File:Moeraki Boulders Otago NZ (26411317600).jpg
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MOERAKI BOULDERS The Moeraki Boulders are situated on Koekohe Beach at a place named Kumara, midway between Hampden and Moeraki townships in North Otago. Access to them is gained by a small one-way side road, 1 mile north along the main road from Hillgrove railway station. The boulders are grey-coloured septarian concretions, which have been eroded out by wave action from the cliffs of soft, black mudstone that back the beach. In places, partially exposed concretions can be seen in the cliffs. They originally formed on the sea floor when the mudstone was accumulating during the early Tertiary period some 60 million years ago. The largest concretions are traversed by cracks, filled by yellow calcite. In some the upper part is worn away; only a shell remains, looking like discarded segments of orange peel. The concretions weigh several tons and are up to 12 ft in circumference. Similar concretions are known on the north-facing foreshore of Shag Point, some 12 miles further south, but these are derived from older (upper Cretaceous) mudstone. |
| Date | |
| Source | Moeraki Boulders Otago NZ |
| Author | Bernard Spragg. NZ from Christchurch, New Zealand |
| Camera location |  | View this and other nearby images on: OpenStreetMap |  |
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This file is made available under the Creative Commons CC0 1.0 Universal Public Domain Dedication. |
| The person who associated a work with this deed has dedicated the work to the public domain by waiving all of their rights to the work worldwide under copyright law, including all related and neighboring rights, to the extent allowed by law. You can copy, modify, distribute and perform the work, even for commercial purposes, all without asking permission.
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This image was originally posted to Flickr by Bernard Spragg at https://flickr.com/photos/88123769@N02/26411317600 (archive). It was reviewed on 10 July 2018 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-zero. |
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| current | 09:55, 10 July 2018 | | 4,000 × 2,142 (6.46 MB) | Thesupermat2 (talk | contribs) | Transferred from Flickr via #flickr2commons |
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