practical work on pigments from Conques last year

presentation :

read : https://gc.copernicus.org/articles/3/427/2020/gc-3-427-2020.html

http://www.luniversoeluomo.org/geolog/lazio/2geo_laz.htm

http://portal.onegeology.org/OnegeologyGlobal/

https://www.wga.hu/index1.html

Geologic Faults comic: https://xkcd.com/1874/