Not updating pages

We have moved on .So not posting new material. Material on site will be kept for you.Hope we helped!!!

Friday, February 10, 2012

Geology IOCL Practice Solved Test


Geology IOCL Practice Solved Test
Objective Geology Questions
Q1: The charnockites and Khondalites of India characteristically belong to
(a) Green schist facies
(b) Amphibolites facies
(c) Granulite facies.
(d) Epidote - amphibolites facies
ANSWER. (c)

Q. 2: Granulite facies is distinguished from amphibolites facies by:
(a) The incoming of pyroxenes and lack of muscovite.
(b) The out coming of pyroxenes. 
(c) The incoming of pyroxenes and excess of muscovite
(d) None of these.
ANSWER. (a)

Q. 3: In ender bite the dominant feldspar is:
(a) Plagioclase
(b) Microcline
(c) Orthoclase
(d) Bytownite.
ANSWER. (a)
  
Q. 4: If blue schist belt is present within continents it suggests:
(a) Great crystal activity
(b) Interface between the margins of continents and oceans.
(c) A fossils continental margin.
(d) All the above.
ANSWER :( d)

Q. 5: The substitution of one ion for another in the atomic structure of a mineral, without a
Change in structure is known as.
(a) Deuteric alteration
(b) Diadochy
(c) Diagenesis
(d) Para genesis.
ANSWER :( b)

Q.6: Which minerals are formed only under metamorphic conditions:
(a) Staurolite and Kyanite
(b) Staurolite, Kyanite, Sillimanite
(c) Staurolite, Kyanite, Sillimanite and asbestos.
(d) Staurolite, kyanite, Sillimanite, asbestos and talc.
ANSWER :( c)

Q.7:  Granitisation is the metamorphic process whereby:
(a) A pre-existing rock is converted to without melting granite.
(b) Granite rock is converted to gneiss
(c) Granite rock is melted.
(d) A pre-existing rock is converted to granite by melting.
ANSWER:(a)

Q.8. When a dolerite dyke is intruded into a country rock, the columnar joining occurs:
(a) ln the centre of the dolerite dyke
(b) At the sides of the dolerite dyke
(c) At the contact between dyke and country rock.
(d) At a greater depth in the dyke
Answer. (a)

Q.9: Grand-scale metamorphism in mid-oceanic ridges is called:
(a) Ridges metamorphism
(b) Ocean metamorphism
(c) Ocean-floor metamorphism
(d) Mid-oceanic metamorphism
Answer. (c)

Q.10: Foliated fabrics are exhibited by:
(a) Slates
(b) Gneisses
(c) Migmatites
(d) All the above
Answer. (d)

Q.11: Metamorphic rock derived from gravel rocks are known as:
(a) Psephitic rocks
(b) Psammitic rocks
(c) Pelitic rocks
(d) Relict rocks
Answer. (a)

Q.12: Hornfelsic fabric is typically developed in:
(a) Contact metamorphosed pelitic sediments
(b) Contact metamorphosed psammitic sediments
(c) Dynamic metamorphosed rocks
(d) Dynamothermal metamorphosed rocks.
Answer. (a)

Q.13: Mylonite rock shows the:
(a) Cataclastic fabric
(b) Granulitic fabric
(c) Hornfelsic fabric
(d) Foliated fabric.
Answer. (a)

Q.14: In the facies of regional metamorphism the load pressure is in the range of:
(a) 1000 to 3000 bars
(b) 3000 to 5000 bars
(c) 5000 to 10000 bars
(d) 3000 to 12000 bars
Answer. (d)

Q.15: In Eskola’s ACF diagram‘F’ represents:
(a) Feo
(b) Feo + Mgo
(c) Feo + Mgo + Mno
(d) Feo + Mgo + Mno +
Answer. (c)

Q.16: A rock composed of ore mineral and silicates formed by contact metamorphism of
carbonate rocks, is called:
(a) Gondite
(b) Tactite
(c) Skarn
(d) Chormockite.
Answer. (b)

Q.17: Granulite is a:
(a) Low grade metamorphic rock
(b) Medium grade metamorphic rock
(c) High grade metamorphic rock
(d) None of these.
Answer. (c)

Q.18: The correct sequence of metamorphic zones is:
(a) Chlorite, Biotite, Gamet, Staurolite, Kyanite and Sillimanite.
(b) Biolite, Chlorite, staurolite, Garnet, Sillimanite and Staurolite.
(c) Chlorite, Biolite Staurolite, Garnet Sillimanite and Kyanite.
(d) Chlorite, Biolite, Staurolite, Garnet Sillimanite and Kyanite.
Answer. (a)

   Q.19: The chitradurg schist belt is example of the:
(a) Epidote amphibolites facies.
(b) Green schist facies.
(c) Amphibolites facies
(d) Granulite facies.
ANSWER.(b)

Q. 20: The amphibolites fogies include the:
(a) Chlorite and garnet zones
(b) Staurolite zone
(c) Staurolite and Kyanite zones
(d) Staurolite, Kyanite and Sillimanite zones. `
ANSWER. (d)

Q. 21: Quartz microcline lgpersthene is the assemblage of:
(a) Khondalites
(b) Charnockites  
(c) Goodie
(d) Kudu rite.
ANSWER. (b)

Q. 22: Ender bite is a type of:
(a) Khondalites
(b) Goodie
(c) Charnockites
(d) Obdurate.
ANSWER. (c)

Q. 23: Khondalites is:
(a) Garnet -Sillimanite schist
(b) Garnet -Sillimanite - graphite schist.
(c) Quartz - Kyanite - graphite schist
(d) Quartz - feldspar - garnet schist.
ANSWER. (b)

Q. 24: Which facies are formed at very high pressure?
(a) Blue schist facies.
(b); Eclogite facies
(c) Sandinista facies.
(d) Both a and b.
ANSWER :( d)

Q. 25: Match the following columns:
I                                               ll
1. Phlebitis                       (i) Eye - like
2. Ptymatic folding                       (ii) Network of vein lets
3. Augean                        (iii) Veined (gneisses)
4. Diktyonitic                   (iv) Disharmonic tortuous folds:
(a) 1-ii, 2-iv, 3-iii, 4-i  
(b) 1-i, 2-ii, 3-iii, 4-iv
(c) 1-iii, 2-iv, 3-i, 4-ii
(d) 1-iv, 2-iii, 3-ii, 4-i
ANSWER:(c)

No comments:

Post a Comment