Table T2. Electron probe microanalyses: minerals, their origin, and depth of occurrence.
Hole
Depth (mbsf)
Pyrite Pyrrhotite Chalcopyrite Sphalerite Galena Gold Hercynite Magnetite, Ti magnetite Ilmenite Chromite Iron-titanium oxides Pyrophanite
1188A 58.1 x











174.5 x
x









183.4






x
x















1188F 236.1 x x(?)










336.7






x x



336.9





x x x
x x

337.1





x x




346.1 x
x


x x x
















1189A 88.6 x











107.7 x
x






















1189B 31.0 x
x x








40.1 x











49.8 x











69.8 x











79.6 x











88.7 x











118.1 x
x x
x






118.4 x
x x








127.8 x
x x








147.4 x

x x







157.6

x x







Note: x = present, blank cell = absent.