I am working on trying to tell the difference between stromatolites and stromatoporoids. The former are fossils of blue-green algae, the latter are fossils of marine sponges. These fossils are in Lake Michigan chert. Copyright, Disclaimer, Bibliography
Luck is a matter of perspective. I have been lucky in different ways and different times in my life. As my self-education in geology expands, and my really nerdy hobby of collecting rocks extends to any available surface on my property, I consider myself lucky to live where I live. I live on Lake Michigan … Continue reading On Mother’s Day: What Luck!