Oregon Field Guide
Thundereggs: Oregon's State Rock
Clip: Season 25 Episode 2504 | 7m 4sVideo has Closed Captions
Rock hounds flock to Oregon from around the world to find thundereggs.
Oregon's high desert from Madras to the Ochoco Mountains has some of he largest deposits of thundereggs in the world. Rock hounds slice them open to find agate, jasper, opal, sometimes in ornate patterns, hidden inside, the first people in history to ever see the formations since they were encased in cooling lava 60 million years ago. Thundereggs were named the state rock of Oregon in 1965.
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Oregon Field Guide is a local public television program presented by OPB
Oregon Field Guide
Thundereggs: Oregon's State Rock
Clip: Season 25 Episode 2504 | 7m 4sVideo has Closed Captions
Oregon's high desert from Madras to the Ochoco Mountains has some of he largest deposits of thundereggs in the world. Rock hounds slice them open to find agate, jasper, opal, sometimes in ornate patterns, hidden inside, the first people in history to ever see the formations since they were encased in cooling lava 60 million years ago. Thundereggs were named the state rock of Oregon in 1965.
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An Eastern Oregon stock ranch dedicated to sustainability. (11m 3s)
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Oregon Field Guide is a local public television program presented by OPB