age strontium.ratio 
 91.785253   0.707343
 92.395786   0.707359
 93.970611   0.707410
 95.575768   0.707438
 95.602863   0.707463
112.336906   0.707320
112.435019   0.707316
112.522509   0.707274
112.601250   0.707220
108.662000   0.707378
109.304000   0.707355
109.374000   0.707365
117.161000   0.707301
117.296000   0.707321
104.423986   0.707425
104.462387   0.707447
104.551577   0.707495
104.701464   0.707450
104.786937   0.707458
104.864977   0.707468
106.062838   0.707441
106.097523   0.707426
115.185926   0.707255
115.594074   0.707247
116.586296   0.707277
123.000000   0.707465
101.574000   0.707419
114.441000   0.707194
115.182000   0.707224
115.236000   0.707266
115.407000   0.707226
115.410000   0.707250
118.901000   0.707367
119.163000   0.707389
117.971000   0.707258
117.974000   0.707270
118.975000   0.707331
 98.060000   0.707384
 98.240000   0.707387
 99.840000   0.707425
100.740000   0.707402
101.500000   0.707453
102.100000   0.707451
102.810000   0.707428
104.570000   0.707399
105.340000   0.707436
106.190000   0.707440
106.200000   0.707410
106.940000   0.707409
107.460000   0.707390
107.570000   0.707404
108.010000   0.707409
108.190000   0.707416
108.400000   0.707402
108.550000   0.707388
108.750000   0.707364
108.960000   0.707372
108.970000   0.707381
109.170000   0.707373
109.360000   0.707373
109.580000   0.707346
109.760000   0.707379
109.930000   0.707344
110.090000   0.707307
110.120000   0.707330
110.370000   0.707318
110.520000   0.707307
110.690000   0.707319
110.880000   0.707298
111.290000   0.707306
111.480000   0.707271
111.690000   0.707254
111.880000   0.707244
112.210000   0.707221
112.460000   0.707215
112.660000   0.707252
112.860000   0.707278
118.687692   0.707374
119.782308   0.707446
120.192308   0.707425
120.308462   0.707449
120.456154   0.707454
120.586923   0.707440
120.992308   0.707465
121.142308   0.707437
121.313077   0.707459
121.791538   0.707459
121.873077   0.707452
122.064615   0.707492
122.334615   0.707483
122.410769   0.707446
122.517692   0.707464
122.712308   0.707453
 93.071588   0.707352
 93.098210   0.707372
 93.130313   0.707386
 93.163199   0.707382
 93.187472   0.707382
 93.192170   0.707396
 93.200000   0.707432
 93.823266   0.707447
 93.850671   0.707436
 93.929754   0.707462
 94.011969   0.707471
 94.047204   0.707378
 94.087919   0.707367