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Describe the following in about 100 words each, with brief sketches, Wherever necessary : 10x5=50

(1a) Weathering Index
(b) Vertical exaggeration in aerial photographs
(c) Harmonic folds
(d) Types of tectonites
(e) River terraces
(f) Active continental margin. -
(g) Retrograde evolution
(h) Krol formation
(i) Fossil record of vertebrates in Upper Siwalik
(j) Ecology of Radiolaria

PART II
SECTION A

2. (a) Give a detailed account of morphometric analysis of drainage basins and explain its significance
(b) What do you understand by Digital Image Processing (DIP) ? Describe its application in mineral exploration.

UPSC Geologist Previous year paper