File:Tumulus-inflationary cave.jpg
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Summary
| Description |
English: A tumulus is an inflated portion of lava that may be hollow, and signify an inflationary cave. It occurs when lava is forced up from below and pushes up the surface. If that lava drains back down, a void can be left. |
| Date | |
| Source | Own work |
| Author | Dave Bunnell |
Licensing
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 3.0 Unported license.
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File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 00:47, 9 December 2008 | | 1,280 × 945 (416 KB) | Dave Bunnell-speleodave | {{Information |Description={{en|1=A tumulus is an inflated portion of lava that may be hollow, and signify an inflationary cave. It occurs when lava is forced up from below and pushes up the surface. If that lava drains back down, a void can be left.}} |S |
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