Absolute dating of rocks relies on the law of superposition
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Geologists can employ two basic methods to dating rocks and fossils. Relative and absolute geologic dating practices have their strengths and weaknesses, which are inherent to their process. Although this article highlights a brief overview of two basic types of geologic dating, it is not meant to represent all methods of dating, and it is also not meant to be a comprehensive review of relative and absolute methods. Rather, this is a simplified explanation paired with their apparent weaknesses. Relative dating simply orders stratigraphic units, or layers of rock, from oldest to youngest.
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We think you have liked this presentation. If you wish to download it, please recommend it to your friends in any social system. Share buttons are a little bit lower. Thank you! Published by Calvin Potter Modified over 3 years ago. Describe the 6 laws of relative dating.
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What is the law of superposition and how can it be used to relatively date rocks?
A few days ago, I wrote a post about the basins of the Moon -- a result of a trip down a rabbit hole of book research. In the science of geology, there are two main ways we use to describe how old a thing is or how long ago an event took place. There are absolute ages and there are relative ages. People love absolute ages. An absolute age is a number.
The first thing you should know about rocks is that the people who study them are known as geologists. And, just like doctors, geologists have specialties. Click here to review everything covered in this episode of Standard Deviants TV. True or False 1. True or false: Geologists not only study the earth, but they can specialize and study things like the oceans and even other planets.