oil. Ultimately, the geologist must contribute his share to the teamwork that 

 brings about the discovery of a new field; this contribution will justify his ex- 

 istence as a petroleum geologist. Of all the characteristics that are desirable in 

 an exploration geologist, the one most likely to contribute to the discovery of 

 new fields is imagination tempered by sound reasoning, and this quality may be 

 as much an inherent trait as an acquired skill. 



