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Alfred Wegeners theorie van continentendrift en haar rivalen

open access: yesAlgemeen Nederlands Tijdschrift voor Wijsbegeerte, 2021
Abstract Alfred Wegener’s Theory of Continental Drift and its Rivals. Rational Disagreement and Rational Consensus in the Earth Sciences Alfred Wegener launched the idea of continental drift (lateral motion of continents on the earth) early in the ...
openaire   +2 more sources

Représentants des genres Phillipsastrea d’Orbigny, A. 1849, Billingsastraea Grabau, A.W., 1917 et Iowaphyllum Stumm E.C., 1949 du Frasnien du massif de la Vesdre et la bordure orientale du bassin de Dinant [PDF]

open access: yes, 1973
Thirteen species and subspecies of the genera Phillipsastrea D'ORBIGNY, A., 1849, Billingsastraea GRABAU, A. W., 1917 and Iowaphyllum STUMM, E. C , 1949, collected mainly from the Frasnian of the eastern part of Belgium, are described, figured and placed
Coen-Aubert, M
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Fixatives, Decalcifiers and Ultrastructure of the organic remnants from mural Nacreous Layers of Fossil Cephalopod Shells [PDF]

open access: yes, 1983
The ultrastructure of the organic remnants has been compared in the TEM, after decalcification of the mural nacre of ammonites and fossil nautiloids by EDTA, which removes a soluble fraction, and after fixation and decalcification by formaldehyde-cetyl ...
Goffinet, G.   +2 more
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Acritarches du Famennien inférieur à Villers-sur-Lesse (Belgique) [PDF]

open access: yes, 1980
Acritarchs, including Ephelopalla gorkae n. sp., Maranhites ? stockmansii n. sp. and Puteoscortum williereae n. sp., are described from the Evanescirostrum alblinii Zone and the Basilicorhynchus basilicus gerardimontis Zone in the upper part of the Lower
Martin, F.
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Biostratigraphic and magnetostratigraphic synthesis of the Celebes and Sulu Seas, Leg 124 [PDF]

open access: yes, 1991
During ODP Leg 124, late middle Eocene to Quaternary sediment sequences were recovered from 13 holes drilled at five sites in the Celebes and Sulu basins. Paleomagnetic measurements and biostratigraphic studies using calcareous nannofossils, planktonic
Hsu, V.   +7 more
core   +1 more source

Eumetabolotoechia, nouveau genre Rhynchonellide (Brachiopode) du Givetien d’Amerique du Nord [PDF]

open access: yes, 1975
A new genus, Eumetabotoechia, is proposed. It includes three speciesand ranges in age from the end of early to the end of middle Givetian.The type species, Rhynconella (?) Laura BILLINGS, E., 1860, and LeiorhynchusHuronensis NICHOLSON, H.A., 1874 are ...
Sartenaer, P.
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The lower Carboniferous Brachiopod genus Levitusia Muir-Wood, H.M. and Cooper, G.A., 1960 from Western Europe and the U.S.S.R. [PDF]

open access: yes, 1979
The genus Levitusia MUIR-WOOD, H.M. and COOPER, G.A., 1960 isrevised and details of the shell microstructure are presented enablingthe shell material of Productacea and Chonetacea to be distinguished.The western European species L. burnerosa (SOWERBY, J.,
Brunton, C.H.C.
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La zone à Svantovites Lethiersi n. sp., zone nouvelle d’Ostracodes de la fin du Frasnien et du début du Famennien des bassins de Namur et de Dinant [PDF]

open access: yes, 1979
The species Svantovites lethiersi n. sp. is described in detail. This speciesgives its name to a new zone of the upper part of the Frasnian andlowermost Famennian — Eoparaphorhynchus triaequalis triaequalis Zone— of the Namur and Dinant Basins.
Casier, J.-G.
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Toekomstbeeld broeikasgasbalans van het Nederlandse landschap [PDF]

open access: yes, 2010
De mondiale emissies van CO2 zijn de afgelopen jaren substantieel gestegen. Een afbuiging van deze trend lijkt noodzakelijk, wil de concentratie in de atmosfeer niet te hoog oplopen.
Dijk, J., van   +5 more
core   +1 more source

Regular Echinoids from the Turonian and the Coniacian (Upper Cretaceous) of the Mons bassin (Belgium) [PDF]

open access: yes, 1982
Three Turonian and two Coniacian species of regular echinoids are described, belonging to three different orders. Two of these species cannot be specifically identified, owing to their state of preservation.
Geys, J.F.
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