FIELD TRIPS Post Conference Field Trips will visit:Field trip 1. Kaolin and halloysite deposits (September 15, 2022): Field trip 2. Copper-bearing black shale (Kupferschiefer) (September 15, 2022): GEOLOGICAL EXCURSION GUIDE Geological Excursion Guide - Field trip 1 - Kaolin and halloysite deposits. Geological Excursion Guide - Field trip 2 - Copper-bearing black shale (Kupferschiefer)