GEOLOGY OF THE CONNECTICUT VALLEY DISTRICT. 313 



Nearer the eastern edge the dip takes the direction of N. 62° W. The variations in 

 the dip, caused by the elevation of the Lyman group near its southern end and at J. 

 Clough's, have already been specified. The normal dip of N. 72° W. is apparent 300 

 feet west of the conglomerate. It is the same a little further on at the brook crossing 

 the road just west of J. Clough's. The western side of the basin is reached at G. A. 

 Wood's, the dip being 80° S, 55° E. Near the west border we have several positions 

 noted : West of Wood's, S. E. ; at W. S. Wood's, 85° N. 87° E. ; half a mile north, 

 south-easterly; at A. Wood's, 75° S. 47° E., and also at other places along the same 

 north-east road. Occasionally along this route are a few feet thickness of schists inter- 

 stratified with the slates ; and a vein of auriferous quartz in the shelly strata near A. 

 Wood's. 



As soon as we cross the Bath line into Lyman the slates greatly diminish in amount, 

 owing to the elevation of the underlying strata. Continuing north-east from the house 

 of A. Wood, we find at J. M. Moulton's (county map) a shelly mass about 85° S. 50° 

 E. Just west of L. Whiting's there is a remnant of the slate with a north-east strike, 

 separated from the main mass. Bands of it weather dark, and carry crystals of pyrites. 

 At A — 20 and A — 21, on the town line, the position varies from 85° S. 42° E. to 90°. 

 The position is much like this all over the western corner of the specially-surveyed 

 area west of the conglomerate, and it is on high land. The slates cover much ground 

 between J. Williams's and the great throw above P— 18. East of Williams's the dip 

 is 85° S. 42° E. (See Fig. 30.) For a space 1500 feet long and 1000 wide the dip 

 is much the same, often inclining to vertical, and occasionally leaning south-east- 

 erly, slightly. The strike is N. 38° E., with vertical dip at J— 20. Between O— 19 

 and 20 the vertical slates strike east and west. At O — 19 the dip is 'j'j^ southerly. The 

 rocks here are quite ferruginous. Between the conglomerate ranges at B — 16, and 

 largely over an area 2000 by 2500 feet, the position is 70° N. 32° W. The slate at 

 V— 18 dips 80° south-easterly. The slate area of perhaps 1500 by 2000 feet, near the 

 Parker Hill road from Lisbon and north of the line T, averages 82^ northerly. 



Passing to the lower part of Lyman we find three slaty bands, all divisions of the 

 eastern part of the basin. The first extends beyond the line F, and the strata are often 

 much corrugated and broken. Near C— 2, at a quartz opening, the dip is 50° S. 37° 

 E. Between A— 2 and 3, just over the Bath line, the dip is 25° N. 37°-40° W. Be- 

 tween B— 4 and 5 a small fault may be seen at the junction of the slate and conglom- 

 erate. The former has the strike N. 38° E., and the latter N. 68° E. The course of 

 this fault is N. 28° E. Both rocks are inclined about eighty degrees. At E— i, by 

 the roadside, the average dip of the crumpled slates is 50° N. At F— i the dip is 

 70° N. 50° W. It stands vertically five hundred feet west. Between G— 2 and H— i 

 there is an isolated slaty fragment caught in the Lyman schist, about six hundred feet 

 long and one hundred wide, standing on edge and running about N. 80° E. On the 

 band of slate from 12 on the town line to the Bedell gold mine we find, near B— ix, 

 the dip 50° N. 17° W. ; east of B— 12, 45° N. 27° W. ; west of D— 12, 50° N. 32° W. ; 

 three hundred feet farther north, 60° N. 42° W. These slates split readily into large 

 VOL. 11. 40 



