Card Set Information
Geologic time 2 (Lithostratigraphy - end)
Who first discovered that all sedimentary rocks are origonally horzontally layered?
b. Nicholas Steno
According to the law of superposition,
e. the youngest rocks are at the top of a sedimentary rock formation
Relative dating is
c. relies on the positions of different strata
Which of the following statements about absolute dating is not true?
b. Absolute dating is the only reliable tool used by statigraphers
Biostratigraphy requires the stratigrahpher to know
e. when the fossilized organism lived
Tyrannosaurus Rex lived for approximately
a. 2 million years
The oldest method of geological dating is
The Phanerozoic time period is defined by
d. the appearance of animals with skeletons
Cenos translates to
How many eras fall in the Phanerzoic time period?
Periods are divided into
Upper Cretaceous rock layers correspond to
a. Late Cretaceous
What accomplishments do the authors of "Geological Time" believe is the most important achievement of geology?
d. development of the Geological Timescale
All of the following epochs are part of the Middle Jurassic Period except
If all of Earth's history were condesned to one year, dinosaurs would have lived for about
c. two weeks