https://geologypics.com/wp-content/uploads/2017/04/geologic-time-pics-logo-300x115.png00Geology Picshttps://geologypics.com/wp-content/uploads/2017/04/geologic-time-pics-logo-300x115.pngGeology Pics2022-01-03 08:17:532022-11-02 22:01:22Proterozoic Glacial dropstone, SE California
