Answered

1. State the characteristics of rocks.
2. Account for the distribution of major types of rocks in Kenya.
3. Explain the significance of rocks.
4. Identify major types of rocks and their uses within the local environment.
5. State two formations in which mineral ores occur.
6. Give three negative effects of open-cast mining on the environment.
7. Briefly describe how minerals occur in veins and lodes.
8. Describe how coral rocks are formed.
9. Categorize three classifications of sedimentary rocks based on their mode of formation.
10. Apart from Thermal Metamorphism, name two other types of metamorphism.
11. Describe the following types of rocks:
i) Calcareous rocks



Answer :

GinnyAnswer

Final answer:

The answer explains the characteristics of rocks, their distribution in Kenya, and their significance.


Explanation:

Characteristics of Rocks:

  • Sedimentary rocks: formed by the deposition and solidification of sediment, organic particles, or chemical precipitates.
  • Igneous rocks: formed from the cooling and solidification of magma or lava.
  • Metamorphic rocks: formed from existing rocks undergoing changes due to heat, pressure, or chemical activity.

Distribution of Major Rock Types in Kenya:

Kenya has various rock types including metamorphic rocks like gneiss and schist, igneous rocks like granites, and sedimentary rocks such as sandstones and shales due to its geological history and diverse landscapes.

Significance of Rocks:

Rocks are crucial for understanding Earth's history, providing resources like metals and minerals, influencing landscapes, and acting as building materials.


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