Indian Minerology

Dump Truck Productivity & Cycle Time Calculation in Open Pit Mining (International Method) Dump truck productivity calculation is one of the most important topics in surface mining operations. Mining engineers in the USA, Australia, and Canada use standard cycle time methods to estimate hourly and daily production. This guide explains dump truck productivity formulas, cycle time components, and practical calculation examples. ⛏️ What is Dump Truck Productivity? Dump truck productivity means the total quantity of material transported by a truck fleet in a given time (usually per hour or per shift). It depends on cycle time, payload capacity, road condition, and operational efficiency. 🔄 Dump Truck Cycle Time Components Loading Time Haul Time (Loaded) Dumping Time Return Time (Empty) Spotting & Delay Time Total Cycle Time = Loading + Haul + Dump + Return + Delay 📐 Dump Truck Productivity Formula Production per Hour = (Truck Capacity × Fill Factor × Efficie...

Mining Engineer Salary in USA, Australia & Canada + How to Get Mining Jobs Abroad Mining engineering is one of the highest paying technical professions in the world. Countries like the USA, Australia, and Canada offer excellent salary packages, modern mining projects, and global career opportunities. In this guide, we explain mining engineer salaries, required skills, certifications, and how to get mining jobs abroad. 💰 Average Mining Engineer Salary by Country Country Average Annual Salary USA $85,000 – $130,000 Australia $95,000 – $150,000 Canada $80,000 – $120,000 UK $60,000 – $95,000 Chile / Peru $55,000 – $100,000 Salary depends on mine type (coal/metal), experience, software skills, and site location. 🎯 High Demand Mining Job Roles Mining Engineer – Open Pit / Underground Mine Planning Engineer Drill & Blast Engineer Mine Safety Officer Geotechnical Engineer Mineral Processing Engineer Heavy Equipment Planner 🧠 Skills Requ...

MSHA Safety Rules for Underground Coal Mines – Complete Guide (2026) MSHA Safety Rules for Underground Coal Mines – Complete Guide (2026) Mining is one of the most hazardous industries in the world, especially underground coal mining. To protect miners and ensure safe working conditions, the United States government established MSHA – Mine Safety and Health Administration . MSHA enforces strict safety regulations to prevent accidents, explosions, health hazards, and fatalities. In this guide, you will learn: Ventilation rules, roof support standards, training requirements, inspection procedures, emergency preparedness, and MSHA penalties. What is MSHA? The Mine Safety and Health Administration (MSHA) is a federal agency under the U.S. Department of Labor responsible for regulating mine safety across coal, metal, and non-metal mines. Main objectives of MSHA: Prevent mine accidents and explosions Reduce occupational diseases Ensure compliance with safet...

Continuous Miner in Underground Mining: Working, Parts & Production Continuous miner is a highly productive underground mining machine used mainly in coal and soft rock mines. It cuts, loads, and transports material continuously. What is a Continuous Miner? A continuous miner is an electrically powered machine that uses a rotating cutting drum to excavate material without drilling and blasting. Main Parts of Continuous Miner Cutting Drum Gathering Arms Conveyor System Electric Motors Hydraulic System Crawler Tracks Working Principle Cutting drum breaks coal/rock Gathering arms collect material Material transfers to conveyor Discharged into shuttle car or conveyor belt Production of Continuous Miner Production depends on seam thickness, rock hardness, and system efficiency. Typical Production Coal: 15–30 tonnes/minute Highly mechanized panels: Higher output Advantages No drilling & blasting High productivity Continuous operation Reduced ma...

DGMS Mines Act 1952 PDF Download | Indian Minerology DGMS Mines Act 1952 – PDF Download (Complete Guide) The Mines Act, 1952 is the primary mining legislation in India, enforced by the Directorate General of Mines Safety (DGMS) . This Act ensures the safety, health, and welfare of persons employed in mines. 📘 What is DGMS Mines Act? The Mines Act, 1952 lays down legal provisions related to working conditions, safety measures, inspection powers, and responsibilities of mine owners, agents, and managers. Applicable to Coal, Metalliferous & Oil Mines Mandatory for DGMS exams Foundation of all mining regulations ⚖️ Objectives of Mines Act 1952 Prevent mining accidents Ensure safe working environment Protect mine workers’ rights Define DGMS inspector powers 👷 Who Should Study This Act? Mining Engineering Students Mine Managers & Agents Overman & Sirdar Candidates Safety Officers DGMS Exam Aspirants 📥 DGMS Mines Act 1...

MSHA Standards and Regulations – Complete Study Guide | Indian Minerology MSHA Standards and Regulations – Complete Study Guide for Mining Professionals Indian Minerology presents the most comprehensive MSHA study material available online – detailed analysis, real-world case studies, inspection checklists, training requirements, and exam preparation tips. This guide is designed for mining students, safety officers, supervisors, managers, and DGMS exam aspirants who want to master Mine Safety and Health Administration (MSHA) regulations. 🔥 Key Features of This Guide: • Detailed breakdown of all major MSHA standards • Real mine accident case studies with lessons learned • Complete training requirements (Part 46 & Part 48) • Inspection checklists used by MSHA inspectors • DGMS vs MSHA comparison table • 50+ exam-style questions with answers Part 1: Understanding MSHA – History, Structure & Authority 1.1 Establishment and Legal Foundation...

DGMS Circular Download PDF | Year Wise DGMS Circulars DGMS Circular Download – Latest & Year Wise PDFs The Directorate General of Mines Safety (DGMS) issues safety circulars to improve working conditions and reduce accidents in Indian mines. These circulars are mandatory reference documents for Mine Managers, Safety Officers, Engineers and Mining Students . 📌 What is DGMS Circular? DGMS Circulars are official safety instructions issued under the Mines Act. They provide interpretation of rules, introduce new safety practices and guide mine management during DGMS inspections. Statutory mine safety instructions Clarification of mining regulations Accident prevention measures DGMS compliance guidelines 📥 Download DGMS Circular PDF (Official) Below are official DGMS circular download links . These PDFs are useful for exams, inspections and daily mining operations. DGMS Circulars Compilation (2018 – 2024) 👉 Download PDF DGMS Circulars ...