Science news articles about 'geological time period'

... ago, water on Mars had either frozen or evaporated. (The planet is now in its third geological time period, the Amazonian epoch, which started about 1 ...

... " since dinosaurs from three different geologic time periods have been found in three different geographic areas of the state. Paluxysaurus jonesi is believed to have lived ...

... towards a global map of Holocene [a geological time period that began about 11,700 years ago and continues to the present] glacier fluctuations ...

... to dramatise the global economic crisis or latest political scandal. An epoch describes a geological time period. The end of the last glaciation, some 11 ...

... in the cores, the research team can draw conclusions on the mechanics of the accretionary wedge. They also can infer in which geological time periods the fault was most active. "Our most significant conclusion ...

... 's caldera erupted during the "Permian" geologic time period, say the discovery scientists. It is more than 13 kilometers in diameter. "What's new is to see the magmatic ...

... that we actually might be ushering in a new geological time period that could alter the planet for millions of years ... join Jurassic, Cambrian and other more familiar units on the Geological Time Scale. Zalasiewicz, Crutzen and colleagues ...

... of C3 to C4 plant remains at different soil horizons, which correspond to different geological time periods. (C3 and C4 plants differ ...

... million years ago, early in the geological time period called the Late Cretaceous. Pterosaurs, many of which survived on fish, lived at a time when a massive ...

... increasing body size in a lineage over geological time periods. Put simply, the rule says that members of a lineage get bigger over time. The rule ...

... that microbes were actively feeding on sulfate in the ocean and influencing seawater chemistry during that geological time period. The research, reported by a team of Canadian ...