page_title: Siccar Point
section_title: Hutton's Unconformity
hierarchical_section_title: Siccar Point / Hutton's Unconformity
caption_attribution_description: Polski: Łagodnie nachylone warstwy dewońskiego czerwonego piaskowca odkrywają niemal pionowe warstwy szarogłazu 65 mln. lat młodsze. English: Hutton's Unconformity#Siccar Point - gently inclined layers of Devonian Old Red Sandstone uncover near vertical layers of Silurian greywacke, 65 million years younger.
context_page_description: Siccar Point is a rocky promontory in the county of Berwickshire on the east coast of Scotland.
  It is famous in the history of geology for Hutton's Unconformity found in 1788, which James Hutton regarded as conclusive proof of his uniformitarian theory of geological development.
context_section_description: Siccar Point is notable in the history of geology as a result of a boat trip in 1788 in which geologist James Hutton observed the angular unconformity of the point. He wrote later that the evidence of the rocks provided conclusive proof of the uniformitarian theory of geological development; that is, that the natural laws and processes which operate in the universe have never changed and apply everywhere.
caption: The rugged point shows gently sloping beds of red sandstone above vertical beds of greywacke, forming a classic example of Hutton's Unconformity.
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