Results 111 to 120 of about 1,927,269 (224)

Devonian calcrete from China: its significance as the first Devonian calcrete from Asia

open access: yes, 1982
The first Devonian calcrete known from Asia has been found in northeast Yunnan Province in southeastern China. The scarcity of lower and middle Paleozoic calcretes and their paleoclimatic significance prompt this brief note.
A. J. Boucot   +5 more
core   +1 more source

Trace fossil evidence for infaunal moulting in a Middle Devonian non-trilobite euarthropod. [PDF]

open access: yesSci Rep, 2020
Mángano MG   +5 more
europepmc   +1 more source

Middle Devonian palynomorphs from southern Moravia: an evidence of rapid change from terrestrial deltaic plain to carbonate platform conditions

open access: yes, 2011
Middle Devonian palynomorphs from southern Moravia: an evidence of rapid change from terrestrial deltaic plain to carbonate platform conditions Dispersed fossil miospores and acritarchs have been recovered from the subsurface pelites in the ...
Milada Vavrdová, Jiřina Dašková
core   +1 more source

Symbiosis in Late Devonian-Mississippian corals: a review

open access: yes, 2017
There are four symbiotic associations involving corals known from the Late Devonian. Corals formed at least six symbiotic associations in the Mississippian, most of which involved crinoids. There was an escalation in the abundance and complexity of coral
Vinn, Olev, Olev Vinn
core   +1 more source

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

Middle Devonian Crinoids from the Parnaiba Basin (Pimenteira Formation, Tocantins State, Brazil)

open access: yes, 2011
This contribution presents the first description of crinoids from western margin of Parnaiba Basin. It also presents their first description in the Pimenteira Formation (Devonian of the Parnaiba Basin, state of Tocantins, Brazil).
Vera Maria Medina Da Fonseca   +9 more
core   +1 more source

Palinologia e estratigrafia do PZ superior da ZOM, NW e SW de Portugal [PDF]

open access: yes, 2010
Doutoramento em GeociênciasNeste trabalho descreve-se e interpreta-se a estratigrafia e palinologia de rochas sedimentares e metassedimentos de idade devónica e carbónica aflorantes ao longo da zona de cisalhamento Porto-Tomar, a Sul na Bacia de Santa
Machado, Gil Monteiro Jacinto
core  

Modeling Middle Devonian deposition in the Selwyn Basin, Northern Yukon.

open access: yes, 2008
Color poster with text, maps, and diagrams describing research conducted by Elizabeth Balgord, advised by J. Brian Mahoney, and Robert Hooper.A Ni-Mo-PGE sulfide deposit (NiMo) in norteastern Yukon occurs at the boundary between Ordovician-Early Devonian
Balgord, Elizabeth A.
core  

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