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Introduction
Phases are the intermediate unit of periodiztion between strata and horizons, but they are the broadest unit from the opint of view of stratigraphy. Horizons, on the other hand, are closely related to integrative analysis and are, accordingly, treated separately.
The current phase and strata sequence is JPB.
Eleshwere, one will find an overall description of JP phases.
Back to top: Phases for Unit A20