Contents

Mining & Power Resources                 


  • Mine: Underground digging is done after knowing direction of a mineral deposit. Such place is called a mine.
  • Mining: The process of extracting minerals is called mining.
  • Mineral is naturally occurring substance. It is usually formed underground or beneath water body. Examples of minerals are Salt, Coal, Marble, Iron etc.
  • In the gold mine of South Africa, about 50,000 miners are working.
  • Types of mining.  
  • 1) Open pit mining       2) Hand-panning mining 3) Adit-tunnel mining 
  • 4) Shaft-tunnel mining             5) Drilling mining
  • Khewra mine is the oldest mine and most of salt is extracted from here.
  • Khewra mine has long railway line of about 25 miles.
  • A small electric train runs in khewra mine.
  • The asthma clinic is also established in khewra mine.
  • Kalabagh Salt mine is located near the village of Khernwala on the bank of the river Indus.
  • Kalabagh salt mine is situated at some distance from khewra in western direction.
  • Warcha salt mine is mostly transparent and extremely pure and used in foods.
  • Bahadur khail and Jatta Salt mines they are situated in KPK.
  • A huge reserve of Magnesite is found in the province of Baluchistan at speen kaan. Medicines, cements, paper, and fertilizers are made from it. 
  • In Muslimbagh the reserves of Chromite were discovered before the creation of Pakistan.
  • Huge reserve of Sulphur is present in Balochistan province in Koh-e-Sultan. It is mostly used in medicines.
  • A huge reserve of copper was discovered at Sandak in Balochistan.
  • Mineral or crude oil: Pakistan produced only 20% crude oil of its need. The total estimate of reserves of Pakistan is 313 million barrel, but presently daily production is only 66,532 barrel.
  • Coal: The estimate reserves of coal in Pakistan are 185 billion tones. While need of our country is 6.4 billion tons.
  • Hydro-electricity: 33 % of electricity in Pakistan is generated by hydro-power. It is called Hydroelectricity.
  • Dames constructed on rivers are…….Tarbela on river Indus, Mangla on Jhelum, and Warsak on Kabul.
  • Atomic Energy: Presently only two nuclear plants are producing electricity in our country. One is in Karachi named KANUPP (Karachi Atomic Nuclear Power Plant) and second is at Chashma near Mainwali.
  • Only 2% electricity is generated from nuclear resources of Pakistan.
  • Biogas:  For this purpose make tank underground, filled with dung, and covered. After some time the dung decomposes and produces gas.


MCQs                                                                       .


A naturally forming, inorganic solid that has a definite crystalline structure is known as
a) minerals                 

b) cement
c) ash powder             

d) concrete

a

Underground digging is done after knowing direction of a mineral deposit is called………..
a) dig  

b) well                        

c) mine

d) joint

c

Extraction of valuable minerals and other materials from the earth is called……………...
a) drilling                    

b) mining
c) separating               

d) none of these

b

In the goldmine of South Africa, about ……... miners are working.
a) 5,00            

b) 5,000          

c) 25,000

d) 50,000

d