Sample Detail of
Sample: Sample No. 86Tr2G -- USGS No. MR 7295
Locality: Field No. 86Tr2G
Description: Howard Pass C-5. Lat. 68o 41'53" N., Long. 158o 27'50" W. Top of uppermost chert interval at this locality; chert residue is black. (description from Dover et al., 2004, p. 64 (Table 2))
Location: Alaska Quadrangle: Howard Pass C-5
Lat.: 68o41'53 " Long.: 158o27'50 "
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: Late Triassic
Formation: Unnamed (Rocks of the Picnic Creek sequence, undivided (Lower Cretaceous (Neocomian) to Mississippian))
Comment:Age: Late Triassic

Shown as locality 157 on Sheet 2; map unit: KMp

Occurrence(s)
No. Group Name Qty Notes
1 Radiolarian Capnodoce ....... Sample identified by B. Murchey, USGS
2 Radiolarian ...... or Capnuchosphaera sp.
3 Radiolarian Nassellarians
4 Radiolarian Preservation = 2 on a scale of 1-5