How to Use chert in a Sentence

chert

noun

• Quartzite turned out to be the sharpest stone on the list, with chert coming in a close second.
  — Kiona N. Smith, Ars Technica, 3 Feb. 2020
• The blade was made of a hard, dark rock called chert that is similar to flint.
  — Nicholas St. Fleur, New York Times, 21 June 2018
• The tools—six sharp brown chert flakes and a scraper—make a much clearer case.
  — Kiona N. Smith, Ars Technica, 29 Oct. 2018
• And in his final moments, the Iceman ran out of chert to fix his tools.
  — Nicholas St. Fleur, New York Times, 21 June 2018
• This chert bladelet still has a remnant of its bone haft attached.
  — Kiona N. Smith, Ars Technica, 3 Mar. 2022
• The chert that Otzi used was mined from three different areas, which were as far as 40 miles away, Dr. Wierer said.
  — Nicholas St. Fleur, New York Times, 21 June 2018
• Who made these small, efficient chert blades and used so much ocher at Xiamabei?
  — Kiona N. Smith, Ars Technica, 3 Mar. 2022
• McKillop and Aoyama examined the edges of 20 chert blades from the site under a microscope.
  — Kiona N. Smith, Ars Technica, 9 Oct. 2018
• It is made of red rock — radiolarian chert, formed millions of years ago, when this part of the world was at the bottom of an ancient sea.
  — Carl Nolte, SFChronicle.com, 21 Mar. 2020
• His antler retoucher, for instance, bore the scars of striking chert at an oblique angle in the direction a right-handed flintknapper would use.
  — Kiona N. Smith, Ars Technica, 22 June 2018
• To find out, the archaeologists compared the sharpness and durability of Olduvai basalt, chert, and quartzite: three of the most common materials for stone tools in and around the gorge.
  — Kiona N. Smith, Ars Technica, 3 Feb. 2020
• In exchange, Cahokian emissaries brought with them a kind of rock known as Burlington chert, a familiar resource for making their unique tri-lobed projectile points.
  — Jayur Mehta, The Conversation, 30 Oct. 2020
• Blades chipped from cryptocrystalline, rocks such as chert and obsidian, are extremely sharp.
  — Keith McCafferty, Field & Stream, 24 Apr. 2020
• At sites older than BOK-2, occupants made their tools out of local volcanic rock, with exotic materials like obsidian and green, white, or brown chert showing up less than eight percent of the time.
  — Kiona N. Smith, Ars Technica, 18 Mar. 2018
• Whoever created it was probably a hunter-gatherer living at Lingjing, in northern China, near the end of the last Ice Age; their culture also made simple pottery and shaped black chert into small, sharp blades.
  — Kiona N. Smith, Ars Technica, 10 June 2020
• For instance, the Mars 2020 fossil hunters will look for chert and silica—two types of minerals that, on Earth, are ideal for entombing and preserving biological material.
  — National Geographic, 17 Oct. 2016
• For instance, the Mars 2020 fossil hunters will look for chert and silica—two types of minerals that, on Earth, are ideal for entombing and preserving biological material.
  — National Geographic, 17 Oct. 2016

Last Updated: 24 Jul 2024