The topic of the day in the Geology Level II class at Deerfield High School is waves and how they are made. This is a technical subject, and terms such as amplitude, frequency and oscillation are a ...

The birth of modern geology is said to have started in the 18th century. The introduction of new concepts and thoughts about the Earth was a brave thing to do. Why is that? Because the believeth of ...

I love the Grand Canyon, both personally (because of all the good memories I have of my adventures there), and as a scientist. I first saw it in the early summer of 1981 when I went on a six-week-long ...

WEST GOSHEN – West Chester University students received a hands-on geology lesson this week. As part of a collaboration, about 30 students and approximately 35 seasoned professionals watched side by ...

SISTERS, Ore. — The wind blew cold across the jagged lava-rock ridge as Cascade peaks rose into the sky in nearly every direction. North and Middle Sister were so close I could make out details of the ...

I enjoyed reading the Times’ recent articles on the Roaring Fork River. The more we all know and understand our valley’s environment, the better we can appreciate and protect it. However, let’s keep ...

Some years past when I was pulling weeds in my yard, I unearthed a dirt-covered rock. This is not unusual or really worth mentioning except that when I brushed off the dirt, one side unveiled a dark, ...

PHILOMATH, Ore. — Three miles up the Marys Peak Road, where the roadbed cuts through a ridge of dark volcanic rock, Bob Lillie is giving a geology lesson to a group of about 16 people. Clad in a ...