Report of the State Board of Geological Survey Volume 5

Report of the State Board of Geological Survey Volume 5

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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1905 edition. Excerpt: ...elevation of surface of white sand rock, here, is 552.00 above mean tide at New York. Mr. Dixon and I will ascertain the elevations of the successive outcrops of the Anderdon quarries. I believe I have found the point where the variation of dip begins. All I shall say just now is that I am obliged to admit an error in my former assertion that the sandstone (which is indeed "south of") is "superincumbent upon the Corniferous described in my paper." It is not superincumbent. This I now know. When, however, you become acquainted with the locality of the several outcrops, and note the very short distance in which the change of dip takes place, you will not be much surprised at my mistake. There still remains to be explained the presence of the gray dolomitesuperincumbent (in the Anderdon quarry) upon the Dundee (Corniferous) limestone. This gray rock is in no way to be mistaken for Hamilton. Very truly yours, THOMAS NATTRESS. 'Tests made by Mr. NtHtress and myself in ICO), (letter of July 13), prove this not to be dolomite, though not so pure calcium carbonate as layers below. I expect to have tbe matter treated more fully In the Wayne county report. A.OMPARISON OF THE FORMAT9ONS 9N MONROE.OUNTY, M9.H9GAN. AND ANUERDON TOWNSH9P, ESSEX.OUNTY, ONTAR9O.--'9n places cavernous" 3--"Ellipsoidal cavities" 3-'Peculiar stylolltes" 3--"Ellipsoidal concretions" 99--"Thin wavy carbonaceous Alms traverse the rocks" 2--"Between the strata are layers of a soft putty-like clay which hardens on exposure." 2--"Breccia" 2-"Sink holes wlih dlatn. of 8 to 9s, ft.. produced by solution of the dolo-mite." 92-"The individual strata have very rough sur-faces, covered with more

Product details

  • Paperback | 124 pages
  • 189 x 246 x 7mm | 236g
  • Miami Fl, United States
  • English
  • black & white illustrations
  • 1236588363
  • 9781236588364