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Sample Name: 15SACZ-04A
IGSN: IE2320003
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: 206
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 (#): 9
Area of Graticule Square: 8.30E-07
No. of Crystals Counted: 14
Zeta Factor: 139.15
Zeta Factor Error (1s): 4.29
Rho d: 2.34E+05
Rho d (% Relative Error): 1.38
N d: 3882
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-04A
Sample Description: Orthogneiss
GeoObject Type: Individual Sample
Geoobject Classification:
Collection Method:
Material: Rock
Latitude: 6.94883
Longitude: -72.97473
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
Cooling						14	2.7				94.9	14.8	14.8	20

Grain ID	N s	N i	Rho s	Rho i	Area (Ω)	U ppm	U error (1s)	Age (Ma)	Age error +1s
1	184	20	1,39E+07	1,51E+06	16	322	143	146.8	93.3
2	54	10	1,08E+07	2,01E+06	6	430.000	265	86.1	44.1
3	102	14	2,05E+07	2,81E+06	6	601	316	116.2	67.1
4	47	13	1,42E+07	3,92E+06	4	838	457	58	31.2
5	135	17	1,63E+07	2,05E+06	10	438	210	126.8	77.2
6	48	13	1,45E+07	3,92E+06	4	838	457	59.2	31.9
7	114	18	1,53E+07	2,41E+06	9	516	240	101.4	62
8	75	17	1,51E+07	3,41E+06	6	730	350	70.8	41.8
9	196	23	1,18E+07	1,39E+06	20	296	123	136.2	89
10	47	18	7,08E+06	2,71E+06	8	580	270	42.1	24.1
11	50	10	1,51E+07	3,01E+06	4	644	398	79.8	40.6
12	194	32	1,46E+07	2,41E+06	16	516	181	97.4	67.1
13	96	15	9,64E+06	1,51E+06	12	322	164	102.3	59.7
14	171	26	1,03E+07	1,57E+06	20	335	131	105.5	70.1

Grain ID	Length	Angle to C axis	Dpar	Tint or Tincle	Depth	Width	Probability of this being a confined length	Number of times Intersected