Carbon Dioxide and Climate Change for Dummies
This post may be a bit longer than usual, so get comfy. Click here for an index of earlier posts that touch on some of this. When I was at Physical Therapy a couple...
Category: Rocks
A couple good reads…
I’d like to recommend a couple books that I’ve read and highly recommend for anyone who is looking to expand their knowledge of the earth, and appreciates pictures to help them along the way...
Obsidian cutting tools
I read an interesting article in the New York Times that discussed the obsidian outcrops in Yellowstone National Park, and how they were mined for hundreds to thousands of years to supply the cutting...
Quicksand (a.k.a. Liquefaction)
I had a great question a little bit ago on the Ask GeoMan section of my GeoMania educational website from Elizabeth in Lake Oswego, Oregon. She’d been walking on Nye Beach on the central...
A Brief Introduction to Earthquakes
Stress… it can be a big deal. We all get stress all the time — from any number of sources and in a dog’s breakfast of exotic flavors and intensities. Sometimes we bend and...
Talcum Power and Asbestos
I read with interest the decision by Johnson & Johnson to discontinue the sale of talc-based baby powder by 2023. While J&J has not sold talcum powder in the United States and Canada since...
A Brief Introduction to Volcanoes
Before we get started I gotta come clean: The year was 1957, I was six years old in southeastern Nebraska, and Pop had called a family meeting to inform my sister and I that...
Do geologists know what they’re doing?
I got an exceptionally apt question a while back on my GeoMania website: “Are geologists sure that they’re right about how the earth works?” This is a tough one to respond to without sounding...
As simple as black and white
I am absolutely convinced that we are all born geologists. I mean, really, what kid doesn’t have a rock collection? Sadly, most of us lose the love by middle school when the burdens and...
West coast tectonics
I had an interesting question come across my GeoMania website a while back: “If Mt. St. Helens and the whole west coast is a convergent plate boundary with subduction, how come there are no...
