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Question 2. The Salal Glacier Volcanic Complex was formed during the Ancestral Cascades, Pacific NW US. Mount Baker is a volcano of the modern Cascades. Salal Glacier and Mt Baker are separated by ~0.5 million years of time. Did the source of the mantle melt for these two areas change during that 0.5 my of time? Explain your reasoning, and use the trace element and stable isotope data as evidence in support of your claim.

Question 2. The Salal Glacier Volcanic Complex was formed during the Ancestral Cascades, Pacific NW US. Mount Baker is a volcano of the modern Cascades. Salal Glacier and Mt Baker are separated by ~0.5 million years of time. Did the source of the mantle melt for these two areas change during that 0.5 my of time? Explain your reasoning, and use the trace element and stable isotope data as evidence in support of your claim.

Applications and Investigations in Earth Science (9th Edition)
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
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Question 2. The Salal Glacier Volcanic Complex was formed during the Ancestral Cascades, Pacific NW US. Mount Baker is a volcano of the modern Cascades. Salal Glacier and Mt Baker are separated by -0.5 million years of time. Did the source of the mantle melt for these two areas change during that 0.5 my of time? Explain your reasoning, and use the trace element and stable isotope data as evidence in support of your claim. Mount Baker- Modern Cascades 87Sr/86Sr 0.70397 0.703109 0.70324 0.703513 0.703156 0.703213 0.703173 143Nd/144Nd 0.512834 0.513001 0.513034 0.512899 0.512986 0.513037 0.512993 Mt. Baker Lib21 MBT MB2 M5 MB5 M70 MB1 M MB112 M MB114 M +21 M4 d) La Ce Pr Nd Pm Sm Eu Gd Tb Dy Ho Er Tm Yb Lu
Transcribed Image Text:Question 2. The Salal Glacier Volcanic Complex was formed during the Ancestral Cascades, Pacific NW US. Mount Baker is a volcano of the modern Cascades. Salal Glacier and Mt Baker are separated by -0.5 million years of time. Did the source of the mantle melt for these two areas change during that 0.5 my of time? Explain your reasoning, and use the trace element and stable isotope data as evidence in support of your claim. Mount Baker- Modern Cascades 87Sr/86Sr 0.70397 0.703109 0.70324 0.703513 0.703156 0.703213 0.703173 143Nd/144Nd 0.512834 0.513001 0.513034 0.512899 0.512986 0.513037 0.512993 Mt. Baker Lib21 MBT MB2 M5 MB5 M70 MB1 M MB112 M MB114 M +21 M4 d) La Ce Pr Nd Pm Sm Eu Gd Tb Dy Ho Er Tm Yb Lu
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