Geoscience Trivia
- When was the most recent M~9.0 Kamchatka "megathrust" earthquake?
4 November 1952 (see sources 1 and 2)
- What does the image portray?
Alternating bands of red hematite, siliceous chert, and argillaceious shale (aka, a banded iron formation, or BIF). From A History of Earth in 100 Groundbreaking Discoveries by Douglas Palmer (Firefly Books, Oct. 2011, p. 124–125).
- When and where did the devastating "Big Thompson Flood" occur?
31 July 1976 in Colorado's Big Thompson Canyon. (See Geology Underfoot: Along Colorado's Front Range by Lon Abbott and Terri Cook and this Wikipedia article.)
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