This sample belongs to: Laura Cristina Calderón Díaz
Aliquot Name: M7
IGSN: 10.58052/IELCD002H
Stratigraphic Formation Name: La Plata Granite
Stratigraphic Age:
Rock Type: Granite
Mineral: Apatite
Latitude: 2.6216
Longitude: -75.9824
Internal Uncertainty Level:
External Uncertainty 206/238 (% two sigma):
External Uncertainty 206/207 (% two sigma):
Analysis Purpose:
Laboratory Name: Department of Geology of the Trinity College in Dublin (Ireland).
Analyst Name: David Chew
Aliquot Reference: Madagascar apatite was used as the primary age standard and McClure Mountain and Durango apatite were used as the secondary age and trace-element reference materials
Aliquot Instrumental Method:
Aliquot Instrumental Reference:
Aliquot Instrumental Reference: 10.58052/IELCD002H
Analysis Name |
U |
206Pb/204Pb |
U/Th |
206Pb/207Pb |
± (%) |
207Pb/235U |
± (%) |
206Pb/238U |
± (%) |
error corr. |
206Pb/238U Age |
± (Ma) |
207Pb/235U Age |
± (Ma) |
206Pb/207Pb Age |
± (Ma) |
Best age |
± (Ma) |
Conc. |
C2_1 |
55 |
|
0.4 |
2.439 |
0.0 |
2.91 |
0.2 |
0.0519 |
0.0 |
0.70 |
326.2 |
12.6 |
1384.5 |
76.1 |
3946.2 |
173.2 |
180.9 |
10.2 |
0.6 |
C2_2 |
41 |
|
0.6 |
3.1847 |
0.0 |
1.734 |
0.1 |
0.0409 |
0.0 |
0.41 |
258.4 |
9.5 |
1021.2 |
53.6 |
3540.7 |
146.6 |
173.9 |
7.6 |
0.7 |
C2_3 |
34 |
|
0.5 |
2.681 |
0.0 |
2.35 |
0.2 |
0.0455 |
0.0 |
0.72 |
286.8 |
13.2 |
1227.6 |
94.0 |
3803.6 |
203.9 |
172.0 |
10.7 |
0.6 |
C2_4 |
25 |
|
0.5 |
2.5316 |
0.0 |
2.97 |
0.2 |
0.0545 |
0.0 |
0.00 |
342.1 |
15.7 |
1400.0 |
108.4 |
3890.2 |
246.2 |
196.5 |
14.0 |
0.6 |
C2_5 |
104 |
|
0.4 |
2.849 |
0.0 |
2.292 |
0.1 |
0.0476 |
0.0 |
0.37 |
299.8 |
9.4 |
1209.8 |
52.8 |
3711.3 |
137.5 |
188.3 |
7.7 |
0.6 |
C2_6 |
15 |
|
2.6 |
3.4329 |
0.0 |
1.741 |
0.1 |
0.0434 |
0.0 |
0.70 |
273.9 |
9.5 |
1023.8 |
41.2 |
3424.6 |
97.6 |
192.3 |
7.2 |
0.7 |
C2_7 |
9 |
|
3.0 |
3.0303 |
0.0 |
2.044 |
0.1 |
0.045 |
0.0 |
0.13 |
283.6 |
8.2 |
1130.3 |
45.3 |
3617.1 |
131.5 |
185.4 |
6.9 |
0.7 |
C2_8 |
8 |
|
3.4 |
3.003 |
0.0 |
2.253 |
0.1 |
0.0482 |
0.0 |
0.50 |
303.5 |
10.1 |
1197.7 |
47.3 |
3630.9 |
109.0 |
197.6 |
7.6 |
0.7 |
C2_9 |
32 |
|
0.8 |
6.6667 |
0.0 |
0.689 |
0.0 |
0.0331 |
0.0 |
0.11 |
209.7 |
7.6 |
532.2 |
33.2 |
2345.9 |
136.1 |
183.7 |
7.0 |
0.9 |
C2_10 |
30 |
|
0.8 |
5.1546 |
0.0 |
0.899 |
0.1 |
0.0337 |
0.0 |
0.13 |
213.5 |
7.6 |
651.2 |
43.5 |
2776.4 |
171.7 |
175.4 |
7.0 |
0.8 |
C2_11 |
25 |
|
0.9 |
4.902 |
0.0 |
1.015 |
0.1 |
0.0364 |
0.0 |
0.18 |
230.5 |
8.2 |
711.4 |
44.2 |
2858.5 |
168.1 |
186.6 |
7.5 |
0.8 |
C2_12 |
32 |
|
0.3 |
2.331 |
0.0 |
3.46 |
0.3 |
0.0582 |
0.0 |
0.54 |
364.7 |
16.3 |
1518.1 |
109.7 |
4014.0 |
205.8 |
194.1 |
13.4 |
0.5 |
C2_13 |
28 |
|
0.3 |
1.9157 |
0.0 |
5.24 |
0.3 |
0.0696 |
0.0 |
0.77 |
433.7 |
19.3 |
1859.1 |
113.5 |
4304.6 |
230.9 |
180.5 |
17.5 |
0.4 |
C2_14 |
30 |
|
0.3 |
1.8519 |
0.0 |
6.12 |
0.4 |
0.0827 |
0.0 |
0.86 |
512.2 |
22.9 |
1993.1 |
114.0 |
4354.3 |
185.5 |
203.0 |
17.8 |
0.4 |
C2_15 |
35 |
|
0.4 |
3.4483 |
0.0 |
1.63 |
0.2 |
0.0405 |
0.0 |
0.87 |
255.9 |
12.6 |
981.9 |
96.4 |
3417.6 |
223.9 |
179.9 |
10.7 |
0.7 |
C2_16 |
33 |
|
0.4 |
3.3003 |
0.0 |
1.83 |
0.1 |
0.044 |
0.0 |
0.74 |
277.6 |
13.9 |
1056.3 |
80.8 |
3485.6 |
230.1 |
190.9 |
11.8 |
0.7 |
C2_17 |
52 |
|
0.4 |
2.7248 |
0.0 |
2.7 |
0.4 |
0.0507 |
0.0 |
0.94 |
318.8 |
22.0 |
1328.5 |
177.1 |
3779.1 |
267.7 |
194.1 |
16.9 |
0.6 |
C2_18 |
57 |
|
0.8 |
5.3333 |
0.0 |
0.906 |
0.1 |
0.034 |
0.0 |
0.44 |
215.4 |
7.6 |
654.9 |
40.5 |
2720.4 |
132.0 |
178.7 |
6.7 |
0.8 |
C2_19 |
62 |
|
0.8 |
5.4259 |
0.0 |
0.882 |
0.0 |
0.0342 |
0.0 |
0.31 |
217.0 |
6.3 |
642.1 |
34.9 |
2692.0 |
138.8 |
180.9 |
5.8 |
0.8 |
C2_20 |
54 |
|
0.8 |
5.9172 |
0.0 |
0.768 |
0.1 |
0.0325 |
0.0 |
0.71 |
206.4 |
6.1 |
578.6 |
50.5 |
2547.8 |
180.9 |
175.9 |
6.0 |
0.9 |
C2_21 |
143 |
|
0.5 |
2.1598 |
0.0 |
3.92 |
0.4 |
0.0616 |
0.0 |
0.96 |
385.3 |
26.3 |
1617.8 |
173.3 |
4127.5 |
231.8 |
188.8 |
18.1 |
0.5 |
C2_22 |
134 |
|
0.6 |
2.5 |
0.0 |
3.15 |
0.5 |
0.0554 |
0.0 |
0.98 |
347.6 |
28.9 |
1445.0 |
220.2 |
3909.1 |
273.6 |
197.6 |
20.4 |
0.6 |
C2_23 |
74 |
|
0.6 |
2.7322 |
0.0 |
2.47 |
0.5 |
0.0463 |
0.0 |
0.81 |
291.8 |
22.1 |
1263.3 |
250.6 |
3774.9 |
443.5 |
177.6 |
20.6 |
0.6 |
C2_24 |
71 |
|
0.3 |
1.5649 |
0.0 |
11.7 |
1.6 |
0.136 |
0.0 |
0.98 |
822.0 |
102.8 |
2580.7 |
352.9 |
4599.3 |
179.9 |
227.9 |
39.3 |
0.3 |
C2_25 |
58 |
|
0.3 |
2.7248 |
0.0 |
2.469 |
0.1 |
0.0494 |
0.0 |
0.00 |
310.8 |
10.7 |
1263.0 |
56.3 |
3779.1 |
185.4 |
189.1 |
9.6 |
0.6 |
C2_26 |
73 |
|
0.3 |
2.1645 |
0.0 |
3.62 |
0.3 |
0.0566 |
0.0 |
0.81 |
354.9 |
15.0 |
1553.9 |
115.9 |
4124.3 |
187.5 |
173.8 |
12.1 |
0.5 |
C2_27 |
62 |
|
0.4 |
2.4876 |
0.0 |
2.92 |
0.1 |
0.0525 |
0.0 |
0.06 |
329.9 |
10.7 |
1387.1 |
57.0 |
3916.6 |
155.9 |
186.4 |
9.1 |
0.6 |
C2_28 |
39 |
|
0.3 |
1.9685 |
0.0 |
4.91 |
0.3 |
0.0722 |
0.0 |
0.50 |
449.4 |
24.3 |
1804.0 |
99.2 |
4264.6 |
176.3 |
195.5 |
16.1 |
0.4 |
C2_29 |
47 |
|
0.3 |
1.9763 |
0.0 |
4.56 |
0.2 |
0.0664 |
0.0 |
0.69 |
414.4 |
18.1 |
1742.0 |
87.9 |
4258.8 |
143.1 |
180.6 |
12.1 |
0.4 |
C2_30 |
39 |
|
0.5 |
4.1494 |
0.0 |
1.369 |
0.1 |
0.0405 |
0.0 |
0.32 |
255.9 |
9.5 |
875.7 |
61.4 |
3126.6 |
181.6 |
195.6 |
8.5 |
0.8 |
C2_31 |
33 |
|
0.5 |
3.9063 |
0.0 |
1.452 |
0.1 |
0.0406 |
0.0 |
0.36 |
256.6 |
10.7 |
910.7 |
57.7 |
3222.3 |
188.8 |
191.3 |
9.3 |
0.7 |
C2_32 |
48 |
|
0.5 |
4.6729 |
0.0 |
1.142 |
0.1 |
0.0379 |
0.0 |
0.23 |
239.8 |
9.5 |
773.5 |
57.6 |
2936.1 |
192.1 |
191.2 |
8.6 |
0.8 |
C2_33 |
171 |
|
0.4 |
5.6561 |
0.0 |
0.839 |
0.1 |
0.0339 |
0.0 |
0.94 |
214.7 |
7.6 |
618.6 |
47.9 |
2623.1 |
121.7 |
181.0 |
6.7 |
0.8 |
C2_34 |
27 |
|
0.5 |
2.551 |
0.0 |
2.97 |
0.3 |
0.0568 |
0.0 |
0.12 |
356.1 |
18.2 |
1400.0 |
117.8 |
3878.7 |
366.1 |
206.2 |
19.6 |
0.6 |
C2_35 |
33 |
|
0.5 |
2.8329 |
0.0 |
2.55 |
0.3 |
0.0511 |
0.0 |
0.80 |
321.3 |
18.9 |
1286.4 |
126.1 |
3720.0 |
284.5 |
201.3 |
16.0 |
0.6 |
C2_36 |
35 |
|
0.6 |
4.8544 |
0.0 |
1.021 |
0.1 |
0.0355 |
0.0 |
0.10 |
224.8 |
7.0 |
714.4 |
55.3 |
2874.3 |
209.3 |
181.4 |
7.0 |
0.8 |
C2_37 |
45 |
|
0.6 |
5.0761 |
0.0 |
0.925 |
0.1 |
0.0338 |
0.0 |
0.26 |
214.5 |
7.6 |
665.0 |
43.1 |
2801.5 |
156.4 |
175.4 |
6.8 |
0.8 |
C2_38 |
245 |
|
0.2 |
4.5331 |
0.0 |
1.129 |
0.0 |
0.0372 |
0.0 |
0.23 |
235.7 |
7.0 |
767.3 |
27.9 |
2985.1 |
96.1 |
186.0 |
5.9 |
0.8 |
C2_39 |
246 |
|
0.2 |
4.0209 |
0.0 |
1.332 |
0.0 |
0.0388 |
0.0 |
0.26 |
245.6 |
6.3 |
859.8 |
31.0 |
3176.5 |
88.1 |
185.3 |
5.2 |
0.8 |
C2_40 |
246 |
|
0.2 |
3.5575 |
0.0 |
1.557 |
0.0 |
0.04 |
0.0 |
0.00 |
252.5 |
7.6 |
953.3 |
30.0 |
3369.1 |
97.1 |
180.3 |
6.0 |
0.7 |
C2_41 |
214 |
|
0.2 |
4.7304 |
0.0 |
1.041 |
0.0 |
0.0358 |
0.0 |
0.00 |
226.6 |
7.6 |
724.4 |
34.1 |
2916.3 |
111.7 |
181.3 |
6.5 |
0.8 |
C2_42 |
226 |
|
0.2 |
4.662 |
0.0 |
1.067 |
0.1 |
0.0363 |
0.0 |
0.28 |
229.8 |
7.0 |
737.3 |
35.2 |
2939.9 |
119.2 |
183.0 |
6.1 |
0.8 |
C2_43 |
38 |
|
1.0 |
4.2373 |
0.0 |
1.24 |
0.1 |
0.039 |
0.0 |
0.63 |
246.6 |
8.9 |
818.9 |
54.2 |
3093.2 |
170.4 |
190.0 |
7.9 |
0.8 |
C2_44 |
33 |
|
1.1 |
4.2017 |
0.0 |
1.195 |
0.1 |
0.0366 |
0.0 |
0.13 |
231.8 |
7.6 |
798.3 |
45.4 |
3106.6 |
182.7 |
177.8 |
7.1 |
0.8 |
C2_45 |
19 |
|
1.0 |
3.0769 |
0.0 |
2.04 |
0.1 |
0.0461 |
0.0 |
0.51 |
290.5 |
12.0 |
1129.0 |
71.9 |
3593.7 |
221.1 |
191.9 |
10.7 |
0.7 |
C2_46 |
19 |
|
1.0 |
2.8169 |
0.0 |
2.29 |
0.1 |
0.0471 |
0.0 |
0.24 |
296.7 |
10.7 |
1209.2 |
68.6 |
3728.6 |
178.6 |
184.8 |
9.2 |
0.6 |
C2_47 |
20 |
|
1.1 |
2.9674 |
0.0 |
2.168 |
0.1 |
0.046 |
0.0 |
0.06 |
290.0 |
8.8 |
1170.8 |
54.0 |
3649.2 |
173.3 |
187.1 |
8.2 |
0.6 |
filename:27409.xml