A petroleum company is considering drilling into a fold in subsurface sedimentar

Question

A petroleum company is considering drilling into a fold in subsurface sedimentary rocks in the hopes of discovering oil. The only certain information they have is that the core of the fold contains older strata than those on the limbs of the fold. This means that the fold is a(n): a) syncline b) anticline c) can't tell, could be either. Regarding Earth's atmospheric temperature (climate): in the geological past it has: a) been constant, very much like it was during the 19th century b) been consistently cooler than at present c) been consistently warmer than at present d) fluctuated numerous times between ice ages and much warmer periods question is of considerable importance because of the ongoing ntific/social/political discussion concerning climate warming. Pangaea is the name of a past supercontinent which a) assembled in the Archean and then broke up in the Mesozoic b) assembled in the Mesozoic and then broke up in the Cenozoic c) assembled in the Hadean and broke up in the Paleozoic d) both assembled and broke up during the Paleozoic ) both assembled and broke up during the Mesozoic

Explanation / Answer

Answer of first question is Anticline. This is convex upward where the limbs commonly dip away from the axial plane. In case of Anticline older beds occur towards the center of curvature of fold.

Regarding earth's atmospheric temperature: in the geological past it has fluctuated numerous times between ice ages and much warmer period.

Pangea is the name of a past supercontinent which both aassembled and broke up during Mesozoic. It break up into two parts gondwana land and laurasia.

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