1 about that, so I don't know whether that is real or not, but that's what 



2 we found. DR. BOTHNER: Are those samples predrilling samples? 



3 DR. AYERS: All these are predrilling samples, yes. These are 



4 predrilling samples, also. We did our metals analysis in the sediment 



5 by neutron activation so we could be sure we got all the barium, which 

 5 was going to be our principal tracer, 



7 Barium levels ranged from background levels of 156 to 303, 



8 chromium 8 to 45, and 16 to 49 of vanadium, which is the other metal we 



9 looked at. These are some outlyers. This is one that was actually at 



10 the station at the head of the canyon, the top of the canyon. It sort 



11 of illustrates that we saw a lot of variability. 



12 Our metals levels and our grain size analysis numbers are an 



13 average of two samples. We had one sample at the top of the canyon that 



14 was about 95 percent sand and a duplicate sample was about 1 percent 



15 sand. This is the one that had 1 percent sand in it. There was a lot 



16 of clay and, of course, that accounts for the high barium level. 



17 This is one that Jim insisted I discuss and that's the reason he 



18 really wanted me to talk, because he feels like it supports his theory 



19 that originally, all the canyon heads were drilled back in during the 



20 Stone Age by men from Mars. 



21 (Laughter) 



22 Ray feels like there is no reason to be concerned, because they 



23 drilled these much earlier. I think most geologists find his theories 



24 interesting, but I don't know anyone that really embraces it. I think 



25 the theory goes on that descendants of these Martian oil men went on and 



26 founded Texas A&M. 



27 (Laughter) 



28 Again, the concentrations of metals, again, were generally higher 



29 in the canyon, of course, reflecting the higher silt and clay contents 



30 in the canyon. 



31 (Slide) 



32 Now, I am going to show you some drilling survey results. These 



33 are sediment barium concentrations versus distance. This is background 



34 in here, this band, and you can see that these were two different 



161 



