Major fault zones in the Austroalpine units of the Kreuzeck Mountains south of the Tauern Window (Eastern Alps, Austria)

Swiss Journal of Geosciences

Table 2 Rb-Sr isotopic data on biotite and whole rock from the Kreuzeck Mountains

Sample	Material	Rb [ppm]	Sr [ppm]	⁸⁷Rb/⁸⁶Sr	⁸⁷Sr/⁸⁶Sr	±2s_m	Age (Ma)
04R65	WR	138.1	255.3	1.5664	0.717890	0.000004
04R65	Bt	459.5	3.521	446.33	2.568383	0.000016	292.4 ± 2.9
16G21	WR	138.3	257.7	1.5552	0.720713	0.000003
16G21	Bt	462.9	6.550	218.47	1.403461	0.000012	221.3 ± 2.2
16G27	WR	64.76	338.0	0.5548	0.714938	0.000004
16G27	Bt	357.2	4.757	236.91	1.631271	0.000013	272.5 ± 2.7
16G46	WR	113.0	210.4	1.5565	0.720975	0.000004
16G46	Bt	450.1	4.371	308.01	1.051678	0.000008	76.0 ± 0.8

Analytical techniques are described in the text. Ages are calculated from biotite and corresponding whole rock assuming an error of ± 1% on the ⁸⁷Rb/⁸⁶Sr ratio