Retrieving "Petroleum Geology" from the archives

Cross-reference notes under review

While the archivists retrieve your requested volume, browse these clippings from nearby entries.

1. Shale

   Linked via "petroleum geology"

   Hydrocarbon Systems
   Shale plays a dual role in petroleum geology: as a source rock and as a seal. When subjected to sufficient heat and pressure (the "oil window" [oil window]), organic matter within the shale kerogen matures into oil and natural gas.
   | Shale Type (Kerogen Basis) | Dominant Organic Content | Typical Maturation Temperature ($\text{T}_{\text{max}}$) | Key Formation Pressure Anomaly |