Abstract
Up to now a number of papers for geological interpretation on aerial photographs at various scales have been published.
This paper refers to the relation between photo scale and interpretation results based on two factors such as drainage and lineament.
The drainage density and frequency, and lineament direction and frequency are determined and compared to the geology or geological structure gained from the field survey.
Consequently, the variation of photo scale is not necessarily so disturbed the interpretation of drainage density and frequency, but we found some differences in the directions of lineament.
The lineaments interpreted from small scale photographs were well agreed to the geological structure of the area.
