File:1.1-01LithoP.jpg
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1.1-01LithoP.jpg (800 × 514 pixels, file size: 125 KB, MIME type: image/jpeg)
Captions
Captions
A collection of lithophysae "thundereggs."
Summary
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| Description |
English: A collection of lithophysae "thundereggs" from many locations showing the outside "sutures and plates" where fractures reached the surface. On cooling the cristobalite needle structure was no longer viable so the SiO2 reverted to other forms. some have smaller "eggs" attached.
Many "eggs" have ridges where the steam pressed the rhyolite away. Others cooled and allowed the matrix ro press them flat or even indent them. |
| Date | |
| Source | Own work |
| Author | DaveC1 |
Licensing
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I, the copyright holder of this work, hereby publish it under the following license:
This file is licensed under the Creative Commons Attribution-Share Alike 4.0 International license.
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- to share – to copy, distribute and transmit the work
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File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 01:25, 27 December 2020 | | 800 × 514 (125 KB) | DaveC1 (talk | contribs) | Uploaded own work with UploadWizard |
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