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- Usage in publication:
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- Beavertail Point Member
- Modifications:
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- Principal reference
- Dominant lithology:
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- Phyllite
- Siltstone
- AAPG geologic province:
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- New England province
Summary:
Pg. 33-35; see also Skehan and others, 1981, NEIGC 73rd Ann. Mtg., Trip C-1, p. 237-264. Beavertail Point Member of Jamestown Formation of Conanicut Group (new). Consists of 80 to 90 percent green phyllite, 10 to 15 percent buff and white, brown- to orange-weathering siltstone, and 5 percent black phyllite. [Thickness not stated.] Lies below Short Point Member of Fort Burnside Formation of Conanicut Group. [Not in stratigraphic contact with other members of the Jamestown. Shown on fig. 8 (p. 33) above Lion Head Member and correlative with Hull Cove Member; upper part correlative with Bass Rock Member (new).] Contains worm trail ichnofossils PALAEOPHYCUS (=BUTHROTREPHIS), PLANOLITES, and HELMINTHOPSIS (Skehan and others, GSA-NE Section Cent. Field Guide, v. 5, p. 200). Age is Middle Cambrian.
Type locality: along southeastern shore of Beavertail Point, near the Beavertaill Point lighthouse, southern end western Conanicut Island, Narragansett Bay, [Narragansett Pier 7.5-min quadrangle, Newton Co.], southeastern RI.
Source: Publication.
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