Statements (20)
| Predicate | Object | 
|---|---|
| gptkbp:instanceOf | 
                                    
                                        
                                            gptkb:geological_formation
                                        
                                         | 
                            
| gptkbp:age | 
                                    
                                        
                                            
                                            approximately 145 to 66 million years ago
                                        
                                        
                                         | 
                            
| gptkbp:color | 
                                    
                                        
                                            
                                            white
                                        
                                        
                                         | 
                            
| gptkbp:composedOf | 
                                    
                                        
                                            
                                            calcium carbonate
                                        
                                        
                                         | 
                            
| gptkbp:containsFossilsOf | 
                                    
                                        
                                            gptkb:ammonites
                                        
                                         sea urchins bivalves microscopic coccolithophores  | 
                            
| gptkbp:depot | 
                                    
                                        
                                            
                                            marine organisms
                                        
                                        
                                         | 
                            
| gptkbp:foundIn | 
                                    
                                        
                                            gptkb:Europe
                                        
                                         gptkb:North_America  | 
                            
| gptkbp:lithology | 
                                    
                                        
                                            
                                            chalk
                                        
                                        
                                         | 
                            
| gptkbp:notableExample | 
                                    
                                        
                                            gptkb:White_Cliffs_of_Dover
                                        
                                         | 
                            
| gptkbp:period | 
                                    
                                        
                                            
                                            Cretaceous
                                        
                                        
                                         | 
                            
| gptkbp:usedFor | 
                                    
                                        
                                            gptkb:building
                                        
                                         agriculture lime production  | 
                            
| gptkbp:bfsParent | 
                                    
                                        
                                            gptkb:London_Basin
                                        
                                         | 
                            
| gptkbp:bfsLayer | 
                                    
                                        
                                            
                                            8
                                        
                                        
                                         | 
                            
| https://www.w3.org/2000/01/rdf-schema#label | 
                                    
                                        
                                            
                                            Cretaceous Chalk
                                        
                                        
                                         |