Though it doesn’t have crude either.
And why, here on earth, are deposits not found in other than sedimentary structures, as well as containing microfossils from the surface?
“And why, here on earth, are deposits not found in other than sedimentary structures, as well as containing microfossils from the surface?”
Though not as prevalent as in in sedimentary, Oil can indeed be found in non-sedimentary formations. Yemen has huge oil fields found in igneous(granite) not sedimentary rock. Check it out.
http://www.geoscience.co.uk/assets/file/Reservoirs%20in%20Fractured%20Basement%20Ver%2010_JCG.pdf