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Sample Detail
of
Sample:
Sample No. 61ATr14 -- USGS No. Mesozoic loc. M1259
Locality:
Field No. 61ATr14
Description:
Tiglukpuk Fm., Ipewik River, 68
o
36'25" N., 164
o
12'30" W. [Tailleur provided further information in his transmittal sheet: "Buchia concentrica?; Phylloceras?, belemnites, brachiopods, in part typical of fauna from Tiglukpuk fm. (Kimmeridgian-Oxfordian). But pyritized, isolated, in atypical clay shale. From cutbank W. bank of Ipewik River at 68
o
36'25" lat., 164
o
12'30" long., 1/2 mile downstream from northernmost point on river. Within a few hundred feet of base of unconformably overlying graywacke unit. (coords. 4.9, 10.9)"
Location:
Alaska Quadrangle:
De Long Mts
C-4
Lat.: 68
o
36
'
25
"
Long.: 164
o
12
'
30
"
Reference
Title:
Report on Referred Fossils
, 1962 (03/07)
This report covers several collections of fossils from northwestern Alaska, obtained from the Tiglukpuk and Fortress Mountain Formation.
Report by:
David L. Jones
Referred by:
Irv L. Tailleur
Age:
Oxfordian
Formation:
Tiglukpuk Formation
Comment:
Age: Oxfordian
Occurrence(s)
No.
Group
Name
Qty
Notes
1
Bivalves
Buchia concentrica
2
Bivalves
Buchia spitiensis
3
Ammonoids
Phylloceras sp.
4
Brachiopods
Brachiopod, genera and species not determined
5
Belemnites
Belemnite