







































Nebraska is known by vertebrate palaeontologists as the place in North America where there is a very complete Cenozoic geologic record of mammalian evolution over the last thirty-five million years or so. All you have to do is visit any … Continue reading
Skeletal halite crystal from Sieroszowice mine. Photo M. Wikiera. Spirifer Minerals specimen. In late 2016 geologists working in Sieroszowice copper-halite mine, while visit one of the old tunnels, discovered very rich and colorful halite mineralization. The tunnel was located quite … Continue reading