Field Notebook: Maine, Massachusetts, New Hampshire, New York, Ohio, Rhode Island, Ontario 1916, 1917, 1920
Page 31
Image from the Biodiversity Heritage Library. Contributed by Yale Peabody Museum of Natural History. | www.biodiversitylibrary.org
Transcription
HerKimer - Trenton Falls, Sep 3 - 1916 In the road-metal quarry at Herkimer we saw fine out- crop of the LaVillette and Black River (= Leray). The two formations rest on one another in "welded contact" (Hitchcock) Leray Black River = Leray, No faults of this contact. LaVillette ||| |' |' ||| ||| 200 yards out-1/2 of line 1 contact. Probably 27' thick Rest on Beekmantown. Lower At Trenton Falls, Contacted layer (Tectonic) Shearin bedded li. beds, one half above, The above is in the lower gone and there is but this one occurrence. Fifty feet higher in the base Upper Trenton the contactated beds are persistent and may be traced for two miles along their Canada creek. The gone is at times ten feet thick and the moved to crushed places were again and again. The beds above and below are normally horizontal. The Trenton is due, at least 268 feet thick. At the