Lithology 6 : The physical character of a rock, generally as determined at the microscopic level, or with the aid of a low-power magnifier; the microscopic study and description of rocks. (AGI)
U.S. Department of the Interior, U.S. Geological Survey USGS, Landslide Hazards Program, Glossary, Washington, D.C. USA 2014. http://landslides.usgs.gov/learn/glossary.php, (ND/ Lndsld - Amer) {919}
Lynn M. Highland of USGS and Peter Bobrowsky of Geological Survey of Canada, U.S. Department of the Interior, U.S. Geological Survey USGS,Circular 1325, The Landslide Handbook (a Guide to Understanding Landslides), Appendix A: Basic Information about Landslides Landslide, Part 1: Glossary of Landslide Terms, Washington, DC, USA 2013. http://pubs.usgs.gov/circ/1325/pdf/Sections/Append ixA.pdf, (ND/ Lndsld - Amer) {924}
