The type of fold that forms traps for most of the world's ...

[madam-professor]

The type of fold that forms traps for most of the world's produced petroleum is a(n)
  ___________________ _. Fill in the blank(s) with the appropriate word(s).

Question 2

A fold that has axial beds that are younger than those of its limbs and limbs that dip toward its axis is
  called a(n) ___________________ _. Fill in the blank(s) with the appropriate word(s).

[fauacakatahaias]

Answer to Question 1

anticline

Answer to Question 2

syncline

[madam-professor]

Thanks for the timely response, appreciate it

[bdobbins]

Great answer, keep it coming