作者miraclefood (食物)
看板b962040XX
標題[功課] 地化作業
時間Tue Dec 22 15:12:22 2009
To calculate εNd Values~
#1:
1. 143 Nd/ 144 Nd = 0.512709
2. 143 Nd/ 144 Nd = 0.511033
#2:
If a rock of cretaceous age(= 100 Ma)
has present - day 143 Nd/ 144 Nd ratio
of 0.511356, 147 Sm / 144 Nd 0.1234, try
to calculate is εNd(T) initial value.
如果有錯再跟我說黑!!
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