Results 91 to 100 of about 8,079 (230)

Tracking sea bed topography in the Jurassic. The Lotena Group in the Sierra de la Vaca Muerta (Neuquén Basin, Argentina) [PDF]

open access: yes, 2005
The Lotena Group is a clastic to evaporitic unit up to 650 m thick that accumulated during the Middle to Late Jurassic in the Neuquén Basin, western Argentina.
Zavala, Carlos Alberto
core   +1 more source

Mineralogical and isotopic record of biotic and abiotic diagenesis of the Callovian-Oxfordian clayey formation of Bure (France) [PDF]

open access: yes, 2011
International audienceThe Callovian-Oxfordian (COx) clayey unit is being studied in the Eastern part of the Paris Basin at depths between 400 and 500 m depth to assess of its suitability for nuclear waste disposal.
Agrinier, Pierre   +11 more
core   +4 more sources

New record of Pseudocidaris sp. (Echinoidea:Hemicidaridae) of lower Cretaceous (Valanginian-Hauterivian) from Zapatoca, (Santander Colombia).

open access: yesIngeniería Investigación y Desarrollo, 2015
In this study it is reported and described a regular echinoderm of Pseudocidaris genus in the Rosablanca Formation of Lower Cretaceous at the municipality of Zapatoca (Santander, Colombia).
Javier Hernando Jerez-Jaimes   +2 more
doaj   +1 more source

Iberopora bodeuri GRANIER & BERTHOU 2002 (incertae sedis) from the Plassen Formation (Kimmeridgian–Berriasian) of the Tethyan Realm [PDF]

open access: yes, 2004
Iberopora bodeuri GRANIER & BERTHOU 2002, formerly known as “crust problematicum” (SCHMID, 1996) is described from the Plassen Formation (Kimmeridgian–Berriasian) of the Northern Calcareous Alps (NCA).
F. Schlagintweit
core   +1 more source

Role of carbonate minerals in the distribution of trace elements in marine clay formations [PDF]

open access: yes, 2016
International audienceAnthropogenic radionuclides (RN) are generated by a wide range of industrial and medical activities. In the contexts of waste storage, the quantification of RN migration is of paramount importance.
Claret, Francis   +7 more
core   +3 more sources

Strontium isotope stratigraphy: LOWESS version 3: best fit to the marine Sr-isotope curve for 0-509 Ma and accompanying look-up table for deriving numerical age [PDF]

open access: yes, 2001
An improved and updated version of the statistical LOWESS fit to the marine 87Sr/86Sr record and a revised look-up table (V3:10/99; available from j.mcarthur@ucl.ac.uk) based upon it enables straightforward conversion of 87Sr/86Sr to numerical age, and ...
Bailey, T.R.   +2 more
core  

The oppeliid, perisphinctid and aspidoceratid ammonite faunas of the 'Corallian' Beds (Upper Jurassic) in Cambridgeshire, England [PDF]

open access: yes, 2015
The Upware Limestone Member comprises an enclave of Middle Oxfordian \u27Corallian\u27 facies limestone situated on the East Midlands Shelf within the more typical mudrock-dominated sequences of eastern England, and is assigned to the West Walton ...
Kelly, SRA, Page, KN, Wright, JK
core   +1 more source

STRATOTYPE SECTIONS OF THE OXFORDIAN OF UKRAINIAN PRECARPATHIANS

open access: yesTectonics and Stratigraphy, 2015
Представлено результати комплексних досліджень відкладів оксфорду Українського Передкарпаття. Згідно до чинної стратиграфічної схеми, оксфордські відклади на території Передкарпатського прогину представлені рифогенним комплексом, у складі якого виділені бонівська, рудківська і городоцька світи. Голостратотип був описаний автором (В.Г. Дулуб, 1995) лише
Zhabina, N.N., Anikeyeva, O.V.
openaire   +3 more sources

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