Science ❯ Geology

Dating Methods

Uranium Series Dating Cosmogenic Nuclides Cryptotephra Geological Time Magnetostratigraphy Uranium-Lead Dating Volcanic Ash Layers Isotope Analysis

New Mexico Fossils Show Dinosaurs Thriving Right Before Asteroid Impact

High‑precision argon–paleomagnetic dating pins the Naashoibito fossils to within about 340,000 years of the Chicxulub event.

First Direct Date of Dinosaur Eggshells Pins Chinese Clutch to 86 Million Years