Sample Detail of
Sample: Sample No. 86SK240B -- USGS No. MR 7269
Locality: Field No. 86SK240B
Description: Howard Pass B-4. Lat. 68o 19'52" N., Long. 158o 16'23" W. Gray and buff chert, interbedded with siliceous argillite; at base of exposed section. Lithology and fauna appear transistional between those of units lPMk and JlPe. (description from Dover et al., 2004, p. 62 (Table 2))
Location: Alaska Quadrangle: Howard Pass B-4
Lat.: 68o19'52 " Long.: 158o16'23 "
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: Chesterian-Morrowan (Late Mississippian-Early Pennsylvanian (Chesterian - Morrowan))
Formation: Etivluk Group; Kuna Formation (Etivluk Group (or Kuna Formation))
Comment:Age: Late Mississippian-Early Pennsylvanian (Chesterian-Morrowan).

Shown as locality 115 on Sheet 2; map unit: JlPe (or lPMk)

Occurrence(s)
No. Group Name Qty Notes
1 Radiolarian Scharfenbergia tailleurense group Holdsworth and Murchey Sample identified by B. Murchey, USGS