Results 21 to 30 of about 3,638 (277)

Boninite and boninite-series volcanics in northern Zambales ophiolite: doubly vergent subduction initiation along Philippine Sea plate margins [PDF]

open access: yesSolid Earth, 2018
A key component of subduction initiation rock suites is boninite, a high-magnesium andesite that is uniquely predominant in western Pacific forearc terranes and in select Tethyan ophiolites such as Oman and Troodos. We report, for the first time, the
A. Perez   +4 more
doaj   +1 more source

The stratigraphy and origin of the portaskaig boulder bed series (Dalradian) [PDF]

open access: yesGeological Journal, 1965
AbstractThe late Pre‐Cambrian Portaskaig Boulder Bed Series shows a very uniform sequence for some 600 km along the Caledonian strike, from Connemara on the west coast of Ireland to Aberdeenshire in Scotland. The Series, which is divided into four groups of beds, comprises numerous individual boulder beds separated by stratified sediments.
C. Kilburn   +2 more
openaire   +1 more source

Nitrogen Diffusion in Calcite

open access: yesGeophysical Monograph Series, Page 97-104., 2020

This book is Open Access. A digital copy can be downloaded for free from Wiley Online Library.

Explores the behavior of carbon in minerals, melts, and fluids under extreme conditions

Carbon trapped in diamonds and carbonate-bearing rocks in subduction zones are examples of the continuing exchange of substantial carbon ...
Daniele Cherniak   +2 more
wiley  

+15 more sources

The Geomorphological and Geological Structure of the Samaria Gorge, Crete, Greece—Geological Models Comprehensive Review and the Link with the Geomorphological Evolution

open access: yesApplied Sciences, 2022
The Samaria Gorge is a dominant geomorphological and geological structure on Crete Island and it is one of the national parks established in Greece. Due to the complex tectonics and the stratigraphic ambiguities imprinted in the geological formations of ...
Emmanouil Manoutsoglou   +3 more
doaj   +1 more source

Depositional Sedimentary Facies, Stratigraphic Control, Paleoecological Constraints, and Paleogeographic Reconstruction of Late Permian Chhidru Formation (Western Salt Range, Pakistan)

open access: yesJournal of Marine Science and Engineering, 2021
The Upper Indus Basin, in Pakistan’s western Salt Range, is home to the Zaluch Gorge. The sedimentary rocks found in this Gorge, belonging to the Chhidru Formation, were studied in terms of sedimentology and stratigraphy, and provide new insights into ...
Syed Kamran Ali   +8 more
doaj   +1 more source

The Vuelo Ruiz de Alda (1929-30): an exceptional cartographic document. Again about Ilici

open access: yesSagvntum, 2015
In this paper we introduce a first evaluation of the potential of a magnificent resource, as is the photographic series known as Vuelo Ruiz de Alda (1929-30), for the archaeological investigation and in particular the stratigraphy of the landscape.
Jesús Moratalla Jávega
doaj   +1 more source

The Digital Atlas of Ordovician Life: digitizing and mobilizing data for paleontologists and the public [PDF]

open access: yesEstonian Journal of Earth Sciences, 2014
A new online resource, “The Digital Atlas of Ordovician Life: Exploring the Fauna of the Cincinnati Region” (www.OrdovicianAtlas.org), provides a tool for exploring the diversity, systematics, biogeography and stratigraphy of Late Ordovician fossils of ...
Alycia L. Stigall   +2 more
doaj   +1 more source

World Atlas of late Quaternary Foraminiferal Oxygen and Carbon Isotope Ratios [PDF]

open access: yesEarth System Science Data, 2022
We present a global atlas of downcore foraminiferal oxygen and carbon isotope ratios available at https://doi.org/10.1594/PANGAEA.936747 (Mulitza et al., 2021a).
S. Mulitza   +28 more
doaj   +1 more source

The Carboniferous System. Use of the new official names for the subsystems, series, and stages

open access: yesGeologica Acta, 2006
As a result of votes by the Subcommission on Carboniferous Stratigraphy [SCCS] that were ratified by the International Commission on Stratigraphy [ICS] and the International Union of Geological Sciences [IUGS] over the period 1999-2004, the official ...
P.H. HECKEL, G. CLAYTON
doaj   +1 more source

The Jurassic of Denmark and Greenland: The Upper Jurassic of Europe: its subdivision and correlation [PDF]

open access: yesGeological Survey of Denmark and Greenland Bulletin, 2003
In the last 40 years, the stratigraphy of the Upper Jurassic of Europe has received much attention and considerable revision; much of the impetus behind this endeavour has stemmed from the work of the International Subcommission on Jurassic Stratigraphy.
Zeiss, Arnold
doaj  

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