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Niagara Falls Member Prepared in cooperation with the U.S. Environmental Protection Agency and the Department of Earth and Environmental Sciences of the University of Rochester AVAILABILITY OF BOOKS AND MAPS OF THE U.S. GEOLOGICAL SURVEY Instructions on ordering publications of the U.S. Geological Survey, along with prices of the last offerings, are given in the current-year issues of the monthly catalog "New Publications of the U.S. Geological Survey." Prices of available U.S. Geological Survey publications released prior to the current year are listed in the most recent annual "Price and Availability List." Publications that may be listed in various U.S. Geological Survey catalogs (see back inside cover) but not listed in the most recent annual "Price and Availability List" may be no longer available. Order U.S. Geological Survey publications by mail or over the counter from the offices given below. BY MAIL OVER THE COUNTER Books Books and Maps Professional Papers, Bulletins, Water-Supply Papers, Tech­ Books and maps of the U.S. Geological Survey are niques of Water-Resources Investigations, Circulars, publications available over the counter at the following U.S. Geological Survey of general interest (such as leaflets, pamphlets, booklets), single offices, all of which are authorized agents of the Superintendent of copies of Earthquakes & Volcanoes, Preliminary Determination of Documents: Epicenters, and some miscellaneous reports, including some of the foregoing series that have gone out of print at the Superintendent • ANCHORAGE, Alaska-Rm. 101, 4230 University Dr. of Documents, are obtainable by mail from • LAKEWOOD, Colorado-Federal Center, Bldg. 810 U.S. Geological Survey, Information Services • MENLO PARK, California-Bldg. 3, Rm. 3128, 345 Box 25286, Federal Center Middlefield Rd. Denver, CO 80225 • RESTON, Virginia-USGS National Center, Rm. 1C402, Subscriptions to periodicals (Earthquakes & Volcanoes and 12201 Sunrise Valley Dr. Preliminary Determination of Epicenters) can be obtained ONLY • SALT LAKE CITY, Utah-2222 West 2300 South, 2d floor from the • SPOKANE, Washington-U.S. Post Office Bldg., Rm. Superintendent of Documents 135, West 904 Riverside Ave. Government Printing Office • WASHINGTON, D.C.-Main Interior Bldg., Rm. 2650, Washington, D.C. 20402 18th and C Sts., NW. (Check or money order must be payable to Superintendent of Documents.) Maps Only Maps Maps may be purchased over the counter at the following For maps, address mail orders to U.S. Geological Survey offices: U.S. Geological Survey, Information Services Box 25286, Federal Center • ROLLA, Missouri-1400 Independence Rd. Denver, CO 80225 • STENNIS SPACE CENTER, Mississippi-Bldg. 3101 Revised Stratigraphy and Correlations of the Niagaran Provincial Series (Medina, Clinton, and Lockport Groups) in the Type Area of Western New York By Carlton E. Brett, Dorothy H. Tepper, William M. Goodman, Steven T. LoDuca, and Bea-Yeh Eckert U.S. GEOLOGICAL SURVEY BULLETIN 2086 Prepared in cooperation with the U.S. Environmental Protection Agency and the Department of Earth and Environmental Sciences of the University of Rochester UNITED STATES GOVERNMENT PRINTING OFFICE, WASHINGTON: 1995 U.S. DEPARTMENT OF THE INTERIOR BRUCE BABBITT, Secretary U.S. GEOLOGICAL SURVEY GORDON P. EATON, Director For sale by U.S. Geological Survey, Information Services Box 25286, Federal Center, Denver, CO 80225 Any use of trade, product, or firm names in this publication is for descriptive purposes only and does not imply endorsement by the U.S. Government. Published in the Eastern Region, Reston, Va. Library of Congress Cataloging in Publication Data Revised stratigraphy and correlations of the Niagaran Provincial Series (Medina, Clinton, and Lockport Groups) in the type area of western New York I by Carlton E. Brett ... [et al.]. p. em- (U.S. Geological Survey bulletin ; 2086) Includes bibliographical references. Supt. of Docs. no.: I 19.3:2086 1. Geology, Stratigraphic-Nomenclature-New York (State)-Niagara County Region. I. Brett, Carlton E. (Carlton Elliot) II. Series. QE75.B89 no. 2086 [QE645] 557.3 s---dc20 [551.7'009747] 95-10156 CIP CONTENTS Abstract ......................................................................................................................... Introduction . .. .. .. ... .. .. ... ....... .......... ... .. ............................... ... .. .. .. ...... 2 Purpose and Scope . .. ........ ... .. .. .......... ............................... .......... .. .. .. .. .. 2 Previous Work......................................................................................................... 4 Acknowledgments ................................................................................................... 7 Revised Stratigraphy and Correlations . .. ........ .. ... .. ..... .. .. ...... .. .. .. .. .... .. 8 Medina Group ......................................................................................................... 10 Whirlpool Sandstone ....................................................................................... 13 Power Glen Shale ............................................................................................ 17 Devils Hole Sandstone .................................................................................... 18 Grimsby Formation ......................................................................................... 19 Artpark Phosphate Bed ........................................................................... 20 Thorold Sandstone .......................................................................................... 21 Cambria Shale ................................................................................................. 22 Kodak Sandstone ............................................................................................ 23 Clinton Group ......................................................................................................... 24 Neahga Shale .................................................................................................. 27 Densmore Creek Phosphate Bed ............................................................. 29 Reynales Limestone ........................................................................................ 31 Hickory Comers Member ....................................................................... 33 Budd Road Phosphate Bed.............................................................. 33 Merritton Limestone ....................................................................................... 34 Williamson Shale ............................................................................................ 35 Second Creek Phosphate Bed ................................................................. 36 Rockway Dolomite ......................................................................................... 37 Salmon Creek Phosphate Bed ................................................................. 39 Irondequoit Limestone .................................................................................... 39 Rochester Shale ............................................................................................... 40 Lewiston Member ................................................................................... 41 Unit A .............................................................................................. 41 Unit B .............................................................................................. 41 Unit C .............................................................................................. 42 Unit D .............................................................................................. 42 Unit E .............................................................................................. 42 Burleigh Hill Member ............................................................................. 43 DeCew Dolomite ............................................................................................ 44 Lockport Group ....................................................................................................... 45 Gasport Dolomite ............................................................................................ 49 Gothic Hill Member ................................................................................ 50 Pekin Member ......................................................................................... 51 Goat Island Dolomite ...................................................................................... 52 Niagara Falls Member ............................................................................. 53 Unit A .............................................................................................. 53 Unit B .............................................................................................. 54 Ancaster Member .................................................................................... 54 Vinemount Member ................................................................................ 56 Eramosa Dolomite .......................................................................................... 57 III IV CONTENTS Unit A ..................................................................................................... 51 Unit B ...................................................................................................... 58 Unit C .....................................................................................................
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