Geologists called stratigraphers are involved with determining the earth's age & history by looking at layers of these

Below you can find the Geologists called stratigraphers are involved with determining the earth's age & history by looking at layers of these Jeopardy Words Answer. The answer to Geologists called stratigraphers are involved with determining the earth's age & history by looking at layers of these has 5 letters. This clue belongs to the General science category and is part of Jeopardy Word Level 854. If you scroll near the bottom you will find other clues and answers part of level 854