Sample Detail of
Sample: Sample No. 92ARm73B -- USGS No. DR 1492
Locality: Field No. 92ARm73B
Description: Howard Pass B-3. Lat. 68o 23'56" N., Long. 157o 27'15" W. Dark-greenish-gray chert containing radiolarians, beneath Memorial Creek volcanic rocks. (description from Dover et al., 2004, p. 63 (Table 2)); [Formation: Mississippian-Triassic -- Unit unknown, below Memorial Cr. volcanics. USGS Howard Pass 1:250,000 B3 quadrangle, T. 12 S., R. 24 W., sec. 14; north side of Memorial Creek where it bends upstream toward the northwest and 0.75 mi south of hill 875. Lat 68°24'00", 157°27'10". (description from Blome and Reed E&R report dated June 23, 1993; Shipment no. A-92-9D)]
Location: Alaska Quadrangle: Howard Pass B-3
Township&Range: 12 S. 24 W. Section: 14
Lat.: 68o23'56 " Long.: 157o27'15 "
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 (late or Carnian or early Norian))
Formation: Unnamed (Basalt (Jurassic? to Devonian?))
Comment:Age: Late Triassic (late Carnian or early Norian)

Shown as locality 141 on Sheet 2; map unit: JDbc

Occurrence(s)
No. Group Name Qty Notes
1 Radiolarian Poorly preserved casts including ?Acanthocircus sp. ..... radiolarians identified by C.D. Blome and K.M. Reed
2 Radiolarian ..... or ?Pseudoheliodiscus sp. (cortical ring fragments)
3 Radiolarian ?Capnodoce sp. (broken inflated primary spines)
4 Radiolarian Capnuchosphaera sp. (tumidaspines only)
5 Radiolarian ?Corum sp.
6 Radiolarian Pachus sp.
7 Radiolarian ?Pseudostylosphaera sp. (partial test)

Title: Report on Referred Fossils ,  1993 (06/23)
Report by: Charles D. Blome , Katherine M. Reed
Referred by: J. H. Dover
Age: Carnian-Norian (Late Triassic (late Carnian or early Norian))
Formation: Unknown (Unit unknown, below Memorial Creek volcanics)
Comment:Age: Late Triassic (late Carnian or early Norian)
Occurrence(s)
No. Group Name Qty Notes
1 Radiolarian Poorly preserved casts including:
2 Radiolarian ?Acanthocircus sp......
3 Radiolarian ...or ?Pseudoheliodiscus sp. (cortical ring fragments)
4 Radiolarian ?Capnodoce sp.
5 Radiolarian Capnuchosphaera sp. (tumidaspines only)
6 Radiolarian ?Corum sp.
7 Radiolarian Pachus sp.
8 Radiolarian ?Pseudostylosphaera sp. (partial test)