Rocks Age

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According to,Wheeling, J. (2005, April 28). Retrieved February 07, 2018, from (Brian Rasmussen Follow, "Rasmussen Final+Paper+Green+Roofing", 2015)the main idea about this subject is to find out if rocks age and if they do how they age overtime. The age of the rock in years can be found by measuring the rate at which a parent element decays. The age of a rock in years is called its absolute age.You can look at the fossils the rock has too find what type of rock it is. There are three major types of rocks.Metamorphic, Sedimentary, and Igneous are the three types of major rocks
In conclusion the article says that the age of rocks can depend on what type of rock it might be and in what period this rock was at.

Another idea, by Nelson, Ken. (2018). Earth Science for Kids: Rocks, Rock Cycle, and Formation. Ducksters. Retrieved from ("Earth Science") is that the three types of rocks have different time period they were made at. This means that in order to find out the age of a rock you first need to identify what type of rock it is. Metamorphic rocks are formed by great heat and pressure.Igneous rocks are formed by volcanoes.Sedimentary rocks are …show more content…
A third writer , Milligan, M. (1997, September 1). Glad You Asked: How Do Geologists Know How Old a Rock Is? Retrieved February 07, 2018, from ("Glad You Asked: How Do Geologists Know How Old a Rock Is?") states that in order to find a rocks age you need to first identify what type of rock is.Geologists generally know the age of a rock by determining the age of the group of rocks or formation that it is found in. Also the age of formations that is marked on a geologic calendar is known as the geologic time scale.You can tell the age of rocks by relative and absolute timing. Relative dating determines something from the past. Absolute dating determines the age on a specific object. The third author concludes that in order to find the age of a rock and its fossils you can use relative and absolute

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