Report of progress 1874-1889, A-Z .. . lime to enrichthe deep soil. Where such is used the farms make a hand-some return in cereals. Plagiaclase is however the chief constituent, readily de-composing, and giving rise to a deep soil. The country islikewise abundantly watered and furnishes favorable pas-turage in the flats. The hills in Oley and southern Ruscombmanor are slightlymore hornblendic, which resisting the weather better, hasmade their contour bolder and more rugged. Many of thesehills show a considerable magnetic attraction, though I donot consider the region a favorable one for iron
Report of progress 1874-1889, A-Z .. . lime to enrichthe deep soil. Where such is used the farms make a hand-some return in cereals. Plagiaclase is however the chief constituent, readily de-composing, and giving rise to a deep soil. The country islikewise abundantly watered and furnishes favorable pas-turage in the flats. The hills in Oley and southern Ruscombmanor are slightlymore hornblendic, which resisting the weather better, hasmade their contour bolder and more rugged. Many of thesehills show a considerable magnetic attraction, though I donot consider the region a favorable one for iron ore research. On road N. W. up hill from Kaufmans Mill, in Oleytownship, feldspathic gneiss boulders considerably roundedand worn, occupy roadside, and this rock shows in place800 up hill dipping S. 10° E. 60°. Crossing into Ruscombmanor township, the rocks becomerather more hornblendic, until in an old tunnel, unsuccess-fully driven for iron ore, on the Little Manatawny, close 2°i GEOL. SURVEY OF PA. 1882. REPORT 03. VOL. 2. PLATE. DETAILED DESCRIPTION OE OUTCROPS. W. 81 to tho junction with Potsdam Sandstone, the debris isfilled with hornblende, which no doubt falsely encouragedthe prospector here as it has in many other parts of themountains. Close by, but a little to the S. W., this hornblendicgneiss shows in bank dipping S. 55° E. 40° East of J. Herbeins place, on hill summit south fromlast locality, the feldspathic variety prevails and dips ° E. 45°. Another exposure of this rock was seen on summit 930about two hundred yards S. E. of R. Carbers place, dip-ping S. 32° E. 38°. The Friedensburg-Reading road likewise shows somegood exposures of this rock, the first being about four hun-dred yards S. W. of school-house, near Kaufmans mill,dipping N. 20° W. 50°, and showing a composition ofnearly all feldspar. Entering Alsace township, there is an outcrop near s place, up two hundred feet from main road, dippingS. 40° E 70°. All these hills are so worn
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Keywords: ., bookcentury1, bookdecade1870, booksubjectcoal, booksubjectgeology
