Roadien: verschil tussen versies

13 bytes verwijderd ,  8 jaar geleden
k
(update (Gradstein e.a. 2012))
* {{en}}{{aut|Gradstein, F.M.; Ogg, J.G.; Schmitz, M.D. & Ogg, G.M.}}; '''2012''': ''A Geologic Time Scale 2012'', Elsevier, ISBN 0444594256.
'''Externe links'''
* {{en}}[http://msee140lnx10www.ecnstratigraphy.purdue.eduorg/resourcesbak/geowhen/stages/Roadian.html ''Roadian'', GeoWhen Database]
* {{en}}Norges Network of offshore records of geology and stratigraphy: [http://norges.uio.no/timescale/Fig15.2_Perm-colA.pdf ''Stratigraphic chart for the Permian'']
}}
26.771

bewerkingen