February 20, 2021
Manganese dendrites on limestone fracture are shown. (Photo by Gery PARENT, cc-by-sa-3.0, https://bit.ly/3pFvETp)
Stories this photo appears in:
Sitting on my back patio, I was lamenting the cracks in the concrete when it dawned on me that there are very few rocks on earth that I’ve seen that don’t have cracks or fractures of one kind or another.
By Luis Vega, Wilderness Columnist
February 20, 2021
