Field Notebook: SD 1964
Page 43
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Transcription
8.) 2.7 Thinly interbedded sand w/ shels w/it plant frags on bedding plnes, shale is fissile dark gray, s/d weatus yellowish green. 9.) 1.3 Sand as in 7 below. 10.) 7.0 Chiefly shale, thinly interbedded or banded, minor sand. 11.) -- Gravel to top of bluff. Resume - (1) Fauna of bezel gray clayey sand (= Irish Creek lithofacies) in unit 7 - could be a lateral equiv. of the Idoncervs biotfacies of the Morceau, or it may be the equiv. of Mecta-Telling of the thick west-Morceau marine section. To get confirmation of latter would need to find lower fauna that could be related to Idoncerva. Worth a check N along Fivestee Cr. (2) Note 3 phases TL sand. A Unit (2) Massive marine B Units 3+4 Massive-Trevedia-Ostrea-Ophiowork C Unit (5) Bedded "" -Ophio. Note also B phase some is "Colgate" in butte Loc. 274! (3) Note Thick interbedding of SS with banded beds - this could easily be "upper Colgate" or transition laterally into it.