Relative Ages of Rocks Answers

Determining the order of events and the relative age of rocks by examining the position of rocks in a sequence is called ____.a.absolute datingc.relative datingb.radiometric datingd.radiocarbon dating

A limestone bed containing fossils that are 550 million years old is ____ a bed of sandstone containing fossils that are 400 million years old.a.younger thanc.older thanb.the same age asd.not related to

Extrusions are formed by cooling magma beneath Earth’s surface.

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Scientists are able to determine the relative age of rocks in specific years.

Which statement is true of the undisturbed rock layers shown?

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In a series of undisturbed rock layers where shale lies between sandstone below and limestone above, the ____.a.limestone is youngestc.sandstone is youngestb.shale is youngestd.beds are all the same age

If the same types of fossils are found in two separate rock layers, it's likely that the two rock layers ____.a.formed at different timesc.formed under different conditionsb.are part of one continuous depositd.none of the above

If the same sequence of rock layers is observed over a large area, ____.a.they are probably not relatedb.a large deposit of rock formed over a large areac.conditions of formation were probably very differentd.it is just a coincidence