Reference Detail of

Report on Referred Fossils
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Stratigraphic range: Silurian and Devonian
Kinds of fossils: Corals
Quadrangle or area: McGrath A-5 and C-4 quads.
Shipment No.: O-81-35
Referred by: Blodgett, Robert B.
Report prepared by: Oliver, William A., Jr.
Date: 06/10/1981

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79RB6 (10321-SD) , Mc Grath , Long. 155 deg. 09'21" W., Lat. 62 deg. 04'28" N. NE1/4 of SW1/4 of NE1/4 of NW1/4 of Sec. 21, T. 23 N., R. 32 W., McGrath A-5 quadrangle (Elevation approximately 2,500'). Small silicified fossil horizon, 5 feet in thickness, the top of which is 503 feet stratigraphically below the top of the unnamed Middel Devonian argillaceous limestone unit. (description from letter (dated August 29, 1980) from R.B. Blodgett to A.R. Ormiston).
Aulopora sp.
Cladopora sp.
Coenites sp.
Heliolites? sp.
Syringopora sp.
Dendrostella? sp.
Neostringophyllum? sp.
Ptenophyllid (dendroid)
DM-80-63 (10322-SD) , Mc Grath , From approximately the same area as USGS collection 6449-SD referred to in USGS Prof. Paper 823-B, p. 25; Lone Mountain area, McGrath C-4 Quad. (description from Oliver E&R report of 6/10/81)
Catenipora sp.
Syringoporinus sp.
Rugose coral (1 sp. only), tryplasmatid