ملخص الدراسة: ﺗﻢ أﺧﺘﯿﺎر 12 ﻣﺤﻄﺔ ﻓﻲ اﻟﻤﻨﻄﻘﺔ اﻟﻀﺤﻀﺎﺣﯿﺔ ﺑﺎﻟﯿﻨﻮرس واﺧﺬت ﻋﯿﻨﺔ واﺣﺪة ﻣﻦ ﻛﻞ ﻣﺤﻄﺔ، ﺷﺨﺼﺖ اﻟﻤﻌﺎدن اﻟﺜﻘﯿﻠﺔ واﻟﺨﻔﯿﻔﺔ ﻓﻲ اﻟﺠﺰء اﻟﺮﻣﻠﻲ ﺣﺠﻢ 0.125 ﻣﻠﻢ وﺑﻌﺪ اﻟﺪراﺳﺔ اﻟﺒﺘﺮوﻏﺮاﻓﯿﺔ ﻻرﺑﻊ وﻋﺸﺮﯾﻦ ﺷﺮﯾﺤﺔ رﻗﯿﻘﺔ ﺗﺤﺖ اﻟﻤﺠﮭﺮ اﻟﻤﺴﺘﻘﻄﺐ ﺗﻢ ﺗﺤﺪﯾﺪ وﺗﺸﺨﯿﺺ أﻧﻮاع وﻧﺴﺐ ھﺬه اﻟﻤﻌﺎدن. أظﮭﺮت ﻧﺘﺎﺋﺞ ﺗﺤﺎﻟﯿﻞ اﻟﻤﻌﺎدن اﻟﺜﻘﯿﻠﺔ أﻧﻮاﻋﺎً ﻣﺨﺘﻠﻔﺔ، ﺣﯿﺚ ھﯿﻤﻨﺖ اﻟﻤﻌﺎدن اﻟﻤﻌﺘﻤﺔ ﺑﻨﺴﺒﺔ […]

ملخص الدراسة: The main object of this paper is to find the Brauer Trees of the symmetric group S modulo P 13 which can give the irreducible modular spin characters of which can give the irreducible modular spin characters of