DIAGRAMMATIC SECTION THROUGH 



THE HEEMSKIRK RANGE-COMSTOCK-ZEEHAN 



SHOWING HYPOTHETICAL RESTORATION OF THE ZONES OF PRECIPITATION 



PLATE Xn 



T__RANSMETA_MOHPH,c ,,^^ /,„^^^^^ 



GABBRO-AMPHIBOLITE AND SERPENTINE.l 



b + ooo-H 

 NODULAR TOURMALINE GRANITE P°°+°°l PRE-DEVONIAN ROCKS, 



// 



DYKES AND veins: GRANITE PORPHYRY-GP , PEGMATITE-P , MICA-GABBRO-G , APLITE-~A , ORE VEINS-V. 



