fun with stratigraphy
Glossary - Stratigraphy (Stratigraphic) - Volcano Hazards
Aug 25, 2011 — The science of rock strata, or layers. It is concerned with all characters and attributes of rocks as sequentially timed layers and their ...
Learn more
Basics--Stratigraphy & Relative Ages
Sep 11, 2013 — Stratigraphy is the study of rock layers and reconstruction of the original sequence in which they were deposited. The stratigraphy of an ...
Learn more
Stage (stratigraphy) - Wikipedia
In chronostratigraphy, a stage is a succession of rock strata laid down in a single age on the geologic timescale, which usually represents millions of ...
Learn more