Word: fossilizing
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...Harvard biologists have discovered fossils of an algae more than three billion years old -- the oldest fossil organism ever found...
...surprising first of all that anything was alive that far back," J. William Schopf, Junior Fellow, and co-discover of the fossil along with Elso S. Barghoorn, professor of Botany, said yesterday. "But more important was finding anything so complex as an apparently photosynthetic organism," Schopf added...
...summer of 1965, Schopf found fossilized remnants of bacteria in rock samples that Barghoorn had brought back from Africa. The fossil organisms -- from a Fig Tree formation in eastern Transvaal, South Africa -- were then the oldest form of life known...
Kenyan Fragments. But in the early 1960s, a rare display of unity among anthropologists convinced Leakey that he had better reevaluate the classification of certain fossil bones. Most of his colleagues had become persuaded, Leakey says, that a collection of bone and teeth fragments he had found under a Kenya farm in 1961 and other fragments discovered in 1934 in the foothills of the Himalayas represented similar species of manlike beings that lived between 10 million and 14 million years ago-in the Upper Miocene. In the hopes of finding their ancestors, Leakey in 1965 began a search of museum...
someone's footprint; the fossil-traces...