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File:Punakaiki blow holes. (53094420216).jpg

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The Pancake Rocks at Dolomite Point are limestone formations that began forming 30 million years ago when lime-rich fragments of dead marine creatures were deposited on the seabed. These were later overlaid by layers of soft mud and clay. Earthquakes raised them from the seabed to the level we see today.


Each ‘pancake’ consists of a layer of limestone layer made up of tiny shell fragments, separated from the next pancake by a thin layer of siltstone. Thousands of years of rain, wind and sea spray have etched the softer siltstone into nearly-horizontal grooves, and rounded the edges of the limestone layers, which together look like giant layers of pancakes.

Dolomite Point has a maze of underground passages and large open caverns which face the sea. When there’s a big swell, and the ocean surges into these caverns, water is forced into the passages. Looking for an escape route it follows the passages to the surface. As high tide approaches huge geysers of spray burst skywards. When there’s a big sea running the blowholes are spectacular.
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Source Punakaiki blow holes.
Author Bernard Spragg. NZ from Christchurch, New Zealand
Camera location42° 06′ 50.16″ S, 171° 19′ 35.48″ E Kartographer map based on OpenStreetMap.View this and other nearby images on: OpenStreetMapinfo

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This image, originally posted to Flickr, was reviewed on 14 September 2023 by the administrator or reviewer Abzeronow, who confirmed that it was available on Flickr under the stated license on that date.

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current11:12, 11 September 2023Thumbnail for version as of 11:12, 11 September 20235,170 × 3,310 (8.76 MB)Flora and fauna man (talk | contribs)Transferred from Flickr via #flickr2commons

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