Sample Detail of
Sample: Sample No. 78AMM016A -- USGS No. 9987-SD
Locality: Field No. 78AMM016A
Description: Alaska, Survey Pass D-6 quad.; T. 30 N., R. 14 E.; 67o 58 min. 56 sec. N., 155o 45 min. 03 sec. W.; rubble at about 4220 ft., 2 m below knob and 20 m above center of saddle; interbedded brown weathering calcareous sandstone and shale. Collector: M. Mullen, 1978.
Location: Alaska Quadrangle: Survey Pass D-6
Township&Range: T30N R14E
Lat.: 67o58'56 " Long.: 155o45'03 "
Reference
Title: Report on Referred Fossils ,  1979 (03/01)
This single collection is from a shelly layer composed almost entirely of brachiopods. The occurrence together of CYRTOSPIRIFER and SINOTECTIROSTRUM sp. indicates a Late Devonian (Famennian) age.
Report by: J. Thomas Dutro , Jr.
Referred by: Donald Grybeck
Age: Famennian
Occurrence(s)
No. Group Name Qty Notes
1 Echinoderms echinoderm debris, indet.
2 Bryozoans bryozoan fragments, indet.
3 Brachiopods Sinotectirostrum sp.
4 Brachiopods Cyrtospirifer sp.