Statements (12)
| Predicate | Object | 
|---|---|
| gptkbp:instanceOf | 
                                    
                                        
                                            gptkb:geological_formation
                                        
                                         | 
                            
| gptkbp:beganIn | 
                                    
                                        
                                            
                                            approximately 463.5 million years ago
                                        
                                        
                                         | 
                            
| gptkbp:endDate | 
                                    
                                        
                                            
                                            approximately 460.9 million years ago
                                        
                                        
                                         | 
                            
| gptkbp:followedBy | 
                                    
                                        
                                            
                                            Lower Llanvirn
                                        
                                        
                                         | 
                            
| gptkbp:partOf | 
                                    
                                        
                                            gptkb:Ordovician_Period
                                        
                                         gptkb:Llanvirn  | 
                            
| gptkbp:precededBy | 
                                    
                                        
                                            gptkb:Caradoc
                                        
                                         | 
                            
| gptkbp:relatedTo | 
                                    
                                        
                                            gptkb:Darriwilian
                                        
                                         | 
                            
| gptkbp:usedIn | 
                                    
                                        
                                            
                                            British stratigraphy
                                        
                                        
                                         | 
                            
| gptkbp:bfsParent | 
                                    
                                        
                                            gptkb:Sandbian_Age
                                        
                                         | 
                            
| gptkbp:bfsLayer | 
                                    
                                        
                                            
                                            8
                                        
                                        
                                         | 
                            
| https://www.w3.org/2000/01/rdf-schema#label | 
                                    
                                        
                                            
                                            Upper Llanvirn
                                        
                                        
                                         |