File:Magnetic sand on the beach.jpg
Magnetic_sand_on_the_beach.jpg (750 × 600 pixels, file size: 202 KB, MIME type: image/jpeg)
Captions
Captions
Summary
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| Description |
It what happens if you touch the sand with a magnet - you get an "iron brush" (fun for kids)! Famous for surfing, Piha beach is made up of that black "iron sand" In fact it is titano-magnetite sand. It had previously been thought that the black iron sand of Piha arrived from the eruption of Mt Taranaki, but recent study shows that the sand supply of the West Coast is titano-magnetite sand primarily from the eruption of Taupo (Oruanui eruption), brought our way by the Waikato River. The Taupo volcano is one of the world's largest known eruption It occurred around 26,500 years ago. Taupo is 300km south from that Piha peach. See my photo of Piha below (and on the map - geotagged) |
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| Source |
Iron sand from Piha beach in New Zealand
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| Author | Tatiana Gerus from Brisbane, Australia |
| Camera location |  | View this and other nearby images on: OpenStreetMap |  |
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This image, originally posted to Flickr, was reviewed on November 13, 2010 by the administrator or reviewer File Upload Bot (Magnus Manske), who confirmed that it was available on Flickr under the stated license on that date. |
File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 08:00, 28 May 2017 | | 750 × 600 (202 KB) | Sebastian Wallroth (talk | contribs) | Removed border by cropping 1 % horizontally and 1 % vertically using CropTool with precise mode. |
| 00:03, 13 November 2010 |  | 754 × 604 (211 KB) | File Upload Bot (Magnus Manske) (talk | contribs) | {{Information |Description=It what happens if you touch the sand with a magnet - you get an "iron brush" (fun for kids)! Famous for surfing, Piha beach is made up of that black "iron sand" In fact it is titano-magnetite sand. It had previously been thou |
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