REPORT

OF THE

STATE GEOLOGIST

ON THE

Mineral Industries and Geology of Certain Areas

OF

VERMONT.

1907-1908.

SIXTH OF THIS SERIES.

GEORGE H. PERKINS, Ph. D.

State Geologist and Professor of Geology, University of Vermont.

CONCORD, N. H.

RUMFORD PRINTING COMPANY

1908

222568

THE GRANITES OF VERMONT, PROFESSOR T. N. DALE..

58

FOSSIL CETACEA OF THE PLEISTOCENE, G. H. PERKINS.

76

SHORE LINES IN NORTHWESTERN VERMONT, H. E. MERWIN..

113

GEOLOGY OF THE HANOVER QUADRANGLE, PROFESSOR C. H. HITCHCOCK...

139

STELLAE AND RHABDOLITHS, PROFESSOR H. M. SEELY.

187

REPORT ON THE GEOLOGY OF FRANKLIN COUNTY, G. H. PERKINS..

189

GEOLOGY OF THE TOWN OF SWANTON, G. E. EDSON.

210

REPORT ON THE GEOLOGY OF CHITTENDEN COUNTY, G. H. PERKINS..

221

GEOLOGY OF NEWPORT, TROY AND COVENTRY, PROFESSOR C. H. RICHARDSON 265

LIST OF PLATES.

I. Mill of Rutland-Florence Marble Company, Fowler..

II.

Interior of Rutland-Florence Company's Mill.....

III. Florentine Blue Marble Quarry, Rutland-Florence Company.

IV. Pittsford Italian Quarry, Rutland-Florence Company...

V. Blue Rutland Marble, Showing Maclurea magna...

VI.

Glaciated Limestone, Fisk Quarry.

VII. Clay Bank, Rutland Fire Clay Company.

VIII. Mills of Rutland Fire Clay Company.

IX. Storehouse and Clay Pile, Rutland Fire Clay Company.

X. Delphinapterus, Skeleton and Vertebrae, R. Wilkinson, Photo..

XI. Delphinapterus, Cranium, R. Wilkinson, Photo....

XII. Delphinapterus, Cranium, Cervicals, R. Wilkinson, Photo.

XIII. Delphinapterus, Hyoid, Teeth, H. F. Perkins, Photo..

XIV. Delphinapterus, Vertebrae, Ribs, R. Wilkinson, Photo..

XV. Delphinapterus, Sternum, Ribs, R. Wilkinson, Photo..

XVI. Delphinapterus, Periotic, R. Wilkinson, Photo..

XVII. Monodon, Vertebral Column, H. F. Perkins, Photo.

XVIII. Monodon, Dorsal Vertebrae, H. F. Perkins, Photo..

XIX. Monodon, Vertebrae, Dorsal Lumbar, Caudal...

XX. Monodon, Sternum, Periotic, H. F. Perkins, Photo..

XXI. Sketch Map of North Western Vermont, Drawn by H. E. Merwin

XXII. Terraces in Northfield and Stowe, Merwin.

PAGE.

8

ΙΟ

12

14

16

22

48

50

52

112

I 12

I12

II2

112

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II2

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112

II2

112

139

139

XXIII. Quarry in Green Schist, Hartford, H. H. Langill, Photo..

XXIV. Contorted Strata, Hartford, H. H. Langill, Photo...

XXIVa. Geological Sections, Griggs Mountain to Mount Finish, drawn

by C. H. Hitchcock....

146

148

158

XXV. Geological Map of the Hanover Quadrangle, drawn by C. H.

Hitchcock

160

XXVI. Contact of Amphibole and Mica Schist, H. H. Langill, Photo..

XXVII. Indurated Schists, Norwich, H. H. Langill, Photo....

XXVIII. Excavation in Till, Bragg's Brook, H. H. Langill, Photo..

XXIX. Excavation in Till, Centerville, H. H. Langill, Photo........

XXIXa. Map Showing Surface Geology, Hanover Quadrangle, drawn

by C. H. Hitchcock

162

164

166

168

178

XXX. Moraines of Recession, near Birch School House, Hartford,
H. H. Langill, Photo....

XXXI. Excavation in Esker, White River Junction, H. H. Langill,

Photo

XXXII. Vegetable Seams in Clay, Lebanon, H. H. Langill, Photo.....
XXXIII. Material of Terrace, Quechee Fells Farm, H. H. Langill,

Photo

XXXIV. Hartford Village on Terrace, H. H. Langill, Photo..
XXXV. End of Glacier and Sand Terrace, Dewey's Mills, H. H. Lan-
gill, Photo

XXXVI. Terrace Below Quechee Village, H. H. Langill, Photo..
XXXVII. Esker West of Quechee Village, H. H. Langill, Photo..
XXXVIII. Stellae and Rhabdoliths

XXXIX. Champlain Marble with Salterella, H. F. Perkins, Photo..
XL. Cambrian Cliffs, Malletts Bay, B. Barker,* Photo..
XLI. Marble Island, Cambrian, Malletts Bay, B. Barker,* Photo..
XLII. Cambrian Shale with Olenellus, H. F. Perkins, Photo..
XLIII. Rock Point, South Side..

XLIV. Rock Point, North Side, J. F. Kemp, Photo..
XLV. Lower Falls, Winooski River, H. F. Perkins, Photo.
XLVI. Winooski Gorge, Bend, L. K. Wiswell, Photo.
XLVII. Cambrian Cliff, Red Rocks, J. F. Kemp, Photo..
XLVIII. Beekmantown Limestone, East Side of Gorge, L. K. Wiswell,

Photo

XLIX. High Bridge, Cliffs of Beekmantown Limestone, R. S. Barstow
XLIXa. Map of West Charlotte, Drawn by Ezra Brainerd..

PAGE.

170

174

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188

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244

246 250

L. Beekmantown Limestone, Thompson's Point, B. Barker,* Photo.....
LI. Beekmantown Limestone, Buckwheat Bay, Thompson's Point, B.
Barker,* Photo

252

254

LII. Map of Dikes at Shelburne Point, drawn by J. F. Kemp..
LIII. Dike at Willard's Ledge, J. F. Kemp, Photo..

256

260

LIV. Geological Map of Part of Orleans County, drawn by C. F.
Richardson

265

LV. Boulder on Trenton Limestone, Irasburg, C. H. Richardson, Photo 268 LVI. Anticline in Sericite Schist, C. H. Richardson, Photo....

272

LVII. Outcrop of Waits River Limestone, Derby, C. H. Richardson,
Photo

274

LVIII. Granite Quarry, Derby, C. H. Richardson, Photo..

280

LIX. Contact of Diabase with Steatite, North Troy, C. H. Richardson,
Photo

284

*Negatives copyrighted by B. Barker, Burlington, Vt., reproduced by permission.