Sample Detail of
Sample: Sample No. 67AOv1552 -- USGS No. 8270-SD
Locality: Field No. 67AOv1552
Description: Northwest coast of Kosciusko Island south of Point Hardscrabble; 1.18 miles at 232 degrees from triangulation station Pole.
Location: Alaska Quadrangle: Craig D-6
Reference
Title: Report on Referred Fossils ,  1972 (03/09)
Status of work: Incomplete; a final report on the ostracodes in coll. 67AWd564 will be sent later.
Report by: J. Thomas Dutro , Jr.
Referred by: A. Thomas Ovenshine
Age: Silurian-Devonian
Formation:Heceta Limestone (Revised; Robert B. Blodgett, 02/09/2008 )
Comment:Indeterminate horn coral fragment, large poorly preserved pelecypod and a bellerophontid. Could be either Silurian or Devonian.
Occurrence(s)
No. Group Name Qty Notes
1 Rugose Corals indeterminate horn coral fragment
2 Bivalves large poorly preserved pelecypod
3 Snails bellerophontid

Title: Report on Referred Fossils ,  1968 (12/09)
This report covers corals in miscellaneous collections submitted with covering request dated October 8, 1968. The collections are grouped for discussion according to the ages suggested.
Report by: William A. Oliver , Jr.
Referred by: A. Thomas Ovenshine
Age: Late Silurian (Late Silurian?)
Formation:Heceta Limestone (Revised; Robert B. Blodgett, 02/09/2008 )
Comment:Upper Silurian? A single specimen is close to the indicated species but its real range is unknown and it could be Devonian.
Occurrence(s)
No. Group Name Qty Notes
1 Rugose Corals cf. "Campophyllum kolimaensis" Rukhin

Title: Report on Referred Fossils ,  1968 (12/16)
This report is based on gastropods in four collections. All are being retained and have been assigned numbers. Several earlier collections have been reexamined. None of the fossils submitted is inidicative of Silurian age, though this age is likely for two of the collections. There is a slight suggestion from several identifications of corals that the form called Ptychocaulus, a very high-spired gastropod with closely spaced angulated whorls, may be indicative of Silurian.
Report by: Ellis L. Yochelson
Referred by: A. Thomas Ovenshine
Age: Silurian (may be Silurian)
Formation:Heceta Limestone (Revised; Robert B. Blodgett, 02/09/2008 )
Comment:This may be Silurian.
Occurrence(s)
No. Group Name Qty Notes
1 Snails Bellerophontacean gastropod with wide umbilici
2 Snails gastropod indet. suggestive of Tremanotus this has a somewhat different shape than Tremanotus? in 8247 of A-68-16; perhaps crushing is involved
3 Snails low-spired globose gastropod indet. (this is probably the same as Holopea? in 8028-delete that identification) (there is a slight chance that this is the same as cf. P. elora of 8039)
4 Snails low-spired globose gastropod indet. (this is probably the same as Holopea? in 8028-delete that identification) (there is a slight chance that this is the same as cf. P. elora of 8039)
5 Snails high-spired gastropod indet. - rounded whorls
6 Snails high-spired gastropod indet. - flattened base both high-spired forms are too incomplete to be compared with those in earlier collections