PNW GRANITE

Learn about Pacific Northwest Granite from one of our resident geologists, Michael E. Yeaman. During our summer Symposia at Pilgrim Firs, NWSSA member and geologist thought it might be helpful […]

MONTANA QUARTZITE

Learn about Montana Quartzite from one of our resident geologists, Michael E. Yeaman. During our summer Symposia at Pilgrim Firs, NWSSA member and geologist, Michael Yeaman thought it might be […]

COLUMBIA RIVER BASALT

Learn about Columbia River Basalt from one of our resident geologists, Michael E. Yeaman. During our summer Symposia at Pilgrim Firs, NWSSA member and geologist, Michael Yeaman thought it might […]

BRITISH COLUMBIA JADE

Learn about British Columbia Jade from one of our resident geologists, Michael E. Yeaman. During our summer Symposia at Pilgrim Firs, NWSSA member and geologist, Michael Yeaman thought it might […]

INDIANA LIMESTONE

Learn about Indiana Limestone from one of our resident geologists, Michael E. Yeaman. During our summer Symposia at Pilgrim Firs, NWSSA member and geologist, Michael Yeaman thought it might be […]

NORTH CASCADES DUNITE

Learn about Dunite from one of our resident geologists, Michael E. Yeaman. During our summer Symposia at Pilgrim Firs, NWSSA member and geologist thought it might be helpful for us […]

The Disappearing American Rock Shop

By Michael E. Yeaman: NWSSA Roving Reporter When was the last time you wandered into a Rock Shop?You know what I am talking about…or do you? Perhaps you have never […]

Iceland is Hot!

By Michael Yeaman Don’t be fooled by the freezing winter weather and its propensity to lead the world in financial crashes, Iceland is hot property when it comes to culture. […]

Romancing the Marbles of Portugal

ROMANCING THE MARBLES OF PORTUGALby Michael Yeaman A geologic motivated drive through the rolling hills of southern Portugal’s Alentejo region leads you to the famous Estremoz anticline.  This elliptic structure […]

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