BGYET-141 · December 2022 · English
IGNOU BGYET-141 December 2022 Previous Year Question Paper
ORE GEOLOGY AND INDUSTRIAL MINERALS
Structured previous year question paper for BGYET-141, December 2022 session.
Max marks: 50 · Questions: 4
Verified: 10 Aug 2026
BACHELOR OF SCIENCE (GENERAL)
(BSCG)
Term-End Examination
December, 2022
BGYET-141 : ORE GEOLOGY
AND INDUSTRIAL MINERALS
Time : 2 hours Maximum Marks : 50
Note: All questions are compulsory. Marks allotted for
each question are indicated against it. Draw
well-labelled diagrams wherever necessary.
Q1.Briefly answer any five questions out of the following : 5x2=10
(a) List any two ores of zinc with their chemical composition.
(b) Define Clarke of Concentration.
(c) What are vitrinites ?
(d) List two Indian examples of Sedimentary Exhalative (SEDEX) type deposits.
(e) What are hypothermal ore deposits ?
(f) List any four ore minerals of manganese.
(g) What are stratiform ore deposits ?
(h) List any two important deposits formed as a result of continental-oceanic plate collision.
(i) Define gossan. G) How are resistivity survey methods conducted ?
Q2.Write short notes on any four of the following : 4x5=20
(a) Contact Metasomatism
(b) Cavity Filling Deposits
(c) Black Smokers
(d) Geobotanical Exploration
(e) Copper Belts of India
(f) Mineral Conservation and Development Rules — 2017
(g) Brownfield and Greenfield Explorations
(h) Aeolian and Beach Placers
Q3.Answer any one of the following : 1x10=10
(a) What are the four lithotypes of coal ? Discuss briefly the origin of coal.
(b) Discuss the mode of occurrence of iron-ore deposits in India.
Q4.Answer any one of the following : 1x10=10
(a)
(i) Elaborate on Lindgren’s genetic classification of ore forming processes.
(ii) Discuss the distribution of gold deposits in India.
(b) Discuss the characteristic features of a typical Volcanogenic Massive Sulphide (VMS).
(ii) Discuss the mode of occurrence and uses of barytes.