geological column
71Paleozoic — era 542   251 million years ago Key events in the Paleozoic view • edit …
72Younger Dryas — Three temperature records, the GRIP sequence (red) showing the Younger Dryas event at around 11.0 ka BP. The vertical axis shows δ18O, which is a temperature proxy showing the water molecule isotopic composition of 18O in an ice core …
73Mesoproterozoic — era 1600   1000 million years ago Key events in the Mesoproterozoic view • edit …
74History of paleontology — The history of paleontology traces the effort to understand the history of life on Earth by studying the fossil record left behind by living organisms. Paleontology is a field of biology, but its development has been closely tied to geology and… …
75Cascade Volcanoes — Geobox|Range name=Cascade Volcanoes other name= image size=280 image caption=Mount Hood reflected in Trillium Lake country=United States country1=Canada region type = Provinces/States region= Oregon region1= Washington region2= California region3 …
76Changhsingian — System Series Stage Age (Ma) Triassic Lower Induan younger Permian Lopingian …
77Deep sea communities — giant tubeworm Deep sea communities currently remain largely unexplored, due the technological and logististical challenges and expense involved in visiting these remote biomes. Because of the unique challenges (particularly the high barometric… …
782010 eruptions of Mount Merapi — Mount Merapi Gunung Merapi Merapi, July 2005 Elevation …
79History of the Earth — For the history of modern humans, see History of the world. Geological time put in a diagram called a geological clock, showing the relative lengths of the eons of the Earth s history The history of the Earth describes the most important events… …
80Mount Garibaldi — as seen from Squamish Elevation 2,678 m (8,786 ft) …
