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The mask aperture provides predefined circular and square spots with sizes that range from 1 to 155 µm; these spots can further be expanded through a lens which increases the size with 1.6 meaning the maximum spot size is 258 µm.
The x-y aperture provides similar sized ablation spots either as squares or rectangles that can rotate 360 degrees.
The precision and sensitivity of the instrument allow the performance of isotopic analyses to better than 0.1% RSD.
This instrument was funded by the Department of Energy (Do E) Geothermal Program (award to Stockli).
Laser Ablation ICP-MSTrace element analysis A Resolution M-50-LR Excimer laser ablation system is connected to an Agilent 7700 ICP-MS for most of the trace element analysis, using spot sizes between 60 and 200µm.
Apatite from a hybrid allanite-bearing diorite from the Goryczkowa Unit was dated at 340 ± 4 Ma with apatite LREE depletion reflecting the role of allanite and titanite during apatite crystallization.
Prices in € represent the retail prices valid in Germany (unless otherwise indicated). Prices do not include postage and handling if applicable. This study presents apatite LA-ICP-MS U-Pb age and trace elements concentrations data from different granite types from the Tatra Mountains, Poland.
Apatite from monazite and xenotime-bearing High Tatra granite was dated at 339 ± 5 Ma.
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