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Map showing publication footprint
  • Usage in publication:
    • Lion Head Member
  • Modifications:
    • Principal reference
    • Biostratigraphic dating
  • Dominant lithology:
    • Phyllite
  • AAPG geologic province:
    • New England province
Publication:

Skehan, J.W., and Rast, Nicholas, 1990, Pre-Mesozoic evolution of Avalon terranes of southern New England, IN Socci, A.D., Skehan, J.W., and Smith, G.W., eds., Geology of the composite Avalon terrane of southern New England: Geological Society of America Special Paper, 245, p. 13-53.


Summary:

Lion Head Member of Jamestown Formation of Conanicut Group (new). Massive gray phyllites. Bedding is evident only as a minor color variation on the order of 3 to 8 cm. Contains dark-gray to black fluorapatite nodules and abundant trilobites. Thickness not stated. Overlies Pirate Cave Formation. Age is Middle Cambrian, based on fossils (trilobites).
Type locality: exposures north and south of Lion Head Chasm, Conanicut Island, southern Narragansett Bay, RI.
See also Skehan and others (1981), Skehan and others (1987).

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


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

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