Results 41 to 50 of about 376 (96)

Distinguishing climate and tectonic signals in the stratigraphy of the Kura Basin, the southeastern foreland of the Greater Caucasus

open access: yesSedimentologika
Assessing the relative contributions of tectonics and climate in orogenic systems and the stratigraphy preserved within their fringing basins has guided research for decades.
Kristoffer Fowler, Adam M. Forte
doaj   +1 more source

The GSSP Method of Chronostratigraphy: A Critical Review

open access: yesFrontiers in Earth Science, 2018
The use of boundary stratotypes to define chronostratigraphic units began in the 1960s, and, in the 1980s, these were called Global Stratotype Sections and Points (GSSPs). Approximately two-thirds of the GSSPs of the bases of the Phanerozoic stage (71 of
Spencer G. Lucas
doaj   +1 more source

Recent centrifuge modelling of offshore geotechnical problems at IWHR [PDF]

open access: yesE3S Web of Conferences, 2019
Centrifuge modelling has been proven to be an efficient and reliable approach for examining offshore geotechnical problems. This study reports the two series of centrifuge tests to understand the behaviour of spudcan penetration in a “soft-stiff-soft ...
Liang Jianhui, Song Xianhui
doaj   +1 more source

The 2012 Studies of the Kashan I Fortified Site

open access: yesПоволжская археология, 2013
The results of a new series of investigations on the Kashan I fortified site (Laishevo district, Republic of Tatarstan), one of the understudied cities of Volga Bulgaria, are made public in the article.
Shigapov Marat B.
doaj   +1 more source

Defining multiple inhabitations of a cave environment using interdisciplinary archaeometry: the ‘Christmas Cave’ of the Wadi en-Nar/Nahal Qidron, West of the Dead Sea

open access: yesHeritage Science, 2022
The present study reports a series of interdisciplinary archaeometrical analyses of objects found in the Christmas Cave, which was discovered by John Allegro and his team in 1960 on the West Bank of the Dead Sea and assumed to be inhabited only in the ...
Kaare Lund Rasmussen   +14 more
doaj   +1 more source

Record for the quantification of archaeological pottery: state of art and a new proposal. Seville Protocol (PRCS/14)

open access: yesZephyrus, 2016
We introduce here a new quantification proposal in protohistoric and classical pottery studies. The proposal also includes the way of representation of such analytics with the aim of making homogeneous diagnostic, analysis and publication models of any ...
Andrés María ADROHER AUROUX   +5 more
doaj   +1 more source

A hitherto unknown river type from the Archaean at Bhurkuli (Jharkhand, E India)

open access: yesGeologos, 2017
The Archaean granitoid pluton of the Singhbhum craton in E India is overlain by Archaean to Palaeoproterozoic metasediments. These sediments are still poorly known and their stratigraphy is under debate.
Loon A.J. (Tom) van, De Shuvabrata
doaj   +1 more source

LOWER TO MIDDLE TOARCIAN FROM THE COIMBRA REGION (LUSITANIAN BASIN, PORTUGAL): SEQUENCE STRATIGRAPHY, CALCAREOUS NANNOFOSSILS AND STABLE-ISOTOPE EVOLUTION

open access: yesRivista Italiana di Paleontologia e Stratigrafia, 2004
This multidisciplinary study (facies analysis, sequence stratigraphy, calcareous nannofossils and carbon stable isotopes) focuses on the Lower to Middle Toarcian succession cropping out in the Coimbra region (Northern sector of the Lusitanian Basin ...
LUÍS DUARTE   +4 more
doaj   +1 more source

La bordure occidentale du Gebel Qarara (Moyenne-Égypte) : éléments de géologie pour la compréhension du relief et de l'histoire de l'occupation humaine

open access: yesPhysio-Géo, 2011
The western edge of Gebel Qarara (Nile Valley, Egypt) was the subject of a micro-regional geological study. After a re-reading of the lithologic stratigraphy, which corresponds to the eponymous Qarara sequence and is dated to the Middle Eocene, this ...
Bernard Moulin
doaj   +1 more source

Sodankylä manual snow survey program [PDF]

open access: yesGeoscientific Instrumentation, Methods and Data Systems, 2016
The manual snow survey program of the Arctic Research Centre of the Finnish Meteorological Institute (FMI-ARC) consists of numerous observations of natural seasonal taiga snowpack in Sodankylä, northern Finland.
L. Leppänen   +4 more
doaj   +1 more source

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