Geologic relative dating
{"Image DocumentName": "GEOLOGIC TIME SCALE a series of time intervals that divides Earth\u2019s history. Each layer of rock represents specific interval of time.", "Image ImageDescription": "Index fossils help determine specific period. Time periods divided by specific events like mass extinctions.", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}