Author: GeoMan

Wildfire

We all have those times of the year that we really enjoy. For myself I love the late fall when the rain machine here in southwestern Oregon (usually) turns on (if we’re lucky) and...

Climate Change?

Europe — indeed much of the northern hemisphere, thanks to five separate high-pressure domes — is sweltering under an unprecedented heat wave: airport schedules disrupted because runways are buckling… older folks dying from heatstroke…...

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...