The Jurassic period, named after the Jura Mountains in the Alps, is a geologic period that spans from about 201 to 145 million years ago, during the Mesozoic Era. This period is often referred to as the "Golden Age of Dinosaurs."
| Location | Age | Features | |----------|------|-----------| | Patagonia, Argentina | Middle Jurassic | Dinosaur tracks, plant tuffs | | Inner Mongolia, China | Late Jurassic | Feather-preserving tuffs | | Morrison Formation (USA) | Late Jurassic | Volcanic ash interbeds with dinosaur bones | | UK (Yorkshire) | Middle Jurassic | Plant and insect tuffs | familia jurassica tufos