Sample Detail of
Sample: Sample No. 92ARm25A -- USGS No. DR 1487
Locality: Field No. 92ARm25A
Description: Howard Pass B-5. Lat. 68o 22'55" N., Long. 158o 38'20" W. Radiolarian chert that may be part of a tectonic melagne or major fault zone. (description from Dover et al., 2004, p. 61 (Table 2)); [Formation: Unknown -- occur in structurally disrupted zone below Sinniktaneyak ophiolite. USGS Howard Pass 1:250,000 B5 quadrangle, T. 12 S., R. 29 W., sec. 23; in stream cut on north side of Urvaksak Creek, approx. 4.5 mi upstream from Desperation Lake. Lat 68°22'58", long 158°38'20". (description from Blome and Reed E&R report dated June 23, 1993; Shipment no. A-92-9D)]
Location: Alaska Quadrangle: Howard Pass B-5
Township&Range: 12 S. 29 W. Section: 23
Lat.: 68o22'55 " Long.: 158o38'20 "
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 or younger)
Formation: Unnamed (Basalt (Jurassic? to Devonian?))
Comment:Age: Triassic or younger.

Shown as locality 96 on Sheet 2; map unit: JDbc

Occurrence(s)
No. Group Name Qty Notes
1 Radiolarian Poorly preserved and unidentifiable recrystallized casts of nasellarians. radiolarians identified by C.D. Blome and K.M. Reed

Title: Report on Referred Fossils ,  1993 (06/23)
Report by: Charles D. Blome , Katherine M. Reed
Referred by: J. H. Dover
Age: Triassic-Cenozoic (Triassic or younger)
Formation: Unknown
Comment:Age: Triassic or younger.
Occurrence(s)
No. Group Name Qty Notes
1 Radiolarian Poorly preserved and unidentifiable recrystallized cast of nassellarians
2 No sponge spicules