Major element chemical variation in the Eocene lavas of the Isle of Skye
    A  F  M
a  52 42  6
b  52 44  4
c  47 48  5
d  45 49  6
e  40 50 10
f  37 54  9
g  27 58 15
h  27 54 19
i  23 59 18
j  22 59 19
k  21 60 19
l  25 53 22
m  24 54 22
n  22 55 23
o  22 56 22
p  20 58 22
q  16 62 22
r  17 57 26
s  14 54 32
t  13 55 32
u  13 52 35
v  14 47 39
x  24 56 20