Results 121 to 130 of about 6,336 (226)

HOLORHYNCHUS (PENTAMERIDA, BRACHIOPODA) IN THE UPPER ORDOVICIAN OF ESTONIA [PDF]

open access: yesProceedings of the Estonian Academy of Sciences. Geology, 1993
openaire   +1 more source

Volcanism and basalt weathering drove Ordovician climatic cooling. [PDF]

open access: yesNat Commun
Zhao H   +5 more
europepmc   +1 more source

On the Upper Ordovician unconformity in the Pyrenees: New evidence from the La Cerdanya area

open access: yes
In recent years, contradictory reports about whether or not an unconformity exists at the base of the Upper Ordovician succession of the Pyrenees have been made.
Casas Tuset, Josep Maria, Fernández, O.
core  

Upper Ordovician exchinoderms from Buçaco, Portugal

open access: yes, 2015
Peer ...
Montóia Jacinto, Ana Filipa   +2 more
openaire   +1 more source

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