Sample Detail of
Sample: Sample No. 63AGz158 -- USGS No. Mesozoic loc. M1968
Locality: Field No. 63AGz158
Description: [Jones, 1967, USGS Prof. Paper 547, p. 20 provides following description: A. Grantz, J. Stout, 1963. Valdez D-8 quad., southeast of Twin Lakes. Lat 61o 54.7' N., long 146o 52.1' W. Unit C-1.]
Location: Alaska Quadrangle: Valdez D-8
Lat.: 61o54.7 ' Long.: 146o52.1 '
Reference
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: Coniacian-Santonian (Coniacian or Santonian [Turonian acc. to fossil!])
Formation: Matanuska Formation
Comment:[Note by R.B. Blodgett: Location shown on Pl. 10, which indicates it is Coniacian or Santonian in age, however, on p. 11 this locality is indicated to be Turonian in age due to the presence of Inoceramus aff. I. cuvierii.]
Occurrence(s)
No. Group Name Qty Notes
1 Bivalves Inoceramus cf. I. curvierii