Mangawhai Rocks February 19, 2017 by Trish Whyte 2 Comments Add to my favourite walks What made the big rock at surf beach white? What made large vertical columns on the shoreline ? Ancient archways and rock formations..walk, learn, discover on the Geology Walk ..one of my favourites !! Our Giant Causeway..columnar jointing on the shore line Ancient Basalt Archway Understanding our ancient rocks Geology walkers head to beach
Chris says April 17, 2023 at 9:31 pm What made the white rocks white!!!!! That’s your leading question… what’s the answer!! Reply
Trish Whyte says May 9, 2023 at 8:11 pm Hi Chris did you do the geoplogy walk, its fascinating! The white rocks at the surf beach are thermally altered by hot springs about 2 million years ago. Reply
Chris says
What made the white rocks white!!!!!
That’s your leading question… what’s the answer!!
Trish Whyte says
Hi Chris
did you do the geoplogy walk, its fascinating!
The white rocks at the surf beach are thermally altered by hot springs about 2 million years ago.