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  • Usage in publication:
    • Springhill Pond Formation
  • Modifications:
    • Named
  • Dominant lithology:
    • Gneiss
    • Quartzite
    • Marble
  • AAPG geologic province:
    • Adirondack uplift
Publication:

Wiener, R.W., McLelland, J.M., Isachsen, Y.W., and Hall, L.M., 1984, Stratigraphy and structural geology of the Adirondack Mountains, New York; review and synthesis, IN Bartholomew, M.J., ed., The Grenville event in the Appalachians and related topics: Geological Society of America Special Paper, 194, p. 1-55.


Summary:

The informal Springhill Pond Formation of Walton and deWaard (1963) is here used and assigned to the Lake George Group in the eastern Adirondacks in NY. It consists of garnet-sillimanite gneiss, quartzite, and marble. Alling (1917) divided the sequence, from base to top, into tentative units: Hague gneiss, Dixon schist, Faxon limestone, Swede Pond quartzite, (Bryant Lake) limestone, Catamount sillimanite schist, Bear Pond schist. Structurally overlies the Lake Durant Formation; structurally underlies the Thunderbolt Mountain Formation, both of the Lake George Group. Correlates with the Blue Mountain Lake Formation of the central Adirondacks. Age is Proterozoic.

Source: GNU records (USGS DDS-6; Reston GNULEX).


For more information, please contact Nancy Stamm, Geologic Names Committee Secretary.

Asterisk (*) indicates published by U.S. Geological Survey authors.

"No current usage" (†) implies that a name has been abandoned or has fallen into disuse. Former usage and, if known, replacement name given in parentheses ( ).

Slash (/) indicates name conflicts with nomenclatural guidelines (CSN, 1933; ACSN, 1961, 1970; NACSN, 1983, 2005, 2021). May be explained within brackets ([ ]).

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