Mineral Industries and Geology of Certain Areas - Vermont Agency ...

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CONTENTS. 4 1NTRODFCTION 5 SKETCH OF THE LIFE OF ZADOCK THOMPSON, G. H. Perkins ----------------- 7 LIST OF OFFICIAL REPORTS ON VERMONT GEOLOGY ----------------- -- -- ----- 14 LIST OF OTHER PUBLICATIONS ON VERMONT GEOLOGY ------- - ---------- ----- 19 SKETCH OF THE LIFE OF AUGUSTUS WING, H. M. Seely -------------------- -- 22 REPORT ON MINERAL INDUSTRIES, G. H. Perkins ............................ 35 Metallic Products ------------------------------------------------------ 32 Useful Minerals ------------------------------------------------------- 35 Building and Ornamental Stone ----------------------------------------- 40 THE GRANITE AREA OF BAItRE, G. I. Finlay------------------------------ --- 46 Topography and Surface Geology ------------------------------------ - -- 46 General Geology, Petrography of the Schists -------------------------- - -- 48 Description and Petrography of Granite Areas ----------------------------51 THE TERRANES OF ORANGE COUNTY, VERMONT, C. H. Richardson ------------ 6i Topography---------------------------- -............................. 6z Chemistry ------------------------------------------------------------66 PG K Geology -------------------------------------------------------------- 74 Huronian ------------------------------------------------------------- 74 Slate -----------------------------------------------------------------77 Bradford Schist ------- ------------------------------------------ ----- Si Washington Limestone .......................................... -...... 84 Eruptives in the Washington Limestone ---------------------------------90 Palaeontology........................................ -............... 94 Biblidgraphy ----------------------------------------------------------98 THE GEOLOGY OF GRAND ISLE, G. H. Perkins ............................. 102 Rockwell Bay --------------------------------------------------------- ii TahieBay ------------------------------------------------------------ 117 SawyerBay ----------------------------------------------------------- itS ChippenBay .......................................................... 119 BarnesBay ----------------------------------------------------- ------ 520 '0 McBrideBay ..................... .................................... 122 BeachBay ------------------------------------------------------------ 124 Providence Island ----------------------------------------------------- 139 Summary of the Formations -------------------------------------------- 143 Sponges of the Chazy, H. M. Seely-------------------------------------- 151 Dikes .. ----------------------------------------------------------- 571 PETROGRAPHIC DESCRIPTION OF THE DIKES OF GRAND ISLE, H. W. Shimer. 174 III
LIST OF PLATES. L TO FACE CAGE Fortrait of Zadock Thompson, from the American Geologist. . .................. 7 Portrait of Augustus Wing, from the American Geologist...................... 2 2 Plate I. Ely Mine, Copperfield, from The Vermonter......................... 34 Plate II. Waste Dump at Ely Mine, from The Vermonter. .................... 35 Plate III. Belvidere Mountain from the south -------------------------------- 36 Plate IV. Map of Barre Granite Area, Drawn by G. I. Finlay ................. 46 Plate V. Millstone Hill, Barre, G. I. Finlay, Photo. •. ...................... 47 Plate VI. Dike in Schist, Barre, G. I. Finlay, Photo .......................... 50 Plate VII. Schist Inclusion in Granite, Barre, G. I. Finlay, Photo ........... .. 51 Plate VIII. Contact, Granite and Schist, Barre, G. I. Finlay, Photo ............ 52 Plate IX. Geological Map of Orange County, C. H. Richardson................ 6o Plate IXA. Smaller Map of Orange and Washington Counties .................. 6i Plate X. Queechee Gulf, from The Vermonter................................ 62 Plate XI. Schist Hill, Chelsea, C. H. Richardson, Photo ..................... 63 Plate XII. Hill of Washington Limestone, C. H. Richardson, Photo........... 64 Plate XHI. Granite Boulder, Washington, C. H. Richardson, Photo ----------- 6 Plate XIV. Geological Sections across Washington and Orange Counties, C . H. Richardson ....................................................... 75 Plate XV. Slate Quarry, Northfield, C. H. Richardson, Photo ................. 78 Plate XVI. Lake Morey, Fairlee, C?H. Richardson, Photo.................... 79 Plate XVII. Glen Falls, Fairlee, C. H. Richardson, Photo.................... So Plate XVIII. Outcrop of Washington Limestone, C. H. Richardson, Photo. .... 85 Plate XIX. Quarry of Washington Limestone, C. H. Richardson, Photo........ 86 Plate XX. Pieces of Washington Limestone, C. H. Richardson, Photo......... 87 Plate XXI. Blue Mountain Granite Quarry, Ryegate, C. H. Richardson, Photo. 91 Plate XXII. Mount Ascutney and Windsor, from The Vermonter.......... 92 Plate XXIII. Slab of Slate with Graptolites, Drawn by C. H. Richardson ...... 96 Geological Map of Grand Isle, G. H. Perkins ................................ 102 Plate XXIV. Clay Bank, Balls Bay, from The Vermonter. -------------------- 111 Plate XXV. Glaciated Outcrop of Black River Limestone, G. W. Perry, Photo.. 112 Plate XXVI. Synclinal Beds of Trenton Limestone, G. W. Perry, Photo ........ 513 Plate XXVII. Cliff of Utica Shale, G. W. Perry, Photo....................... 114 Plate XXVIII. Horizontal Trenton Beds, G. H. Perkins, Photo............... Plate XXIX. Rockwell Bay, G. W. Perry, Photo ............................. '15 Plate XXX. Chary Cliffs, Rockwell Bay, G. \V. Perry, Photo ................. Plate XXXI. Dike with Calcite Vein, G. H. Perkins, Photo .................. a 16 Plate XXXII. Table Bay, G. W. Perry, Photo............................... 117 Plate XXXIII, Black River Outcrop, Tahie Bay, G. H. Perkins, Photo ........ 117 Plate XXXIV. Cliff, Black River, G. Fl. Perkins, Photo ...................... itS Plate XXXV. Black River C1i6 Sawyer Point, G. H. Perkins, Photo .......... 118
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