AI-created image
                            
                        
                    Statements (24)
| Predicate | Object | 
|---|---|
| gptkbp:instanceOf | 
                                    
                                        
                                            gptkb:geological_eon
                                        
                                         | 
                            
| gptkbp:atmosphere | 
                                    
                                        
                                            
                                            lacked free oxygen
                                        
                                        
                                         | 
                            
| gptkbp:contains | 
                                    
                                        
                                            gptkb:Eoarchean
                                        
                                         gptkb:Mesoarchean gptkb:Neoarchean gptkb:Paleoarchean  | 
                            
| gptkbp:duration | 
                                    
                                        
                                            
                                            1.5 billion years
                                        
                                        
                                         | 
                            
| gptkbp:earthSurface | 
                                    
                                        
                                            
                                            dominated by oceans and small protocontinents
                                        
                                        
                                         | 
                            
| gptkbp:endDate | 
                                    
                                        
                                            
                                            2.5 billion years ago
                                        
                                        
                                         | 
                            
| gptkbp:followedBy | 
                                    
                                        
                                            gptkb:Hadean
                                        
                                         | 
                            
| gptkbp:lifeForm | 
                                    
                                        
                                            
                                            stromatolites
                                        
                                        
                                         prokaryotes  | 
                            
| gptkbp:nameOrigin | 
                                    
                                        
                                            
                                            from Greek 'arkhaios' meaning 'ancient'
                                        
                                        
                                         | 
                            
| gptkbp:notableFor | 
                                    
                                        
                                            
                                            emergence of life
                                        
                                        
                                         formation of early oceans formation of Earth's first stable continental crusts  | 
                            
| gptkbp:partOf | 
                                    
                                        
                                            gptkb:Precambrian
                                        
                                         | 
                            
| gptkbp:precededBy | 
                                    
                                        
                                            gptkb:Proterozoic
                                        
                                         | 
                            
| gptkbp:recognizedBy | 
                                    
                                        
                                            gptkb:International_Commission_on_Stratigraphy
                                        
                                         | 
                            
| gptkbp:startDate | 
                                    
                                        
                                            
                                            4.0 billion years ago
                                        
                                        
                                         | 
                            
| gptkbp:bfsParent | 
                                    
                                        
                                            gptkb:Paul_Komatiite
                                        
                                         gptkb:Precambrian  | 
                            
| gptkbp:bfsLayer | 
                                    
                                        
                                            
                                            5
                                        
                                        
                                         | 
                            
| https://www.w3.org/2000/01/rdf-schema#label | 
                                    
                                        
                                            
                                            Archean
                                        
                                        
                                         |