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Sample Name: C4
IGSN: IESZH000V
Laboratory: Rio Grande do Sul
Analyst: Andrea R. Jelinek
Mineral: apatite
Dosimeter Glass: CN5
Dosimeter Glass U ppm: 12.5
Irradiation:
Count Date:
Locality: Cuevas Range
Rock Type: Granite
Rock Age:
Acquisition system: Axioplan Zeiss Microscope and the Autoscan System
Magnification: 1000
Radiation Facility: Orphèe reactor
Total Thermal Neutron Fluence:
Position in Irradiation Canister (#):
Area of Graticule Square:
No. of Crystals Counted: 26
Zeta Factor: 258.2
Zeta Factor Error (1s): 10.2
Rho d: 536700
Rho d (% Relative Error):
N d: 10730
Geometry factor (for EDM and Zeta ICPMS methods): 0.5
Etchant: 5.5 N nitric acid
Etching Conditions: 21°C 20 sec
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: C4
Sample Description:
GeoObject Type: Other
Geoobject Classification:
Collection Method:
Material: Rock
Latitude: -27.04444
Longitude: -66.63805
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:
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
SingleAge

Grain ID	N s	N i	Dpar	# of Etch Figures
1	30	20	2.3	5
2	31	18	1.9	5
3	35	26	1.9	5
4	56	33	2.4	5
5	56	33	2.0	5
6	32	19	2.3	5
7	49	28	2.1	5
8	35	20	2.0	5
9	53	30	2.4	5
10	44	24	2.0	5
11	35	22	2.0	5
12	42	23	2.4	5
13	25	13	1.9	5
14	37	20	2.2	5
15	29	12	1.7	5
16	20	11	2.0	5
17	29	12	2.2	5
18	39	20	2.0	5
19	38	30	2.1	5
20	49	24	2.1	5
21	50	32	2.0	5
22	53	27	2.1	5
23	34	22	1.6	5
24	42	21	2.6	5
25	47	30	2.3	5
26	53	36	2.3	5

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 ID	N s	N i	Dpar	# of Etch Figures
1	30	20	2.3	5
2	31	18	1.9	5
3	35	26	1.9	5
4	56	33	2.4	5
5	56	33	2.0	5
6	32	19	2.3	5
7	49	28	2.1	5
8	35	20	2.0	5
9	53	30	2.4	5
10	44	24	2.0	5
11	35	22	2.0	5
12	42	23	2.4	5
13	25	13	1.9	5
14	37	20	2.2	5
15	29	12	1.7	5
16	20	11	2.0	5
17	29	12	2.2	5
18	39	20	2.0	5
19	38	30	2.1	5
20	49	24	2.1	5
21	50	32	2.0	5
22	53	27	2.1	5
23	34	22	1.6	5
24	42	21	2.6	5
25	47	30	2.3	5
26	53	36	2.3	5

Grain ID	N s	N i	Dpar	# of Etch Figures
1	30	20	2.3	5
2	31	18	1.9	5
3	35	26	1.9	5
4	56	33	2.4	5
5	56	33	2.0	5
6	32	19	2.3	5
7	49	28	2.1	5
8	35	20	2.0	5
9	53	30	2.4	5
10	44	24	2.0	5
11	35	22	2.0	5
12	42	23	2.4	5
13	25	13	1.9	5
14	37	20	2.2	5
15	29	12	1.7	5
16	20	11	2.0	5
17	29	12	2.2	5
18	39	20	2.0	5
19	38	30	2.1	5
20	49	24	2.1	5
21	50	32	2.0	5
22	53	27	2.1	5
23	34	22	1.6	5
24	42	21	2.6	5
25	47	30	2.3	5
26	53	36	2.3	5

Grain ID	N s	N i	Dpar	# of Etch Figures
1	30	20	2.3	5
2	31	18	1.9	5
3	35	26	1.9	5
4	56	33	2.4	5
5	56	33	2.0	5
6	32	19	2.3	5
7	49	28	2.1	5
8	35	20	2.0	5
9	53	30	2.4	5
10	44	24	2.0	5
11	35	22	2.0	5
12	42	23	2.4	5
13	25	13	1.9	5
14	37	20	2.2	5
15	29	12	1.7	5
16	20	11	2.0	5
17	29	12	2.2	5
18	39	20	2.0	5
19	38	30	2.1	5
20	49	24	2.1	5
21	50	32	2.0	5
22	53	27	2.1	5
23	34	22	1.6	5
24	42	21	2.6	5
25	47	30	2.3	5
26	53	36	2.3	5