Sample Detail of
Sample: Sample No. 76Tr96 -- USGS No. M1300
Locality: Field No. 76Tr96
Description: Talus from cliff north edge of saddle and float from subcrop in saddle, north edge of shish pluton. Latitude 67 degs. 25.5 min.; Longitude 156o 16 min. (Limestone, black chert, phyllitic mudstone, bryozoan limestone) Revisit locality A-72-19M (72Tr28).
Location: Alaska Quadrangle: Ambler River B-1
Lat.: 67o25.5 ' Long.: 156o16' "
Reference
Title: Report on Referred Fossils ,  1978 (01/12)
Report by: Augustus K. Armstrong
Referred by: Irv L. Tailleur
Age: Late Mississippian
Formation: Lisburne Group
Occurrence(s)
No. Group Name Qty Notes
1 Rugose Corals Lithostrotionella aff. L. birdi Armstrong Comments: Specimen is poorly preserved in chert, septa, walls and tabulae are preserved by coarse dolomite rhombs. This is a common Lisburne Group colonial coral Zone 13 to lower 16; Late Mississippian.
2 Rugose Corals Diphyphyllum nasorakensis Armstrong Age: Zone 15 to lower 16. Late Mississippian.
3 Tabulate Corals Syringopora sp. indet.