Zobrazeno 1 - 8
of 8
pro vyhledávání: '"C. Roger Bristow"'
Publikováno v:
Proceedings of the Geologists' Association. 113:37-45
The mapped boundary between the Spetisbury Chalk Member of the Culver Chalk Formation and the overlying Portsdown Chalk Formation of the White Chalk Subgroup is taken in central Dorset at a pronounced negative feature break. In the absence of any sec
Autor:
C. Roger Bristow
Publikováno v:
Newsletters on Stratigraphy. 5:190-200
Autor:
Tomas Feininger, C. Roger Bristow
Publikováno v:
Geologische Rundschau. 69:849-874
Following a general review of the Cretaceous and Paleogene geology of Ecuador, we propose a geologic history from early Cretaceous through Oligocene time with emphasis on the coastal part of the country that is based on the interpretive interaction o
Autor:
C. Roger Bristow
Publikováno v:
Newsletters on Stratigraphy. 4:169-173
Autor:
C. Roger Bristow
Publikováno v:
Newsletters on Stratigraphy. 4:119-134
Autor:
C. Roger Bristow
Publikováno v:
Newsletters on Stratigraphy. 5:99-103
Autor:
C. Roger Bristow
Publikováno v:
Journal of Natural History. 13:377-384
Summary A new subspecies of Opsiphanes quiteria from western Ecuador is described. This new subspecies, angostura, has been referred by previous authors on the Ecuadorian Brassolinae to O.q. quirinus (Godman and Salvin), a Central American and Mexica
Akademický článek
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