Tombstone Exploration Corp. – ‘20-F’ for 12/31/20

On:  Thursday, 5/6/21, at 4:55pm ET   ·   For:  12/31/20   ·   Accession #:  1078782-21-418   ·   File #:  0-29922

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Annual or Annual-Transition Report by a Foreign Non-Canadian Issuer   —   Form 20-F   —   SEA’34

Filing Table of Contents

Document/Exhibit                   Description                      Pages   Size 

 1: 20-F        Form 20-F Annual Report                             HTML    499K 
 4: EX-13.01    Exhibit 13.01 Section 906 Certifications            HTML     18K 
 2: EX-12.01    Exhibit 12.01 Section 302 Certifications            HTML     22K 
 3: EX-12.02    Exhibit 12.02 Section 302 Certifications            HTML     22K 
11: R1          Document and Entity Information                     HTML     76K 
12: R2          Consolidated Balance Sheets                         HTML     85K 
13: R3          Consolidated Balance Sheets - Parenthetical         HTML     24K 
14: R4          Consolidated Statements of Operations               HTML     64K 
15: R5          Consolidated Statement of Stockholders' Deficit     HTML     63K 
16: R6          Consolidated Statements of Cash Flows               HTML    103K 
17: R7          1. Nature of Operations and Continuance of          HTML     24K 
                Business                                                         
18: R8          2. Summary of Significant Accounting Policies       HTML     37K 
19: R9          3. Investment in Bonanza Project                    HTML     23K 
20: R10         4. Mineral Property                                 HTML     21K 
21: R11         5. Notes Payable                                    HTML     22K 
22: R12         6. Common Stock                                     HTML     33K 
23: R13         7. Related Party Transactions                       HTML     22K 
24: R14         8. Income Taxes                                     HTML     37K 
25: R15         9. Commitments and Contingencies                    HTML     20K 
26: R16         10. Subsequent Events                               HTML     21K 
27: R17         2. Summary of Significant Accounting Policies (a)   HTML     20K 
                Basis of Presentation and Principles of                          
                Consolidation (Policies)                                         
28: R18         2. Summary of Significant Accounting Policies (b)   HTML     22K 
                Use of Estimates (Policies)                                      
29: R19         2. Summary of Significant Accounting Policies (c)   HTML     21K 
                Cash and Cash Equivalents (Policies)                             
30: R20         2. Summary of Significant Accounting Policies (d)   HTML     21K 
                Property and Equipment (Policies)                                
31: R21         2. Summary of Significant Accounting Policies (e)   HTML     20K 
                Impairment of Long-Lived Assets (Policies)                       
32: R22         2. Summary of Significant Accounting Policies (f)   HTML     21K 
                Mineral Properties (Policies)                                    
33: R23         2. Summary of Significant Accounting Policies (g)   HTML     21K 
                Stock-Based Compensation (Policies)                              
34: R24         2. Summary of Significant Accounting Policies (i)   HTML     22K 
                Income Taxes (Policies)                                          
35: R25         2. Summary of Significant Accounting Policies (j)   HTML     23K 
                Investment in Associates (Policies)                              
36: R26         2. Summary of Significant Accounting Policies (k)   HTML     20K 
                Comprehensive Loss (Policies)                                    
37: R27         2. Summary of Significant Accounting Policies (l)   HTML     21K 
                Beneficial Conversion Features (Policies)                        
38: R28         2. Summary of Significant Accounting Policies (m)   HTML     21K 
                Basic and Diluted Net Income (Loss) Per Share                    
                (Policies)                                                       
39: R29         2. Summary of Significant Accounting Policies (n)   HTML     23K 
                Financial Instruments (Policies)                                 
40: R30         2. Summary of Significant Accounting Policies (o)   HTML     21K 
                Foreign Currency Translation (Policies)                          
41: R31         2. Summary of Significant Accounting Policies (p)   HTML     20K 
                Recent Accounting Pronouncements (Policies)                      
42: R32         8. Income Taxes: Schedule of Components of the net  HTML     26K 
                deferred tax asset (Tables)                                      
43: R33         8. Income Taxes: Schedule of Deferred Tax Assets    HTML     22K 
                and Liabilities (Tables)                                         
44: R34         8. Income Taxes: Schedule of fiscal year in which   HTML     26K 
                the loss was incurred and the expiration date                    
                (Tables)                                                         
45: R35         1. Nature of Operations and Continuance of          HTML     37K 
                Business (Details)                                               
46: R36         2. Summary of Significant Accounting Policies (m)   HTML     20K 
                Basic and Diluted Net Income (Loss) Per Share                    
                (Details)                                                        
47: R37         5. Notes Payable (Details)                          HTML     27K 
48: R38         7. Related Party Transactions (Details)             HTML     26K 
49: R39         8. Income Taxes (Details)                           HTML     19K 
50: R40         8. Income Taxes: Schedule of Components of the net  HTML     36K 
                deferred tax asset (Details)                                     
51: R41         8. Income Taxes: Schedule of Deferred Tax Assets    HTML     24K 
                and Liabilities (Details)                                        
52: R42         8. Income Taxes: Schedule of fiscal year in which   HTML     48K 
                the loss was incurred and the expiration date                    
                (Details)                                                        
53: R43         10. Subsequent Events (Details)                     HTML     30K 
55: XML         IDEA XML File -- Filing Summary                      XML    105K 
54: EXCEL       IDEA Workbook of Financial Reports                  XLSX     50K 
 7: EX-101.INS  XBRL Instance -- tmbxf-20201231                      XML    397K 
 5: EX-101.CAL  XBRL Calculations -- tmbxf-20201231_cal              XML     96K 
 6: EX-101.DEF  XBRL Definitions -- tmbxf-20201231_def               XML    177K 
 8: EX-101.LAB  XBRL Labels -- tmbxf-20201231_lab                    XML    437K 
 9: EX-101.PRE  XBRL Presentations -- tmbxf-20201231_pre             XML    342K 
10: EX-101.SCH  XBRL Schema -- tmbxf-20201231                        XSD    172K 
56: ZIP         XBRL Zipped Folder -- 0001078782-21-000418-xbrl      Zip     49K 

        

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