Abstract

"The principal sedimentary basins are indicated on maps and the features of each discussed from the point of view of the petroleum geologist. The survey indicates large areas that are potentially petroliferous, and an attempt has been made to classify them into three groups: (a) most favorable, nb) moderately favorable, and (c) possibly petroliferous but for various reasons less promising.... Inaccessibility, unfavorable climate, and dense vegetation cover will retard exploration and development of the sub-Andean belt from northern Bolivia to central Colombia."

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