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Table 1 Lu and Hf element and isotope data of the whole rocks and garnet separates for Theodul Glacier Unit eclogite samples

From: Dating the initiation of Piemonte-Liguria Ocean subduction: Lu–Hf garnet chronometry of eclogites from the Theodul Glacier Unit (Zermatt-Saas zone, Switzerland)

Sample ppm Lu ppm Hf 176Lu/177Hf 2σ 176Hf/177Hf 2σ
SW9
 WR(cd) 0.319 5.90 0.007664 15 0.282798 34
 WR(sd) 0.308 0.295 0.1481 3 0.282951 26
 Grt1 1.76 0.135 1.852 4 0.284729 103
 Grt2 1.57 0.123 1.812 4 0.284954 570
 Grt3 1.41 0.103 1.952 4 0.284874 186
SW14
 WR(cd) 0.382 9.59 0.005656 11 0.282721 13
 WR(sd) 0.357 0.216 0.2353 4 0.282988 29
 Grt1 1.32 0.0581 3.237 6 0.286516 335
 Grt2 1.38 0.0494 3.969 8 0.286998 107
 Grt3 1.40 0.0548 3.627 7 0.286781 430
  1. Uncertainties on both 176Lu/177Hf and 176Hf/177Hf ratios are the estimated 2σ external reproducibilities, as described in the text
  2. WR(cd) whole rock complete digestion, WR(sd) whole rock selective digestion