Past shifts in the Earth's magnetic field:a can be used to correct (calibrate) radiocarbon ages, so that they represent calendar years.b can be used to place a fossil site broadly in time when other methods are unavailable.c explain the alternation of glaciations and interglaciations during the past 2.5 Ma.d probably account for the evolution and extinction of the robust australopiths.e can be detected only in deposits that are rich in uranium or radiopotassium.

Radiocarbon dating is one of the most reliable methods for dating the Holocene and late Pleistocene.…

Answered: Past shifts in the Earth's magnetic…

9th Edition

ISBN:9780134746241

Author:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa

Publisher:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa

Chapter1: The Study Of Minerals

Section: Chapter Questions

Problem 1LR

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Question

Past shifts in the Earth's magnetic field:

a		can be used to correct (calibrate) radiocarbon ages, so that they represent calendar years.
b		can be used to place a fossil site broadly in time when other methods are unavailable.
c		explain the alternation of glaciations and interglaciations during the past 2.5 Ma.
d		probably account for the evolution and extinction of the robust australopiths.
e		can be detected only in deposits that are rich in uranium or radiopotassium.