Alaska Paleontological Database

Sample Detail

Sample:	Sample No. 92ABS79A
Locality:	Field No. 92ABS79A
Description:	Howard Pass B-3. 66°24'28", 157°27'30". Bedded chert (96%) associated with 2% thinly-laminated (1 mm-thick), medium-gray, grayish-brown- to pale-brown-weathering, limestone with soft-sediment deformation and 2% basalt. Collected from possible fault slice of unknown limestone intercalated with Memorial Creek volcanics. Collected at -800 m elevation in saddle -1/2 mile due north of Memorial Creek and -5 miles due west of Ipnavik River center NW 1/4 sec. 14., T. 12 S., R. 24 W.
Location:	Alaska Quadrangle: Howard Pass B-3 Township&Range: 12 S, 24 W. Section: 14 Lat.: 66^o24^'28 ^" Long.: 157^o27^'30 ^"

Reference

Title:	Report on Referred Fossils , 1995 (03/17)
	Analysis of all samples is given in the accompanying 16-page table. The range of biostratigraphically important samples is shown on the accompanying diagram. The heavy-mineral concentrates were analyzed by Nancy Stamm; the residues have been returned to Julie Dumoulin. Please note a few (~4 samples have heavy-mineral concentrates that include chalcopyrite and bornite).
Report by:	Anita G. Harris
Referred by:	Julie A. Dumoulin , J. H. Dover


Age:	No Data
Formation:	Unnamed (Memorial Creek volcanics)





Comment:	5.1 kg rock processed (920 g +20 mesh and 116 g 20-1 40 mesh insoluble residue). Heavy-mineral concentrate: chiefly ferruginous phosphatized (?) dolomitized(?) amorphous flakes and minor dolomite(?).