If you are not convinced that these rocks came from an ancient beach, take a look at the last post closely and you will see the...

About 30 to 40 Million year ago, the region that is now the Green was beneath the sea! The bedrock is made of brown/tan siltstones and...

Lichens can actually break down rock. These crustose lichens are part of a community of organisms that colonize surface like this (you...

I love the many innovative ways living things have evolved on our planet, and one of my favorite innovators are the lichens. These...

Quartz, biotite and amphibole pepper this igneous rock from the stream bed. These course-grained, plutonic, igneous rocks forms when...

Puget Sound has been covered with ice several times in the last million years, most recently about 20,000 years ago. These massive...