Changes

Oil deposits are often found in concurrence with [[natural gas]] in a variety of geological structural or [[stratigraphy|stratigraphic]] traps.  

Oil deposits are often found in concurrence with [[natural gas]] in a variety of geological structural or [[stratigraphy|stratigraphic]] traps.  

Petroleum has an organic origin, being generally believed to be formed from the remains of vegetable material.

Petroleum is possibly of organic origin, believed by some scientists to be formed from the remains of vegetable material. Secular [[geologists]] have contended that petroleum is the remains of huge amounts of [[alga]]l material that was laid down millions of years ago, and altered in form under high temperatures and pressures. Layers of buried plant material tend to produce [[coal]] or [[lignite]].  

 

Secular [[geologists]] have contended that petroleum is the remains of huge amounts of [[alga]]l material that was laid down millions of years ago, and altered in form under high temperatures and pressures. Layers of buried plant material tend to produce [[coal]] or [[lignite]].  

Creationary geologists believe that petroleum was formed from organic material buried during the [[Great flood|Noachian flood]].

Creationary geologists believe that petroleum was formed from organic material buried during the [[Great flood|Noachian flood]].