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McGrath A-4 & A-5 |
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| Referred by: |
Blodgett, Robert B.
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| Report prepared by: |
Lutke, Frithjof
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| Date: |
01/21/1981 |
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(note: Lutke's name has umlaut over u) Technische Hochschule Darmstadt
Geologisch-Palaontologisches Institut
Schnittspahnstrasse 9
D-6100 Darmstadt January 21th, 1981 To:
Dr. R.B. Blodgett, Dept. of Geology, Oregon State University, Corvallis/Oregon 97331 U.S.A. Dear Dr. Blodgett, The slides with dacryoconarids and tentaculities from mid-Eifelian beds in your dissertation area in Alaska have arrived in good condition. The preservation is not too good, often the shells are corroded or encrusted, some are broken so that the apex is missing. A definitive determination is therefore not possible - which is a pity because every good information on dacs from America would be valuable. The following may be said: (see faunal lists) There are no biostratigraphical indications that this material would be better than your conodonts or goniatites. Do you want the slides back or can they stay here for a while in case I need comparison with my Nevada material? Please give my regards to Dr. Boucot. Yours sincerely, Frithjof Lutke
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| User Note module to be added |
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79RB8
(10061-SD)
, Mc Grath
, Long. 155 deg. 09'23"W, Lat. 62 deg. 04'33"N. NE1/4, NW 1/4, NE1/4, NW1/4 sec. 21, T23N, R32W. Approximately 3.0 m (10 ft) thick silicified fossil horizon, the top of which is 101.5 m (333 ft) below the top of the Cheeneetnuk Limestone. (description from Rigby and Blodgett, 1983, p. 774)
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Striatostyliolina Boucek & Prantl, 1961 .....
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..... or Costulatostyliolina Lardeux, 1969
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79RB9
(10062-SD)
, Mc Grath
, Long. 155 deg. 09'23"W, Lat. 62 deg. 04'33"N. NE1/4, NW1/4, NE1/4, NW1/4 sec. 21, T23N, R32W. Silicified fossil horizon, approximately 3.0 m (10 ft) thick, the top of which is 81.7 m (268 m) below the top of the Cheeneetnuk Limestone. (description from Rigby and Blodgett, 1983, p. 774)
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Costulatostyliolina sp. (? n. sp.) (most)
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79RB11
(10095-SD)
, Mc Grath
, Long. 155 deg. 09'25"W, Lat. 62 deg.04'40"N. NE1/4, SW1/4, SE1/4, SW1/4 sec. 16, T23N, R32W. Silicified fossil horizon, 25.3 (83 ft) below the top of the Cheeneetnuk Limestone. (description from Rigby and Blodgett, 1983, p. 774)
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Costulatostyliolina sp. (some)
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79WG184
, Mc Grath
, Long. 154 deg. 53'40" W., Lat. 62 deg. 13'02" N. SE1/4 of SE1/4 of NE1/4 of NE1/4 of Sec. 31, T. 25 N., R. 30 W., McGrath A-4 quadrangle. (description from letter (dated August 25, 1980) from R.B. Blodgett to A.R. Ormiston).
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Tentaculites sp. (? n. sp.)
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