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Sample Detail
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Sample:
Sample No. 50AHa42 -- USGS No. Mesozoic loc. 22440
Locality:
Field No. 50AHa42
Description:
Tuxedni formation, middle siltstone member. Pt. A43 on Fitz Creek at mouth of Forky Creek, Iniskin Peninsula. (description from Imlay E&R report of Feb. 13, 1951; Shipment AF-50-33) [Transmittal sheet of Hartsock, dated Nov. 6, 1950 provides this description: "Ammonites. Pt. A43 on Fitz Cr. at mouth Forky Cr. May be middle siltstone member. 7/19/50"][Shown as locality 73 on Pl. 3 of Detterman and Hartsock, 1966]
Location:
Alaska Quadrangle:
Iliamna
D-1
Reference
Title:
Report on Referred Fossils
, 1951 (02/13)
Examination has been made of the collections obtained by J.K. Hartsock's party during the field season of 1950 on Iniskin Peninsula and the area between Chinitna Bay and Tuxedni Bay.
Report by:
Ralph W. Imlay
Referred by:
John K. Hartsock
,
Arthur Grantz
Age:
No Data
Formation:
Tuxedni Group
(Tuxedni formation, middle siltstone member)
Occurrence(s)
No.
Group
Name
Qty
Notes
1
Ammonoids
Stephanoceras sp.
2
Ammonoids
Chondroceras (Defonticeras) sp.
Title:
Geology of the Iniskin-Tuxedni Region, Alaska
, 1966
Report by:
Robert L. Detterman
,
John K. Hartsock
Age:
Bajocian
(middle Bajocian)
Formation:
Fitz Creek Siltstone
Comment:
Geographic location: Fitz Creek area
Map reference (pl. 3): 73
Stratigraphic position below top of formation (ft): 300-400
all above data from Table 6, p. 32
Occurrence(s)
No.
Group
Name
Qty
Notes
1
Bivalves
Inoceramus sp.
2
Ammonoids
Chondroceras sp.
3
Ammonoids
Normannites (Itinsaites) variabilis Imlay