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National Geologic Map Database
Geologic Unit: Bee Brook
Map showing publication footprint
  • Usage in publication:
    • Bee Brook Formation
  • Modifications:
    • First used
  • Dominant lithology:
    • Granulite
    • Quartzite
    • Schist
    • Amphibolite
  • AAPG geologic province:
    • New England province
Publication:

Panish, P.T., 1992, The Mt. Prospect region of western Connecticut; mafic plutonism in Iapetus-sequence strata and thrust emplacement onto the North American margin, IN Robinson, Peter, and Brady, J.B., eds., Guidebook for field trips in the Connecticut Valley region of Massachusetts and adjacent states; Volume 2: University of Massachusetts, Department of Geosciences Contribution, New England Intercollegiate Geological Conference, 84th annual meeting, Amherst, MA, October, 9-11, 1992, no. 66, p. 398-423.


Summary:

Bee Brook Formation included in Hartland Group in the Cameron's Line thrust sheet along with Mt. Rat Schist and Mt. Prospect Formation [Prospect Formation?]. Hartland Group in the Bantam Lake thrust sheet consists of the Litchfield Schist and the Mt. Tom Amphibolite. Bee Brook is described as a thinly bedded unit of fine-grained, gray, massive to laminated, quartz granulites and quartzites, silver gray, muscovite schist, and subordinate, dark-gray, muscovite biotite schist. Coticule layers are common. Locally subdivided into three members: muscovite schist, gneiss and granulite, and amphibolite. Map symbol indicates a Cambrian(?) and Ordovician age.

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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