Key Ashfall greater than 6 inches Ashfall less than 6 inches The age of this volcanic eruption was most accurately determined to be Holocene by meas the radioactive A. potassium in the fine-grained volcanic re B. carbon in trees buried by the ash C. uranium in the volcanic ash D. rubidium in the igneous glass
Key Ashfall greater than 6 inches Ashfall less than 6 inches The age of this volcanic eruption was most accurately determined to be Holocene by meas the radioactive A. potassium in the fine-grained volcanic re B. carbon in trees buried by the ash C. uranium in the volcanic ash D. rubidium in the igneous glass
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
Section: Chapter Questions
Problem 1LR
Related questions
Question

Transcribed Image Text:2.
Base your answer(s) to the following question(s)
on the map below, which shows the area of the
northwestern United States affected by a major
volcanic eruption at Crater Lake during the
Holocene Epoch.
Pacific Ocean
Washington
Oregon
Califonia
Cinter Lake
Nevada
Conada
Miles
100 200
Montana
Idaho
Utah
half of
initial
Key
Ashfall greater than 6 inches
Ashfall less than 6 inches
The age of this volcanic eruption was most
accurately determined to be Holocene by measuri
the radioactive
A. potassium in the fine-grained volcanic rock
B.
carbon in trees buried by the ash
C.
uranium in the volcanic ash
An archeologist found an ancient skeleton
D. rubidium in the igneous glass
Which
3. Which tv
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