Edge Rewrite
// HTMLRewriter · presentation

This page was redesigned at the edge.

Cloudflare fetched the original article and streamed it through HTMLRewriter to apply an entirely new visual system without rebuilding the source page.

Jump to content

Selborne Group

From Wikipedia, the free encyclopedia

Selborne Group
Stratigraphic range: Albian-Cenomanian 113–94 Ma
TypeGroup
Sub-unitsGault Formation, Upper Greensand Formation
UnderliesChalk Group
OverliesLower Greensand Group
Thicknessup to 110 m in the Weald, but in marginal areas may be less than 5 m thick.
Lithology
PrimaryGlauconitic Sandstone,
OtherMudstone, Limestone & Marl
Location
RegionEngland
CountryUnited Kingdom

The Selborne Group is a geologic group in England. It preserves fossils dating back to the Cretaceous period. It comprises the Gault Formation (informally/traditionally the Gault Clay or Blue Marl) and the overlying Upper Greensand Formation (earlier known as the Malm or Malm Rock).[1][2]

See also

[edit]

References

[edit]
  1. "BGS Lexicon of Named Rock Units - Result Details".
  2. "BGS Lexicon of Named Rock Units - Result Details".