of
Sample: Sample No. 57AL99 -- USGS No. Mesozoic loc. 27329
Locality: Field No. 57AL99
Description: Admiralty Island, Sitka B-1, 9.92, 6.63, dk. gray med. bedded limestone weathers lt. gray, about 90' thick, silty at base, apparently overlies Permian congl. the contact covered. Probably Jurassic (description from transmittal sheet of E.H. Lathram dated 10/17/57) [Admiralty Island, Sitka (B-1) quad. Coordinates 9.92, 6.63; dark gray med. bedded limestone about 90 feet thick, silty at base; apparently overlies Permian conglomerate, contact covered (description from Imlay E&R report of 4/14/59)]
Location: Alaska Quadrangle: Sitka B-1
Reference
Title: Report on Referred Fossils ,  1959 (04/14)
Report by: Ralph W. Imlay
Referred by: E. H. Lathram
Age: Late Paleozoic-Cenozoic
Comment:Localites 57AL99 and 99b could be of any age as old as Late Paleozoic. However, the Ostrea at these localities is identical with a species collected by E.M. Kindle at Pybus Bay (Mes. loc. 3310)(See Martin, 1926, USGS Bull. 776, p. 378) from 45 feet of limestone underlying beds containing Buchia piochii (Gabb) (Mes. loc. 3309). Now Mes. loc. 3310 contains a large pelecypod that possibly belongs to the genus Trichites. This genus occurs mostly in the Jurassic and Cretaceous but, according to Norman Silberling, occurs also in the Upper Triassic of Nevada.
Occurrence(s)
No. Group Name Qty Notes
1 Bivalves Ostrea sp.
2 Crinoids crinoid fragments