johan Bertrand   +3 more
wiley   +1 more source

Caenogastropods and heterobranch gastropods from the Hettangian deposits of Luxembourg: palaeobiogeography and Early Jurassic faunal recovery in the western Tethys

Papers in Palaeontology, Volume 12, Issue 1, January/February 2026.
Abstract We describe the Hettangian Caenogastropoda and Heterobranchia of the Luxembourg Sandstone Formation, a wedge of clastic sediments deposited along the eastern margin of Paris Basin during the Early Jurassic. Five new genera and 11 new species are erected: Bourguetia bipartita sp. nov., Globularia delsatei sp. nov., Oonia feidtorum sp.
Stefano Monari, Roberto Gatto, Mara Valentini, Robert Weis   +3 more
wiley   +1 more source

Oxfordian brachiopods from the Saïda and Frenda mountains (Tlemcenian Domain, north-western Algeria)

, 2017
Five brachiopod species are reported from two middle to upper Oxfordian (Late Jurassic) outcrops, situated in the Saïda and Frenda mountains (Tlemcenian Domain, north-western Algeria) and belonging to the heterochronous (Callovian to Oxfordian, locally ...
Cherif, A., Halamski, A. T.
core   +1 more source

Jurassic tracks and HS2: a twenty‐first century journey

Geology Today, Volume 41, Issue 6, Page 234-243, November/December 2025.
The biggest UK railway construction site since the nineteenth century has exposed a near‐complete time slice through the entire Jurassic succession of central England. This is yielding a wealth of stratigraphical, palaeobiological and palaeoenvironmental data that is otherwise generally poorly exposed at the present day.
Jonathan D. Radley, Murray Edmunds, Giles Hemmings, Neville T.J. Hollingworth, Sally Hollingworth, Nigel R. Larkin   +5 more
wiley   +1 more source

Foraminiferal distribution and sequence stratigraphy of Oxfordian successions in the Wessex/Anglo-Paris Basin [PDF]

, 2004
The use of micropalaeontology within a sequence stratigraphic context is rapidly emerging as a valuable tool for the recognition of ancient cycles and sequences.
Oxford, Melissa Jane
core