Section A
Q1. Write on/Answer each of the following in short with sketches, wherever necessary:
(a) Graphite deposits of India and the industrial uses of graphite.
(b) Primary and secondary dispersion halos and their significance in mineral exploration.
(c) Briefly explain the planning of a gravity survey for mineral exploration emphasising the needful corrections.
(d) Classification of placer deposits and geographic distribution of placer deposits in India.
(e) Thermometry of ores using fluid inclusions.
(f) Supergene sulfide and oxide mineralisation/enrichment with necessary chemical reactions.
(g) Briefly explain the Barmer-Sanchore basin emphasising the source rock and reservoir rock.
(h) Explain coal microlithotypes and macerals.
(i) List any five factors that determine the stability of a tunnel/dam.
(j) Describe different types of dams. Which type of dam is most widely constructed in India ?