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Tharsis Tholus
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| Name | Type | Width x Height | Size |
|---|---|---|---|
| tharsis.gif | GIF | 423 x 384 | 113K |
| tharsis.jpg | JPEG | 423 x 384 | 13K |
Tharsis Tholus measures about 150 kilometers (93 miles) across and 8 kilometers (5 miles) high. The east and west flanks are indented giving it a strange appearance. One possible cause for its appearance is that when the lava supply drained away, the center of the volcano collapsed. An alternative is that big slump areas carried off portions of the flanks, giving it the broken appearance.
This image is Copyright © by Calvin J. Hamilton. Any commercial/for-profit use of this image needs to be addressed to Calvin J. Hamilton.