Statements (22)
| Predicate | Object | 
|---|---|
| gptkbp:instanceOf | gptkb:academic | 
| gptkbp:appliesTo | sedimentary rocks fossil fuels exploration | 
| gptkbp:fieldOfStudy | geology | 
| gptkbp:focusesOn | chemical variations in sedimentary sequences | 
| gptkbp:importantFor | gptkb:oil_and_gas_industry paleoenvironmental reconstruction | 
| gptkbp:method | analyzing chemical markers in rocks | 
| gptkbp:originatedIn | 20th century | 
| gptkbp:recognizedBy | volcanic ash layers geochemical events oceanic anoxic events | 
| gptkbp:relatedTo | gptkb:lithostratigraphy biostratigraphy chronostratigraphy | 
| gptkbp:usedFor | dating rock layers stratigraphic correlation | 
| gptkbp:uses | elemental abundances isotopic ratios | 
| gptkbp:bfsParent | gptkb:Stratigraphy | 
| gptkbp:bfsLayer | 7 | 
| https://www.w3.org/2000/01/rdf-schema#label | chemostratigraphy |