PowerPoint presentation for lecture 4: 2013_IntroGeol_Lect4_sedy
A Geological Society information page on sedimentary rocks can be found here.
A BBC Bitesize summary of sedimentary rocks can be found here.
A list of US Geological Survey resources on sedimentary geology can be found here.
For information on the soils of the UK, go to the NERC Soil Portal.