The application of focus variation microscopy for lithic use-wear quantification

As the field of use-wear analysis has developed, the number of different methodologies that address tool function has increased. Multiple new methods have been published in recent years, both in qualitative and quantitative approaches. This paper focuses on a recent development in quantitative microscopy, specifically focus variation microscopy. This microscope characterizes surface features and has the ability to generate measurements of surface roughness, particularly useful for lithic use-wear studies. This paper presents the results of some preliminary measurements taken on experimental tools, highlighting the strengths and weaknesses of this new method and how it can contribute to the growing field of use-wear quantification. Finally, it presents some of the new challenges facing archaeologists interested in the quantification of use-wear and future directions of research.