open-pit mining Table of Contents Introduction References & Edit History Images & Videos Discover Who Votes for the Academy Awards? Why Is the Mona Lisa So Famous? 7 Accidents and Disasters in Spaceflight History 7 of History's Most Notorious Serial Killers Pablo Escobar: 8 Interesting Facts About the King of Cocaine Causes of the Great Depression History of Technology Timeline Contents Technology Industry open-pit mining Open-pit mining at Thetford Mines, Quebec, Can. (more) open-pit mining Ask the Chatbot a Question More Actions Print Cite verifiedCite While every effort has been made to follow citation style rules, there may be some discrepancies. Please refer to the appropriate style manual or other sources if you have any questions. Select Citation Style MLA APA Chicago Manual of Style Copy Citation Share Share Share to social media Facebook X URL https://www.britannica.com/technology/open-pit-mining Feedback Feedback Corrections? Updates? Omissions? Let us know if you have suggestions to improve this article (requires login). Feedback Type Select a type (Required) Factual Correction Spelling/Grammar Correction Link Correction Additional Information Other Your Feedback Submit Feedback Thank you for your feedback Our editors will review what you’ve submitted and determine whether to revise the article. External Websites Ask the Chatbot a Question Also known as: opencast mining, opencut mining Written and fact-checked by The Editors of Encyclopaedia Britannica Encyclopaedia Britannica's editors oversee subject areas in which they have extensive knowledge, whether from years of experience gained by working on that content or via study for an advanced degree. They write new content and verify and edit content received from contributors. The Editors of Encyclopaedia Britannica Article History Table of Contents Table of Contents Ask the Chatbot a Question Related Topics: surface mining floating cone technique stripping ratio pit break-even stripping ratio (Show more) open-pit mining, surface mining (q.v.) to obtain minerals other than coal. This article was most recently revised and updated by Amy Tikkanen.