Relative dating laws and principles

Geologists establish the age of rocks in two ways: numerical dating and relative dating.Numerical dating determines the actual ages of rocks through the study of radioactive decay.As a member, you'll also get unlimited access to over 55,000 lessons in math, English, science, history, and more.

relative dating laws and principles-81relative dating laws and principles-65

Now imagine that you come upon a formation like this: What do you think of it? How can you make any conclusions about rock layers that make such a crazy arrangement?

From top to bottom: Rounded tan domes of the Navajo Sandstone, layered red Kayenta Formation, cliff-forming, vertically jointed, red Wingate Sandstone, slope-forming, purplish Chinle Formation, layered, lighter-red Moenkopi Formation, and white, layered Cutler Formation sandstone.

Photo from Glen Canyon National Recreation Area, Utah.

Free 5-day trial Discover how geologists study the layers in sedimentary rock to establish relative age.

Learn how inclusions and unconformities can tell us stories about the geologic past.

Leave a Reply

  1. sic code dating match 04-Feb-2018 14:07

    We won't blast you with many emails, just a few when telling you about us is important.