Paleogene
Videos
The Paleogene Period is a geologic period and system that spans 43 million years from the end of the Cretaceous Period 66 Ma to the beginning of the Neogene Period 23.04 Ma. It is the first period of
A Paleogene-aged basaltic lava flow on the Isle of Staffa, Scotland (person standing on cliff top for scale). The bottom section of this cliff is volcaniclastic rock. The middle and top sections are two parts of a single basaltic lava flow; each part of the lava flow cooled differently, forming rock with different characteristics. The middle layer shows spectacular columnar jointing resulting from relatively slow cooling; the top layer has very irregular closely-spaced joints caused by more rapid cooling.
Paleogene flood basalts on the Ethiopian Plateau with the Afar Depression in the background.
Eocene
Videos
The Eocene is a geological epoch that began about 56 million years ago. It is the second epoch of the Paleogene Period in the modern Cenozoic Era. The end point of the Eocene is the Eocene-Oligocene t
Paleogene
…of the Neogene Period 23.04 Ma. It is the first period of the Cenozoic Era, the tenth period of the Phanerozoic and is divided into the Paleocene, Eocene, and Oligocene epochs. The earlier term Tertiary Period was used to define the time now covered by the Paleogene Period and subsequent Neogene Period…
Subdivisions of the Eocene
Eocene vegetation of the Clarno Nut Beds in John Day Fossil Beds National Monument was humid subtropical forest vegetation of high diversity dominated by angiosperms.
Nuphar seeds, Nymphaeaceae, Ypresian
Mastixia tree seed, Nyssaceae, London Clay