This is a great video from the Liverpool GeoHub that explains radiometric dating using isochrons very clearly.
The Minerals Education Coalition is a coalition of organisations that have compiled a huge range of resources about minerals and mining. There are loads of resources for K12 teaching and a great search engine to find about minerals, where they come from and what they are used for.
The USGS has a huge array of resources including: Data and Tools, Maps, Software, Publications and Multimedia. They have sections that cover Earthquakes, eater, remote Sensing, Volcanoes and Landslides
Agile Geoscience have created a number of really good cheat sheets, which are discussed in their blog are. Check out the Geophysics Cheatsheet.
A great series of books from Agile Geoscience on 52 things you should know about geophysics, rock physics, paleontology and geology.
The London Geological Society has a lot of resources for learning and teaching, including several thematic microsites.
This is a great site to help you track down those fossils in the UK. Find out where to go and how to identify your finds.
The British Geological Survey has a wealth of apps for you to explore the geology of the UK. Take a look at their iGeology App, also available in 3D.
Petrowiki: There are many Wikis out there and Petrowiki is one of the best. The wiki started with a upload of the complete Petroleum Engineers Handbook and is being augmented by a great many articles from experienced industry specialists. Please use it, and even more importantly, contribute. Collaborative resources such as wikis are the future […]
SEPM Strata: We do not have time to keep up with the latest innovations in everything, so we need to find groups of dedicated individuals who are keen to keep abreast of the changes, and more importantly, tell us! SEPM Strata is a site that does exactly that for sedimentology and sequence stratigraphy. The are […]