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Here in Ulster County, there is a ridge that rises between its lush and lovely river basins, curling up to quartzite crags

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Here in Ulster County, there is a ridge that rises between its lush and lovely river basins, curling up to quartzite crags

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Gol darnit, for the umpteenth time, it's not quartize it's a (quartz) conglomerate. There is a difference.
TS

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One of them says I can call it poetic license, but that don't sit right, given the piece's facts straightening point.

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Well, I gotta admit quartize flows off the tongue a lot better than either quartz conglomerate or conglomerate

T

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Oenophore's description of quartzite conforms to that reported by the American Geological Institute.

Quartzite is listed twice in the AGI dictionary, once as a term for metamorphic rocks and once for sedimentary. In the latter case, the description is, "a very hard but unmetamorphosed sandstone, consisting chiefly of quartz grains that have been so completely and solidly cemented with secondary silica that the rock breaks across or through grains rather than around them; an orthoquartzite."

Notice that no thermal event or regional mountain building is implied. Silica solutions in the Gunks rock percolated through the strata and extensively filled voids. You can see this in the "whitey, tighty" layers that are especially recognizable at the top of the Arrow wall or out at Millbrook. The same solutions also are responsible for making the shale layers in the rock tough and brittle.

So Yorick had it right.

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