atlas (1) besoin (1) datation (1) âge (1) Area (1) Agreement (1) Death and burial (1) Dating (1) Area (1) Zircon (1) Will (1) Volcanic ash, tuff, etc (1) Series (1) Science (1) Rhyolite (1) Rejuvenation (1) Paleontology--Precambrian (1) Paleobotany--Precambrian (1) Orogeny (1) Novelle (1) Ignimbrite (1) Granite (1) Geology, Stratigraphic--Precambrian (1) Burial (1) Beginning (1) Age (1) Paleomagnetism--Precambrian (1) Will (1) Yields (1) Age (1)