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2. Mineral Rights and Properties, net (Details Narrative)
3 Months Ended 12 Months Ended
Mar. 31, 2019
USD ($)
Mar. 31, 2018
USD ($)
Dec. 31, 2018
USD ($)
Dec. 31, 2017
USD ($)
Sep. 30, 2019
USD ($)
Aug. 08, 2016
USD ($)
a
Jun. 30, 2014
USD ($)
a
Jun. 30, 2012
USD ($)
a
Jun. 30, 2010
a
Integer
Mineral and other properties     $ 185,290   $ 185,290        
Mineral rights     0   0        
Langtry Lease [Member]                  
Acres owned | a                 413
Patented mining claims | Integer                 20
Lease term                 20 years
Impairment of mineral property     $ 63,183 $ 1,885,816          
Langtry Lease [Member] | Lease Payment [Member]                  
Lease payment $ 20,825 $ 41,650              
Operating lease liability         $ 20,825        
Langtry Lease [Member] | Lease Payment [Member] | Exploration Costs [Member]                  
Lease payment   20,825              
Langtry Lease [Member] | Lease Payment [Member] | Mineral Rights and Properties [Member]                  
Lease payment   $ 20,825              
Section 16 Property [Member]                  
Mineral and other properties           $ 28,582      
Acres owned | a           33      
Castle Rock [Member]                  
Mineral and other properties             $ 21,023    
Acres owned | a             160    
Section 13 Property [Member]                  
Mineral and other properties               $ 135,685  
Acres owned | a               661