THE USE OF THE TERMS TRACE, MARK AND STRUCTURE
Lothar H. VALLON (1), Andrew K. RINDSBERG (2) & An thony J. MARTIN (3)
1) Geomuseum Faxe (Østsjællands Museum) Østervej, 2, DK-4640 Faxe, Denmark; e-mail: kv at oesm.dk
2) Dept. of Biological & Environmental Sciences, University of West Alabama, Livingston, AL 35470, USA; e-mail: ARindsberg at uwa.edu
3) Department of Environmental Sciences, Emory University, Atlanta, GA 30322, USA; e-mail: geoam at emory.edu