Sample Detail of
Sample: Sample No. 92AD51E -- USGS No. DR 1521
Locality: Field No. 92AD51E
Description: Howard Pass C-5. Lat. 68o 44'50" N., Long. 158o 55'20" W. White-weathering, gray chert, 1 m below(?) mafic sill. In thin section, chert is fine-grained and pale gray, with 5-25 percent radiolarians; tests chiefly filled with chalcedony or, less commonly, opaque material. (description from Dover et al., 2004, p. 51 (Table 2)); [Formation: Possible Otuk facies -- Triassic Pc. USGS Howard Pass 1:250,000 C5 quadrangle, T. 8 S., R. 30 W., sec. 19; NE side of NE-trending rise at elevation 740 m; approx. 2.0 mi west of Jubilee Creek and 3.0 mi north of confluence of Jubilee and Rampart Creeks; same locality as 92AD51I. Lat 68°44'50", long 158°55'30". (description from Blome and Reed E&R report dated June 23, 1993; Shipment no. A-92-9D)]
Location: Alaska Quadrangle: Howard Pass C-5
Township&Range: 8 S. 30 W. Section: 19
Lat.: 68o44'50 " Long.: 158o55'20 "
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: Meramecian-Chesterian (Mississippian (Meramecian - Chesterian))
Formation: Lisburne Group (Rim Butte unit of Lisburne Group of Dumoulin and others (1993) (Mississippian))
Comment:Age: Mississippian (Meramecian to Chesterian).

Shown as loclaity 1 on Sheet 2; map unit Mlri

Occurrence(s)
No. Group Name Qty Notes
1 Radiolarian Poorly preserved forms including Albaillella sp. aff. A. cartalla (fragments only) radiolarians identified by C.D. Blome and K.M. Reed
2 Radiolarian Belowea sp.
3 Radiolarian Scharfenbergia concentrica
4 Radiolarian Scharfenbergia sp. aff. S. ruestae

Title: Report on Referred Fossils ,  1993 (06/23)
Report by: Charles D. Blome , Katherine M. Reed
Referred by: J. H. Dover
Age: Meramecian-Chesterian (Mississippian (Meramecian to Chesterian))
Formation: Otuk Formation (possible Otuk Formation facies)
Comment:Age: Mississippian (Meramecian to Chesterian)
Occurrence(s)
No. Group Name Qty Notes
1 Radiolarian Poorly preserved forms including;
2 Radiolarian Albaillella sp. aff. A. cartalla (fragments only)
3 Radiolarian Belowea sp.
4 Radiolarian Scharfenbergia concentrica
5 Radiolarian Scharfenbergia sp. aff. S. ruestae