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[[file:evaluating-source-rocks_fig6-6.png|thumb|300px|{{figure number|1}}Output from a pyrolysis analysis and when T<sub>max</sub> is recorded.]]
[[file:evaluating-source-rocks_fig6-6.png|thumb|300px|{{figure number|1}}Output from a pyrolysis analysis and when T<sub>max</sub> is recorded.]]
==Interpreting t<sub>max</sub>==
==Interpreting T<sub>max</sub>==
We can use the general guidelines for maturation levels given below for [[Rock-Eval pyrolysis]] T<sub>max</sub> for [[Kerogen types|types II and III kerogens]]. Different pyrolysis techniques have different cutoffs for pyrolysis oil and gas generation zone boundaries. Pyrolysis T<sub>max</sub> can be significantly different for type I kerogen<ref name=ch06r13>Tissot, B., P., Pelet, R., Ungerer, P., 1987, [http://archives.datapages.com/data/bulletns/1986-87/data/pg/0071/0012/1400/1445.htm Thermal history of sedimentary basins, maturation indices, and kinetics of oil and gas generation]: AAPG Bulletin, vol. 71, p. 1445–1466. Excellent review of the relationships between maturation indicators and hydrocarbon generation from kerogens.</ref> or kerogen containing high sulfur concentration and is not a reliable indicator of maturity for these kerogen types.
We can use the general guidelines for maturation levels given below for [[Rock-Eval pyrolysis]] T<sub>max</sub> for [[Kerogen types|types II and III kerogens]]. Different pyrolysis techniques have different cutoffs for pyrolysis oil and gas generation zone boundaries. Pyrolysis T<sub>max</sub> can be significantly different for type I kerogen<ref name=ch06r13>Tissot, B., P., Pelet, R., Ungerer, P., 1987, [http://archives.datapages.com/data/bulletns/1986-87/data/pg/0071/0012/1400/1445.htm Thermal history of sedimentary basins, maturation indices, and kinetics of oil and gas generation]: AAPG Bulletin, vol. 71, p. 1445–1466. Excellent review of the relationships between maturation indicators and hydrocarbon generation from kerogens.</ref> or kerogen containing high sulfur concentration and is not a reliable indicator of maturity for these kerogen types.
[[Category:Critical elements of the petroleum system]]
[[Category:Critical elements of the petroleum system]]
[[Category:Evaluating source rocks]]
[[Category:Evaluating source rocks]]
[[Category:Treatise Handbook 3]]