Sample Detail of
Sample: Sample No. 75ADT37 -- USGS No. Mesozoic loc. MF2908, M6715
Locality: Field No. 75ADT37
Description: May Creek. 2.5 miles S. 55o W. of peak 3810; coquinoid limestone in black manganiferous shale and siltstone near base of formation. [ Sliter reported Neocomian forams from dark pebble shale and siltstone - NZ]
Location: Alaska Quadrangle: Chandler Lake C-1
Township&Range: T10S R8E Section: Sec. 34
Lat.: 68o32'15 " Long.: 150o14'30 "
Reference
Title: Report on Referred Fossils ,  1977 (04/28)
This replaces E&R submitted 03/29/77. E&R should be deleted from the files and replaced with this one.
Of the 49 samples collected from the Philip Smith Quadrangle of northern Alaska and processed for microfossils, 6 contain identifiable foraminifers that indicate ages that range from Neocomian to possibly late Triassic. These are listed below followed by the remaining 43 barren samples.
Report by: William V. Sliter
Referred by: Robert L. Detterman
Age: Neocomian
Comment:Three crushed, poorly preserved specimens suggest an age not older than Neocomian.
Occurrence(s)
No. Group Name Qty Notes
1 Forams Bathysiphon cf. B. vitta Nauss
2 Forams Pseudonodosaria cf. P. humilis (Roema)

Title: Report on Referred Fossils ,  1977 (05/26)
Report by: David L. Jones , John W. Miller
Referred by: Robert L. Detterman
Age: Valanginian
Formation: Kongakut Formation
Comment:Age: Early Cretaceous (Valanginian)
Occurrence(s)
No. Group Name Qty Notes
1 Bivalves Buchia sublaevis Keyserling
2 Belemnites Belemnite