Page 143 - Introduction to Mineral Exploration

126 M.K.G. WHATELEY

Aerial photography has been used for much 6.6 FURTHER READING
longer than satellite imagery and is important
to the geologist for the production of topo- Good textbooks which cover most aspects
graphical maps (photogrammetry) as well as in of remote sensing in geology are Siegal and
the making of geological maps (photogeology). Gillespie (1980) and Drury (2001). The classic
In areas of good exposure aerial photographs book about photogeology is Allum (1966),
yield much valuable geological information which despite its age is still worth read-
and even in areas of only 5% outcrop the ing. Detailed information on all aspects of
amount of information they provide is often in- remote sensing is covered by Lillesand et al.
valuable to the explorationist; some of this is (2004). Recent developments in remote sens-
discussed in section 6.4.6. ing appear monthly in the International
Journal of Remote Sensing published by Taylor
& Francis. A good introduction to digital
image processing is given by Niblak (1986), and
techniques for image processing and classifi-
cation are explained well by Schowengerdt
(1983).