Skip to content

Sphinx Mining Systems

Menu
  • Home
  • About
  • Our Services
    • Mining public disclosure
    • Eng. & proc. improvement
    • Mine Planning & Design
    • Sustainability
    • Workforce training
  • Blog
  • Contact Us

Galleries

General / Mine planning / Mineral economics / Mining business / Public disclosures

RE: On the connection between mine feasibility studies, valuation, and impairment analysis

In November 2021, I posted a blog post about the connection between feasibility studies, valuation, and impairment analysis. I recently came across a comment letter by SEC staff that, I …

Gold bullion
General / Mine planning / Mineral economics / Mining business

Bull/Bear Markets and Mine Plans

This week, I read several articles on gold’s bear run on the markets (you can find my favorite here). Several news outlets noted that gold dipped below $1,500/oz., which takes it …

Dice
Simulation / Uncertainty

Assessing uncertainty: What is the most important variable?

Many mine engineering analyses involve uncertainty due to variability in input variables. Examples include mine production planning analyses with uncertainty surrounding production rates and other production parameters and geomechanics analyses …

Copyright © 2025 Sphinx Mining Systems – OnePress theme by FameThemes