European Network on Lateritic Weathering and Global Environment
- EUROLAT is an information network for surface processes involving chemical weathering. Lateritic weathering and tropical environments involve all geophysical and geochemical processes occurring at the interfaces atmosphere - biosphere - hydrosphere - lith
- http://mindepos.bg.tu-berlin.de/eurolat/

Soil Mineralogy
- Focuses on the solid inorganic phases controlling the physico-chemical processes in soils and sediments. Definition of activities, meetings and a discussion list.
- http://www.soils.org/divs/s9/index.html

Clay Minerals Society
- Member information, tables of contents for the journal "Clays and Clay Minerals," and links.
- http://cms.lanl.gov/