File:Flame structures in Waitemata sandstone, at Long Bay 2.jpg
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Size of this preview: 800 × 384 pixels. Other resolutions: 320 × 154 pixels | 640 × 307 pixels | 1,024 × 491 pixels | 1,280 × 614 pixels | 3,753 × 1,801 pixels.
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English: Flame structures in Waitemata Sandstone, exposed on an intertidal rock platform between Long Bay and Granny's Bay, Auckland, New Zealand. The longest of the "flames" is about 2 cm in length. Contrast has been enhanced. Waitemata Sandstone consists of alternating layers of sandstone and mudstone, deposited in a submarine basin between 15 and 20 million years ago. Here a light coloured band of sandstone overlies a darker mudstone layer. As the sandstone pressed down on the mudstone, water escaped upwards along with some of the mud to form the flame structures seen here at the boundary between the two layers. |
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| Source | Own work |
| Author | Avenue |
| Camera location |  | View this and other nearby images on: OpenStreetMap |  |
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This is a retouched picture, which means that it has been digitally altered from its original version. Modifications: Cropped, curves adjusted to darken and increase contrast.
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Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled GNU Free Documentation License. |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 00:54, 25 November 2010 | | 3,753 × 1,801 (2.79 MB) | Avenue (talk | contribs) | Rotated, cropped, curves adjusted to darken and increase contrast. |
| 00:50, 25 November 2010 |  | 5,184 × 3,456 (6.68 MB) | Avenue (talk | contribs) | {{Information |Description={{en|1=Flame structures in Waitemata sandstone, exposed on an intertidal rock platform between Long Bay and Granny's Bay, Auckland, New Zealand.}} |Source={{own}} |Author=Avenue |Date=2010-1 |
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