Field Notebook: Ontario 1911, 1912
Page 39
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Transcription
to be seen in the Jolly Cut quarries. Be then orent to the top of the hill by the steps beside the elevator at the head of Bent Creek and about a half mile a low to the another creek to the large quarry on each side of the Jolly Cut road. Beginning at the top of the "mountain" we found 54 feet of Lorel [illegible] divisible as follows:- Thin bedded cherty dolomites used for road metal and apparently the basal beds of Grants Barton beds that furnish the sponges. Thickness 12 feet. Then 12 feet of thin bedded dark more or less littuminous dolomites, followed by a shaly and dolomitie gneiss 10 feet thickness. Then a single more or less caramous dolomite layer with 6 feet of thin bedded dark dolomites. 4 feet thick, A break. These dolomites rest directly upon 8 feet of greenish-grey then bedded and more or less shaly Medford sandstone. Near the center of this division is a gneiss from 18th