A block mountain is a mountain consisting of a block or blocks bounded by normal faults in the earth’s crust. They are formed by the movement of large crustal blocks when forces in the Earth’s crust pull it apart. Some parts of the Earth are pushed upward and others collapse down.
Economic importance of Block Mountains include:
- Block Mountains are tourist attractions thus help countries to earn foreign exchange.
- Block Mountains with ice on top are sources of rivers when ice melt and these provide water for irrigation, transport and industrial development.
- Block Mountains modify climate through influencing the formation of orographic rainfall.
- Some Block Mountains contain minerals thus lead to the development of the mining industry for example former copper extraction from the Rwenzori Mountains and the current cobalt extraction.
- Rivers originating from Block Mountains form waterfalls from which hydro electric power is generated thus helpful for industrial development.
- Block Mountains contain forests thus promote development of the forestry industry or lumbering which is a source of income.
- Forests existing on Block Mountains can be turned into national parks or game reserves for example queen Elizabeth national park on Rwenzori Mountains thus promoting wild life conservation and tourism.
- Block Mountains assist in communication as radio and telephone communication gargets are situated on such areas of high altitude to transmit waves.
- Slopes of Block Mountains contain fertile soils and this promotes human settlement and agriculture for example the Batwa and Bakonjo live on the slopes of mount Rwenzori.