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Ganderia

Basement domain in the Southeastern Laurentia and Appalachians

Geologic information

Region Southeastern Laurentia and Appalachians
Crust
Formation age: 630-488 Ma
Accretion
Type: Collisional
Age: 455-423 Ma
Notes Neoproterozoic-Silurian (or younger); Converted to extensional accretionary orogen

Geographic extent

Hartford, Middlesex, New Haven, Tolland, Windham, Androscoggin, Aroostook, Cumberland, Franklin, Hancock, Kennebec, Knox, Lincoln, Oxford, Penobscot, Piscataquis, Sagadahoc, Somerset, Waldo, Washington, York, Franklin, Hampden, Hampshire, Middlesex, Worcester, Belknap, Carroll, Cheshire, Coos, Grafton, Hillsborough, Merrimack, Rockingham, Strafford, Sullivan, Essex, Orange

Bibliographic references

van Staal, C.R., Whalen, J.B. , Valverde-Vaquero, P., Zagorevski, A., and Rogers, N., 2009, Pre-Carboniferous, episodic accretion-related, orogenesis along the Laurentian margin of the northern Appalachians: Geological Society, London, Special Publications, v. 327, no. 1, p. 271–316; doi:10.1144/SP327.13.