geological horizon

1. 1.

   a layer of rock with a particular composition (especially of fossils); for dating the stratum

   Broaderhorizon

Questions about geological horizon

What does geological horizon mean?

geological horizon means "a layer of rock with a particular composition (especially of fossils); for dating the stratum".

Is geological horizon a common word?

geological horizon is banded "Rare" — specialist or archaic — most readers will not have met it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.