Below are materials and links for my course ‘A Geological History of Yorkshire’
PDF handout of slideshow:
Geological timescale (International Commission on Stratigraphy): https://stratigraphy.org/chart
The rock cycle: http://geologycafe.com/erosion/rock_cycle_illustrated.html
John Phillips’ 1855 geological map of Yorkshire: http://www.geology.19thcenturyscience.org/books/1855-Phillips-Yorkshire/figures/1855-Phillips-Yorkshire-p0030.jpg
For a broader overview of the geology of Northern England, this page from the British Geological Survey is very helpful.
The summary of Yorkshire’s geological history comes from the British Geological Survey’s Earthwise website and can be viewed online here.