Results 131 to 140 of about 53,305 (210)

Biostratigraphy of the Cretaceous deposits based on ammonites in the southwest of Qayen area (Qumenjan section)

open access: green, 2021
سید ناصر رئیس السادات   +3 more
openalex   +2 more sources

Patterns of megafloral change across the Cretaceous-Tertiary boundary in the Northern Great Plains and Rocky Mountains [PDF]

open access: yes
The spatial and temporal distribution of vegetation in the terminal Cretaceous of Western Interior North America was a complex mosaic resulting from the interaction of factors including a shifting coastline, tectonic activity, a mild, possibly ...
Hickey, Leo J., Johnson, Kirk R.
core   +1 more source

Biostratigraphy of the Ruteh Formation at Harijan section (Central Alborz) northern Iran using foraminifera and conodont [PDF]

open access: diamond, 2009
Bahaoddin Hamdi   +4 more
openalex   +1 more source

A new lower Cambrian shelly fossil biostratigraphy for South Australia

open access: yes, 2016
Marissa J. Betts   +6 more
semanticscholar   +1 more source

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