Cook's Head Rock is a phonolite basalt rock standing on the Chrystall's Beach expanse closely north of the rivermouth settlement
Toko Mouth
Toko Mouth is a settlement close to the south bank of the mouth of the Tokomairaro River, some south of Dunedin and southeast of Milton in Otago, New Zealand.
The settlement comprises some 70 holiday homes, of which a small percentage are oc ...
of
South Otago South Otago lies in the south east of the South Island of New Zealand. As the name suggests, it forms the southernmost part of the geographical region of Otago.
The exact definition of the area designated as South Otago is imprecise, as the area is ...
,
New Zealand
New Zealand ( mi, Aotearoa ) is an island country in the southwestern Pacific Ocean. It consists of two main landmasses—the North Island () and the South Island ()—and over 700 List of islands of New Zealand, smaller islands. It is the ...
.
The lower faces of the rock are made up of numerous
hexagonal basalt columns suggesting Cook's Head Rock is a former
volcanic vent
A volcano is a rupture in the crust of a planetary-mass object, such as Earth, that allows hot lava, volcanic ash, and gases to escape from a magma chamber below the surface.
On Earth, volcanoes are most often found where tectonic plates ar ...
.
See also
*
List of rock formations of New Zealand
References
Rock formations of Otago
Volcanic plugs of New Zealand
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