Results 111 to 120 of about 4,839,080 (222)

Echinoderms from the Lower Devonian (Emsian) of Bolivia (Malvinokaffric Realm)

, 2013
Crinoid faunas from the Lower Devonian of South America are poorly known. Two new taxa are described from the Emsian Icla Formation at Cerro Kochis in the Cochabamba Department: the rhodocrinitid, Lutocrinus boliviaensis n. gen. n. sp.
Thompson, Jeffrey R., Ausich, William I., Smith, Legrand   +2 more
core   +1 more source

Geological characteristics and main controlling factors of the helium-rich gas reservoirs in Sozak Gas Field, Kazakhstan

Journal of Natural Gas Geoscience
Based on core data, physical properties, well logging, gas testing, composition, and helium distribution from 13 newly drilled wells, in combination with regional tectonic evolution, depositional background, and typical gas reservoir profiles, helium ...
Xiaodan Gu, Chengzao Jia, Jianfa Chen, Lin Jiang   +3 more
doaj   +1 more source

Stratigraphy and paleontology of the lower Devonian sequence, southwest Ellesmere Island, Canadian Arctic Archipelago

, 1984
The Lower Devonian carbonate-clastic sequence of southwest Ellesmere Island accumulated in the Franklinian Basin at approximately 15(DEGREES)N latitude.
Smith, Gary Parker.
core  

Lower Devonian Tortilicaulis is an early tracheophyte and not a bryophyte

Fossil Imprint
Tortilicaulis D.Edwards is a genus of long-standing unknown affinity in which there are two species: the holotype T. transwalliensis D.Edwards, known only from coalified compressions and T. offaeus D.Edwards, Fanning et J.B.Richardson, known from an assemblage of minute, exceptionally well preserved charcoalified fossils from a Lochkovian deposit in ...
Morris, Jennifer L., Edwards, Dianne, Axe, Lindsey, Crooks, Thomas, Murdock, Duncan J E, Donoghue, Philip C J   +5 more
openaire   +2 more sources

Drop By Drop: the life cycle of the Lower Colorado River

, 1999
24 pgs.Where does all the water in the Texas Colorado River come from and where does it go? And will there always be enough? These are questions on most people's minds when times get dry.
Lower Colorado River Authority
core  

UPPER DEVONIAN ACRITARCHS AND MIOSPORES FROM THE GEIRUD FORMATION IN CENTRAL ALBORZ RANGE, NORTHERN IRAN [PDF]

Journal of Sciences, Islamic Republic of Iran, 1994
The Geirud Formation consists mainly of clastic sediments which are interbedded with limestone stringers. This rock unit is well-exposed along the Central Alborz Range in northern Iran.
doaj  

New Plants from the Lower Devonian Pingyipu Group, Jiangyou County, Sichuan Province, China. [PDF]

PLoS One, 2016
Edwards D, Geng BY, Li CS.
europepmc   +1 more source

New Record of the <i>Hueberia</i> from the Posongchong Formation, Pragian Stage, Lower Devonian Series in the Bainiuchang Area, Southeastern Yunnan, China. [PDF]

Life (Basel)
Hu Y, Zhang S, Chen L, Chen X, Xiao S, Yin H, Zuo R, Wang T, Yang X.   +8 more
europepmc   +1 more source

The smallest <i>Zosterophyllum</i> plant from the Lower Devonian of South China and the divergent life-history strategies in zosterophyllopsids. [PDF]

Proc Biol Sci
Huang P, Wang JS, Wang YL, Liu L, Zhao JY, Xue JZ.   +5 more
europepmc   +1 more source

Devonian-Carboniferous boundary beds in the Vorkuta transverse uplift (Bolshaya Usa River)

, 2018
The paper contains multidisciplinary data on the lithology and palaeontology of the Devonian–Carboniferous boundary beds in the shallow-water facies in the Bolshaya Usa River section (Vorkuta Uplift). A recent discussion on the position and marker of the
Y.A. Vevel, A.V. Erofeevskiy, A.V. Zhuravlev, A.N. Plotitsyn   +3 more
core