related Blue the Rb-Sr isotope data calculate the age (in million years, Ma) and the Hoppin Hill Granite and the Quincy Granite. Consider the Quincy Granite and the Blue Hills Granite Porphyry to be part of the same igneous suite, and thus contemporaneous. [25 points] Table 1. Rb-Sr isotope data for the Hoppin Hill Granite, southeastern Massachusetts Sample R5202 R5196 R5195 R5198 R5176 R5094 R5093 R5092 R5175 R5095 75.9 Data from Fairbairn et al. (1967) 87Rb/86Sr 0.534 1.92 3.07 3.96 16.5 24.1 28.3 31.9 34.1 Sample QG74 QG95 QG96 Table 2. Rb-Sr isotope data from the Quincy Granite and Blue Hills Granite Porphyry, eastern Massachusetts QG97 QG98 87Rb/86Sr 17.51 41.9 87 Sr/86 Sr 0.7103 0.7208 0.7208 0.7383 0.8201 0.8852 0.9223 0.9572 0.9678 1.2861 57.56 38.84 33.09 QG210 95.85 QG211 36.93 QG212 25.37 BHGP78 36.79 BHGP213 29.14 Data from Zartman and Marvin (1972) O Search 87 Sr/86Sr 0.8008 0.927 0.977 0.892 0.881 1.146 0.89 0.8348 0.89 0.867 LM W
related Blue the Rb-Sr isotope data calculate the age (in million years, Ma) and the Hoppin Hill Granite and the Quincy Granite. Consider the Quincy Granite and the Blue Hills Granite Porphyry to be part of the same igneous suite, and thus contemporaneous. [25 points] Table 1. Rb-Sr isotope data for the Hoppin Hill Granite, southeastern Massachusetts Sample R5202 R5196 R5195 R5198 R5176 R5094 R5093 R5092 R5175 R5095 75.9 Data from Fairbairn et al. (1967) 87Rb/86Sr 0.534 1.92 3.07 3.96 16.5 24.1 28.3 31.9 34.1 Sample QG74 QG95 QG96 Table 2. Rb-Sr isotope data from the Quincy Granite and Blue Hills Granite Porphyry, eastern Massachusetts QG97 QG98 87Rb/86Sr 17.51 41.9 87 Sr/86 Sr 0.7103 0.7208 0.7208 0.7383 0.8201 0.8852 0.9223 0.9572 0.9678 1.2861 57.56 38.84 33.09 QG210 95.85 QG211 36.93 QG212 25.37 BHGP78 36.79 BHGP213 29.14 Data from Zartman and Marvin (1972) O Search 87 Sr/86Sr 0.8008 0.927 0.977 0.892 0.881 1.146 0.89 0.8348 0.89 0.867 LM W
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
I want to check my results, also to check if the equations that I used were the right ones
![6) Below are Rb-Sr data for two different granitic plutons from Massachusetts. The Hoppin Hill
Granite is located near Attleboro, Massachusetts and the Quincy Granite and it's closely
related Blue Hills Granite Porphyry are located in Quincy and Milton, Massachusetts. Using
the Rb-Sr isotope data calculate the age (in million years, Ma) and the error on the age of the
Hoppin Hill Granite and the Quincy Granite. Consider the Quincy Granite and the Blue Hills
Granite Porphyry to be part of the same igneous suite, and thus contemporaneous. [25 points]
Table 1. Rb-Sr isotope data for the Hoppin Hill Granite,
southeastern Massachusetts
Sample
R5202
R5196
R5195
R5198
R5176
R5094
87Rb/86Sr
0.534
1.92
3.07
3.96
16.5
24.1
R5093
R5092
R5175
R5095
75.9
Data from Fairbairn et al. (1967)
28.3
31.9
34.1
87 Sr/86 Sr
0.7103
0.7208
0.7208
0.7383
0.8201
0.8852
0.9223
0.9572
0.9678
1.2861
Table 2. Rb-Sr isotope data from the Quincy Granite
and Blue Hills Granite Porphyry, eastern Massachusetts
Search
Sample
87Rb/86Sr
QG74
17.51
QG95
41.9
QG96
57.56
QG97
38.84
QG98
33.09
QG210
95.85
QG211
36.93
QG212
25.37
BHGP78
36.79
BHGP213
29.14
Data from Zartman and Marvin (1972)
87 Sr/86Sr
0.8008
0.927
0.977
0.892
0.881
1.146
0.89
0.8348
0.89
0.867
S
LUG
Pro
W](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F9d5280c1-0888-4121-94fb-2a368f5b3705%2F180a52e6-b1a9-46dc-93a7-a5e98b939d93%2Ftefbewc_processed.jpeg&w=3840&q=75)
Transcribed Image Text:6) Below are Rb-Sr data for two different granitic plutons from Massachusetts. The Hoppin Hill
Granite is located near Attleboro, Massachusetts and the Quincy Granite and it's closely
related Blue Hills Granite Porphyry are located in Quincy and Milton, Massachusetts. Using
the Rb-Sr isotope data calculate the age (in million years, Ma) and the error on the age of the
Hoppin Hill Granite and the Quincy Granite. Consider the Quincy Granite and the Blue Hills
Granite Porphyry to be part of the same igneous suite, and thus contemporaneous. [25 points]
Table 1. Rb-Sr isotope data for the Hoppin Hill Granite,
southeastern Massachusetts
Sample
R5202
R5196
R5195
R5198
R5176
R5094
87Rb/86Sr
0.534
1.92
3.07
3.96
16.5
24.1
R5093
R5092
R5175
R5095
75.9
Data from Fairbairn et al. (1967)
28.3
31.9
34.1
87 Sr/86 Sr
0.7103
0.7208
0.7208
0.7383
0.8201
0.8852
0.9223
0.9572
0.9678
1.2861
Table 2. Rb-Sr isotope data from the Quincy Granite
and Blue Hills Granite Porphyry, eastern Massachusetts
Search
Sample
87Rb/86Sr
QG74
17.51
QG95
41.9
QG96
57.56
QG97
38.84
QG98
33.09
QG210
95.85
QG211
36.93
QG212
25.37
BHGP78
36.79
BHGP213
29.14
Data from Zartman and Marvin (1972)
87 Sr/86Sr
0.8008
0.927
0.977
0.892
0.881
1.146
0.89
0.8348
0.89
0.867
S
LUG
Pro
W
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