Results 121 to 130 of about 34,448 (232)

Revision of some Devonian trilobites from BelgiumThe genera Astycoryphe, Tropidocoryphe, Eifliarges and Koneprusia [PDF]

open access: yes, 2006
Belgian Devonian trilobites have long been known, but remain comparatively poorly documented. A revision of the obsolete nomenclature seems long overdue, and additionally, a critical evaluation of listings of trilobite taxa by MAILLIEUX (1946) made over ...
Magraen, B.
core  

Devonian organogenic buildings of the Urals and adjacent regions of East-Europian Platform and West Siberian

open access: yesЛитосфера, 2015
Several reef-building systems occurred during Cambrian-Devonian on the Urals and adjacent regions of the East-European Platform. The first phase was manifested in the Lower Cambrian within a limited area of the western slope of the Urals.
B. I. Chuvashov   +4 more
doaj   +2 more sources

Heavy mineral stratigraphy of the Unayzah Formation and Basal Khuff Clastics (Carboniferous to Permian) of Central Saudi Arabia [PDF]

open access: yes, 2010
A study of heavy mineral assemblages in the Unayzah Reservoir sandstones of central Saudi Arabia has identified successive changes in provenance signature.
Cocker, Joshua D.   +2 more
core  

Evaluation of existing knowledge of the tectonic history and lithospheric structure of South America [PDF]

open access: yes
While data is available on the lithospheric and crustal structure of the Andes region of South America, there is limited knowledge of these aspects of the eastern portion of the continent.
Keller, G. R., Lidiak, E. G.
core   +1 more source

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