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you forgot the cur.. by maclimber   (Show all posts)
A squillion years .. by Bleck Cra   (Show all posts)
Thanks mccrtchly f.. by slemish   (Show all posts)
mcrtchly
2011-01-18 10:41:57
Irish Volcanoes
Of course there are no active volcanoes in Ireland - yet (but maybe in 50 million years time when Africa collides with Europe or in 150Ma time when the Atlantic Ocean starts to close). However there are the remains of old volcanoes throughout the geological record in Ireland. The youngest are found in NE Ireland and are related to the opening of the Atlantic Ocean about 60Ma ago. Slieve Gullion is the core of a volcano from this time (see: http://www.louthcoco.ie/en/Publications/General/A_Geological_Field_Guide_to_Cooley,_Gullion,_Mourne_Slieve_Croob_.pdf). Slemish in Antrim is the core of another volcano from this period. During the Carboniferous period (350Ma) occasional small volcanoes disturbed the warm tropical seas. The remnants of these can be seen today as several small hills in the Irish Midlands such as Croghan Hill in Offaly. The Lough Guitane (Mangerton) volcanic complex in Kerry is slightly earlier (about 390Ma) but is related to the same tectonic events (the closing of an ocean to the south of Ireland at this time). Going back further in time Ireland was split in two by a precursor to the Atlantic Ocean known as the Iapetus Ocean (SE Ireland was split many 1000'skm from NW Ireland by the ocean). When the Iapetus closed around 450Ma there were many volcanoes in Ireland. An example (now eroded to sea level) can be seen on the Copper Coast in Waterford (see: http://homepage.eircom.net/~ccgeopark/Geology.htm). There are also numerous ancient volcanic cores in Connemara and Mayo.
...I remember one .. by Conor74   (Show all posts)
hbowman, just ask .. by Bleck Cra   (Show all posts)
....well a mystery.. by bryanmccabe   (Show all posts)
Just out of curios.. by hbowman1   (Show all posts)
The Devilís Coach .. by dhmiriam   (Show all posts)
New Camera; stupid.. by Bleck Cra   (Show all posts)


RECENT CONTRIBUTIONS 1 2 3 .. 18 Next page >>
Track
BRANDON HILL - THE QUICK WAY
David-Guenot 15 hours ago.
A steep but quick ascent along the forestry on rocky terrain, along what I believe has been dug as a firebreak rather ... walk, Len: 5.0km, Climb: 305m, Area: Brandon Hill, South Midlands (Ireland) B

  
Summit Comment
Carrickarede: Island.
sandman a day ago.
Carrickarede island is connected to the mainland by the world famous Carrick-a-Rede rope bridge. One of Northern Ireland's top tourist attractions it is operated by the National Trust but unfortun...

  
Summit Comment
Inishmeane: The concrete road thru the village
magicstep 2 days ago.
Part of the village, about 10 houses in total.

Track
BLACKSTAIRS CHALLENGE 2017 - A PEAK-BAGGER'S ROUTE
David-Guenot 17 hours ago.
walk, Len: 34.1km, Climb: 1629m, Area: Black Rock Mountain, Blackstairs Mountai...

  
Summit Comment
Inishmeane: Not much to do, a tranquil place.
magicstep 2 days ago.
Visited in 2014. There's a sandy beach and a solid pier with slipway and a picnic table facing the mainland. The road from the pier all the way thru the village is a robust concrete one, but it's ...

  
Summit Comment
Inishsirrer: Deserted village
magicstep 2 days ago.
Mainland on the horizon (left and right)

Track
THE LONG WAY UP LUG
David-Guenot 17 hours ago.
walk, Len: 21.0km, Climb: 980m, Area: Cloghernagh, Dublin/Wicklow (Ireland) Clo...

  
Summit Comment
Inishsirrer: The only building that is not a ruin.
magicstep 2 days ago.
Surprisingly Donegal islands have a very good mobile internet reception, sometimes better than in an office in Dublin.

  
User profile
ewen
ewen 3 days ago.
Now living furth of Scotland and getting to know the Irish hills. If you come across a Scottish hill Walker with dodgy knees and walking sedately, stop and say hello.

Summit Comment
Inishsirrer: Part of a road from the past
magicstep 2 days ago.
There's a salty tidal lake on the island.

  
Track
CAMADERRY + TONELAGEE + BROCKAGH
David-Guenot 17 hours ago.
walk, Len: 27.6km, Climb: 1295m, Area: Camaderry South East Top, Dublin/Wicklow...

  
Summit Comment
Inishsirrer: Uninhabited except a few sheep.
magicstep 2 days ago.
I did kayak to the island in 2014. There is a slipway facing the mainland. Lot's of ruined houses. Walking is decent as the island is flat but in places ground is uneven and overgrown, there are o...


RECENT CONTRIBUTIONS 1 2 3 .. 18 Next page >>