矿产勘查靶区优选:基本原则
矿产勘查靶区优选:基本原则
概述 选区一为何重要? 公司层面 基本战略选择 建立选区模式 应用选区模式 反馈 结论
大纲 • 概述 • 选区 – 为何重要? • 公司层面 • 基本战略选择 • 建立选区模式 • 应用选区模式 • 反馈 • 结论
选区过程评述 公司战略 确定目标价值 转为地质地理参数 建立选区模型(技术和商业) 创建数据库 确定靶区 评价靶区
选区过程评述 公司战略 确定目标价值 转为地质/地理参数 建立选区模型(技术和商业) 创建数据库 确定靶区 评价靶区
选区:为何重要 Getting the area selection stage right is critical f we fail here it does not matter if We have the best exploration technology We make the best deals We are the most efficient field explorers
选区:为何重要 • Getting the area selection stage right is critical • If we fail here it does not matter if: – We have the best exploration technology – We make the best deals – We are the most efficient field explorers
Analysis indicates that the emv of an exploration project is most sensitive to target exploration project is most sensitive to target quality (Success The opportunity cost of poor targeting is very high Strategies that focus predominantly on turnover rather than target quality are not viable
• Analysis indicates that the EMV of an exploration project is most sensitive to target exploration project is most sensitive to target quality (Psuccess ) • The opportunity cost of poor targeting is very high • Strategies that focus predominantly on turnover rather than target quality are not viable
The Opportunity Cost of Poor Initial Targeting is High! HIGH FLEXIBILITY COSTS LOW INITIAL TARGETING PROJECT EXPLORATION AREA REDUCTION
The Opportunity Cost of Poor Initial Targeting is High!
Turnover alone is not enough Gambler's Ruin Sensitivity Analysis 0.6 0.5 Overall Exploration Success Confidence 04 0.95 0.3 0.75 0.5 0.2 0.1 0 020406080100120140160180200 Number of Prospects Ps=1-(1Pd)
Turnover alone is not enough Gambler's Ruin Sensitivity Analysis
The Targeting Process 司层面 公司战略 确定目标价值 转为地质地理参数 建立选区模型(技术和商业) 创建数据库 确定靶区 评价靶区
The Targeting Process: 公司层面 公司战略 确定目标价值 转为地质/地理参数 建立选区模型(技术和商业) 创建数据库 确定靶区 评价靶区
公司层面 公司战略应高水平投入到选区模型的建立方面 关键问题 矿产品类型( Commodity type 阀值大小( Threshold size) 资金强度(如加工工艺的复杂性) 不中意的元素(如Pb) 地理因素( Geography) 上述因素强烈影响目标矿床类型的选择
公司层面 • 公司战略应高水平投入到选区模型的建立方面 • 关键问题: – 矿产品类型(Commodity type) – 阀值大小(Threshold size) – 资金强度(如加工工艺的复杂性) – 不中意的元素(如 Pb) – 地理因素(Geography) • 上述因素强烈影响目标矿床类型的选择
确定阀值 Cumulative NPv(8% discount rate 100% 60% 2/3rds of wealth 40% comes from 10% ofall projects 20% 129 Deposits with total value of USS32 3B in 1994 dollars 0% 0% 20% 40% 60% 80% 100% Cumulative Number of Deposits 大部分矿业财富是由巨型矿床贡献的 23的财富是由10%的矿床贡献的
确定阀值 大部分矿业财富是由巨型矿床贡献的 2/3的财富是由10%的矿床贡献的