3. How is the analysis of ice cores similar to relative dating techniques?

Applications and Investigations in Earth Science (9th Edition)
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
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3.5 The Story is in the Ice
Drilling an ice core from the surface down is like taking a journey back in time. The deeper into
the ice you go, the older the layer of ice is. By analyzing the gases and the oxygen isotopes that
are present in the ice layers, scientists are able to piece together a picture of what the Earth's
climate must have been like in the past.
Top layers are the most
recently deposited
Increasing age
Bottom layers are
the oldest
3. How is the analysis of ice cores similar to relative dating techniques?
One of the most well-known ice cores was drilled at the Russian research station, Vostok, in
central Antarctica. The Vostok research station is located near the center of the Antarctic ice
sheet (78°S 106°E). Ice core samples taken at the Vostok station are used to collect data on
historical carbon dioxide levels. The data consists of measurements of the percentage of
atmospheric gasses, such as CO2 in fossil air bubbles that have been trapped in snowflakes and
compressed into ice over 400,000 years old.
4. What is the main data being collected at the Vostok research station?
The main data being collected at the vostok research station is
Transcribed Image Text:3.5 The Story is in the Ice Drilling an ice core from the surface down is like taking a journey back in time. The deeper into the ice you go, the older the layer of ice is. By analyzing the gases and the oxygen isotopes that are present in the ice layers, scientists are able to piece together a picture of what the Earth's climate must have been like in the past. Top layers are the most recently deposited Increasing age Bottom layers are the oldest 3. How is the analysis of ice cores similar to relative dating techniques? One of the most well-known ice cores was drilled at the Russian research station, Vostok, in central Antarctica. The Vostok research station is located near the center of the Antarctic ice sheet (78°S 106°E). Ice core samples taken at the Vostok station are used to collect data on historical carbon dioxide levels. The data consists of measurements of the percentage of atmospheric gasses, such as CO2 in fossil air bubbles that have been trapped in snowflakes and compressed into ice over 400,000 years old. 4. What is the main data being collected at the Vostok research station? The main data being collected at the vostok research station is
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