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Rocklandian age/stage

General information
Lower boundary: after 460.9 Ma (based on Sandbian)
Upper boundary: before 449.5 Ma (based on Caradoc)
Continent: North America
See collections within this interval
See map of collections within this interval
Key correlations
Period: Ordovician
Epoch: Late/Upper Ordovician
10 million year bin: Ordovician 4
Overlaps with
  • Harju (452.0 to 443.7 Ma)
  • Vormsi (452.0 to 445.6 Ma)
  • Maysville (452.0 to 445.6 Ma)
  • Cincinnatian (452.5 to 443.7 Ma)
  • Rawtheyan (455.8 to 445.6 Ma)
  • middle Late Ordovician (455.8 to 445.6 Ma)
  • Katian (455.8 to 445.6 Ma)
  • Sherman (457.5 to 298.9 Ma)
  • Bohdalec (457.5 to 445.6 Ma)
  • Late/Upper Llandeilo (460.9 to 449.5 Ma)
  • Middle Llandeilo (460.9 to 449.5 Ma)
  • Kukruse (460.9 to 449.5 Ma)
  • Edenian (460.9 to 449.5 Ma)
  • Trentonian (460.9 to 449.5 Ma)
  • Wildernessian (460.9 to 449.5 Ma)
  • Ashbyan (460.9 to 449.5 Ma)
  • Chatfieldian (460.9 to 449.5 Ma)
  • Turinian (460.9 to 449.5 Ma)
  • Berounian (460.9 to 449.5 Ma)
  • Hanjiang (460.9 to 449.5 Ma)
  • Haljala (460.9 to 449.5 Ma)
  • Kirkfieldian (460.9 to 449.5 Ma)
  • Shermanian (460.9 to 449.5 Ma)
  • Blackriveran (460.9 to 449.5 Ma)
  • Viru (463.5 to 452.0 Ma)
  • Chazy (466.0 to 457.5 Ma)
  • Whiterockian (471.8 to 457.5 Ma)
  • Interval name: