How old is this rock?
This PowerPoint briefly explains radiometric dating and introduces the terms: half-life, closure temperatures, decay constant, decay law, parent …
Reading geologic time
Video showing impressions of the field meeting in Bremen in 2018 for the IGCP 652 Project Meeting: “Reading geologic time in Palaeozoic sedimentary …
Stratigraphy
A variety of lesson plans for introducing stratigraphy. Content via Mike Tuke Partnership
The length of geological time
An exercise that encourages students to look at the ways in which geologists began to understand time
Georiddle – A Stratigraphy Problem
A geological puzzle to build a geological history and cross-section
Age Relations
The order of events based on dyke and vein cross-cutting relationships in Donegal, Ireland.
A Stratigraphy Problem
An activity to reconstruct the geological history of an area based on a sea cliff exposure.
Cambrian Detective Story
An activity featuring trace fossils related to trilobites.
Isochron plots
A demonstration of how isotope ratios recorded in minerals change over time