Tell me more ×  A "seismic section" shows amplitude for m
discrete x values along its horizontal axis times n discrete
time values along its vertical axis: Seismic section  Peaks in
amplitude (black) are centered on horizons; interfaces between
different geological layers. The horizons are mostly continous
but not necessarily horizontal nor flat lines. In the image
above somebody has "tracked" the green and yellow horizons
(using a crayon on a piece of paper?) that form the top and
bottom of the "Ordovian" geological layer. These two lines are
continous everywhere except for where they cross one of the
vertical black lines: faults.  It is easy to implement a
computer program that "draws" the colored lines by following the
peaks, except for at the faults.  The problem here is that the
peak "jump" in time and by how much differs from case to case.
One possible way to automate this is to assume that the shape of
the signal around the peak is almost constant along a horizon.
We can then reconstruct the amplitude