Sample Detail of
Sample: Sample No. 92ADo83B -- USGS No. DR 1463
Locality: Field No. 92ADo83B
Description: Howard Pass B-5. Lat. 68o 22'23" N., Long. 158o 47'2.4" W. Medium-gray-gray and grayish-green chert, near rubble of red and brown argillite. (description from Dover et al., 2004, p. 60 (Table 2)); [Formation: Pennsylvanian-Triassic -- In Ipnavik sequence? USGS Howard Pass 1:250,000 B5 quadrangle, T. 12 S., R. 29 W., sec. 30; flat summit area 1 mi east of Primus Creek, measured from a point on Primus Creek approximatley 2 mi above its mouth. Approximate same locality as 92ADo831 and 92ADo83E2. Lat 68°22'24", long 157°47'00". (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: 30
Lat.: 68o22'23 " Long.: 158o47'02.4 "
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 (Late Triassic (Carnian or Norian))
Formation: Imnaitchiak Chert
Comment:Age: Late Triassic (Carnian or Norian)

Shown as locality 94 on Sheet 2; map unit: JlPip

Occurrence(s)
No. Group Name Qty Notes
1 Radiolarian Poorly preserved forms including Capnuchosphaera sp. (individual primary spines and broken shells) radiolarians identified by C.D. Blome and K.M. Reed
2 Radiolarian Pseudoheliodiscus sp. (small fragments of cortical outer ring)

Title: Report on Referred Fossils ,  1993 (06/23)
Report by: Charles D. Blome , Katherine M. Reed
Referred by: J. H. Dover
Age: Carnian-Norian (:ate Triassic (Carnian or Norian))
Comment:Age: Late Triassic (Carnian or Norian)
Occurrence(s)
No. Group Name Qty Notes
1 Radiolarian Poorly preserved forms including:
2 Radiolarian Capnuchosphaera sp. (individual primary spines and broken shells)
3 Radiolarian ?Pseudoheliodiscus sp. (small fragments of cortical outer ring)