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The Kirana Hills is a small and extensive rocky mountain range located in Punjab, Pakistan. The range spans approximately across the districts of Sargodha and Jhang. Locally known as "Black Mountains" due to its brownish landscape, its highest peak is about . Known for its extreme weather conditions, its maximum temperature reaches to in the summer while the minimum temperature recorded is as low as freezing point in the winter. Due to its rocky landscape and minerals, a volcanic and geophysical survey was conducted by the Geological Survey of Pakistan. Its environs are heavily infested with wild boars. ==Science in Kirana == Kirana-I was the assigned codename of the 24 subcritical 'cold tests' conducted by Pakistan from 1983–90. The Pakistan Army Corps of Engineers led the civil engineering of potential sites for the tests to be conducted. The Pakistan Atomic Energy Commission (PAEC) carried out several tests of the feasibility of weapon designs; all tests were subcritical (cold) tests and produced no energy blast yield. Additional studies on the radiation effects of nuclear explosions was also carried out by PAEC. The Kahuta Research Laboratories (KRL) also conducted subcritical tests of its own weapon designs. The weapon-testing program proved crucial for the success of Pakistan's clandestine atomic bomb program and was kept in extreme secrecy with few having knowledge of its existence. The tests were eventually made public in 2000 by the political newspaper, ''The Nation''. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Kirana Hills」の詳細全文を読む スポンサード リンク
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