Geology Reference
In-Depth Information
Fig. 6.23
Detection of
accelerated
non-equilibrium states. The
transitions from stage pole
e
k
to
e
k
C1
and from
e
k
C1
to
e
k
C2
are associated with
large variations, of
opposite sign, of the
magnitude of the angular
velocity
Figs. 6.24 and 6.25
Magnitude of the angular
acceleration vector (
blue
line
) and variations of
angular velocity (
red line
)
for N. America and S.
America since the late
Triassic (230 Ma).
Boxes
indicate possible
events of traction
