0.000001 0.00001 0.0001 0.001 0.01 0.1 1 10 100 1000
Element
Upper
Continental
Crus(
t
)
TraceEl
nts
Figure
1.
Graphical
plot
showing
concentration
of
trace
elements
(ppm,
except
where
noted)
within
the
upper
continental
crust
–
compiled
from
Rudnick
and
Gao
(2003),
Hu
and
Gao
(2008),
and
Park
et
al.
(2012)
5
mpp