# (Effective Date: ) Source Brief: https://evesgoldminers.com/research/source-briefs/g2-goldfields-inc-2022-04-30-effective-date-5fc0c71b Original source: https://g2goldfields.com/wp-content/uploads/2022/06/Oko-Gold-Project-Guyana-MRE_FINAL_31May2022.pdf Original published: 2022-04-30 EGM generated: 2026-09-04 Company: G2 Goldfields Inc. (GTWO) ## Use Note This is the Eve's Gold Miners normalized Markdown copy of an official or regulatory public source. It is provided for readability, search discovery, and research resilience. The original source remains authoritative for legal, regulatory, and investment decisions. ## Extracted Document Text # (Effective Date: ) Source: https://g2goldfields.com/wp-content/uploads/2022/06/Oko-Gold-Project-Guyana-MRE_FINAL_31May2022.pdf Published: 2022-04-30T00:00:00+00:00 Fetched: 2026-05-12T13:09:04.353+00:00 Source artifact: 5fc0c71b-1885-48ce-b44a-61aae5ab0097 Normalizer input: text ## Content G2 GOLDFIELDS INC. NI43-101 TECHNICAL REPORT AND MINERAL RESOURCE ESTIMATE FOR THE OKO GOLD PROPERTY COOPERATIVE REPUBLIC OF GUYANA SOUTH AMERICA Efective Date: April 14, 2022 Report Date: April 30, 2022 Prepared By Tania Ilieva, Ph.D., P.Geo. Ing. Alan San Martin, MAusIMM(CP) Richard Gowans, P.Eng. 900 – 390 Bay Street, Toronto, Ontario, Canada M5H 2Y2 +1 416 362 5135 | www.micon-international.com Page Table of Contents 1.0 SUMMARY ............................................................................................................... 1 1.1 INTRODUCTION........................................................................................................................... 1 1.2 LOCATION, PROPERTY DESCRIPTION AND OWNERSHIP ........................................................... 1 1.3 CLIMATE, TOPOGRAPHY AND HYDROLOGY ................................................................................ 3 1.4 HISTORY ...................................................................................................................................... 3 1.5 GEOLOGICAL SETTINGS AND MINERALIZATION ........................................................................ 3 1.5.1 Regional Geology ............................................................................................................... 3 1.5.2 Geology of North Guyana ................................................................................................... 4 1.5.3 Property Geology ............................................................................................................... 5 1.5.4 Geological Structures......................................................................................................... 6 1.5.5 Wallrock Alterations ........................................................................................................... 9 1.6 MINERALIZATION ........................................................................................................................ 9 1.6.1 Oko Mineralized Zone ........................................................................................................ 9 1.7 DEPOSIT TYPES ......................................................................................................................... 11 1.8 EXPLORATION ........................................................................................................................... 13 1.9 DRILLING ................................................................................................................................... 14 1.9.1 Micon’s Comment ............................................................................................................ 16 1.10 SAMPLE PREPARATION, ANALYSES AND SECURITY ................................................................. 16 1.10.1 Grab and Channel Samples ............................................................................................. 16 1.10.2 Core Samples ................................................................................................................... 17 1.10.3 QA/QC Monitoring ............................................................................................................ 17 1.11 DATA VERIFICATION AND SITE VISIT ........................................................................................ 18 1.11.1 Micon’s Comment ............................................................................................................ 19 1.12 MINERAL PROCESSING AND METALLURGICAL TESTING ......................................................... 19 1.12.1 Micon’s Comment ............................................................................................................ 20 1.13 MINERAL RESOURCE ESTIMATE ............................................................................................... 20 1.13.1 Mineral Resource Database and Wireframes. ................................................................. 20 1.13.2 Compositing ..................................................................................................................... 21 1.13.3 Variography ...................................................................................................................... 21 1.13.4 Grade Capping.................................................................................................................. 21 1.13.5 Rock Density ..................................................................................................................... 22 1.13.6 Block Model ...................................................................................................................... 22 1.13.7 Search Strategy and Interpolation .................................................................................. 23 1.13.8 Economic Parameters ...................................................................................................... 23 1.13.9 Mineral Resource Estimate and Classification ................................................................ 24 1.13.10 Sensitivity Analysis and Block Model Validation............................................................. 25 1.14 INTERPRETATIONS AND CONCLUSIONS .................................................................................. 31 1.14.1 Micon’s Comment ............................................................................................................ 31 1.15 RECOMMENDATIONS ................................................................................................................ 31 1.15.1 Proposed Exploration Work ............................................................................................. 32 1.15.2 Budget .............................................................................................................................. 32 2.0 INTRODUCTION ...................................................................................................... 34 2.1 TERMS OF REFERENCE ............................................................................................................. 34 Oko Gold Property i April 2022 Page 2.2 SOURCES OF INFORMATION ..................................................................................................... 35 2.3 UNITS AND CURRENCY ............................................................................................................. 36 3.0 RELIANCE ON OTHER EXPERTS ................................................................................. 38 4.0 PROPERTY DESCRIPTION AND LOCATION .................................................................. 39 4.1 MINERAL TITLE IN GUYANA ....................................................................................................... 39 4.2 LOCATION.................................................................................................................................. 41 4.3 LAND TENURE ........................................................................................................................... 43 4.4 LAND ACQUISITION ................................................................................................................... 49 4.5 MICON’S COMMENT .................................................................................................................. 50 5.0 ACCESSIBILITY, CLIMATE, LOCAL RESOURCES, INFRASTRUCTURE AND PHYSIOGRAPHY . 51 5.1 CLIMATE, TOPOGRAPHY AND HYDROLOGY .............................................................................. 51 5.2 ACCESSIBILITY .......................................................................................................................... 52 5.3 LOCAL RESOURCES AND INFRASTRUCTURE ........................................................................... 53 6.0 HISTORY................................................................................................................ 54 6.1 GOLDEN STAR AND CAMBIOR JOINT VENTURE (1991-1993) ................................................... 54 6.2 EXPLORATION BREX INC. (1995-1997)...................................................................................... 55 6.3 MICHAEL VIERRA SMALL SCALE MINING (2011-PRESENT)....................................................... 55 6.3.1 Guyana Precious Metals Inc. (2011-2013)........................................................................ 56 6.4 MICON’S COMMENT .................................................................................................................. 56 7.0 GEOLOGICAL SETTING AND MINERALIZATION ............................................................ 58 7.1 REGIONAL GEOLOGY ................................................................................................................. 58 7.1.1 Guiana Shield ................................................................................................................... 58 7.1.2 Geology of North Guyana ................................................................................................. 60 7.1.3 Tertiary and Quaternary Sediments ................................................................................ 64 7.2 PROPERTY GEOLOGY ................................................................................................................ 64 7.2.1 Lithology ........................................................................................................................... 64 7.2.2 Geological Structures....................................................................................................... 68 7.2.3 Wallrock Alterations ......................................................................................................... 73 7.3 MINERALIZATION ...................................................................................................................... 74 8.0 DEPOSIT TYPES ...................................................................................................... 77 8.1 MICON’S COMMENT .................................................................................................................. 78 9.0 EXPLORATION ........................................................................................................ 79 9.1 RECONNAISSANCE MAPPING AND PROSPECTING .................................................................. 79 9.2 SOIL SAMPLING ......................................................................................................................... 80 10.0 DRILLING ............................................................................................................... 82 10.1 MICON’S COMMENT .................................................................................................................. 85 11.0 SAMPLE PREPARATION, ANALYSES AND SECURITY ..................................................... 86 11.1 SAMPLE PREPARATION AND ANALYSES FROM PROSPECTING AND MAPPING PROGRAMS ... 86 Oko Gold Property ii April 2022 Page 11.2 SAMPLE PREPARATION AND ANALYSES FROM 2019-2022 DRILLING PROGRAMS .................. 86 11.3 QA/QC MONITORING ................................................................................................................. 87 11.3.1 Certified Reference Materials .......................................................................................... 88 11.3.2 Duplicates ......................................................................................................................... 94 11.3.3 Check Samples ................................................................................................................. 94 11.3.4 Micon’s Comment ............................ 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