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We are working with the owners of the Old Byre at
Dervaig to put together a Geological Exhibition as part
of the overall visitor experience. There are several
parts to the exhibition, listed below:
-
Mull and Iona Geological Map
-
Rock Samples
-
Stratigraphic Chart and Explanation
-
Geological Photographs
The map has
already been prepared and the rock samples are ready
for display. The other items are still being worked
on. The rock samples have all been carefully
selected - there are 33 in all, although provision
has been made to include more. There are some "hard
to come by" examples which will need extensive field
work to gather! Here is the list of samples:
-
1
Iona Pebbles Columba's
Bay, Iona
-
2 Benmoreite
Ben More
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3 Gneiss Iona
-
4 Anorthosite Marble
Quarry, Iona
-
5 Silverstone
Marble Iona, NW
-
6 Flint
Conglomerate Achnacroish
-
7 Bostonite Rudh’
a’ Chromain
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8 Big
Feldspar Basalt Dun Da Ghaoithe
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9 Marble Iona
Quarry
-
10
Granophyre Allt na
Searmoin, Salen
-
11
Mica Schist Port
Uisken
-
12
Vesicular Basalt Ardmore
-
13
Garnet Amphibolite Port
Uisken
-
14
Epidote Gneiss Iona
-
15
Red Bole Loch
Torr
-
16
Gabbro Craig
Quarry
-
17
Psammite Gribun
-
18
Quartz
Crystals Wilderness
-
19
Geode in Basalt Cadh an
Easa
-
20
Gabbro pegmatite Craig
Quarry
-
21
Conglomerate Leaf Bed
, Ardtun
-
22
Granite Fionnphort,
-
23
Fluxion Felsite
Garmony
-
24
Microgranodiorite
Fionnphort
-
25
Pegmatite Scoor
-
26
Amphibolite Iona
-
27
Dolerite ‘S
Airde Beinn
-
28
Porph. Microgranite Iona
-
29
Cornstone
Gribun
-
30
Augite Diorite Glen
Clachaig
-
31
Sandstone
Bloody Bay
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32
Cone Sheet River
Clachaig
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33
Craignureite
Craignure
Thumbnails of the
samples can be seen on the next page
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