RE: https://mas.to/@namhenderson/115631208104400919
+ "Gros Morne provides some of the world’s best exhibits of the process of plate tectonics...dates back to around 1.2 billion years ago, when present-day North America collided with another continent" https://earthobservatory.nasa.gov/images/147917/a-short-journey-to-the-center-of-the-earth see also https://gc.copernicus.org/preprints/gc-2020-2/gc-2020-2.pdf re: the "Cambrian–Ordovician boundary" #geologicaltime + some "site-specific ephemeral artworks" #landart