The geological time scale (GTS) is a system of chronological measurement that
relates stratigraphy to time, and is used by geologists, paleontologists, and other
A simple table of the different time periods contains links to details of the rocks,
fossils and locations of each one.
Earth Earth's Geologic Geological Time Scale Line Eon Era Period Epoch Life
Forms Eons Eras Periods Epochs MYA Paleozoic Mesozoic Cenozoic Modern ...
The period is the basic unit of geological time in which a single type of rock
system is formed. Two or more periods comprise a geological Era. Two or more
The known geological history of Earth since the Precambrian Time is subdivided
into three eras, each of which includes a number of periods. They, in turn, are ...
Oct 3, 2014 ... Piece by piece, geologists constructed a geologic time scale, using increasingly
more sophisticated methods for dating rock formations.
www.ask.com/youtube?q=Geological Time Periods&v=r10oh1NHKv4
Mar 21, 2013 ... Geological time can be confusing to some, so this video explains where and in
what order the periods and eras are. Pictures Courtesy of ...
www.ask.com/youtube?q=Geological Time Periods&v=9ESo9oSqXns
Oct 16, 2010 ... A video to show the geological periods of our planet. ... Surtsey, which confound
the notion that such islands take long periods of time to form.
Note that the compilers are still accepting comments on the overall content of
time scale. Offer your comments or join in the discussion on GSA's Facebook
The vast expanse of geological time has been separated into eras, periods, and
epochs. The numbers included below refer to the beginnings of the division in ...