This sample belongs to: Laura Cristina Calderón Díaz
Aliquot Name: M6
IGSN: 10.58052/IELCD002G
Stratigraphic Formation Name: La Plata Granite
Stratigraphic Age:
Rock Type: Granite
Mineral: Apatite
Latitude: 2.6742
Longitude: -75.9779
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/IELCD002G
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. |
C4_1 |
94 |
|
0.5 |
2.9762 |
0.0 |
1.994 |
0.1 |
0.0434 |
0.0 |
0.22 |
273.7 |
7.6 |
1113.5 |
44.7 |
3644.7 |
130.2 |
176.7 |
6.4 |
0.6 |
C4_2 |
93 |
|
0.6 |
2.9438 |
0.0 |
2.145 |
0.1 |
0.0456 |
0.0 |
0.24 |
287.1 |
7.6 |
1163.4 |
39.6 |
3661.4 |
106.7 |
184.3 |
6.1 |
0.6 |
C4_3 |
35 |
|
0.8 |
2.6667 |
0.0 |
2.47 |
0.2 |
0.0483 |
0.0 |
0.74 |
304.1 |
13.9 |
1263.3 |
112.5 |
3811.7 |
213.5 |
181.8 |
11.5 |
0.6 |
C4_4 |
264 |
|
0.5 |
5.4555 |
0.0 |
0.858 |
0.0 |
0.0335 |
0.0 |
0.37 |
212.6 |
6.0 |
629.0 |
21.3 |
2683.0 |
70.3 |
177.5 |
5.2 |
0.8 |
C4_5 |
82 |
|
0.6 |
3.5211 |
0.0 |
1.726 |
0.1 |
0.043 |
0.0 |
0.48 |
271.2 |
8.8 |
1018.3 |
41.3 |
3385.1 |
119.2 |
192.9 |
7.1 |
0.7 |
C4_6 |
12 |
|
1.2 |
2.0576 |
0.0 |
5.38 |
0.6 |
0.0752 |
0.0 |
0.86 |
467.4 |
28.6 |
1881.7 |
209.9 |
4199.3 |
285.1 |
217.0 |
23.6 |
0.5 |
C4_7 |
67 |
|
0.6 |
2.5 |
0.0 |
2.99 |
0.3 |
0.0541 |
0.0 |
0.66 |
339.6 |
18.2 |
1405.1 |
145.7 |
3909.1 |
273.6 |
192.9 |
15.8 |
0.6 |
C4_8 |
24 |
|
0.7 |
2.0325 |
0.0 |
4.95 |
0.4 |
0.0719 |
0.0 |
0.89 |
447.6 |
23.0 |
1810.8 |
135.4 |
4217.4 |
171.4 |
203.9 |
15.6 |
0.5 |
C4_9 |
34 |
|
0.6 |
2.0833 |
0.0 |
4.41 |
0.1 |
0.0648 |
0.0 |
0.37 |
404.8 |
12.5 |
1714.2 |
54.4 |
4180.9 |
113.2 |
189.8 |
9.1 |
0.5 |
C4_10 |
233 |
|
0.6 |
5.3191 |
0.0 |
0.893 |
0.1 |
0.0344 |
0.0 |
0.77 |
218.2 |
7.0 |
648.0 |
58.8 |
2724.7 |
188.4 |
180.9 |
6.7 |
0.8 |
C4_11 |
106 |
|
0.5 |
3.2573 |
0.0 |
1.794 |
0.1 |
0.0426 |
0.0 |
0.72 |
268.7 |
8.2 |
1043.3 |
55.8 |
3505.9 |
137.0 |
183.3 |
6.9 |
0.7 |
C4_12 |
124 |
|
0.6 |
2.8409 |
0.0 |
2.28 |
0.2 |
0.047 |
0.0 |
0.92 |
296.1 |
12.6 |
1206.1 |
105.8 |
3715.7 |
211.1 |
185.5 |
10.8 |
0.6 |
C4_13 |
115 |
|
0.7 |
5.1099 |
0.0 |
0.991 |
0.1 |
0.0368 |
0.0 |
0.09 |
232.7 |
7.0 |
699.2 |
35.3 |
2790.7 |
129.8 |
190.8 |
6.3 |
0.8 |
C4_14 |
146 |
|
0.5 |
4.386 |
0.0 |
1.121 |
0.1 |
0.0362 |
0.0 |
0.07 |
229.2 |
9.5 |
763.5 |
56.5 |
3038.1 |
159.9 |
178.7 |
8.1 |
0.8 |
C4_15 |
121 |
|
0.7 |
4.4053 |
0.0 |
1.197 |
0.1 |
0.038 |
0.0 |
0.12 |
240.5 |
7.0 |
799.2 |
44.1 |
3031.0 |
146.9 |
187.9 |
6.3 |
0.8 |
C4_16 |
99 |
|
0.7 |
4.268 |
0.0 |
1.187 |
0.0 |
0.0362 |
0.0 |
0.26 |
229.0 |
7.0 |
794.6 |
32.1 |
3081.7 |
113.1 |
176.7 |
5.9 |
0.8 |
C4_17 |
147 |
|
0.6 |
4.6729 |
0.0 |
1.115 |
0.1 |
0.0369 |
0.0 |
0.78 |
233.6 |
8.9 |
760.6 |
68.2 |
2936.1 |
205.8 |
186.2 |
8.3 |
0.8 |
C4_18 |
148 |
|
0.6 |
4.2735 |
0.0 |
1.29 |
0.2 |
0.0383 |
0.0 |
0.82 |
242.3 |
10.8 |
841.3 |
97.8 |
3079.6 |
289.5 |
187.2 |
10.6 |
0.8 |
C4_19 |
94 |
|
0.5 |
3.2362 |
0.0 |
1.79 |
0.2 |
0.0414 |
0.0 |
0.82 |
261.5 |
9.5 |
1041.8 |
98.9 |
3515.9 |
238.9 |
177.6 |
9.4 |
0.7 |
C4_20 |
92 |
|
0.6 |
3.4965 |
0.0 |
1.624 |
0.1 |
0.0416 |
0.0 |
0.77 |
262.7 |
9.5 |
979.5 |
59.7 |
3396.0 |
142.5 |
186.1 |
7.8 |
0.7 |
C4_21 |
91 |
|
0.6 |
3.367 |
0.0 |
1.88 |
0.1 |
0.0449 |
0.0 |
0.85 |
283.1 |
10.7 |
1074.1 |
74.3 |
3454.6 |
139.6 |
196.9 |
8.6 |
0.7 |
C4_22 |
83 |
|
0.6 |
3.2787 |
0.0 |
1.726 |
0.1 |
0.04 |
0.0 |
0.70 |
252.8 |
8.8 |
1018.3 |
64.9 |
3495.8 |
137.5 |
172.9 |
7.1 |
0.7 |
C4_23 |
98 |
|
0.5 |
3.124 |
0.0 |
2.006 |
0.1 |
0.0458 |
0.0 |
0.20 |
288.4 |
8.2 |
1117.5 |
41.8 |
3570.3 |
108.2 |
192.2 |
6.5 |
0.7 |
C4_24 |
215 |
|
0.6 |
6.2344 |
0.0 |
0.755 |
0.0 |
0.0342 |
0.0 |
0.24 |
217.0 |
5.8 |
571.1 |
28.7 |
2459.9 |
113.5 |
187.4 |
5.4 |
0.9 |
C4_25 |
69 |
|
1.3 |
5.2826 |
0.0 |
0.932 |
0.0 |
0.0359 |
0.0 |
0.15 |
227.3 |
7.0 |
668.7 |
29.4 |
2736.1 |
114.2 |
188.2 |
6.1 |
0.8 |
C4_26 |
77 |
|
0.7 |
3.4843 |
0.0 |
1.638 |
0.1 |
0.0411 |
0.0 |
0.31 |
259.8 |
7.6 |
984.9 |
43.3 |
3401.4 |
130.4 |
183.6 |
6.4 |
0.7 |
C4_27 |
41 |
|
0.7 |
2.6247 |
0.0 |
2.88 |
0.3 |
0.0543 |
0.0 |
0.81 |
340.9 |
14.4 |
1376.7 |
129.1 |
3835.7 |
241.6 |
201.8 |
13.4 |
0.6 |
C4_28 |
91 |
|
0.7 |
2.0747 |
0.0 |
4.57 |
0.4 |
0.0682 |
0.0 |
0.98 |
425.3 |
21.2 |
1743.8 |
145.0 |
4187.1 |
147.7 |
198.8 |
13.6 |
0.5 |
C4_29 |
169 |
|
0.6 |
3.69 |
0.0 |
1.52 |
0.1 |
0.0404 |
0.0 |
0.97 |
255.3 |
11.4 |
938.5 |
86.4 |
3311.8 |
195.5 |
185.5 |
9.7 |
0.7 |
C4_30 |
102 |
|
0.7 |
3.5587 |
0.0 |
1.6 |
0.1 |
0.0408 |
0.0 |
0.82 |
257.9 |
8.2 |
970.2 |
84.9 |
3368.5 |
215.8 |
184.2 |
8.2 |
0.7 |
C4_31 |
76 |
|
0.5 |
2.611 |
0.0 |
2.8 |
0.1 |
0.0524 |
0.0 |
0.67 |
329.2 |
11.3 |
1355.5 |
67.8 |
3843.6 |
130.5 |
193.9 |
8.6 |
0.6 |
C4_32 |
57 |
|
0.6 |
2.3866 |
0.0 |
3.24 |
0.2 |
0.0552 |
0.0 |
0.66 |
346.4 |
11.3 |
1466.8 |
86.0 |
3978.7 |
161.4 |
188.5 |
9.7 |
0.5 |
C4_33 |
84 |
|
0.7 |
3.7879 |
0.0 |
1.425 |
0.1 |
0.0389 |
0.0 |
0.22 |
246.0 |
7.6 |
899.5 |
36.0 |
3270.7 |
123.9 |
180.8 |
6.4 |
0.7 |
C4_34 |
97 |
|
0.7 |
3.861 |
0.0 |
1.398 |
0.1 |
0.0389 |
0.0 |
0.40 |
246.2 |
7.6 |
888.1 |
61.0 |
3240.6 |
175.2 |
182.5 |
7.1 |
0.7 |
C4_35 |
32 |
|
0.9 |
2.7548 |
0.0 |
2.54 |
0.1 |
0.0507 |
0.0 |
0.50 |
318.8 |
12.6 |
1283.6 |
60.6 |
3762.5 |
155.5 |
195.7 |
9.8 |
0.6 |
C4_36 |
48 |
|
0.7 |
2.7548 |
0.0 |
2.31 |
0.2 |
0.0455 |
0.0 |
0.95 |
286.8 |
15.8 |
1215.4 |
110.5 |
3762.5 |
196.9 |
175.6 |
11.8 |
0.6 |
C4_37 |
98 |
|
0.9 |
5.291 |
0.0 |
0.928 |
0.1 |
0.0362 |
0.0 |
0.54 |
229.4 |
7.6 |
666.6 |
41.7 |
2733.5 |
159.1 |
190.0 |
7.0 |
0.8 |
C4_38 |
190 |
|
0.7 |
6.3291 |
0.0 |
0.746 |
0.1 |
0.0338 |
0.0 |
0.58 |
214.5 |
6.3 |
565.9 |
48.5 |
2434.4 |
169.5 |
185.9 |
6.2 |
0.9 |
C4_39 |
111 |
|
0.8 |
5.4645 |
0.0 |
0.938 |
0.1 |
0.0355 |
0.0 |
0.46 |
225.0 |
6.3 |
671.8 |
41.5 |
2680.2 |
161.1 |
188.0 |
6.1 |
0.8 |
C4_40 |
404 |
|
0.6 |
8.244 |
0.0 |
0.505 |
0.0 |
0.0306 |
0.0 |
0.50 |
194.5 |
6.0 |
415.1 |
27.1 |
1975.4 |
107.5 |
177.2 |
5.7 |
0.9 |
C4_41 |
167 |
|
0.8 |
6.0241 |
0.0 |
0.795 |
0.1 |
0.0343 |
0.0 |
0.80 |
217.4 |
8.2 |
594.0 |
56.8 |
2517.7 |
182.0 |
186.2 |
7.7 |
0.9 |
C4_42 |
118 |
|
0.9 |
5.4645 |
0.0 |
0.888 |
0.1 |
0.0353 |
0.0 |
0.32 |
223.8 |
7.0 |
645.3 |
40.7 |
2680.2 |
146.5 |
187.0 |
6.4 |
0.8 |
C4_43 |
96 |
|
0.6 |
3.3557 |
0.0 |
1.693 |
0.1 |
0.0409 |
0.0 |
0.25 |
258.1 |
7.6 |
1005.9 |
42.8 |
3459.9 |
127.7 |
178.8 |
6.4 |
0.7 |
C4_44 |
112 |
|
0.5 |
3.5063 |
0.0 |
1.681 |
0.1 |
0.0421 |
0.0 |
0.64 |
266.0 |
8.2 |
1001.4 |
44.7 |
3391.6 |
93.9 |
188.7 |
6.4 |
0.7 |
C4_45 |
100 |
|
0.6 |
3.5932 |
0.0 |
1.529 |
0.1 |
0.0396 |
0.0 |
0.31 |
250.2 |
7.6 |
942.1 |
37.0 |
3353.4 |
115.7 |
179.5 |
6.2 |
0.7 |
C4_46 |
16 |
|
1.2 |
2.0325 |
0.0 |
4.53 |
0.3 |
0.067 |
0.0 |
0.73 |
418.1 |
18.1 |
1736.5 |
130.3 |
4217.4 |
188.6 |
189.8 |
14.4 |
0.5 |
C4_47 |
16 |
|
0.9 |
1.8215 |
0.0 |
6.44 |
0.3 |
0.085 |
0.0 |
0.41 |
525.9 |
25.4 |
2037.7 |
98.1 |
4378.5 |
183.4 |
202.5 |
18.5 |
0.4 |
filename:27408.xml