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...
Category: Rocks
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...
The three basic types of rock
All rocks can be put into one of three (3) fundamentally different types. This should always be the first determination attempted whenever a new rock is encountered. In most cases, it’s not all that...
