marker horizon
Noun
Meaning
marker horizon (plural marker horizons)
(geochronology) A stratigraphic unit of distinctive lithology with a wide geographical extent used in stratigraphic correlation.
Synonyms: chronohorizon, key bed, marker bed
Noun
marker horizon (plural marker horizons)
(geochronology) A stratigraphic unit of distinctive lithology with a wide geographical extent used in stratigraphic correlation.
Synonyms: chronohorizon, key bed, marker bed