Mushroom rock on Sucia Island

ID: 359 ~ Source: Mustoe, George. “Sucia Island: The Geologic Story,” Western Washington University (2015). https://www.researchgate.net/publication/282882420_Sucia_Island_The_Geologic_Story

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This form of weathering causes the top of the rock to harden rather than weaken and therefore creates a mushroom shaped rock.

This file appears in: Sucia Island

Sucia Island – Geological Phenomena of Sucia Island

By Deanna Bugel

On a small horseshoe-shaped island above Orcas Island, centuries of geological history and phenomena are being discovered. Sucia Island, which was once part of Baja California’s sea floor, is home to many archaeological, geological, and ecological…