This sample belongs to: Laura Cristina Calderón Díaz
Aliquot Name: 21170CP
IGSN: IELCD0012
Stratigraphic Formation Name: Rovira Fm
Stratigraphic Age:
Rock Type: Sandstone
Mineral: Zircon
Latitude: 3.8535
Longitude: -75.5035
Internal Uncertainty Level:
External Uncertainty 206/238 (% two sigma): 1.1
External Uncertainty 206/207 (% two sigma): 1.1
Analysis Purpose:
Laboratory Name: Radiogenic Isotopic and Geochronology Lab (RIGL) at WSU
Analyst Name: Victor Valencia
Aliquot Reference: Plesovice zircon used as primary standard, FC-1, 91500, Temora and Fish Canyon Tuff analyzed as secondary standards.
Aliquot Instrumental Method:
Aliquot Instrumental Reference:
Aliquot Instrumental Reference: IELCD0012
| 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. |
| 21170CP_1 |
2806 |
-30000 |
0.0 |
19.9203 |
2.0 |
0.0558 |
2.1 |
0.0081 |
1.2 |
0.35 |
51.8 |
0.6 |
55.2 |
1.2 |
194.0 |
45.0 |
51.8 |
0.6 |
0.3 |
| 21170CP_2 |
391 |
10000 |
1.0 |
20.0 |
3.2 |
0.1704 |
3.3 |
0.0247 |
1.2 |
0.08 |
157.4 |
1.9 |
159.8 |
4.8 |
165.0 |
67.0 |
157.4 |
1.9 |
1.0 |
| 21170CP_3 |
3746 |
-110000 |
2.8 |
19.4175 |
2.9 |
0.2005 |
2.5 |
0.0282 |
2.3 |
0.36 |
179.5 |
4.2 |
185.6 |
4.3 |
251.0 |
63.0 |
179.5 |
4.2 |
0.7 |
| 21170CP_4 |
883 |
27000 |
0.9 |
19.1205 |
3.3 |
0.3068 |
3.6 |
0.0426 |
2.0 |
0.41 |
268.7 |
5.2 |
271.9 |
8.4 |
283.0 |
73.0 |
268.7 |
5.2 |
0.9 |
| 21170CP_5 |
5790 |
400000 |
0.0 |
17.1821 |
10.1 |
0.0651 |
10.0 |
0.0081 |
3.8 |
0.09 |
52.1 |
2.0 |
64.1 |
6.1 |
490.0 |
210.0 |
52.1 |
2.0 |
0.1 |
| 21170CP_6 |
10240 |
-500000 |
0.0 |
20.8203 |
1.0 |
0.0511 |
1.4 |
0.0077 |
1.0 |
0.68 |
49.6 |
0.5 |
50.7 |
0.7 |
100.0 |
23.0 |
49.6 |
0.5 |
0.5 |
| 21170CP_7 |
3555 |
38000 |
0.0 |
19.1939 |
3.6 |
0.0521 |
3.5 |
0.0073 |
1.7 |
0.12 |
46.6 |
0.8 |
51.6 |
1.7 |
271.0 |
80.0 |
46.6 |
0.8 |
0.2 |
| 21170CP_8 |
3934 |
230000 |
0.0 |
19.1975 |
1.5 |
0.2166 |
1.5 |
0.0302 |
0.8 |
0.19 |
191.6 |
1.5 |
199.2 |
2.6 |
283.0 |
35.0 |
191.6 |
1.5 |
0.7 |
| 21170CP_9 |
10310 |
-110000 |
0.0 |
20.9776 |
1.2 |
0.0505 |
1.2 |
0.0077 |
0.9 |
0.31 |
49.3 |
0.4 |
50.0 |
0.6 |
80.0 |
27.0 |
49.3 |
0.4 |
0.6 |
| 21170CP_10 |
2887 |
14000 |
0.0 |
19.1939 |
2.7 |
0.0585 |
3.2 |
0.0081 |
1.6 |
0.06 |
52.3 |
0.8 |
57.8 |
1.9 |
272.0 |
59.0 |
52.3 |
0.8 |
0.2 |
| 21170CP_11 |
106 |
4900 |
1.1 |
19.1571 |
6.5 |
0.1745 |
6.3 |
0.0243 |
2.1 |
0.00 |
154.5 |
3.2 |
163.4 |
9.1 |
170.0 |
120.0 |
154.5 |
3.2 |
0.9 |
| 21170CP_12 |
9860 |
-500000 |
0.0 |
20.6996 |
1.2 |
0.0508 |
1.4 |
0.0076 |
1.0 |
0.56 |
49.0 |
0.5 |
50.4 |
0.7 |
110.0 |
26.0 |
49.0 |
0.5 |
0.4 |
| 21170CP_13 |
2850 |
100000 |
0.0 |
15.949 |
3.5 |
0.0651 |
4.5 |
0.0075 |
1.5 |
0.54 |
48.4 |
0.7 |
64.1 |
2.7 |
658.0 |
74.0 |
48.4 |
0.7 |
0.1 |
| 21170CP_14 |
360 |
420000 |
1.3 |
9.4429 |
0.9 |
4.1486 |
1.0 |
0.2843 |
1.0 |
0.56 |
1612.7 |
15.7 |
1665.0 |
8.2 |
1726.0 |
18.0 |
1726.0 |
18.0 |
0.9 |
| 21170CP_15 |
2010 |
-110000 |
0.0 |
19.1571 |
7.3 |
0.0422 |
8.3 |
0.0059 |
18.8 |
0.57 |
37.7 |
7.0 |
41.9 |
3.4 |
280.0 |
160.0 |
37.7 |
7.0 |
0.1 |
| 21170CP_16 |
5770 |
80000 |
0.1 |
20.1329 |
1.0 |
0.0507 |
1.0 |
0.0074 |
0.8 |
0.27 |
47.6 |
0.4 |
50.2 |
0.5 |
179.0 |
24.0 |
47.6 |
0.4 |
0.3 |
| 21170CP_17 |
7460 |
0 |
0.0 |
20.5044 |
1.7 |
0.0516 |
1.8 |
0.0077 |
1.0 |
0.35 |
49.3 |
0.5 |
51.1 |
0.9 |
130.0 |
37.0 |
49.3 |
0.5 |
0.4 |
| 21170CP_18 |
270 |
17000 |
1.3 |
19.4175 |
3.7 |
0.1787 |
3.3 |
0.0252 |
1.4 |
0.00 |
160.3 |
2.3 |
167.0 |
5.0 |
224.0 |
79.0 |
160.3 |
2.3 |
0.7 |
| 21170CP_19 |
2517 |
17000 |
0.0 |
19.4175 |
2.1 |
0.0566 |
2.1 |
0.008 |
1.2 |
0.20 |
51.2 |
0.6 |
56.0 |
1.1 |
241.0 |
47.0 |
51.2 |
0.6 |
0.2 |
| 21170CP_20 |
137 |
9700 |
2.3 |
19.1571 |
6.1 |
0.1773 |
5.5 |
0.0246 |
2.2 |
0.00 |
156.9 |
3.4 |
165.8 |
8.4 |
200.0 |
120.0 |
156.9 |
3.4 |
0.8 |
| 21170CP_21 |
1375 |
31000 |
0.0 |
18.8679 |
4.3 |
0.0596 |
3.9 |
0.0082 |
1.5 |
0.00 |
52.4 |
0.8 |
58.8 |
2.2 |
286.0 |
90.0 |
52.4 |
0.8 |
0.2 |
| 21170CP_22 |
328 |
81000 |
1.3 |
18.6567 |
2.4 |
0.3822 |
2.5 |
0.0517 |
1.2 |
0.13 |
325.2 |
3.9 |
328.9 |
7.0 |
345.0 |
59.0 |
325.2 |
3.9 |
0.9 |
| 21170CP_23 |
750 |
93000 |
1.3 |
18.9036 |
3.2 |
0.1947 |
3.2 |
0.0267 |
1.4 |
0.19 |
169.9 |
2.4 |
180.7 |
5.3 |
289.0 |
71.0 |
169.9 |
2.4 |
0.6 |
| 21170CP_25 |
196 |
14300 |
2.0 |
19.685 |
4.3 |
0.1768 |
4.0 |
0.0253 |
1.6 |
0.06 |
160.8 |
2.6 |
165.4 |
6.0 |
177.0 |
87.0 |
160.8 |
2.6 |
0.9 |
| 21170CP_26 |
11830 |
600000 |
0.0 |
20.5255 |
1.0 |
0.0515 |
1.3 |
0.0077 |
0.9 |
0.63 |
49.3 |
0.5 |
51.0 |
0.6 |
133.0 |
23.0 |
49.3 |
0.5 |
0.4 |
| 21170CP_27 |
1343 |
-30000 |
0.0 |
17.301 |
2.8 |
0.0618 |
2.9 |
0.0078 |
1.5 |
0.31 |
49.8 |
0.8 |
61.0 |
1.7 |
480.0 |
63.0 |
49.8 |
0.8 |
0.1 |
| 21170CP_28 |
584 |
26000 |
1.2 |
20.4499 |
2.9 |
0.1708 |
2.8 |
0.0253 |
1.0 |
0.08 |
161.3 |
1.6 |
160.2 |
4.1 |
122.0 |
61.0 |
161.3 |
1.6 |
1.3 |
| 21170CP_29 |
143 |
8100 |
1.9 |
20.7469 |
4.8 |
0.1667 |
4.6 |
0.0251 |
1.8 |
0.09 |
159.8 |
2.9 |
156.6 |
6.7 |
79.0 |
95.0 |
159.8 |
2.9 |
2.0 |
| 21170CP_30 |
126 |
8200 |
1.7 |
19.4553 |
6.0 |
0.1764 |
5.5 |
0.0249 |
1.9 |
0.01 |
158.6 |
3.1 |
165.1 |
8.6 |
190.0 |
120.0 |
158.6 |
3.1 |
0.8 |
| 21170CP_31 |
339 |
29400 |
1.4 |
20.5339 |
3.5 |
0.1739 |
3.4 |
0.0259 |
1.3 |
0.17 |
164.9 |
2.2 |
162.9 |
5.2 |
114.0 |
72.0 |
164.9 |
2.2 |
1.4 |
| 21170CP_32 |
500 |
28000 |
1.8 |
19.802 |
2.8 |
0.1699 |
2.8 |
0.0244 |
1.2 |
0.17 |
155.5 |
1.9 |
159.5 |
4.0 |
194.0 |
60.0 |
155.5 |
1.9 |
0.8 |
| 21170CP_33 |
411 |
14000 |
1.8 |
20.0803 |
3.2 |
0.1747 |
3.1 |
0.0255 |
1.4 |
0.28 |
162.0 |
2.2 |
163.6 |
4.6 |
164.0 |
67.0 |
162.0 |
2.2 |
1.0 |
| 21170CP_34 |
170 |
6300 |
1.6 |
20.0401 |
4.4 |
0.173 |
4.2 |
0.0252 |
1.7 |
0.10 |
160.2 |
2.7 |
162.1 |
6.4 |
153.0 |
88.0 |
160.2 |
2.7 |
1.0 |
| 21170CP_35 |
388 |
30000 |
1.3 |
19.3798 |
2.3 |
0.3154 |
2.3 |
0.0444 |
1.2 |
0.30 |
279.8 |
3.3 |
278.6 |
5.7 |
252.0 |
52.0 |
279.8 |
3.3 |
1.1 |
| 21170CP_36 |
405 |
12000 |
1.6 |
15.4321 |
5.6 |
0.2287 |
6.1 |
0.0256 |
1.6 |
0.36 |
163.0 |
2.6 |
209.2 |
11.0 |
650.0 |
110.0 |
163.0 |
2.6 |
0.3 |
| 21170CP_37 |
10530 |
39000 |
0.1 |
20.5255 |
1.1 |
0.0518 |
1.2 |
0.0077 |
1.0 |
0.48 |
49.5 |
0.5 |
51.3 |
0.6 |
129.0 |
24.0 |
49.5 |
0.5 |
0.4 |
| 21170CP_38 |
228 |
6400 |
1.8 |
19.9601 |
3.4 |
0.1754 |
3.2 |
0.0254 |
1.7 |
0.33 |
161.7 |
2.8 |
164.2 |
5.0 |
166.0 |
71.0 |
161.7 |
2.8 |
1.0 |
| 21170CP_39 |
5180 |
36000 |
0.1 |
20.4625 |
1.5 |
0.0545 |
1.5 |
0.0081 |
0.9 |
0.38 |
51.9 |
0.5 |
53.9 |
0.8 |
138.0 |
33.0 |
51.9 |
0.5 |
0.4 |
| 21170CP_40 |
8620 |
11000 |
0.0 |
20.7297 |
1.2 |
0.0513 |
1.4 |
0.0077 |
1.2 |
0.57 |
49.6 |
0.6 |
50.9 |
0.7 |
110.0 |
28.0 |
49.6 |
0.6 |
0.5 |
| 21170CP_41 |
9270 |
44000 |
0.1 |
20.3707 |
1.1 |
0.0515 |
1.4 |
0.0076 |
1.0 |
0.62 |
48.9 |
0.5 |
51.0 |
0.7 |
146.0 |
25.0 |
48.9 |
0.5 |
0.3 |
| 21170CP_42 |
218 |
5100 |
1.3 |
19.7628 |
4.2 |
0.1763 |
4.0 |
0.0253 |
1.6 |
0.06 |
160.9 |
2.6 |
164.9 |
6.1 |
175.0 |
88.0 |
160.9 |
2.6 |
0.9 |
| 21170CP_43 |
471 |
20400 |
1.2 |
20.79 |
2.9 |
0.1624 |
2.7 |
0.0245 |
1.2 |
0.15 |
156.0 |
1.9 |
152.9 |
3.8 |
88.0 |
62.0 |
156.0 |
1.9 |
1.8 |
| 21170CP_44 |
1460 |
86000 |
1.6 |
19.3424 |
2.5 |
0.2776 |
2.8 |
0.039 |
2.2 |
0.62 |
246.4 |
5.3 |
248.9 |
6.3 |
262.0 |
54.0 |
246.4 |
5.3 |
0.9 |
| 21170CP_45 |
5390 |
-107000 |
0.0 |
11.3122 |
6.1 |
0.102 |
6.3 |
0.0084 |
2.1 |
0.00 |
53.8 |
1.2 |
98.7 |
5.8 |
1360.0 |
120.0 |
53.8 |
1.2 |
0.0 |
| 21170CP_46 |
520 |
20000 |
1.6 |
19.7239 |
3.7 |
0.1769 |
3.4 |
0.0253 |
1.8 |
0.12 |
161.2 |
2.9 |
165.5 |
5.3 |
196.0 |
79.0 |
161.2 |
2.9 |
0.8 |
| 21170CP_47 |
147 |
10000 |
1.5 |
17.452 |
3.8 |
0.4933 |
4.3 |
0.0625 |
3.0 |
0.50 |
390.6 |
11.7 |
407.4 |
14.0 |
461.0 |
86.0 |
390.6 |
11.7 |
0.8 |
| 21170CP_48 |
330 |
12500 |
1.3 |
20.202 |
3.2 |
0.1736 |
3.2 |
0.0254 |
1.4 |
0.25 |
162.0 |
2.2 |
162.6 |
4.8 |
161.0 |
66.0 |
162.0 |
2.2 |
1.0 |
| 21170CP_49 |
6580 |
-70000 |
0.0 |
19.2345 |
1.5 |
0.0569 |
2.1 |
0.0079 |
1.1 |
0.69 |
51.0 |
0.6 |
56.3 |
1.2 |
276.0 |
35.0 |
51.0 |
0.6 |
0.2 |
| 21170CP_50 |
463 |
27800 |
0.8 |
19.2678 |
2.3 |
0.2971 |
2.3 |
0.0415 |
1.2 |
0.19 |
262.4 |
3.1 |
264.3 |
5.4 |
262.0 |
51.0 |
262.4 |
3.1 |
1.0 |
| 21170CP_51 |
126 |
3200 |
1.0 |
19.1939 |
4.0 |
0.3199 |
3.8 |
0.0445 |
1.4 |
0.20 |
281.0 |
3.9 |
282.0 |
9.6 |
245.0 |
83.0 |
281.0 |
3.9 |
1.1 |
| 21170CP_52 |
401 |
12300 |
1.4 |
20.3666 |
3.5 |
0.1677 |
3.4 |
0.0248 |
1.3 |
0.23 |
157.8 |
2.1 |
157.5 |
5.0 |
127.0 |
71.0 |
157.8 |
2.1 |
1.2 |
| 21170CP_53 |
365 |
8800 |
1.6 |
20.4499 |
3.5 |
0.1719 |
3.1 |
0.0255 |
1.4 |
0.00 |
162.3 |
2.3 |
161.1 |
4.7 |
123.0 |
71.0 |
162.3 |
2.3 |
1.3 |
| 21170CP_54 |
720 |
19900 |
1.6 |
19.7628 |
2.2 |
0.1773 |
2.1 |
0.0254 |
0.9 |
0.19 |
161.8 |
1.5 |
165.8 |
3.2 |
205.0 |
47.0 |
161.8 |
1.5 |
0.8 |
| 21170CP_55 |
2547 |
90000 |
0.0 |
19.3798 |
1.9 |
0.0587 |
2.0 |
0.0083 |
1.2 |
0.33 |
53.0 |
0.6 |
57.9 |
1.2 |
256.0 |
45.0 |
53.0 |
0.6 |
0.2 |
| 21170CP_56 |
133 |
25000 |
1.6 |
13.7931 |
1.8 |
1.6089 |
1.8 |
0.161 |
1.2 |
0.30 |
962.4 |
11.1 |
974.3 |
11.0 |
981.0 |
37.0 |
962.4 |
11.1 |
1.0 |
| 21170CP_57 |
807 |
64000 |
0.6 |
16.488 |
1.2 |
0.7964 |
1.3 |
0.0953 |
1.0 |
0.40 |
586.7 |
5.5 |
595.2 |
5.9 |
618.0 |
27.0 |
586.7 |
5.5 |
0.9 |
| 21170CP_58 |
302 |
7700 |
1.7 |
18.9036 |
3.0 |
0.1861 |
3.1 |
0.0255 |
1.4 |
0.21 |
162.5 |
2.2 |
173.4 |
4.8 |
308.0 |
68.0 |
162.5 |
2.2 |
0.5 |
| 21170CP_59 |
200 |
5700 |
1.7 |
18.0832 |
4.9 |
0.1932 |
4.6 |
0.0254 |
1.5 |
0.19 |
161.4 |
2.4 |
179.5 |
7.7 |
334.0 |
98.0 |
161.4 |
2.4 |
0.5 |
| 21170CP_60 |
754 |
34400 |
1.1 |
19.9203 |
2.4 |
0.1699 |
2.4 |
0.0246 |
1.1 |
0.13 |
156.4 |
1.7 |
159.4 |
3.5 |
192.0 |
53.0 |
156.4 |
1.7 |
0.8 |
| 21170CP_61 |
7980 |
44000 |
0.1 |
20.3832 |
1.1 |
0.0519 |
1.4 |
0.0077 |
1.0 |
0.59 |
49.3 |
0.5 |
51.4 |
0.7 |
145.0 |
25.0 |
49.3 |
0.5 |
0.3 |
| 21170CP_62 |
272 |
84000 |
1.9 |
11.4416 |
1.7 |
2.5573 |
2.3 |
0.2123 |
1.2 |
0.66 |
1241.1 |
14.8 |
1289.3 |
18.0 |
1354.0 |
35.0 |
1241.1 |
14.8 |
0.9 |
filename:26534.xml
