Sample Detail of
Sample: Sample No. 55AGz257a -- USGS No. Mesozoic loc. 25966
Locality: Field No. 55AGz257a
Description: Not given in Imlay E&R of 11/28/55, however, transmittal sheet of Grantz (Oct. 28, 1955) states: "Anchorage (D-1) 61o 58'04" N, 147o 21'51" W. Basal sandstone of Matanuska formation or the Tuxedni formation." (coordinates of 0.34-15.00 penciled in) [Jones, 1967, USGS Prof. Paper 547, p. 18 provides following description: A. Grantz, 1955. Anchorage D-1 quad., 1,500 ft north of Pass Creek. Lat. 61o 58'04" N., long. 147o 21'51" W. Unit B.]
Location: Alaska Quadrangle: Anchorage D-1
Lat.: 61o58'04 " Long.: 147o21'51 "
Reference
Title: Report on Referred Fossils ,  1955 (11/28)
Report by: Ralph W. Imlay
Referred by: Arthur Grantz
Age: Late Cretaceous
Formation: Matanuska Formation
Comment:The fossils from the Matanuska formation are mostly Inocerami belonging to species that have been recorded previously from many localities and with which you are familiar.

The fossils from the basal sandstone belong mostly to Inoceramus uwajimensis Yehara.

Occurrence(s)
No. Group Name Qty Notes
1 Bivalves Inoceramus uwajimensis Yehara

Title: Cretaceous ammonites from the lower part of the Matanuska Formation, southern Alaska, with a stratigraphic summary by Arthur Grantz ,  1967
Report by: David L. Jones
Age: Cenomanian
Formation: Matanuska Formation
Comment:[Note by R.B. Blodgett: Location shown on Pl. 10, which indicates it is Cenomanian in age]
Occurrence(s)
No. Group Name Qty Notes
1 Bivalves Inoceramus n. sp. "B"