Sample Detail of
Sample: Sample No. 91Tr40B -- USGS No. DR 1613
Locality: Field No. 91Tr40B
Description: Howard Pass C-3. Lat. 68o 31.3' N., Long. 157o 30' W. Sample from nodular-bedded, medium-greenish-gray chert (locally red-weathering) that overlies unit Mlb, lithology resembles that of unit PlPs. Conodonts (table 1) from upper part of unit Mlb at this locality are of probable Mississippian age. (description from Dover et al., 2004, p. 58 (Table 2))
Location: Alaska Quadrangle: Howard Pass C-3
Lat.: 68o31.3 ' Long.: 157o30' "
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: Paleozoic (Paleozoic (possibly Permian))
Formation: Etivluk Group
Comment:Age: Paleozoic (possibly Permian)

Shown as locality 58 on Sheet 2; map unit: JlPe

Occurrence(s)
No. Group Name Qty Notes
1 Radiolarian Mostly poorly preserved spumellarians, casts only radiolarians identified by C.D. Blome and K.M. Reed
2 Radiolarian Fragments of long primary spines
3 Radiolarian One latticed, broken ray (arm)
4 Radiolarian Possible fragment that may be the apical tip of Pseudoalbaillella