Professor Rolfe Erickson holds part of his collection of Healdsburg tektites in this 2003 photo. Photo by Jean Wasp, Sonoma State University A scattering of mysterious stones in Sonoma and Solano ...
As a kid, Dry Creek Valley native Paul LeBrett would collect distinctive, olive-sized, pitted gray rocks, not knowing what they were, except they were the perfect size for his slingshot. “They were ...
Scientists thought that an Australian museum’s collection of tektites came from an 800,000-year-old asteroid strike on Earth. Some of them turned out to be much older. By Katherine Kornei Every few ...
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A new field of tektites discovered in Brazil
Tektites are natural glasses formed by the high-energy impact of large meteorites against Earth's surface. Recently, a team of researchers found a new strewn field of them in the Brazilian state of ...
As a kid, Dry Creek Valley native Paul LeBrett would collect distinctive, olive-sized, pitted gray rocks, not knowing what they were, except they were the perfect size for his slingshot. “They were ...
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