How to Use coltan in a Sentence

coltan

noun

• Some mines are run by warlords who work with rogue members of the Congolese army to smuggle the coltan out.
  — The Economist, 23 Jan. 2021
• In central Africa, miners go into rain forests to dig for an ore called coltan that ends up in phone circuits.
  — Carl Zimmer, New York Times, 18 Jan. 2017
• For two decades the country has struggled to defeat dozens of local and foreign militias in the east, which has deposits of tin, gold and coltan.
  — William Clowes, Bloomberg.com, 28 Sep. 2017
• The war was the beginning of a series of conflicts that swept the verdant hills of eastern Congo, a region rich with minerals such as gold, tin and coltan.
  — Gabriele Steinhauser, WSJ, 5 Oct. 2018
• Most people don’t realize, but coltan is one of the most vital minerals on planet Earth.
  — Jason Johnson, The Root, 25 Sep. 2017
• Then there were the critical minerals in their phones and computers—the coltan, cobalt, and lithium—that are mined in Afghanistan and the Democratic Republic of the Congo.
  — Eliza Griswold, The New Yorker, 23 Mar. 2020
• The eastern region has rich deposits of minerals including tin, gold and coltan.
  — Bloomberg.com, 20 Dec. 2017
• There is also active mining in the region for diamonds and coltan, a metallic ore that yields the rare-earth element tantalum used in cellphones.
  — Kejal Vyas |, WSJ, 20 Nov. 2018
• But mining operations are destroying these forests to extract minerals such as coltan—used in making electronics like cell phones and laptops.
  — National Geographic, 21 Apr. 2020
• Congo produces some two-thirds of the world’s cobalt, a mineral used in the production of lithium-ion batteries that power laptops and electric cars, and coltan, copper, tantalum and tin, all used in modern electronics.
  — Nicholas Bariyo, WSJ, 2 Jan. 2019
• Congo produces some two-thirds of the world’s cobalt, a mineral key in the production of lithium-ion batteries that power laptops and electric cars, as well as coltan, copper, tantalum and tin, all used in modern electronics.
  — Gabriele Steinhauser, WSJ, 30 Dec. 2018
• The Western lowland gorilla's native habitat in Africa is shrinking due in part to mining of a metallic ore called coltan, a key ingredient in manufacturing batteries, including the kind found in our phones.
  — Jennifer Larino, NOLA.com, 1 Mar. 2018
• Photo: Associated Press Congo produces some two-thirds of the world’s supply of cobalt, which is key to the manufacturing of lithium-ion batteries, along with minerals such as copper, tin and coltan used in cellphones, laptops and electric cars.
  — Gabriele Steinhauser, WSJ, 20 Dec. 2018
• The war was fueled by the region’s immense natural riches, which include gold, diamonds, tin, timber and coltan, a mineral essential to the manufacture of smartphones and other consumer electronics.
  — Tommy Trenchard, Newsweek, 26 Dec. 2016
• Race organizers ask for these donations because recycling cell phones reduces the need for additional coltan, a mineral extracted from the forests of Congo, home to endangered lowland gorillas.
  — Chris Barlow, Milwaukee Journal Sentinel, 3 Jan. 2018
• These recoverable materials include gold, silver, copper, coltan, platinum, palladium, and other high-value metals.
  — National Geographic, 13 Dec. 2017

Last Updated: 24 Jul 2024