Results 21 to 30 of about 8,079 (230)

Upper Jurassic (Malm) Shallow-Water Carbonates in the Western Gorski Kotar Area: Facies and Depositional Environments (Western Croatia)

open access: yesGeologia Croatica, 2010
Shallow-water carbonates in the Upper Jurassic of the Gorski Kotar were deposited on a carbonate ramp, in beach-barrier island-lagoonal and peritidal environments. In the continuous sequence, more than 900 m thick, several facies have been found: (A) low-
Josip Tišljar, Ivo Velić
doaj   +1 more source

Evidence of macrophagous teleosaurid crocodylomorphs in the Corallian Group (Oxfordian, Late Jurassic) of the UK [PDF]

open access: yesPeerJ, 2015
Teleosaurids were a group of semi-aquatic crocodylomorphs with a fossil record that spanned the Jurassic Period. In the UK, abundant specimens are known from the Oxford Clay Formation (OCF, Callovian to lower Oxfordian), but are very rare in the ...
Davide Foffa   +2 more
doaj   +2 more sources

SUBOREAL/BOREAL AMMONITE SUCCESSION AT THE OXFORDIAN/KIMMERIDGIAN BOUNDARY IN THE FLODIGARRY SECTION (STAFFIN BAY, ISLE OF SKYE, UK)

open access: yesRivista Italiana di Paleontologia e Stratigrafia, 2004
The Flodigarry section at Staffin Bay, Isle of Skye, has yielded numerous ammonites both of Subboreal and Boreal affinity. This has enabled close correlation of the Subboreal and Boreal ammonite zonations, and provided new palaeontological data on levels
BRONIS£AW A.MATYJA   +3 more
doaj   +1 more source

Petroleum geology of the Upper Jurassic – Lower Cretaceous of East and North-East Greenland: Blokelv-1 borehole, Jameson Land Basin: Late Jurassic evolution of the Jameson Land Basin, East Greenland – implications of the Blokelv-1 borehole [PDF]

open access: yesGeological Survey of Denmark and Greenland Bulletin, 2018
Data from the recently drilled, fully cored Blokelv-1 borehole and previous cored boreholes in the Upper Jurassic of Jameson Land, central East Greenland, are integrated with published field studies to address the depositional evolution of the Jameson ...
Morten Bjerager   +5 more
doaj  

Coupled stress-suction changes in the Callovo-Oxfordian claystone [PDF]

open access: yesE3S Web of Conferences, 2023
Some (saturated) claystones, considered as host rocks for deep radioactive waste disposal, are sensitive to drying and wetting. Wetting may result in swelling and damage during the resaturation of specimens for mechanical testing.
Braun Philipp   +3 more
doaj   +1 more source

Stratigraphy, facies and geodynamic settings of Jurassic formations in the Bükk Mountains, North Hungary: its relations with the other areas of the Neotethyan realm. [PDF]

open access: yes, 2013
Jurassic mélange complexes related to the subduction of the Neotethys Ocean occur in the Bükk Mountains, North Hungary. This paper characterizes the sedimentary sequence of basin and slope facies that occur in the southwestern part of the Bükk ...
Allemann   +99 more
core   +1 more source

Regional settings and characteristics of an Oxfordian hot shale [PDF]

open access: yesGeoArabia, 2012
Development of predictive geological rules is vital for successful exploration and development. The “sweet spotting” concept is widely used to predict areas with better-than-average porosity and permeability. However the definition of sweet spots in unconventional plays is still an emerging concept.
M.C. Poppelreiter   +3 more
openaire   +1 more source

Callovian–Oxfordian hecticoceratins from western India: Their biostratigraphic and palaeobiogeographic implications

open access: yesJournal of Palaeogeography, 2014
The Kutch Basin of western India is famous for its rich assemblages of the Callovian–Oxfordian ammonites. The family Oppelidae Douvillé is the second most diverse ammonite group after perisphinctids during the Middle–Upper Jurassic.
Pinaki Roy
doaj   +1 more source

Trachyteuthis covacevichi n. sp., a Late Jurassic Palaeopacific coleoid cephalopod [PDF]

open access: yesFossil Record, 2008
A new early Oxfordian coleoid cephalopod, Trachyteuthis covacevichi n. sp., is described from northern Chile. It represents the first Late Jurassic Palaeopacific vampyropod and thus considerably extends the palaeogeographic distribution of trachyteuthids.
D. Fuchs, H.-P. Schultze
doaj   +1 more source

Stable isotope (δ18O and δ13C) sclerochronology of Callovian (Middle Jurassic) bivalves (Gryphaea (Bilobissa) dilobotes) and belemnites (Cylindroteuthis puzosiana) from the Peterborough Member of the Oxford Clay Formation (Cambridgeshire, England): Evidence of palaeoclimate, water depth and belemnite behaviour [PDF]

open access: yes, 2014
Incremental δ18O and δ13C signals were obtained from three well-preserved specimens of Cylindroteuthis puzosiana and from three well-preserved specimens of Gryphaea (Bilobissa) dilobotes from the Peterborough Member of the Oxford Clay Formation ...
A.L.A. Johnson   +81 more
core   +3 more sources

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