Sentences with phrase «polished rock surface»
As part of the process, team members shaved off 50 microns of sample at a time — about half the width of a human hair — and photographed the polished rock surface each time.
http://www.situstudio.com/ Not exact matches
The glaciers that carved Yosemite Valley left highly polished surfaces on many of the region's rock formations.
On an end table near the sofa rests a large oval rock, with one half polished black so that its surface resembles the Chinese yin - yang symbol.