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11 November 2022
How the Mountains Grew, by John Dvorak
Callan reviews a recently-published book that offers “a new geological history of North America.”
3 September 2019
An unconformity at Bacon Cove, Newfoundland
At Bacon Cove in eastern Newfoundland, there is a nice example of an angular unconformity between Ediacaran and Cambrian sedimentary rocks.
2 April 2018
101 American fossil sites you’ve gotta see, by Albert B. Dickas
Mountain Press has released a new volume by frequent author Bert Dickas: it’s a compilation of 101 places in the United States where fossils can be viewed. Some sites are collection sites on public land; others are museums or protected areas. The book is a useful collection of information in a concise, well-illustrated form. Each of the sites gets a name, a latitude/longitude (but not directions), a short tag line, …
16 November 2015
“Making North America,” episode 3: Human
The PBS series NOVA has a new three-part series called “Making North America” that premiered two weeks ago. Hosted by the director of the Smithsonian Institution’s National Museum of Natural History, Kirk Johnson, the series explores the tectonic assembly of terranes that resulted in the bedrock of the continent, the panoply of diverse creatures that have dwelled here in the past, and the human prehistory of our continent. I was …
6 November 2015
“Making North America,” episode 2: Life
The PBS series NOVA has a new three-part series called “Making North America” that premiered last week. Hosted by the director of the Smithsonian Institution’s National Museum of Natural History, Kirk Johnson, the series will explore the tectonic assembly of terranes that resulted in the bedrock of the continent, the panoply of diverse creatures that have dwelled here in the past, and the human prehistory of our continent. I was …
29 October 2015
“Making North America,” episode 1: Origins
The PBS series NOVA has a three-part series coming out next week called “Making North America.” Hosted by the director of the Smithsonian Institution’s National Museum of Natural History, Kirk Johnson, the series will explore the tectonic assembly of terranes that resulted in the bedrock of the continent, the panoply of diverse creatures that have dwelled here in the past, and the human prehistory of our continent. I was given …
