Very nice picture

Rich and Alice Go Globetrotting

I mentioned yesterday that the Finger Lakes were formed during the last ice age and are thus quite young: a few tens of thousands of years. But they have company, in the form of a number of spectacular narrow gorges. The best known of these is Watkins Glen at the foot of Seneca Lake. It’s an insanely photogenic canyon, 400 ft (120 m) deep and about a mile and a half (2.5 km) long. If you walk the whole length — we did about half — you’ll go up and down something like 890 steps, and you’l see 19 waterfalls.

The geology of the gorges is interesting. They are sedimentary rock, a mix of shale, limestone, and sandstone. These differ a great deal in their hardness and thus their rates of erosion, resulting in a number of natural staircase-like rock formations.

That’s today’s geology lesson, so here are some photos…

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