Erosion & deposition = downward movement & “settling” accumulation.
Tributary streams join together,
distributary channels “let go” of sediment: both form dendritic patterns.
Ridge lines of resistant rock form dendritic patterns in an inverse way to stream canyons.
Sedimentary layers form with the oldest rocks at the bottom; uplift “folding” pushes them into anticlines (upfolds) and synclines (downfolds).
The Santa Monica Mountains are a huge tilted anticline formed from the NW turn of the San Andreas Fault, East and Northeast of the Transverse Ranges.