Ontology highlight
ABSTRACT:
SUBMITTER: Lowe J
PROVIDER: S-EPMC3427068 | biostudies-literature | 2012 Aug
REPOSITORIES: biostudies-literature
Proceedings of the National Academy of Sciences of the United States of America 20120723 34
Marked changes in human dispersal and development during the Middle to Upper Paleolithic transition have been attributed to massive volcanic eruption and/or severe climatic deterioration. We test this concept using records of volcanic ash layers of the Campanian Ignimbrite eruption dated to ca. 40,000 y ago (40 ka B.P.). The distribution of the Campanian Ignimbrite has been enhanced by the discovery of cryptotephra deposits (volcanic ash layers that are not visible to the naked eye) in archaeolo ...[more]