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Map showing publication footprint
  • Usage in publication:
    • Fort Ann limestone member
  • Modifications:
    • [First used]
  • AAPG geologic province:
    • New England province
Publication:

Wheeler, R.H., 1941, Revised Cambro-Ordovician correlations [abs.]: Geological Society of America Bulletin, v. 52, no. 12, pt. 2, p. 1938-1939.


Summary:

Fort Ann limestone member of Tribes Hill formation. Named as member of Tribes Hill formation. Age is Early Ordovician.
Derivation of name not stated, but probably named from occurrence at Fort Ann, Washington Co., east-central NY.

Source: US geologic names lexicon (USGS Bull. 1200, p. 1391).


Map showing publication footprint
  • Usage in publication:
    • Fort Ann limestone member
  • Modifications:
    • Original reference
  • Dominant lithology:
    • Limestone
  • AAPG geologic province:
    • New England province
Publication:

Wheeler, R.H., 1942, Cambrian-Ordovician boundary in the Adirondack-border region: American Journal of Science, v. 240, no. 7, p. 518-524.


Summary:

Pg. 518, 522. Fort Ann limestone member of Tribes Hill formation. Limestone is middle member of Tribes Hill in Champlain and Hudson Valleys. Underlies Benson dolomite member; overlies Norton member. Represents division C 3 of Brainerd's and Seely's "Calciferous" (1890, GSA Bull., v. 1, p. 501-516). Age is Early Ordovician.
Origin of name not stated, but probably named from occurrence at Fort Ann, Washington Co., east-central NY.

Source: US geologic names lexicon (USGS Bull. 1200, p. 1391).


Map showing publication footprint
  • Usage in publication:
    • Fort Ann limestone member
  • Modifications:
    • Revised
  • AAPG geologic province:
    • New England province
Publication:

Rodgers, John, 1952, East-central New York and parts of western Vermont, IN Billings, M.P., Rodgers, John, and Thompson, J.B., Jr., Guidebook for field trips in New England; Geology of the Appalachian highlands of east-central New York, southern Vermont, and southern New Hampshire, Field trip no. 1: Geological Society of America Field Trip Guidebook, 65th annual meeting, Boston, MA, November 10-12, 1952, p. 7-36.


Summary:

Pg. 35 (table 2). Fort Ann limestone member of Great Meadows formation. Described as persistent limestone layer at top of Great Meadows formation (new). Refers to R.H. Flower (unpub. manuscript).

Source: US geologic names lexicon (USGS Bull. 1200, p. 1391).


Map showing publication footprint
  • Usage in publication:
    • Fort Ann limestone member
  • Modifications:
    • Areal extent
  • AAPG geologic province:
    • New England province
Publication:

Fisher, D.W., 1954, Lower Ordovician (Canadian) stratigraphy of the Mohawk Valley, New York: Geological Society of America Bulletin, v. 65, no. 1, p. 71-96.


Summary:

Pg. 74. Subdivisions of Tribes Hill of Champlain Valley are poorly defined and can not be used in Mohawk Valley.

Source: US geologic names lexicon (USGS Bull. 1200, p. 1391).


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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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