BGYET-141 · December 2023 · English
IGNOU BGYET-141 December 2023 Previous Year Question Paper
ORE GEOLOGY AND INDUSTRIAL MINERALS
Structured previous year question paper for BGYET-141, December 2023 session.
Max marks: 50 · Questions: 4
Verified: 10 Aug 2026
BACHELOR OF SCIENEC (GENERAL)
(BSCG)
Term-End Examination
December, 2023
BGYET-141 : ORE GEOLOGY AND
INDUSTRIAL MINERALS
Time : 2 Hours Maximum Marks : 50
Note :
(i) All questions are compulsory.
(ii) Marks allotted for each question are
indicated against it.
(iii) Draw well-labelled diagrams wherever
necessary.
Q1.Briefly answer any five questions out of the following : 5x2=10
(a) Define Vickers hardness
(b) What are syngenetic ore deposits ?
(c) Name any two deposits formed at oceanic ridges.
(d) Name any two copper belts of India.
(e) What are stockwork type ore deposits ?
(f) List any four ore minerals of zinc.
(g) What is coal bed methane ?
(h) Define gossan.
(i) What is Self-Potential (SP) exploration method ? G) Define Exclusive Economic Zone (EEZ).
Q2.Write short notes on any four of the following : 4x5=20
(a) Magmatic segregation
(b) Evolution of hydrothermal fluids
(c) White smokers
(d) Placer deposits
(e) Magnetic method
(f) Physiographic guides
(g) Physical properties of Bauxite and Chalcopyrite
Q3.Answer any one of the following : 1x10=10
(a) What is wall rock alteration ? Discuss the types of wall rock alteration and their mineral association.
(b) Discuss in detail the mode of occurrence and distribution of refractory minerals in India. Add a note on their uses.
Q4.Answer any one of the following : 1x10=10
(a)
(i) What is reserve estimation ? Discuss the different methods of 0०6९ estimation. Gi) Discuss the Lindgren’s classification of ore deposits.
(b) G@) Write about the mineral conservation and development rules. Gi) Discuss the types and principle of mineral exploration.
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