ALVIN 1411-3A 



270'C White Smoker Chimney 



Ccp+Sph 



Ccp+Sph 



Bor bornite 

 Ccp chalcopyrite 

 Ccp+Sph mixed sulfides 

 rZn ruby zinc 

 Sph sphalerite 



Vertical scale expanded 2X 



•10 cm- 



Figure 4. Schematic diagram showing a) how the smoker chimney 

 was subsampled, and b) mineralogical banding. 



241 



