Samples numbers

Rocks characteristic

Rb

Sr

⁸⁷Rb/⁸⁶Sr

⁸⁷Sr/⁸⁶Sr

T-28A (6)

Weakly cataclastic trachyandesitebasalt (Pb = 0.52 wt%, Zn = 0.49 wt%)

219.6

42.0

15.214

0.756315

T-29A (7)

Sericite-chlorite dynamoslate on trachyandesitebasalt with thin veinlets of galena-quartz composition (Pb = 1.5 wt%, Zn = 0.43 wt%)

224.7

51.3

12.728

0.749498

T-21A

Tectonobreccia on diorites with weak sulphide mineralization

12.3

60.0

0.592

0.709840

СЖ-9

Hematite ore with galena (wt%)

4.6

35.3

0.379

0.707716

T-23 (4)

Chlorite-amphibole dynamoslate on trachyandesitebasalt

45.8

1252

0.106

0.705866