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Air Survey of Sand Deposits by Spectral Luminance (Paperback, 1964 ed.)
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Air Survey of Sand Deposits by Spectral Luminance (Paperback, 1964 ed.)
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This book gives an account of a method of determining the type
composition of sandy deposits from the air by the nature of their
reflection of radiant energy. The measured spectral luminance of a
rock outcrop rela ti ve to the luminance of a standard is the basic
property considered in this method. The spectral luminance factors
p\ are measured by means of special instruments - a universal
photometer, cinespectrograph, spectro visors, and other
spectrometers. The measured values of P" of the investigated rocks
are interpreted geologically with the aid of some methods of
mathematical statistics so that a means of lithological mapping of
sandy deposits from the air can be found. The importance of
developing a method of determining the type composition of rocks,
primarily sandy de posits, from the air stems from the extensive
occurrence of deserts on the earth's surface. Sandy deserts occupy
vast areas in the southern latitudes of the USSR and occur in
western and central China, Pakistan, Iran, India, and other states.
In these deserts there are numerous deposits of petroleum and gas,
and a search for water is continuously in progress. Successful
prospecting for the above minerals depends on a determination of
the material composition of the sandy deposits in these deserts and
the solution of several questions of recent tec tonics,
paleogeography, and quaternary geology, the answers to which might
also be given by a study of the dis tribution of lithological types
of sands.
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