Sample Detail of
Sample: Sample No. 82APa108
Locality: Field No. 82APa108
Description: Sheared crinoidal limestone from narrow rib on ridge on north flank of Ray Mountains, 9 km northeast of VABM Fork on southeast margin of Koyukuk basin, sec. 13, T. 12 N., R. 23 W., lat. 65o 52.5 min., long. 152o 16 min., Tanana D-5 quadrangle; submitted as Mississippian(?).
Location: Alaska Quadrangle: Tanana D-5
Township&Range: T12N R23W Section: Sec.13
Lat.: 65o52.5 ' Long.: 152o16' "
Reference
Title: Report on Referred Fossils ,  1983 (05/04)
Report by: Anita G. Harris
Referred by: William W. Patton , Jr.
Age: Silurian-Permian
CAI:Min: 5
Comment:2 kg of rock was processed (83 g of +20 mesh insoluble residue)

AGE: Silurian-Permian
CAI=5 indicating host rock reached about 300o C.

Occurrence(s)
No. Group Name Qty Notes
1 Conodonts 14 indet. bar and blade fragments of post-Ordovician morphotype