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  • Usage in publication:
    • Paradox Lake Formation
  • Modifications:
    • Named
  • Dominant lithology:
    • Marble
    • Amphibolite
    • Quartzite
    • Gneiss
    • Schist
    • Granulite
  • 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 Paradox Lake Formation of Walton and deWaard (1963) is here formally named and assigned to the Lake George Group in the eastern Adirondacks in NY. It consists of calcitic and dolomitic marble interlayered with amphibolite, quartzite, gneiss, schist, and granulite, some of which are locally mappable units. Overlies Eagle Lake Gneiss of the Lake George Group or rocks of the Piseco Group; underlies the Treadway Mountain Formation of the Lake George Group. Correlates with the Cedar River Formation, Cranberry Lake Formation, and Gouverneur Marble in other parts of the 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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