Sample Detail of
Sample: Sample No. 91ANs13A -- USGS No. DR 1346
Locality: Field No. 91ANs13A
Description: Howard Pass B-4. Lat. 68o 21'05" N., Long. 158o 16'50" W. Sample from 4-cm-thick layer of gray chert in section of brown-weathering, sheared basalt. (description from Dover et al., 2004, p. 62 (Table 2))
Location: Alaska Quadrangle: Howard Pass B-4
Lat.: 68o21'05 " Long.: 158o16'50 "
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: Triassic (?Triassic)
Formation: Unnamed (Basalt (Jurassic? to Devonian?))
Comment:Age: ?Triassic

Shown as loclaity 110 on Sheet 2; map unit: JDbc

Occurrence(s)
No. Group Name Qty Notes
1 Radiolarian Poorly preserved spumellarians, recrystallized, several pyritized radiolarians identified by C.D. Blome and K.M. Reed
2 Radiolarian ?capnuchosphaerid primary spine (broken and poorly preserved; these distinct primary spines that belong in the radiolarian family Capnuchosphaeridae are hollow in their proximal parts, triradiate and sometimes twisting in their medial parts, and are solid and circular in axial section in their distal parts)
3 Conodonts ?conodont fragment (recrystallized and poorly preserved)