flagstone

Example Sentences

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This spring Reyes and others analyzed Canadian Arctic and sub-Arctic cave deposits, such as flowstones and stalagmites, and determined that Arctic permafrost soils thawed quite a bit during some ancient warm periods.

From Scientific American • Aug. 11, 2021

Some of these have bubbled together into flowstones, alluringly smooth formations that resemble miniaturized caramel mountain ranges.

From Washington Post • Apr. 4, 2019

The scientists discovered flowstones underneath some images, as well; these samples allowed them to determine a maximum age.

From New York Times • Nov. 7, 2018

Dating flowstones is a big advance on previous techniques for determining the age of cave art, but there is one major limitation: it can only assign a minimum age to cave paintings.

From Seattle Times • Mar. 23, 2018

"We've got a geological bracket based on flowstones overlying the fossils and we've had direct dates on the teeth themselves," said John Hawks.

From BBC • May 9, 2017