Podcast
Questions and Answers
What is the second most abundant type of sedimentary rocks?
What is the second most abundant type of sedimentary rocks?
- Metamorphic rocks
- Terrigenous clastic rocks (correct)
- Igneous rocks
- Biogenic sedimentary rocks
What is the primary material that limestones are composed of?
What is the primary material that limestones are composed of?
- Silica
- Calcium carbonate (correct)
- Sodium chloride
- Potassium carbonate
What term is used to refer to limestones due to their composition of calcium carbonate?
What term is used to refer to limestones due to their composition of calcium carbonate?
- Ferrous
- Carbonaceous
- Calcareous (correct)
- Siliceous
Which of the following minerals is NOT a principal mineral in carbonate sediments and rocks?
Which of the following minerals is NOT a principal mineral in carbonate sediments and rocks?
Which type of marine organisms is mentioned to have hard parts made of calcium magnesium carbonate?
Which type of marine organisms is mentioned to have hard parts made of calcium magnesium carbonate?
What percentage of magnesium substitution makes calcite less stable?
What percentage of magnesium substitution makes calcite less stable?
What are the two main processes by which carbonate sediments and rocks are formed?
What are the two main processes by which carbonate sediments and rocks are formed?
Why is limestone economically important?
Why is limestone economically important?
Which of the following organisms is NOT mentioned as contributing to biogenic carbonate formation?
Which of the following organisms is NOT mentioned as contributing to biogenic carbonate formation?
What is the primary reason for the concentration of warm-water carbonate depositional settings within 30° north and south of the equator?
What is the primary reason for the concentration of warm-water carbonate depositional settings within 30° north and south of the equator?
What is the significance of cementation in the formation of carbonate rocks?
What is the significance of cementation in the formation of carbonate rocks?
What role does limestone play in the global carbon cycle?
What role does limestone play in the global carbon cycle?
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