When they died, the plants and animals were buried by mud, sand, or silt on the ... an organism being entombed in ice, tar (like the famous La Brea Tar Pits in Los Angeles), or amber, in which ...

Take, for instance, the La Brea Tar Pits & Museum, also referred to as the George C. Page Museum. On display, you'll find a plethora of Ice Age-era fossils, including those belonging to mammoths ...