Doom Earth.Geology geological meaning according to the passage, it is the name of the time range in which the term has come to break down as the era Era era era Period and modern Eon Epoch respectively.Geological time scale Used by the geologist or other branch scientists to explain various points in time, and describes the relationship of the events that occurred in the past, of the history of the world. Examples of those who are involved in determining the geological time scale. International Commission on Stratigraphy is the name of the related vocabulary and time (geology stratigraphy is the study of the Earth's layers, such as in the story, the Earth's crust and the other world/the world down to the skin), the US Geological Survey. Customize the colors of the standard geological time period.How to find out the time in the past by radiometric dating. It is found that there are approximately 4600 million years of age, world.
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