Sample Detail of
Sample: Sample No. 92ADo226B -- USGS No. DR 1477
Locality: Field No. 92ADo226B
Description: Howard Pass C-5. Lat. 68o 37'30" N., Long. 158o 51'50" W. Grayish-green chert and cherty argillite; fairly radiolarian-rich. (description from Dover et al., 2004, p. 52 (Table 2)); [Formation: Pennsylvanian-Triassic -- Etivluk? Howard Pass 1:250,000 C5 quadrangle, T. 9 S., R. 30 W., sec. 35; on low ridge 1 mile east of where tributaries of Rampart Creek converge, approx. 250 ft west of locality 92ADo225B. Lat. 68°37'34", long 158°51'50". (description from Blome and Reed E&R report dated June 23, 1993; Shipment no. A-92-9D)]
Location: Alaska Quadrangle: Howard Pass C-5
Township&Range: 9 S. 30 W. Section: 35
Lat.: 68o37'30 " Long.: 158o51'50 "
Reference
Title: Geologic and fossil locality maps of the west-central part of the Howard Pass Quadangle and part of the adjacent Misheguk Mountains Quadrangle, western Brooks Range, Alaska ,  2004
Report by: Jim Dover , Irv L. Tailleur , Julie A. Dumoulin
Age: Middle Triassic (Middle Triassic (probably Ladinian))
Formation: Imnaitchiak Chert
Comment:Age: Middle Triassic (probably Ladinian)

Shown as locality 11 on Sheet 2; map unit: JlPip

Occurrence(s)
No. Group Name Qty Notes
1 Radiolarian Poorly preserved assemblage including ?Eptingium sp. (heavy triradiate spine fragments). radiolarians identified by C.D. Blome and K.M. Reed
2 Radiolarian Triassocampe sp. (casts with little ornamentation)

Title: Report on Referred Fossils ,  1993 (06/23)
Report by: Charles D. Blome , Katherine M. Reed
Referred by: J. H. Dover
Age: Ladinian (Middle Triassic (probably Ladinian))
Formation: Etivluk Group (Etivluk Group?)
Comment:Age: Middle Triassic (probably Ladinian).
Occurrence(s)
No. Group Name Qty Notes
1 Radiolarian Poorly preserved assemblage including:
2 Radiolarian ?Eptingium sp. (heavy triradiate spine fragments)
3 Radiolarian Triassocampe sp. (casts with little ornamentation)