Community Q&A According to a recent survey done by Date Watchers.com, most people are starting to get comfortable with online dating.However, some minor mistakes are still what keeps people from meeting the person they so badly deserve.But really, how do scientists figure out how old their dinosaur bones are?And, what about other findings like fossil fish, plants and insects?Free 5-day trial Discover how geologists study the layers in sedimentary rock to establish relative age.Learn how inclusions and unconformities can tell us stories about the geologic past.Historians, for example, know that Shakespeare's play Henry V was not written before 1587 because Shakespeare's primary source for writing his play was the second edition of Raphael Holinshed's Chronicles, not published until 1587.Thus, 1587 is the post quem dating of Shakespeare's play Henry V.
(Grammar) grammar denoting or belonging to a class of words that function as subordinating conjunctions in introducing relative clauses.
Your goal is to study the smooth, parallel layers of rock to learn how the land built up over geologic time.
Now imagine that you come upon a formation like this: What do you think of it? How can you make any conclusions about rock layers that make such a crazy arrangement?
Free 5-day trial Learn how scientists determine the ages of rocks and fossils.
We'll explore both relative and numerical dating on our quest to understand the process of geological dating.