The physical geography of New York state . other period of During these elevations, foldings and depressions, theAdirondack land mass has been subjected to denudation,for it has stood above the sea-level throughout the greaterpart of the time that has elapsed since the , in sovast a period oftime the moun-tains have beendeeply breached;and had it notbeen for newelevations, wemay be certainthat, by thistime, the areawould have beenleveled to thecondition of aplain, standingnear the levelof the sea. Itis impossible to say how much has been removed from theAdirondack
The physical geography of New York state . other period of During these elevations, foldings and depressions, theAdirondack land mass has been subjected to denudation,for it has stood above the sea-level throughout the greaterpart of the time that has elapsed since the , in sovast a period oftime the moun-tains have beendeeply breached;and had it notbeen for newelevations, wemay be certainthat, by thistime, the areawould have beenleveled to thecondition of aplain, standingnear the levelof the sea. Itis impossible to say how much has been removed from theAdirondacks by this action, but certainly many thousandsof feet of strata have been cut off and carried we know in detail the Archean history of the moun-tains, we might be able to state how much elevation theyhave lost by denudation; but while figures cannot be as-signed, there is on every hand evidence of immense lossby denudation. Examining the surface features of the Adirondacks, wefind them to be mountains of considerable elevation,. FIG. 8.—The rounded, mature peaks of the Adirondack-(photograph copyrighted, 1888, by S. R. Stoddard,Glens Palls, N. Y). 1 Marine beaches north of tho Adirondacks furnish evidence of lowering :ind•vation just preceding the present era. 46 The Physical Geography of Neiv York State somewhat rugged in outline. Still, when we compare themwith the Andes, Alps, or Rockies, we find them to bemuch less elevated and rugged. There are few lofty,inaccessible cliffs, but instead, rounded, easily scaled hillsand mountain peaks, reaching only very rarely to a heightgreater than one mile above sea-level. Roads may be con-structed upon mostof the mountainsides, and railwaysenter the very heartof the system ofpeaks, while pathsare present nearlyeverywhere, so thatpractically no por-tion is inaccessi-ble. This is verydistinctly in con-trast with the con-ditions among thoAlps, many por-tions of which arereached only bythe most arduousclimbing, while some pa
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