The leading source of mining technical information since 1949
Read Current Issue
All Issues
Products & Services Directory
Submissions
Mining Engineering
Peer-Reviewed Papers
Join
Advertise
Advertising and Marketing Program
Calendar
Search
WEB-ONLY CONTENT
Metals/Minerals
Gold
Silver
Copper
Uranium
Iron
PGM Metals
Industrial minerals
Nickel
Aluminum
Lead
Molybdenum
Coal
Surface
Underground
Companies
BHP Billiton
Rio Tinto
Freeport-McMoRan
Newmont Mining Corp
Barrick Gold
Vale
Codelco
Alpha Natural Resources
Xstrata
Equipment
Caterpillar
Leibherr
Atlas Copco
Sandvik
Siemens
FLSmidth
ABB
Regions
United States
Canada
Latin America
South America
Australia
Asia
China
Africa
Europe
Legislation
NMA
Congress
EPA
Whitehouse
ME Online Exclusives
Diamond industry stuck holding gems worth billions
June 9, 2020