The Precambrian lava at the tops of the cliffs eight hundred feet above the Rio Grande near Pilar is something like 1.8 billion years old, some of the oldest exposed rock in the state of New Mexico. This rock, those rocks, freezing and shattering high above, dark brown with a hint of red, falling and [...]
rocks
Um, what’s that in the lower hole?
I hiked a different trail this afternoon, imagine that. We found a real gem in the Rio Grande Gorge, but I’m not naming it here until I can check something out. You’ll see why. Those rocks! I don’t know what they are, but igneous for sure: lava, basalt, granite? There’s a place with great honking [...]
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