50-100
Top Sand
To
Top Sand
Top Channel
Compound
To
Top Channel
Compound
Base Channel
Compound
To
Base Channel
Compound
Coal
to
Coal
Shoaling
Upward
Epi-Stratal Unit
A Parasequence is a Basic Epi-Stratal Unit, however, not all Basic Epi-Stratal
Units are Shoaling Upward Successions!
Therefore the Basic Building Block of the Epi-members should be
considered the Stratal Unit not the Parasequence
A heterolithic & cyclic succession of strata, typically 50-100 thick,
bounded by stratal surfaces