Changes

==Limitations due to maturity differences==

==Limitations due to maturity differences==

[[file:oiloil-and-oilsource-rock-correlations_fig8-13.png|left|thumb|{{figure number|9}}From Peters and Moldowan;<ref name=ch08r39>Peters, K., E., Moldowan, J., M., 1993, The Biomarker Guide—Interpreting [[Molecular fossils]] in Petroleum and Ancient Sediments: Englewood Cliffs, New Jersey, Prentice-Hall, 363 p.</ref> reprinted with permission from Prentice-Hall.]]

[[file:oiloil-and-oilsource-rock-correlations_fig8-13.png|left|thumb|{{figure number|9}}Gas chromatograms of two oils from Wyoming. From Peters and Moldowan;<ref name=ch08r39>Peters, K., E., Moldowan, J., M., 1993, The Biomarker Guide—Interpreting [[Molecular fossils]] in Petroleum and Ancient Sediments: Englewood Cliffs, New Jersey, Prentice-Hall, 363 p.</ref> reprinted with permission from Prentice-Hall.]]

Maturity-related differences are often observed when comparing oils with each other and with source rock extracts. High-wax oils are affected most strongly by maturity. Maturity differences involving source rocks can present particular difficulties when source rock samples are extremely immature.

Maturity-related differences are often observed when comparing oils with each other and with source rock extracts. High-wax oils are affected most strongly by maturity. Maturity differences involving source rocks can present particular difficulties when source rock samples are extremely immature.