page_title: Stratigraphy
hierarchical_section_title: Stratigraphy
caption_attribution_description: English: Crumpled mudstone strata, Ceibwr
context_page_description: Stratigraphy is a branch of geology which studies rock formations called strata. It is important in the study of sedimentary and layered vocanic rocks.
context_section_description: Stratigraphy is a branch of geology which studies rock formations called strata (layers). It is important in the study of sedimentary and layered vocanic rocks.
caption: Crumpled mudstone strata, Ceibwr Bay, Cardigan Bay, Wales.
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