Field Notebook: Wyoming
Page 62
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Transcription
that so dont so far then The balance of the consists of quartzites and bits of carbonates. At the base of the so called Ordovician Mr. Lundback found a layer full of Fenestella and a species which is proof positive that this layer is not Ordovician but probably a continuation of the Mediam limestone Since these strata offer to conformably under the Carbonic the question is if what age are those iron hills? The only fossils seen are broad Fucoids. Aug 99 Sunday Camp IX. After breakfast the Crowns took us to the Little Camp of the North Platte about 6 miles by road from this camp. Here a hill 400 feet high is thrown up with the strike east and west. The river has cut a narrow gorge 400 feet dep and about 200 feet away to the North. exposing about 200 feet of white to fallrock sand. They are apparently older than the Cret.