Calton Hill, Derbyshire
Encyclopedia
Calton Hill is a Site of Special Scientific Interest
in Derbyshire
, England
, showing Olivine
Diorite
magma chamber. It is the site of an extinct volcano and the quarrying that has now been abandoned means that it is possible to observe the geological structures caused by the repeated eruptions. The eruptions were small and were then underwater as Derbyshire was covered by a sea in the Carboniferous period (around 330 million years ago).
The nearest place is Blackwell and the nearest town is Buxton
to the west.
(
Site of Special Scientific Interest
A Site of Special Scientific Interest is a conservation designation denoting a protected area in the United Kingdom. SSSIs are the basic building block of site-based nature conservation legislation and most other legal nature/geological conservation designations in Great Britain are based upon...
in Derbyshire
Derbyshire
Derbyshire is a county in the East Midlands of England. A substantial portion of the Peak District National Park lies within Derbyshire. The northern part of Derbyshire overlaps with the Pennines, a famous chain of hills and mountains. The county contains within its boundary of approx...
, England
England
England is a country that is part of the United Kingdom. It shares land borders with Scotland to the north and Wales to the west; the Irish Sea is to the north west, the Celtic Sea to the south west, with the North Sea to the east and the English Channel to the south separating it from continental...
, showing Olivine
Olivine
The mineral olivine is a magnesium iron silicate with the formula 2SiO4. It is a common mineral in the Earth's subsurface but weathers quickly on the surface....
Diorite
Diorite
Diorite is a grey to dark grey intermediate intrusive igneous rock composed principally of plagioclase feldspar , biotite, hornblende, and/or pyroxene. It may contain small amounts of quartz, microcline and olivine. Zircon, apatite, sphene, magnetite, ilmenite and sulfides occur as accessory...
magma chamber. It is the site of an extinct volcano and the quarrying that has now been abandoned means that it is possible to observe the geological structures caused by the repeated eruptions. The eruptions were small and were then underwater as Derbyshire was covered by a sea in the Carboniferous period (around 330 million years ago).
The nearest place is Blackwell and the nearest town is Buxton
Buxton
Buxton is a spa town in Derbyshire, England. It has the highest elevation of any market town in England. Located close to the county boundary with Cheshire to the west and Staffordshire to the south, Buxton is described as "the gateway to the Peak District National Park"...
to the west.
External links
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