ﻗﺎﻝ ﺍﻟﻠﻪ ﺗﻌﺎﻟﻰ" :ﻭَﺍﻟْﺄَﺭْﺽِ ﺫَﺍﺕِ ﺍﻟﺼَّﺪْﻉِ" ﴿
12﴾ ﺳﻮﺭﺓ ﺍﻟﻄﺎﺭﻕ
ﺍﻟﺤﻘﻴﻘﺔ ﺍﻟﻌﻠﻤﻴﺔ:
ﺍﻛﺘﺸﻒ ﻋﻠﻤﺎﺀ ﺍﻟﺠﻴﻮﻟﻮﺟﻴﺎ ﺣﺪﻳﺜﺎ ﺃﻥ
ﺍﻟﻘﺸﺮﺓ ﺍﻷﺭﺿﻴﺔ ﻣﻘﺴﻤﺔ ﺑﺸﺒﻜﺔ ﻣﻦ
ﺍﻟﺼﺪﻭﻉ ﺍﻟﻌﻤﻴﻘﺔ ﺇﻟﻰ ﺍﺛﻨﻲ ﻋﺸﺮ ﻗﻄﻌﺔ
ﺭﺋﻴﺴﻴﺔ ﻣﺘﺠﺎﻭﺭﺓ ﻳﺴﻤﻰ ﻛﻞ ﻣﻨﻬﺎ ﻟﻮﺣًﺎ
،(plate) ﺑﺎﻹﺿﺎﻓﺔ ﺇﻟﻰ ﻋﺪﺓ ﺃﻟﻮﺍﺡ ﺻﻐﻴﺮﺓ
ﺗﺴﻤﻰ ﻟﻮﻳﺤﺎﺕ (platelet
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