﻿the Bocks of the St. Gotliard Tunnel. 



207 





Dist. from 



No. 



N. 



(Stapff). 



Entrance, 





Metres. 



1 







6 



304 



7 * 



408 



8 



540 



11* 



700 



14 



885 



16 



957 



16* 



957 



17* 



1032 



19a 



1099 5 



20* 



1121 



23 



1279-5 



24* 



13482 



26 



1520 



26* 



1520 



27 



1600 



28 



1700 



29* 



1*00 



30 



1900 



30* 



1900 



33a 



2116-8 



366 



2278-9 



38* 



2383 



42 



2582 



44 



2605-1 



45* 



2623-3 



47 



2660 6 



55 



2765-8 



58* 



2841-4 



61 



2930 



64* 



3230 



68* 



3280 



71 



3443-6 



75 



37*6-2 



78* 



3879-4 



85 



4038-8 



91* 



4257-4 



90 



4290 



92 



4525*8 



94a* 



4704 



95 



4832-7 



99 



5-250 



101a* 



5310 



104* 



5385 



107a 



5734-2 



112 



6075-4 



Description. 



Radium [Thorium 

 gr.Xl0 12 lgr.XlO\ 



Finsteraarhorn Massif. 



Gneissic granite 



Gneissic mica-schist, talcose 

 Gneissic granite 



,, ,, very quartzose (" gangartig ") 



Grey gneiss 



Eurite ( (i gangartig ") 



Gneissic granite 



Aplite (white felspar) 



Coarse gneissic granite 



Ute 



tide. 



Usern gneiss 



Quartz-schist 



Dark green schistose gneiss. 



Black lust rous slate 



Grey cipolin 



Quartzitic cipolin (zircon-bearing) 



Black lustrous slate 



Greenish-grey schistose rock ; "altered Usern 



gneiss" 



Usern gneiss 



Bronze-coloured mica-schist 



White serecite-schist with pyrites 



Serecite-schist 



Black lustrous schist 



Grey, glistening schist ; " Usern gneiss" 



Quartz-m ica-schist 



Lustrous brown schist 



Usern mica-gneiss 



St. Gothard Massif. 



5-2 



4-8 



3-4 



3-8 



90 



55 



5-7 



4-5 

 3-6(2-7) 



61 

 1-7(1-4) 



8-3 



2-9 



7-9 



7-3 



9-9 



8-1 



8-1 

 14-1 



6-3 



32 

 5-4 



3-7(2-8) 



6-8 



2-4 



0-7 

 14-3 



4-2 

 1-3(0-9) 



21 

 2-1 



2-7(2-0) 



4-2 



5-9 



55 



3-8 

 2-2(1-6) 



1-7 



Querchen mica-gneiss .<•. . . 



Silvery mica-gneiss 



Hornblende rock 



Schistose serpentine 



Talcose schist 0*7 (0*5) 



Brown mica-gneiss 50 



Quartzose mica-gneiss 2 6 



2'6 



3-2 

 3-7 

 30 

 3-1 



1-8 

 1-7 

 22 

 1-4 



0-9 

 1-3 

 2-3 

 32 

 0-6 

 1-5 

 1-3 

 2-0 

 2-6 

 0-9 

 2-7 

 33 

 1-5 

 2-5 



14 

 11 

 1-9 

 0-2 

 04 

 09 

 0-4 

 10 

 2-0 



1-3 



10 

 1-7 

 1*7 J 



24 

 3-3 

 :0-3 

 10 

 05 



0*9 

 IT 

 0-2 

 2-1 

 0*6 

 1*5 

 1-5 

 05 



