Geography ยท Science General

Rocks and Earth Materials

1,176 Questions

Study geographical questions centered around rocks, minerals, and earth materials. The focus is on the formation and identification of igneous, sedimentary, and metamorphic rocks. These earth science topics are commonly tested in civil services and state level examinations.

Igneous rocksSedimentary rocksMetamorphic processEarth materialsGeomorphic symbols

Rocks and Earth Materials Questions

Multiple choice

What is the term used to describe the process of minerals forming from the cooling and solidification of lava?

  1. Crystallization

  2. Precipitation

  3. Metamorphism

  4. Hydrothermal alteration
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Crystallization is the process by which minerals form from a lava as it cools and solidifies.

Multiple choice

Which of the following minerals is commonly formed through sedimentary processes?

  1. Quartz

  2. Gold

  3. Calcite

  4. Feldspar
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Calcite is a common mineral formed through sedimentary processes, where it precipitates from seawater or groundwater.

Multiple choice

Which type of geochemical anomaly is characterized by elevated concentrations of elements or compounds in a localized area?

  1. Background anomaly

  2. Regional anomaly

  3. Local anomaly

  4. Pathfinder anomaly
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

A local anomaly is a geochemical anomaly that is confined to a specific area and is often associated with the presence of a mineral deposit.

Multiple choice

Which geochemical technique involves the analysis of gases released from rocks and soils to identify areas with potential mineral deposits?

  1. Soil gas analysis

  2. Rock gas analysis

  3. Stream sediment analysis

  4. Heavy mineral analysis
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Soil gas analysis involves the collection and analysis of gases released from rocks and soils to detect anomalies in the concentrations of certain gases, such as hydrocarbons and carbon dioxide, which may be associated with mineral deposits.

Multiple choice

Which of the following is not a type of meteorite?

  1. Stony Meteorite

  2. Iron Meteorite

  3. Stony-Iron Meteorite

  4. Carbonaceous Meteorite
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Carbonaceous Meteorites are not a type of meteorite. They are actually a type of asteroid.

Multiple choice

Which of the following is not a type of volcanic eruption?

  1. Hawaiian

  2. Strombolian

  3. Vulcanian

  4. Plinian
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Plinian is not a type of volcanic eruption. It is a type of volcanic explosivity index.

Multiple choice

What is the name of the layer of the Earth that is composed primarily of iron and nickel?

  1. Continental crust

  2. Oceanic crust

  3. Mantle

  4. Core
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The core is the layer of the Earth that is composed primarily of iron and nickel.

Multiple choice

Which of the following is NOT a major component of the Earth's mantle?

  1. Oxygen

  2. Silicon

  3. Magnesium

  4. Iron
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Oxygen is not a major component of the Earth's mantle, which is primarily composed of silicon, magnesium, and iron.

Multiple choice

Which of the following is NOT a type of weathering?

  1. Physical weathering

  2. Chemical weathering

  3. Biological weathering

  4. Metamorphic weathering
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Metamorphic weathering is not a type of weathering. Metamorphism is a process that occurs when rocks are subjected to high temperatures and pressures, causing them to change their mineral composition and texture.

Multiple choice

Which of the following is NOT a type of sedimentary rock?

  1. Sandstone

  2. Limestone

  3. Shale

  4. Metamorphic rock
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Metamorphic rock is not a type of sedimentary rock. Metamorphic rocks are formed when existing rocks are subjected to high temperatures and pressures, causing them to change their mineral composition and texture.

Multiple choice

What is the process by which rocks are changed into new rocks with different mineral compositions and textures?

  1. Weathering

  2. Erosion

  3. Deposition

  4. Metamorphism
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Metamorphism is the process by which rocks are changed into new rocks with different mineral compositions and textures due to the action of high temperatures and pressures.

Multiple choice

Which of the following is NOT a type of metamorphic rock?

  1. Slate

  2. Marble

  3. Gneiss

  4. Igneous rock
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Igneous rock is not a type of metamorphic rock. Igneous rocks are formed when magma or lava cools and solidifies.

Multiple choice

What is the process by which magma or lava cools and solidifies?

  1. Weathering

  2. Erosion

  3. Deposition

  4. Igneous activity
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Igneous activity is the process by which magma or lava cools and solidifies, forming igneous rocks.

Multiple choice

Which of the following is NOT a type of igneous rock?

  1. Basalt

  2. Granite

  3. Rhyolite

  4. Sedimentary rock
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Sedimentary rock is not a type of igneous rock. Sedimentary rocks are formed when sediments are deposited and compacted over time.

Multiple choice

What is the process by which rocks are changed into new rocks with different mineral compositions and textures due to the action of high temperatures and pressures?

  1. Weathering

  2. Erosion

  3. Deposition

  4. Metamorphism
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Metamorphism is the process by which rocks are changed into new rocks with different mineral compositions and textures due to the action of high temperatures and pressures.