| gptkbp:instanceOf | gptkb:geological_formation 
 | 
                        
                            
                                | gptkbp:age | about 17 to 6 million years ago 
 | 
                        
                            
                                | gptkbp:containsFossilsOf | gptkb:fish gptkb:foraminifera
 birds
 seals
 whales
 diatoms
 invertebrates
 marine mammals
 mollusks
 plants
 sharks
 radiolarians
 sea cows
 
 | 
                        
                            
                                | gptkbp:containsMineral | gptkb:pyrite gptkb:calcite
 gptkb:dolomite
 phosphorite
 opal-CT
 
 | 
                        
                            
                                | gptkbp:depositionalEnvironment | gptkb:marine 
 | 
                        
                            
                                | gptkbp:economicImportance | oil production gas production
 diatomite mining
 
 | 
                        
                            
                                | gptkbp:locatedIn | gptkb:California 
 | 
                        
                            
                                | gptkbp:namedAfter | gptkb:Monterey,_California 
 | 
                        
                            
                                | gptkbp:namedFor | gptkb:William_H._Brewer 
 | 
                        
                            
                                | gptkbp:notableFor | diatomite deposits petroleum source rock
 
 | 
                        
                            
                                | gptkbp:outcropsAt | gptkb:Santa_Barbara_County gptkb:Los_Angeles_Basin
 gptkb:Monterey_County
 gptkb:San_Luis_Obispo_County
 Ventura County
 
 | 
                        
                            
                                | gptkbp:overlies | gptkb:Vaqueros_Formation 
 | 
                        
                            
                                | gptkbp:period | gptkb:Miocene 
 | 
                        
                            
                                | gptkbp:primaryLithology | gptkb:limestone gptkb:fruit
 gptkb:stone
 gptkb:dolomite
 siliceous shale
 
 | 
                        
                            
                                | gptkbp:stratigraphicUnitOf | gptkb:California_Coast_Ranges gptkb:Transverse_Ranges
 gptkb:Los_Angeles_Basin
 
 | 
                        
                            
                                | gptkbp:subunit | gptkb:Neogene_System 
 | 
                        
                            
                                | gptkbp:thickness | up to 1,500 meters 
 | 
                        
                            
                                | gptkbp:underlies | gptkb:Sisquoc_Formation gptkb:Santa_Margarita_Formation
 
 | 
                        
                            
                                | gptkbp:yearNamed | 1862 
 | 
                        
                            
                                | gptkbp:bfsParent | gptkb:San_Ardo_Oil_Field gptkb:Cat_Canyon_Oil_Field
 
 | 
                        
                            
                                | gptkbp:bfsLayer | 7 
 | 
                        
                            
                                | https://www.w3.org/2000/01/rdf-schema#label | Monterey Formation 
 |