This sample belongs to: Nicolas Villamizar Escalante
Sample Name: 15SACZ-08
IGSN: IE2320007
Laboratory: Grenoble Alpes
Analyst: Villamizar-Escalante Nicolas
Mineral: Zircon
Dosimeter Glass: IRMM 541
Dosimeter Glass U ppm: 50
Irradiation: 1-2016
Count Date:
Locality: Colombia
Rock Type: Plutonic rock
Rock Age: 201
Acquisition system: Olympus BH-2 microscope
Magnification: 1250x
Radiation Facility: FRM II Munich
Total Thermal Neutron Fluence: 0.5 ×10^15 n/cm2
Position in Irradiation Canister (#): 14
Area of Graticule Square: 8,30E-07
No. of Crystals Counted: 15
Zeta Factor: 139,15
Zeta Factor Error (1s): 4.29
Rho d: 2,37E+05
Rho d (% Relative Error): 1.26
N d: 3942
Geometry factor (for EDM and Zeta ICPMS methods): 0.5
Etchant: NaOH-KOH
Etching Conditions: 228°C
Method - U:
ICPMS Model:
Laser Model and Type:
Instrumental Method References:
U Calibration Standard:
U ppm of Standard:
Specific Denisty of Dated Mineral:
Avagadro Constant:
Registration Factor (Rsp):
Etching Correction Factor (k):
ICPMS Zeta Standard:
Standard Age:
Standard Age Error:
Primary Zeta:
1 sigma Uncertainty:
Session (Modified) Zeta:
1 sigma (Modified) Uncertainty:
Comment:
Chemistry Method:
Chemistry Laboratory:
Chemistry Comment:
238U Decay Constant: 1.55125E-10
238U Decay Constant Error:
235U Decay Constant: 9.84850E-10
235U Decay Constant Error:
232Th Decay Constant : 4.94750E-11
232Th Decay Constant Error:
Spontaneous Fission Decay Constant: 8.46E-17
Spontaneous Fission Decay Constant Error:
238U/235U: 137.88
Fission Decay Constant Reference: Spadavecchia , A. & Hahn, B. (1967). Die Rotationskammer und einige Anwendungen. Helvetica Physica Acta, 40, p. 1063-1079
Decay Constant References: Steiger, R.H. and Jager, E., 1977, Subcommission on geochronology: Convention on the use of decay constants in geo- and cosmochronology. Earth and Planetary Science Letters, v. 36, no. 3, p. 359-362
Decay Constant Comment:
Sample ID: 15SACZ-08
Sample Description: quartz monzonite
GeoObject Type: Individual Sample
Geoobject Classification: Felsic
Collection Method:
Material: Rock
Latitude: 6.90638
Longitude: -72.886961
Sample Comment:
Collector:
Material Classification: Felsic
Primary Location Name:
Primary Location Type:
Location Description:
Locality:
Locality Description:
Country:
Provice:
County:
City Or Township:
Platform:
Platform ID:
Original Archival Institution:
Original Archival Contact:
Most Recent Archival Institution:
Most Recent Archival Contact:
| Analysis Purpose |
Preferred Age Type |
Pooled Age |
Pooled Age Error +95% |
Pooled Age Error -95% |
Chi-squared Value |
Degrees of Freedom |
P (Chi-suqared) |
Mean Crystal Age |
Mean Crystal Age Error +95% |
Mean Crystal Age Error -95% |
Central Age |
Central Age Error +95% |
Central Age Error -95% |
Central Age - Age Dispersion (%) |
Binomial Age |
Binomial Age Error +95% |
Binomial Age Error -95% |
Other Age |
Other Age Error |
Preferred Age Explanation |
Age Reference |
| Cooling |
|
|
|
|
|
15 |
0.3 |
|
|
|
114.9 |
29.5 |
29.5 |
36.4 |
|
|
|
|
|
|
|
| Grain ID |
N s |
N i |
Na |
Dpar |
Dper |
Rmr0 |
Rho s |
Rho i |
Rho s / Rho i |
Area (Ω) |
# of Etch Figures |
238U/43Ca |
error (1σ) |
U ppm |
U error (1s) |
Age (Ma) |
Age error +1s |
Age error -1s |
CaO |
P2O5 |
F |
Cl |
SrO |
BaO |
Si02 |
Na2O |
CeO2 |
FeO |
Total |
| 1 |
57 |
14 |
|
|
|
|
1,14E+07 |
2,81E+06 |
|
6 |
|
|
|
592 |
311 |
66.3 |
36.9 |
|
|
|
|
|
|
|
|
|
|
|
|
| 2 |
99 |
15 |
|
|
|
|
1,33E+07 |
2,01E+06 |
|
9 |
|
|
|
423 |
215 |
107.1 |
62.6 |
|
|
|
|
|
|
|
|
|
|
|
|
| 3 |
57 |
9 |
|
|
|
|
1,14E+07 |
1,81E+06 |
|
6 |
|
|
|
381 |
247 |
102.2 |
51.2 |
|
|
|
|
|
|
|
|
|
|
|
|
| 4 |
63 |
13 |
|
|
|
|
1,27E+07 |
2,61E+06 |
|
6 |
|
|
|
550 |
300 |
78.7 |
43.4 |
|
|
|
|
|
|
|
|
|
|
|
|
| 5 |
84 |
13 |
|
|
|
|
1,69E+07 |
2,61E+06 |
|
6 |
|
|
|
550 |
300 |
104.7 |
58.8 |
|
|
|
|
|
|
|
|
|
|
|
|
| 6 |
54 |
8 |
|
|
|
|
1,63E+07 |
2,41E+06 |
|
4 |
|
|
|
508 |
349 |
108.6 |
52.5 |
|
|
|
|
|
|
|
|
|
|
|
|
| 7 |
60 |
7 |
|
|
|
|
1,20E+07 |
1,41E+06 |
|
6 |
|
|
|
296 |
216 |
137.2 |
64.3 |
|
|
|
|
|
|
|
|
|
|
|
|
| 8 |
129 |
14 |
|
|
|
|
7,77E+06 |
8,43E+05 |
|
20 |
|
|
|
178 |
93 |
148.8 |
86.8 |
|
|
|
|
|
|
|
|
|
|
|
|
| 9 |
96 |
8 |
|
|
|
|
1,93E+07 |
1,61E+06 |
|
6 |
|
|
|
338 |
232 |
191.6 |
95.8 |
|
|
|
|
|
|
|
|
|
|
|
|
| 10 |
69 |
5 |
|
|
|
|
1,39E+07 |
1,00E+06 |
|
6 |
|
|
|
212 |
180 |
217.5 |
92.4 |
|
|
|
|
|
|
|
|
|
|
|
|
| 11 |
63 |
3 |
|
|
|
|
9,49E+06 |
4,52E+05 |
|
8 |
|
|
|
95 |
102 |
321.9 |
112.3 |
|
|
|
|
|
|
|
|
|
|
|
|
| 12 |
72 |
10 |
|
|
|
|
1,45E+07 |
2,01E+06 |
|
6 |
|
|
|
423 |
261 |
116.2 |
60.7 |
|
|
|
|
|
|
|
|
|
|
|
|
| 13 |
67 |
24 |
|
|
|
|
8,97E+06 |
3,21E+06 |
|
9 |
|
|
|
677 |
274 |
45.7 |
28.4 |
|
|
|
|
|
|
|
|
|
|
|
|
| 14 |
82 |
11 |
|
|
|
|
1,65E+07 |
2,21E+06 |
|
6 |
|
|
|
465 |
275 |
120.4 |
64.9 |
|
|
|
|
|
|
|
|
|
|
|
|
| 15 |
48 |
3 |
|
|
|
|
9,64E+06 |
6,02E+05 |
|
6 |
|
|
|
127 |
136 |
246.9 |
84.6 |
|
|
|
|
|
|
|
|
|
|
|
|
| Grain ID |
Length |
Angle to C axis |
Dpar |
Tint or Tincle |
Depth |
Width |
Probability of this being a confined length |
Number of times Intersected |
filename:26418.xml
