This sample belongs to: ANTONELLA GALETTO

Sample Details
Sample Name: TF_17 (AFT)
IGSN: IEATG1617
Laboratory: Laboratory of thermochronology of the Università Degli Study di Padova (Italy).
Analyst: Antonella Galetto, with Prof. Massimiliano Zattin supervision
Mineral: APATITE
Dosimeter Glass: CN5
Dosimeter Glass U ppm: 12.5
Irradiation: Radiation Center of Oregon State University
Count Date: 2016
Locality: Northern Neuquén province, Argentina
Rock Type: Sandstone
Rock Age: Kimmeridgian-Tithonian
Acquisition system:
Magnification:
Radiation Facility:
Total Thermal Neutron Fluence: 9.00E+15 n/(cm2)
Position in Irradiation Canister (#):
Area of Graticule Square:
No. of Crystals Counted: 44
Zeta Factor: 342.92
Zeta Factor Error (1s): ± 8.66
Rho d:
Rho d (% Relative Error): 1.05E+06
N d: 6546.6
Geometry factor (for EDM and Zeta ICPMS methods):
Etchant:
Etching Conditions: 5 N (HNO3) for 21 seconds at 21°C
Method - U:
ICPMS Model:
Laser Model and Type:
Instrumental Method References:
U Calibration Standard: Fish Canyon; Durango
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 Metadata
Sample ID: TF_17
Sample Description: Sandstone
GeoObject Type: Individual Sample
Geoobject Classification:
Collection Method:
Material: Rock
Latitude:
Longitude:
Sample Comment:
Collector:
Material Classification:
Primary Location Name:
Primary Location Type:
Location Description:
Locality:
Locality Description:
Country: Argentina
Provice: Neuquén
County:
City Or Township:
Platform:
Platform ID:
Original Archival Institution:
Original Archival Contact:
Most Recent Archival Institution:
Most Recent Archival Contact:

Age(s)
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

Apatite Age
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 5 13 1.41 1610 68.9 36.3
2 5 31 1.75 2572 29 14
3 2 14 1.545 1552 25.7 19.4
4 6 17 1.56 1613 63.2 30.1
5 2 4 1.9 1885 89.4 77.5
6 20 66 2.22 1605 54.3 14
7 7 18 1.65 2874 69.6 31.1
8 6 48 1.54 2700 22.5 9.7
9 5 14 1.32 1608 64 33.4
10 3 18 1.74 3275 29.9 18.7
11 1 9 1.61 1797 20 21.1
12 5 13 1.39 1781 68.9 36.3
13 5 28 1.96 1798 32.1 15.6
14 7 22 1.86 1671 57 24.8
15 9 45 1.56 1853 35.90 13.20
16 4 21 1.99 1719 34.20 18.70
17 2 7 2.54 2225 51.20 41.10
18 8 26 2.07 2123 55.20 22.40
19 11 52 1.65 2434 38.00 12.60
20 2 5 2.86 1828 71.60 60.00
21 3 15 2.66 2236 35.90 22.70
22 2 9 1.91 2087 39.90 31.20
23 8 42 1.55 1629 34.2 13.2
24 1 10 2.25 2965 18.00 18.90
25 11 82 1.84 3335 24.1 7.8
26 2 19 2.55 3058 18.9 14.1
27 27 105 1.64 2224 46.1 10
28 3 7 2.04 1686 76.7 53
29 3 6 1.75 2144 89.4 63.3
30 2 6 1.65 2120 59.7 48.8
31 9 28 1.96 1608 57.6 22.1
32 2 6 2.21 1813 59.7 48.8
33 2 7 1.795 1628 51.2 41.1
34 8 39 2.02 1748 36.8 14.3
35 4 8 2.01 1685 89.4 54.8
36 1 6 1.84 2035 29.9 32.3
37 3 12 2.175 1658 44.9 29
38 3 6 1.44 1606 89.4 63.3
39 23 66 2.28 2328 62.4 15.2
40 2 6 2.15 1643 59.7 48.8
41 10 31 1.56 1953 57.8 21.1
42 6 13 2.486 2386 82.6 40.8
43 3 12 1.63 2053 44.9 29
44 6 9 2.56 2006 118.9 62.8

Grain Lengths
Grain ID Length Angle to C axis Dpar Tint or Tincle Depth Width Probability of this being a confined length Number of times Intersected
Grain 01 12.63 80.15 1.56 100
Grain 02 11.6 29.98 1.84 100
Grain 03 14.37 40.13 1.64 100
Grain 03 13.13 27.18 1.64 100
Grain 04 16.25 5.46 2.28 100
Grain 04 11.95 63.03 2.28 100
Grain 05 11.72 40.19 1.56 100
filename:22599.xml
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