Iona glacial erratics granite boulders carried by ice.
Iona marble geology.
Iona columba s bay famous for its green serpentine marble pebbles.
The amphibolite group contains concordant marble and iron rich horizons which delineate the major fold structures in south and west iona.
Iona columba s bay famous for its green serpentine marble pebbles.
Iona marble quarry white marble no longer quarried.
Or better still treat yourself to a piece of iona or mull jewellery set from martyrs bay shop with marble or granite which.
Iona marble is found by diving from the beaches into under water seams on the isle of iona scotland.
If you look closely at the lewisian gneiss and at the younger iona group rocks on the east side of iona you might notice bright red sheet like veins of.
ì chaluim chille sometimes simply ì is a small island in the inner hebrides off the ross of mull on the western coast of scotland it is mainly known for iona abbey though there are other buildings on the island iona abbey was a centre of gaelic monasticism for three centuries and is today known for its relative tranquility and natural environment.
This 2700 million year old rock is composed of a unique combination of serpentine and limestone.
It seems appropriate to add to this website a section about the legendary stone called iona marble whose source is a unique small geological outcrop near the south end of the island this beautiful green and white local stone has been highly revered since prehistoric times.
A number of coves and beaches towards the south of the island contain small pebbles of iona marble polished for aeons by.
There are many more locations which are of geological interest.
Iona marble quarry white marble no longer quarried.
Chemical analyses of the metasediments and basic rocks in the amphibolite group indicate that the sequence was probably originally a supracrustal group composed of tuffs lavas impure limestone and iron rich.
Several bands of marble crop out in the gneiss and one of these was commercially worked in the past the remains of which can be seen in an inlet on the south east corner of the island.
