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Reference
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| Title: |
Memorandum to Mr. J.B. Mertie, Jr.
,
1942
(02/03)
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Memorandum to Mr. J.B. Mertie, Jr.:
(Through Dr. J.B. Reeside, Jr., and the Chief Geologist) Two collections of fossil plants have been examined from the Porcupine River at Graphite Point, 23.6 miles downstream from the mouth of the Coleen River. Charles B. Read
Geologist [Note by R.B. Blodgett: memorandum found on p. 2886 of Alaskan Fossil Reports, v. 12 (1935-1947), kept in Tech. Data Archives office in Anchorage, Alaska--Request for Examination of Fossils form on p. 2884, Localities of Fossil Plants on p. 2885] |
| Report by: |
Charles B. Read
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| Referred by: |
J. B. Mertie
, Jr.
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| | Age: | Early Carboniferous |
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| Comment: | In both collections the materials are fragmentary. Identification and age assignment of the containing rocks are therefore difficult. My opinion is that the plants are lower Carboniferous or Mississippian in age. The Lepidodendropsis sp., Lepidostrobus sp., and Sphenopteridium sp. are forms very similar to ones known from lower Carboniferous strata in Bear Island. These have been described in the following publications: Heer, Oswald, Fossile Flora der Baeren Insel: K. svenska vetensk. akad. Handl., Bandet 9, no. 5, pp. 1-49, pls. 1-15, 1871. Nathorst, A.G., Zur fossilen Flora der Polarlaender. Theil 1, K. svenska vetensk. akad. Handl. Bandet 26, no. 4, pp. 1-80, pls. 1-16, 1894. |
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