Table 2. 

Summary of SHRIMP U/Pb monazite data for sample A 39-01 (Nogolí Metamorphic Complex)

Grain/spot206PbcU (ppm)Th (ppm)232Th/238U206Pb* (ppm)Apparent ages (Ma) 238U/206Pb(tot)± (%)207Pb/206Pb(tot)± (%)238U/206Pb**± (%)208Pb*/232Th*± (%)207Pb*/235U*± (%)206Pb*/238U*± (%)Error corr.Age (Ma)
206Pb/238U*207Pb/206Pb*208Pb/232Th*
3.10.113923343069.0248.0457.3± 3.7445± 2413.591.00.05670.5413.61.00.02355.20.56591.50.073521.00.688469± 25
12.10.046261288244.8414.4478.3± 3.7456± 1113.641.30.056420.3913.641.30.0254.40.56661.40.07331.30.932500± 22
8.10.1518823196817.6122.0468.3± 4.1478± 3113.250.790.057850.6913.260.80.02341.00.58891.60.075390.80.487467± 5
16.10.3918003794921.8117.1469.3± 4.2449± 4313.230.820.059070.7713.280.830.02351.00.582.10.07530.830.389470± 5
4.10.1023535268523.1153.3470.7± 4.1535± 2513.170.80.058980.7313.180.80.02381.10.60811.40.075860.80.573476± 5
13.20.3519224390423.6127.6478.3± 4.3432± 3912.960.890.058290.7613.010.90.02391.00.5882.00.076880.90.450477± 5
1.10.2214142682819.694.4481.7± 4.6464± 4613.170.870.058070.8913.20.880.02452.20.5882.30.075770.880.385490± 11
2.10.8418323312018.7121.2474.7± 4.3413± 6012.961.10.061760.7413.071.10.02461.00.5793.00.076491.10.370491± 5
6.10.4820314578423.3136.0482.0± 4.4413± 5012.840.830.058840.8012.90.840.02381.00.5882.40.077510.840.346476± 5
7.10.6913112486619.687.1477.3± 4.5336± 6312.530.870.058640.8612.610.880.0241.10.5813.00.07930.880.293480± 5
14.10.4913953436925.593.4482.0± 4.5382± 4912.670.850.058120.8212.730.860.02421.00.5872.40.078570.860.355483± 5
9.10.3125523915815.9167.7473.9± 4.0416± 3812.890.770.057570.6412.930.780.02421.40.5871.90.077320.780.409483± 7
13.10.1722144080219.0151.9494.7± 4.4482± 2812.690.80.058110.7412.710.810.02493.00.6151.50.078650.810.526498± 15
5.10.2411792884625.379.4485.2± 4.8516± 3712.840.910.059590.9512.870.910.0241.40.6171.90.077690.910.474479± 7
11.10.073385305799.3231.2492.8± 4.0455± 1712.660.740.056650.5212.670.740.02491.00.61061.10.078930.740.695497± 5
10.10.154778367007.9313.0473.1± 3.7466± 1612.870.730.057560.4212.890.730.02342.10.60251.00.077570.730.698468± 10
15.1−0.034357394269.3287.4476.9± 3.9494± 1312.810.780.056810.5412.810.780.02391.30.61431.00.078070.780.784477± 6
  • Errors are 1σ; Pbc and Pb* indicate the common and radiogenic portions, respectively

  • *Common Pb corrected using measured 204Pb.