The Sorby Medal is the highest award of the International Association of Sedimentologists. It is awarded to scientists of eminent distinction in sedimentology. The Sorby Medal is awarded once every 4 years, at the occasion of the International Sedimentological Congress (ISC).
At the 20th International Sedimentological Congress in Quebec (2018), the Sorby Medal was awarded to Luis Pomar. The citation is published in Sedimentology.