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Sample Detail
of
Sample:
Sample No. 76ADt204A - 90 feet -- USGS No. Mesozoic loc. M6629
Locality:
Field No. 76ADt204A - 90 feet
Description:
north side Atigun Gorge, 8 miles N 35 degs. E of outlet of Galbraith Lake. Massive crossbedded graywacke with oncl. 1560 feet above base of measured section.
Location:
Alaska Quadrangle:
Philip Smith Mts
Lat.: 68
o
31
'
"
Long.: 149
o
09
'
"
Reference
Title:
Report on Referred Fossils
, 1977 (07/19)
This report concerns 3 samples from northern Alaska.
Report by:
David L. Jones
,
John W. Miller
Referred by:
Robert L. Detterman
Age:
Albian
Formation:
Fortress Mountain Formation
Comment:
Age: Early Cretaceous (Albian)
Occurrence(s)
No.
Group
Name
Qty
Notes
1
Bivalves
Astarte sp.
2
Bivalves
Tancredia stelcki McLearn
3
Bivalves
Yoldia sp.
Strat. Column
Interval
76ADt204A - 90 feet
1560
76ADt204A - 50 feet
30