What is a stromatolite? A stromatolite is produced by cyanobacteria. The distinctive layers are produced as calcium carbonate is precipitated over the growing mat of bacterial filaments. Photosynthesis in the bacteria depletes carbon dioxide in the surrounding water and makes it less acidic thus initiating the precipitation of the calcium carbonate. The minerals, along with … [Read more...] about Giant Stromatolites of Capitol Reef National Park
ancient fossils
Yukon Gold Miners Unearth Rare Trove of Woolly Mammoth Bones
In a tale that reads like an adventure straight out of history, a group of intrepid miners in Dawson City, Yukon, set out with hopes of striking gold. Little did they know, they were about to stumble upon a different kind of treasure—one that belonged to a time long past. As their shovels delved into the earth, they uncovered a stunning trove of woolly mammoth bones, igniting a … [Read more...] about Yukon Gold Miners Unearth Rare Trove of Woolly Mammoth Bones