Reference Detail of

Report on Referred Fossils
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Stratigraphic range: Silurian-Devonian
Kinds of fossils: Corals
Quadrangle or area: Craig D-5, Alaska
Shipment No.: A-67-5
Referred by: Ovenshine, A. Thomas
Report prepared by: Oliver, William A., Jr.
Date: 02/13/1968

This report covers corals in collections submitted with 3 transmittal forms dated June 14, 1967. Most of the collections contain too few species and individuals for very refined dating. It is fairly clear in most cases that the collections are Silurian or Devonian as you indicated. Where there is any basis at all for a more refined guess this is indicated.

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67AOv 843F (8013-SD) , Craig , Craig D-5, islands S/o Orr Island. 2.14 miles at 78 deg. from triangulation station Cliff. Thin bedded, nodular limestone. Corals.
Favosites sp.
Thamnopora sp.
Undeterminate horn coral
Fragments of orthoconic nautiloid
67AOv 221F (8015-SD) , Craig , Craig D-5, south shore of Kosciusko w/o Edna Bay. 1.52 miles at 310 deg. from triangulation station Green.
Amphipora sp.
Massive stromatoporoid
Favosites sp.
Tryplasma cf. T. hercynica of Bulvanker (1958)
67AOv231F (USGS 8016-SD) , Craig , Beds in formation overlying 221F, Craig D-5, west of Edna Bay on south shore of Kosciusko Island, 1.52 miles at 310 deg. from triangulation station Green.
Disphyllum? sp. A
67AOv 242F (8017-SD) , Craig , Craig D-5, south shore of Kosciusko Island near Limestone Point at entrance to Edna Bay; 0.45 mile at 33 deg. from triangulation station Edna. Nodular limestone with Pycnodesma. High Silurian?
Massive stromatoporoid
Aulocystis sp.
67AOv 182B (8018-SD) , Craig , Craig D-5, west shore of Edna Bay, Kosciusko Island; 1.88 miles at 283 deg. from triangulation station Edna. Fossil fragmental limestone. Horizon same as 221F.
Alveolites sp.
Thamnopora sp.
Auloporoid coral
67AOv 343F (8019-SD) , Craig , Craig D-5, NW shore Marble Island; 0.33 mile at 180 deg. from triangualtion station Bear. Interbedded limey siltstone and nodular limestone. Devonian?
Favosites sp.
67AOv 352F (8020-SD) , Craig , Craig D-5, NW shore of Marble Island; 0.1 miles at 118 degrees from Triangulation Station Bear. This was dated in the field as Devonian?
Disphyllum? sp. B