allostratigraphic units

2009年3月26日 23:02:56
allostratigraphic units:Allogroups, alloformations, and allomembers; these are subdivisions of sedimentary structures that are the subject of allostratigraphy.

allostratigraphy: The study of sedimentary strata that can be defined and identified from the discontinuities bounding them, and that can be mapped.

From: A Dictionary of Earth Sciences | Date: 1999 | Author: AILSA ALLABY and MICHAEL
Dictionary of Earth Sciences 1999, originally published by Oxford University Press 1999.