In its earliest youth, our planet was molten, red-hot, and battered by abundant meteorites. Earth was so hostile to life that scientists named this period the Hadean Eon (4.6–4 billion years ago), for Hades, the Greek god of the place known as Hell. Life began to evolve after Earth settled down a bit, in the … Continue reading Greenstone, Banded Iron Formation, and Stromatolite Fossils
Stromatolite & Unidentified Fossils Copyright, Disclaimer, Bibliography
Archean greenstone with various stromatolites Copyright, Disclaimer, Bibliography
Copyright, Disclaimer, Bibliography
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
Glaciers carried all kinds of rocks to the southwestern shoreline of Lake Michigan. The famous Lake Michigan stones are rounded rocks of infinite colors and varieties. Identifying individual rocks and fossils on my beach in Ozaukee County, Wisconsin is a daunting task. It helps to know what might be expected given the geology of the … Continue reading Stromatolite
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!