of
Sample: Sample No. 68ARh-163
Locality: Field No. 68ARh-163
Description: Nabesna B-4 quad. Lat. 62o 19.3'N; Long. 142o 58.0'W. Elev. 2800 feet in NE 1/4 sec. 10, R13E, T6N. Massive limestone unit. (description from transmittal sheet of Richter dated Sept. 27, 1968)
Location: Alaska Quadrangle: Nabesna B-4
Township&Range: T6N R13E Section: NE1/4 sec. 10
Lat.: 62o19.3 ' Long.: 142o58.0 '
Reference
Title: Report on Referred Fossils ,  1968 (11/13)
Report by: Norman J. Silberling
Referred by: Donald H. Richter
Age: Mesozoic (suggestive of a Mesozoic rather than Paleozoic age)
Comment:Of these, 68-ARh-163 amd -256, which contain large club-shaped echinoid spines, are suggestive of a Mesozoic rather than Paleozoic age, but all six of these collection generally lack age diagnostic fossils.
Occurrence(s)
No. Group Name Qty Notes
1 Echinoids cidaroid echinoid spines
2 Bivalves nondiagnostic fragments of pelecypods
3 Snails nondiagnostic fragments of gastropods