Question

Six economic importance of rocks

Answer 1

Answer:

1. SOURCE OF MINERALS:- Some rocks are a source of a mineral such as gold, diamond, limestone and petroleum e.t.c which can be exported to provide foreign exchange to a country, petroleum, coal, limestone and derived from sedimentary rocks while gold, diamond and tin are derived from igneous and metamorphic rocks.

2. SOURCE OF FUEL:- Sedimentary rocks like petroleum and local are a source of fuel for domestic and industrial uses.

3. TOURIST CENTRE:- Huge rock masses on the mountain serve as tourist centre e.g olumorock in Abeokuta and Zuma rock in suleja.

4. CONSTRUCTION PURPOSE:- Some rocks like granite and sandstone are quarried and used for road, bridge and building construction.

5. AS ORNAMENTAL:- Some beautiful rocks such as marble can be polished as an ornament for decorating floors, walls of bulding, churches and tombstones.

6. SOURCE OF FOOD NUTRIENTS:- Rock salt such as sodium chloride from sedimentary rocks provide minerals used in cooking.

7. FORMATION OF SOIL:- Soil are formed from the disintegration of rocks.

8. SOURCE OF METALS:- Rocks are source of metals which are derived from mines such as gold, irpon and aluminium.

Explanation:

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Answer 2

Answer:

SOME ECONOMIC IMPORTANCE OF ROCKS ARE :

Explanation:

1 SOURCE OF MINERALS:- Some rocks are a source of a mineral such as gold, diamond, limestone and petroleum e.t.c which can be exported to provide foreign exchange to a country, petroleum, coal, limestone and derived from sedimentary rocks while gold, diamond and tin are derived from igneous and metamorphic rocks.

2 SOURCE OF FUEL:- Sedimentary rocks like petroleum and local are a source of fuel for domestic and industrial uses.

3 CONSTRUCTION PURPOSE:- Some rocks like granite and sandstone are quarried and used for road, bridge and building construction.

4 TOURIST CENTRE:- Huge rock masses on the mountain serve as tourist centre e.g olumorock in Abeokuta and Zuma rock in suleja.

5 AS ORNAMENTAL:- Some beautiful rocks such as marble can be polished as an ornament for decorating floors, walls of bulding, churches and tombstones.

6 SOURCE OF FOOD NUTRIENTS:- Rock salt such as sodium chloride from sedimentary rocks provide minerals used in cooking.