Nicolaus Steno's 78-page work 'De solido,' completed less than two years after his 1666 shark dissection, pioneered the use of diagrams showing rock layers in cross-section and established the geological principles of superposition, original horizontality, and lateral continuity.
Sources
- Nicolaus Steno (1638-1686) - NASA Science (science.nasa.gov)
- https://ucmp.berkeley.edu/history/steno.html (ucmp.berkeley.edu)
- https://www.earthmagazine.org/article/illustrating-geology-great-images-transformed-field/ (earthmagazine.org)
- https://scienceinsights.org/what-is-lateral-continuity-the-geology-principle-explained/ (scienceinsights.org)
- https://www.strangescience.net/stensen.htm (strangescience.net)
- https://riviste.fupress.net/index.php/subs/article/download/1280/877/9179 (riviste.fupress.net)