GATE (Graduate Aptitude Test in Engineering) Geology & Geophysics: Questions 155 - 157 of 158

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Question 155

Major and Trace Elements as Monitors of Partial Melting and Magma Evolutionary Processes

Appeared in Year: 2014

Question

MCQ▾

Four aqueous-vapor fluid inclusions P, Q, R and S are petro graphically identical at room temperature, and contain approximately 90 % liquid and 10 % vapor. The freezing temperatures of the fluid inclusions are: . With respect to P, Q, R and S, the correct statement is (Carry two marks each)

Choices

Choice (4)Response

a.

Both salinity and density of “R” are highest

b.

Both salinity and density of “S” are lowest

c.

Salinity of “P” is highest but density is lowest

d.

Both salinity and density of “Q” are lowest

Question 156

Determinative Mineralogy of Common Rock Forming Minerals

Appeared in Year: 2013

Question

MCQ▾

Choose the diamagnetic mineral from the following.

Choices

Choice (4)Response

a.

Calcite

b.

Ilmenite

c.

Enstatite

d.

Pyrite

Question 157

Multispectral Remote Sensing in Visible

Appeared in Year: 2014

Question

MCQ▾

Drainage patterns observed in four areas are shown in black-and-white panchromatic images P, Q, R and S. Field work in these areas has indicated presence of the following lithology/geological unit. (Carry two marks each)

1. Fractured quartzite

2. Shale

3. Limestone

4. Alluvial plain

The correct match of the drainage patterns with the lithology/geological unit is

Drainage Patterns Observed in Four Areas

Choices

Choice (4)Response

a.

P-4; Q-1; R-2; S-3

b.

P-4; Q-1; R-3; S-2

c.

P-2; Q-1; R-3; S-4

d.

P-1; Q-2; R-4; S-3

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