Oligocene - Wikipedia The best terrestrial record of Oligocene climate comes from North America, where temperatures dropped by 7 to 11 °C (13 to 20 °F) in the earliest Oligocene This change is seen from Alaska to the Gulf Coast
Oligocene Epoch | Climate, Flora Fauna | Britannica The term Oligocene is derived from Greek and means the “epoch of few recent forms,” referring to the sparseness of the number of modern animals that originated during that time
The Oligocene Epoch - University of California Museum of . . . The Oligocene Epoch, right smack in the middle of the Tertiary Period (and end of the Paleogene), lasted from about 33 9 to 23 million years ago * Although it lasted a "short" 11 million years, a number of major changes occurred during this time
Oligocene Epoch - Geology Page The Oligocene is the third and final epoch of the Paleogene period The Oligocene is often considered an important time of transition, a link between the archaic world of the tropical Eocene and the more modern ecosystems of the Miocene
Oligocene | Perissodactyl - American Museum of Natural History The Oligocene is an important transition from the Eocene, which in many respects was very like the world inhabited by the last of the dinosaurs, to the more recognizably modern world of the Miocene The beginning of the Oligocene is marked by a sudden decrease in earth's temperature
Oligocene - New World Encyclopedia The Oligocene epoch is a division of the geologic time scale and the third and final epoch of the Paleogene period It extends from about 34 million to 23 million years before the present The Oligocene follows the Eocene epoch and is followed by the Miocene epoch
Oligocene Epoch (34 – 23 million years ago) – Global cooling . . . During the Oligocene, the planet underwent substantial changes that influenced both terrestrial and marine environments The epoch is marked by a gradual cooling trend that had far-reaching effects on global climates and biomes
Overview of the Oligocene Epoch - ThoughtCo The Oligocene epoch marked the continuing transition between the wildlife of the Eocene and Miocene epochs Here's a look at prehistoric life during the Oligocene epoch
Oligocene - an overview | ScienceDirect Topics The Oligocene is defined as a geological epoch marked by a regression in which the shoreline migrated northwards, characterized by widespread outcrops of Oligocene rocks in regions such as the Sirt Basin and Jabal al Akhdar
Oligocene - Simple English Wikipedia, the free encyclopedia The Oligocene is the last geological epoch in the Palaeogene It lasted for about 11 million years, from 34 million years ago to 23 million years ago It was preceded by the Eocene and followed by the Miocene During the Oligocene, the world continued to get cooler from its peak in the mid-Eocene