1 74 [Assembly 



line of division between the gneiss and quartzite has a south-west 

 direction, along on tlie lower slope of the mountain, east of Gardiner 

 Hollow brook an average distance of a quarter of a mile, across the 

 Beekman and Pawling turnpike and the N, Y. and N. E. K. R. line, 

 one mile south-east of the village of Poughquag. Thence south-west 

 the boundary is in a hollow, between the two rock formations, as far 

 as the Poughquag station and road south over the mountain ; descend- 

 ing and on the same general course, it comes to the valley about half a 

 mile east of Green Haven railroad station, and crosses into East Fish- 

 kill township near the Baptist church corner. Across East Eishkill 

 it is located readily by the topographical features. It is near the Hop- 

 kins place, one mile south-south-east of Stormville ; near the resi- 

 dence of D. W. Tompkins and A. Wiltsie, a mile south-south-east of 

 Cortlandtville ; then, in a more southerly course, it runs near the Shen- 

 andoah limonite ore-bed and Fowler's kaolin mine to within a mile 

 of Hortontown, where it sweeps around to the north and then curves 

 about the north-eastern point of the Shenandoah Corners gneiss ridge, 

 resumiug at the village of the same name its general south-west course. 

 From Shenandoah Corners the boundary of the gneissic rocks out- 

 crop, overlaid by the patches of quartzite, is easily traced in a south- 

 west course for a mile and a half, or to the Wickapee creek hollow, 

 near the road crossing that stream. Again bending northward it runs 

 for three-fourths of a mile to the northern end of a northward project- 

 ing tongue of crystalline rocks, then turning westward and south-west 

 for a short distance, it again sweeps around a short and narrow out- 

 crop of gneiss, the quartzite dipping at various angles away from this 

 underlying anticlinal line. Beyond to the west there is another rather 

 sharp curve in the line to the south, around a bold and narrow ledge 

 of the quartzite. Crossing the township line about one mile north of 

 the county line the course is for a little way v/estward, then it turns to 

 the north and here the quartzite and siliceous conglomerate are seen 

 unconformably resting upon the gneiss. The latter rock has its strata 

 standing almost on edge, with an easterly dip, the conglomerate beds 

 dip at an angle of 20"^ north \vard. The boundary has a general north- 

 north-east course, at the eastern foot of Mt. Honness, and quite near 

 to Johusville, to the Fishkill creek less than a quarter of a mile north 

 of the Johnsville M, E. church. At this point the northernmost 

 end of the Mt. Honness range is attained and the geological line again 

 has a west and then a south-west bearing up the Clove valley a distance 

 of two or three miles. The drift conceals the strata and the south- 

 ward limit of the newer blue limestone is known only by openings 

 for ore in the valley. Its limit is apparently about two miles in a 

 straight line, south of Fishkill village. Passing about the southern 

 limit of the limestone the boundary is then traceable along the west of 

 the Clove creek and to the north-east end of the Fishkill mountain 

 range, proper, which is near the creek, and Fishkill village. Thence 

 south-west for two miles, the foot of the mountain is recognized as 

 the limit of the gneisses also. South of Glenham the line of outcrop 

 is traced in a west-south-west course and three-quarters of a mile 

 south of the creek. Through Matteawan it is located near the public 

 school and a little south of the P. E. church. From Matteawan to 

 the Hudson river the course of this line is south-west, and south of the 

 creek and nearly parallel to it. 



