page_title: Penarth Group
hierarchical_section_title: Penarth Group
caption_attribution_description: English: "Landscape marble", a stromatolitic limestone, showing naturally formed patterns in the marble resembling hedges and trees. Photograph taken at the Natural History Museum, London.
context_page_description: The Penarth Group is a Rhaetian age lithostratigraphic group which is widespread in Britain. It is named from the seaside town of Penarth near Cardiff in south Wales where strata of this age are exposed in coastal cliffs southwards to Lavernock Point. This sequence of rocks was previously known as the Rhaetic or Rhaetic Beds.
context_section_description: The Penarth Group is a Rhaetian age (Triassic) lithostratigraphic group (a sequence of rock strata) which is widespread in Britain. It is named from the seaside town of Penarth near Cardiff in south Wales where strata of this age are exposed in coastal cliffs southwards to Lavernock Point. This sequence of rocks was previously known as the Rhaetic or Rhaetic Beds.
caption: Cut face of Cotham Marble, from the Lilstock Formation, showing the stromatolitic structures resembling a landscape
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