Question
What is a coarse-grained, dark-coloured, intrusive igneous rock that is widely used as a concrete aggregate, road base material, and crushed stone for railroad ballast?
The correct answer is
Gabbro
Gabbro is widely used in construction for the purposes mentioned due to its hardness and durability when crushed. Based on the analysis, Gabbro is the rock that matches all the descriptions provided in the question.
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Important Questions from Geomorphology
- Which of the following is a shallow desert depression formed by wind erosion?
- Volcanoes are often found in which type of plate boundary?
- Which of the following is NOT a part of chemical weathering?
- What is the disintegration of rocks into smaller fragments without any change in their chemical composition called?
- A flat or gently sloping surface left behind after river erosion, often with some resistant remnants, is known as:
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