This sample belongs to: Paul Green
Sample Name: GC1207-17
IGSN: IEGTK000H
Laboratory: Geotrack International
Analyst: Geotrack International
Mineral: apatite
Dosimeter Glass: CN5
Dosimeter Glass U ppm:
Irradiation: G1301
Count Date:
Locality:
Rock Type:
Rock Age:
Acquisition system: Zeiss Axioplan + Autoscan v7.5
Magnification:
Radiation Facility: OPAL
Total Thermal Neutron Fluence:
Position in Irradiation Canister (#): 1.00E+0
Area of Graticule Square: 6.293E-07
No. of Crystals Counted: 2.00E+1
Zeta Factor: 3.80E+2
Zeta Factor Error (1s): 5.70E+0
Rho d: 1.20E+6
Rho d (% Relative Error):
N d: 1.98E+3
Geometry factor (for EDM and Zeta ICPMS methods):
Etchant:
Etching Conditions:
Method - U: EDM
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: GC1207-17
Sample Description:
GeoObject Type: Individual Sample
Geoobject Classification:
Collection Method: Manual
Material: Rock
Latitude: -15.7494929
Longitude: 26.01743111
Sample Comment:
Collector:
Material Classification:
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: Geotrack International
Most Recent Archival Contact: paul.green@geotrack.com.au
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 |
|
8.97E+1 |
5.60E+0 |
5.60E+0 |
2.05E+1 |
1.90E+1 |
3.66E+1 |
|
|
|
8.90E+1 |
5.90E+0 |
5.90E+0 |
9.04E+0 |
|
|
|
|
|
|
|
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 |
3 |
10 |
56 |
60 |
|
|
|
2.65E+5 |
1.48E+6 |
|
|
|
|
|
14.1 |
|
40.7 |
14.0 |
14.0 |
|
|
|
0.02 |
|
|
|
|
|
|
|
10 |
21 |
48 |
48 |
|
|
|
6.95E+5 |
1.59E+6 |
|
|
|
|
|
15.1 |
|
99.3 |
26.1 |
26.1 |
|
|
|
0.01 |
|
|
|
|
|
|
|
11 |
6 |
16 |
20 |
|
|
|
4.77E+5 |
1.27E+6 |
|
|
|
|
|
12.1 |
|
85.2 |
40.9 |
40.9 |
|
|
|
0.01 |
|
|
|
|
|
|
|
12 |
4 |
11 |
27 |
|
|
|
2.35E+5 |
6.47E+5 |
|
|
|
|
|
6.1 |
|
82.6 |
48.3 |
48.3 |
|
|
|
0.02 |
|
|
|
|
|
|
|
13 |
20 |
64 |
60 |
|
|
|
5.30E+5 |
1.70E+6 |
|
|
|
|
|
16.1 |
|
71.1 |
18.3 |
18.3 |
|
|
|
0.02 |
|
|
|
|
|
|
|
14 |
55 |
116 |
100 |
|
|
|
8.74E+5 |
1.84E+6 |
|
|
|
|
|
17.5 |
|
107.6 |
17.8 |
17.8 |
|
|
|
0.02 |
|
|
|
|
|
|
|
15 |
29 |
70 |
40 |
|
|
|
1.15E+6 |
2.78E+6 |
|
|
|
|
|
26.4 |
|
94.1 |
20.9 |
20.9 |
|
|
|
0.02 |
|
|
|
|
|
|
|
16 |
20 |
45 |
50 |
|
|
|
6.36E+5 |
1.43E+6 |
|
|
|
|
|
13.6 |
|
100.9 |
27.2 |
27.2 |
|
|
|
0.02 |
|
|
|
|
|
|
|
17 |
30 |
87 |
70 |
|
|
|
6.81E+5 |
1.98E+6 |
|
|
|
|
|
18.7 |
|
78.4 |
16.7 |
16.7 |
|
|
|
0.02 |
|
|
|
|
|
|
|
19 |
12 |
51 |
60 |
|
|
|
3.18E+5 |
1.35E+6 |
|
|
|
|
|
12.8 |
|
53.6 |
17.3 |
17.3 |
|
|
|
0.02 |
|
|
|
|
|
|
|
20 |
47 |
112 |
80 |
|
|
|
9.34E+5 |
2.22E+6 |
|
|
|
|
|
21.1 |
|
95.3 |
16.8 |
16.8 |
|
|
|
0.02 |
|
|
|
|
|
|
|
21 |
8 |
16 |
16 |
|
|
|
7.94E+5 |
1.59E+6 |
|
|
|
|
|
15.1 |
|
113.4 |
49.2 |
49.2 |
|
|
|
0.04 |
|
|
|
|
|
|
|
23 |
11 |
37 |
40 |
|
|
|
4.37E+5 |
1.47E+6 |
|
|
|
|
|
13.9 |
|
67.6 |
23.3 |
23.3 |
|
|
|
0.03 |
|
|
|
|
|
|
|
24 |
23 |
78 |
50 |
|
|
|
7.31E+5 |
2.48E+6 |
|
|
|
|
|
23.5 |
|
67.1 |
16.0 |
16.0 |
|
|
|
0.02 |
|
|
|
|
|
|
|
25 |
56 |
110 |
100 |
|
|
|
8.90E+5 |
1.75E+6 |
|
|
|
|
|
16.6 |
|
115.4 |
19.2 |
19.2 |
|
|
|
0.02 |
|
|
|
|
|
|
|
26 |
3 |
8 |
21 |
|
|
|
2.27E+5 |
6.05E+5 |
|
|
|
|
|
5.7 |
|
85.2 |
57.7 |
57.7 |
|
|
|
0.02 |
|
|
|
|
|
|
|
27 |
34 |
69 |
49 |
|
|
|
1.10E+6 |
2.24E+6 |
|
|
|
|
|
21.2 |
|
111.7 |
23.6 |
23.6 |
|
|
|
0.02 |
|
|
|
|
|
|
|
28 |
10 |
39 |
72 |
|
|
|
2.21E+5 |
8.61E+5 |
|
|
|
|
|
8.2 |
|
58.4 |
20.8 |
20.8 |
|
|
|
0.02 |
|
|
|
|
|
|
|
29 |
19 |
35 |
40 |
|
|
|
7.55E+5 |
1.39E+6 |
|
|
|
|
|
13.2 |
|
123.0 |
35.2 |
35.2 |
|
|
|
0.02 |
|
|
|
|
|
|
|
33 |
30 |
67 |
70 |
|
|
|
6.81E+5 |
1.52E+6 |
|
|
|
|
|
14.4 |
|
101.6 |
22.5 |
22.5 |
|
|
|
0.01 |
|
|
|
|
|
|
|
Grain ID |
Length |
Angle to C axis |
Dpar |
Tint or Tincle |
Depth |
Width |
Probability of this being a confined length |
Number of times Intersected |
3 |
15.27 |
63.89 |
|
Tint |
|
|
|
|
4 |
14.56 |
34.81 |
|
Tincle |
|
4.77 |
|
|
5 |
11.91 |
8.61 |
|
Tincle |
|
3.78 |
|
|
5 |
13.52 |
49.05 |
|
Tincle |
|
4.4 |
|
|
6 |
12.57 |
53.87 |
|
Tint |
|
|
|
|
6 |
12.15 |
24.76 |
|
Tincle |
|
1.28 |
|
|
7 |
13.21 |
67.65 |
|
Tincle |
|
1.36 |
|
|
7 |
12.36 |
84.55 |
|
Tincle |
|
0.71 |
|
|
8 |
13.24 |
75.88 |
|
Tincle |
|
1.26 |
|
|
8 |
13.21 |
25.43 |
|
Tincle |
|
1.05 |
|
|
8 |
11.96 |
76.53 |
|
Tincle |
|
1.48 |
|
|
8 |
13.58 |
17.57 |
|
Tincle |
|
0.84 |
|
|
9 |
11.14 |
84.34 |
|
Tincle |
|
0.84 |
|
|
9 |
12.25 |
79.86 |
|
Tincle |
|
0.61 |
|
|
9 |
11.09 |
83.56 |
|
Tincle |
|
1.29 |
|
|
9 |
13.51 |
59.94 |
|
Tint |
|
|
|
|
10 |
11.5 |
48.42 |
|
Tincle |
|
1.25 |
|
|
10 |
15.24 |
40.66 |
|
Tincle |
|
1.53 |
|
|
10 |
12.42 |
59.7 |
|
Tincle |
|
0.84 |
|
|
10 |
13.57 |
44.87 |
|
Tincle |
|
6.27 |
|
|
11 |
11.96 |
22.13 |
|
Tincle |
|
4.95 |
|
|
12 |
10.24 |
45.95 |
|
Tincle |
|
2.08 |
|
|
12 |
12.43 |
87.79 |
|
Tincle |
|
0.82 |
|
|
12 |
12.77 |
76.84 |
|
Tincle |
|
1.05 |
|
|
13 |
16.56 |
38.55 |
|
Tincle |
|
0.7 |
|
|
13 |
14.98 |
68.39 |
|
Tincle |
|
0.67 |
|
|
13 |
14.62 |
57.31 |
|
Tincle |
|
3.58 |
|
|
13 |
14.05 |
46.28 |
|
Tincle |
|
0.66 |
|
|
13 |
12.7 |
53.54 |
|
Tincle |
|
0.67 |
|
|
13 |
14.44 |
56 |
|
Tincle |
|
2.11 |
|
|
13 |
13.28 |
24.64 |
|
Tincle |
|
5.6 |
|
|
13 |
12.81 |
76.45 |
|
Tincle |
|
1.48 |
|
|
14 |
13.78 |
25.84 |
|
Tincle |
|
4.45 |
|
|
14 |
12.33 |
18.11 |
|
Tincle |
|
5.84 |
|
|
15 |
12.68 |
79.74 |
|
Tincle |
|
1.34 |
|
|
15 |
11.28 |
78.25 |
|
Tincle |
|
1.99 |
|
|
16 |
13.71 |
79.29 |
|
Tincle |
|
0.99 |
|
|
16 |
13.93 |
59.4 |
|
Tincle |
|
0.41 |
|
|
16 |
14.74 |
73.26 |
|
Tincle |
|
0.63 |
|
|
16 |
14.09 |
39.94 |
|
Tincle |
|
0.7 |
|
|
17 |
13.97 |
39.82 |
|
Tincle |
|
5.06 |
|
|
17 |
13.42 |
76.93 |
|
Tincle |
|
1.78 |
|
|
18 |
13.53 |
18.58 |
|
Tincle |
|
4.08 |
|
|
18 |
14.48 |
8.61 |
|
Tincle |
|
4.25 |
|
|
19 |
13.87 |
66.41 |
|
Tincle |
|
1.44 |
|
|
19 |
16.61 |
49.75 |
|
Tincle |
|
1.65 |
|
|
20 |
13.33 |
50.31 |
|
Tincle |
|
1.77 |
|
|
20 |
13.62 |
66.28 |
|
Tincle |
|
1.9 |
|
|
20 |
14.51 |
75.55 |
|
Tincle |
|
0.8 |
|
|
21 |
13.69 |
78.71 |
|
Tincle |
|
1.15 |
|
|
22 |
13.72 |
69.69 |
|
Tincle |
|
0.24 |
|
|
23 |
14.56 |
71.9 |
|
Tincle |
|
1.53 |
|
|
23 |
17.03 |
44.2 |
|
Tincle |
|
1.72 |
|
|
23 |
15.16 |
71.14 |
|
Tincle |
|
1.21 |
|
|
24 |
14.98 |
79.42 |
|
Tincle |
|
2.96 |
|
|
25 |
14.94 |
38.79 |
|
Tincle |
|
3.09 |
|
|
25 |
14.68 |
26.33 |
|
Tincle |
|
2.9 |
|
|
26 |
15.2 |
61.17 |
|
Tincle |
|
1.9 |
|
|
26 |
13.57 |
65.09 |
|
Tincle |
|
2.04 |
|
|
26 |
12.53 |
72.98 |
|
Tincle |
|
1.3 |
|
|
27 |
12.36 |
53.61 |
|
Tincle |
|
1.24 |
|
|
27 |
14.51 |
78.48 |
|
Tincle |
|
0.65 |
|
|
27 |
11.5 |
62.99 |
|
Tincle |
|
1.12 |
|
|
28 |
12.35 |
85.14 |
|
Tincle |
|
2.17 |
|
|
28 |
13.08 |
48.63 |
|
Tincle |
|
4.07 |
|
|
28 |
11.17 |
79.35 |
|
Tincle |
|
1.59 |
|
|
29 |
14.47 |
24.19 |
|
Tincle |
|
1.47 |
|
|
29 |
14.3 |
33.49 |
|
Tincle |
|
0.82 |
|
|
29 |
14.21 |
60.98 |
|
Tincle |
|
0.79 |
|
|
29 |
12.51 |
68.38 |
|
Tincle |
|
1.17 |
|
|
29 |
14.23 |
47.28 |
|
Tincle |
|
2.11 |
|
|
29 |
13.01 |
73.65 |
|
Tincle |
|
0.59 |
|
|
29 |
11.08 |
49.5 |
|
Tincle |
|
0.38 |
|
|
29 |
12.53 |
20.38 |
|
Tincle |
|
2.8 |
|
|
29 |
14.22 |
24.73 |
|
Tincle |
|
3.03 |
|
|
29 |
13.61 |
31.23 |
|
Tincle |
|
0.66 |
|
|
29 |
13.94 |
55.8 |
|
Tincle |
|
0.93 |
|
|
30 |
15.46 |
32.92 |
|
Tincle |
|
3.74 |
|
|
31 |
13.83 |
81.22 |
|
Tincle |
|
2.47 |
|
|
31 |
14.78 |
73.57 |
|
Tincle |
|
0.82 |
|
|
31 |
11.13 |
86.01 |
|
Tincle |
|
1.32 |
|
|
32 |
12.06 |
34.48 |
|
Tincle |
|
1.08 |
|
|
32 |
12.3 |
8.08 |
|
Tincle |
|
2.68 |
|
|
33 |
13.7 |
30.94 |
|
Tincle |
|
2.62 |
|
|
33 |
12.63 |
59.92 |
|
Tincle |
|
0.92 |
|
|
33 |
13.64 |
80.23 |
|
Tincle |
|
0.61 |
|
|
34 |
12.2 |
11.9 |
|
Tincle |
|
2.75 |
|
|
34 |
10.46 |
68.1 |
|
Tincle |
|
1.87 |
|
|
34 |
15.31 |
19.14 |
|
Tincle |
|
4.11 |
|
|
34 |
15.85 |
24.61 |
|
Tincle |
|
4.4 |
|
|
35 |
13.43 |
36.44 |
|
Tincle |
|
4.68 |
|
|
35 |
14.06 |
61.93 |
|
Tincle |
|
4.3 |
|
|
36 |
15.45 |
24.17 |
|
Tincle |
|
5.2 |
|
|
36 |
14.05 |
25.59 |
|
Tincle |
|
4.35 |
|
|
37 |
13.95 |
43.27 |
|
Tincle |
|
2.79 |
|
|
37 |
15.6 |
81.53 |
|
Tincle |
|
0.88 |
|
|
37 |
12.82 |
22.69 |
|
Tincle |
|
1.75 |
|
|
37 |
15.54 |
62.37 |
|
Tincle |
|
0.6 |
|
|
37 |
13.46 |
67.54 |
|
Tincle |
|
1.36 |
|
|
37 |
13.91 |
76.52 |
|
Tincle |
|
2.81 |
|
|
filename:19559.xml