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Dale T.N.

Photos 1 to 25 of 94.
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1. dtn00005.gif The "Hopper" in the Greylock mass, from Deer Hill, looking across the strike, on the left, Mount Prospect, on the right, in distance, Mount Greylock, in front of it Bald Mountain or "Stony ledge", a ravine of erosion. Berkshire County, Massachusetts. 1900. Plate 11 in U.S. Geological Survey. Bulletin 272. 1905. ID. Dale, T.N.   5
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2. dtn00037.gif Falls of the Poesten Kill, near Barberville, on the western edge of the plateau, the stream is cutting the limb of an anticline of grit and shale. Rensselaer County, New York. 1900. Plate 9-A in U.S. Geological Survey. Bulletin 272. 1905. ID. Dale, T.N.  37
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3. dtn00050.gif The Vermont valley, illustrating the erosion of both the schist range and quartzite range, looking N. 30 degrees E. down Lye Brook Hollow from "the Burning" on the Green Mountain range, 3.12 miles south-southeast of Manchester, with the Green Mountain Range on the right and the Taconic Range on the left. The nearer mass is Green Peak, the distant one is Dorset Mountain, in foreground, shattered ledge of Cambrian quartzite, the large block at left being about 4 by 15 feet in size. Bennington County, Vermont. 1900. Plate 4 in U.S. Geological Survey. Bulletin 272. 1905. ID. Dale, T.N.  50
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4. dtn00051.gif The Vermont valley, illustrating the erosion of both the schist range and quartzite range, looking N. 30 degrees E. down Lye Brook Hollow from "the Burning" on the Green Mountain range, 3.12 miles south-southeast of Manchester, with the Green Mountain Range on the right and the Taconic Range on the left. The nearer mass is Green Peak, the distant one is Dorset Mountain, in foreground, shattered ledge of Cambrian quartzite, the large block at left being about 4 by 15 feet in size. Bennington County, Vermont. 1900. Plate 4 in U.S. Geological Survey. Bulletin 272. 1905. ID. Dale, T.N.  51
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5. dtn00058.gif Contact of Pre-Cambrian gneiss and Cambrian quartzite, southwest side of the Dome, 2,200-foot contour, Green Mountain Range, Pownal, Bennington County, Vermont. Looking east northeast. A bed of muscovite schist, one foot thick, partly eroded separates the two rocks. Head of sledge rests on gneiss. Circa 1895. Plate 4 in US Geological Survey Bulletin 195. 1901. ID. Dale, T.N.  58
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6. dtn00072.gif Slate syncline at West Pawlet, Rising and Nelson's sea-green slate quarry No. 2, seen looking north, showing an eroded inclined syncline. The discoloration of the dip-joint face below is due to ferruginous water exuding at the bed plane; depth about 100 feet. Rutland County, Vermont. 1900. Plate 25 in U.S. Geological Survey. Bulletin 275. 1906. ID. Dale, T.N.  72
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7. dtn00081.gif Syncline of black and gray banded slate at West Castleton, showing the effect of erosion upon the more calcareous beds. Cleavage dips 30 degrees to right or east. Rutland County, Vermont. 1900. Plate 3 in U.S. Geological Survey. Bulletin 275. 1906. ID. Dale, T.N.  81
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8. dtn00082.gif Syncline of black and gray banded slate at West Castleton, showing the effect of erosion upon the more calcareous beds. Cleavage dips 30 degrees to right or east. Rutland County, Vermont. 1900. Plate 3 in U.S. Geological Survey. Bulletin 275. 1906. ID. Dale, T.N.  82
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9. dtn00086.gif Quartzite beds in overturned folds of slate, area (is 3.5 by 4.5 feet) of joint face of slate syncline in photos 81 and 82 showing 4 small beds of quartzite in overturned folds with axes dipping in the direction of the cleavage. At left is a quartz vein in the cleavage; scale 4 inches Rutland County, Vermont. 1900. Plate 5-A in U.S. Geological Survey. Bulletin 275. 1906. ID. Dale, T.N.  86
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10. dtn00096.gif Cleavage banding; shales partly altered to schist in Rupert, Vermont near Hebron, New York, line showing bands of fine cleft rock alternating with bands of uncleft rock, dipping 80 degrees across the bedding foliation which is visible at several points and dips at a low angle. The cleavage is slip cleavage. Lower block in foreground has three uncleft and two cleft bands. Sledge handle is 30 inches long. Bennington County, Vermont. 1900. Plate 11-B in U.S. Geological Survey. Bulletin 275. 1906. ID. Dale, T.N.  96
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11. dtn00101.gif Quartz veins in slate; quartz vein of segregation crossing the cleavage of greenish slate at Jamesville. Sledge handle is 30 inches long. Onondaga County, New York. 1900. Plate 5-B in U.S. Geological Survey. Bulletin 275. 1906. Plate 5-A in U.S. Geological Survey. Bulletin 586. 1914. Plate 6 in U.S. Geological Survey. Bulletin 1109. 1960. ID. Dale, T.N. 101
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12. dtn00106.gif Bed of sandstone resting on slate; horizontal bed of sandstone with calcareous concretions having their longer axes parallel to the bedding overlying greenish slate with cleavage dipping 20 degrees and joints 45 degrees. An irregular cleavage continues in the sandstone. One foot of sledge is in the sight. Eddy Hill, Fair Haven, Rutland County, Vermont. 1900. Plate 2-B in U.S. Geological Survey. Bulletin 275. 1906. ID. Dale, T.N. 106
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13. dtn00112.gif Red slate with bed of limestone and green slate; block of reddish slate from 1.5 miles south of Hatch Hill, Whitehall, with bed of limestone bordered by green and purple slate, making a "ribbon," an inch in vertical thickness, crossing the cleavage diagonally scale on rule is 4 inches long. Washington County, New York. 1900. Plate 2-A in U.S. Geological Survey. Bulletin 275. 1906. ID. Dale, T.N. 112
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14. dtn00121.gif Pinched fold in white marble. Hammer, 21 inches long. the lower part of the block consists of impure dolomite. Quarry dumps seven-eights of a mile west of the Owl's Head, Bennington County, Vermont. Circa 1895. Plate 1B in US Geological Survey Bulletin 195. 1901 ID. Dale, T.N. 121
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15. dtn00129.gif Glacial boulder of quartzite resting on marble, west foot of Taconic Range, 1.75 miles southwest of Pittsford village, looking south. Rutland County, Vermont. 1900. Plate 8-A in U.S. Geological Survey. Bulletin 272. 1905. ID. Dale, T.N. 129
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16. dtn00131.gif Overturned snycline of Cambrian schist, 50 feet east of overthrust; top of Boardman Hill, Claredon, Rutland County, Vermont. Circa 1895. Plate 3 in US Geological Survey Bulletin 195. 1901. ID. Dale, T.N. 131
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17. dtn00133.gif Overturned syncline of Cambrian quartzite adjacent to an overthrust; top of Boardman Hill, Claredon, Rutland County, Vermont. Circa 1895. Plate 2 in US Geological Survey Bulletin 195. 1901. ID. Dale, T.N. 133
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18. dtn00137.gif Glacial furrow in white marble, 2 miles west-northwest of Pittsford; the marble is in close, erect folds N. 20 degrees W. The course of the furrow is S. 20 degrees E. On the marble are 20 feet of clays probably deposited by a glacial lake. Rutland County, Vermont. 1900. Plate 8-B in U.S. Geological Survey. Bulletin 272. 1905. ID. Dale, T.N. 137
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19. dtn00139.gif "The Gorge" in Pittsford, near the Chittenden line, taking looking N. 20 degrees E., the cut is in quartzite and is attributed to a fault. Rutland County, Vermont. 1900. Plate 9-B in U.S. Geological Survey. Bulletin 272. 1905. ID. Dale, T.N. 139
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20. dtn00147.gif Elongated quartzite Fold from Hillock at west end of Main Street, Williamstown, Berkkshire County, Massachusetts. Circa 1895. Plate 1A in US Geological Survey Bulletin 195. 1901. ID. Dale, T.N. 147
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21. dtn00148.gif The offset in the Green Mountain range, from Williamstown, looking east, in the upper half of the mass the lines dipping gently to the south are the sides of pitching folds of quartzite, which pass under the limestone valley. The horizontal bench is a glacial lake terrace resting on a moraine. Berkshire County, Massachusetts.1900. Plate 6-A in U.S. Geological Survey. Bulletin 272. 1905. ID. Dale, T.N. 148
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22. dtn0157a.gif White rocks on the Green Mountain range in Wallingford; looking south along the strike, the rock is quartzite. Rutland County, Vermont. 1900. Plate 12-A in U.S. Geological Survey. Bulletin 272. 1905. ID. Dale, T.N. 157a
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23. dtn00160.gif Eureka slate quarry near Slatington, north part seen looking east, showing an eroded northward-inclined close syncline crossed by cleavage and curved joints, and overlain by glacial deposits. The cleavage with the syncline appears to be curved also. Lehigh County, Pennsylvania. 1900. Plate 18 in U.S. Geological Survey. Bulletin 275. 1906. ID. Dale, T.N. 160
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24. dtn00161.gif Blue Mountain slate quarry near Slatington, seen looking east, showing the character of the syncline and the bending over southward of the cleavage at the surface, probably due to the friction and weight of the glacier. Lehigh County, Pennsylvania. 1900. Plate 17 in U.S. Geological Survey. Bulletin 275. 1906. ID. Dale, T.N. 161
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25. dtn00163.gif Slate quarry near Slatington, seen looking west, showing workmen engaged in clearing a "ribboned" slate from the surface of thick workable bed. Lehigh County, Pennsylvania. 1900. Plate 19 in U.S. Geological Survey. Bulletin 275. 1906. ID. Dale, T.N. 163
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