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Thanks for the pos.. by Conor74   (Show all posts)
Possibly a male He.. by milokane   (Show all posts)
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)


RECENT CONTRIBUTIONS 1 2 3 .. 15 Next page >>
Track
Camenabologue SE
Bunsen7 14 hours ago.
This shortish alternative track makes use of a forest ride (as heralded by Simon3) from Glenmalure to reach Camenabol... walk, Len: 10.6km, Climb: 664m, Area: Camenabologue SE Top, Dublin/Wicklow (Ir

  
Track
Mullaghcleevaun circuit
osullivanm 15 hours ago.
A very pleasant circuit although some difficult ground between Duff Hill and the return to start of hike. walk, Len: 17.3km, Climb: 792m, Area: Black Hill, Dublin/Wicklow (Ireland) Blac...

  
Forum: General
An Alp for OAPs...
Colin Murphy 2 days ago.
If you an ageing hillwalker like myself who might have liked to bag an ‘Alp’ but are too long in the tooth to contemplate such an adventure, fear not, there is a simple little Austrian Alp you can...

Summit Comment
Scrabo Hill: Hill with a tower on top
Wilderness 4 days ago.
The hill on its own is 160 meters high and the tower is 40 meters high. The tower is closed during the winter months.The hill can be climbed from the car park just below the Golf Clubhouse at J475...

  
Summit Comment
Divis: Great views
Wilderness 3 days ago.
The car park is quite high up on the west side of the mountain at J266741. There are a number of different trails to walk around on Divis and Black mountain. Divis is the highest point (478m), wi...

  
Track
Bonscale Pike-Wether Hill Loop
David-Guenot 4 days ago.
A beautiful route which takes in 6 wainwrights (Bonscale Pike, Arthur's Pike, Loadpot Hill, Wether Hill, Steel Knotts... walk, Len: 17.3km, Climb: 948m, Area: Swarth Fell (Ullswater), Lake District -

Forum: General
MOUNTAINVIEWS MEMBERS MEET APRIL 2018
liz50 3 days ago.
Not long now until the first Mountainviews members meet of 2018. We will be walking in the Galtee mountains on Saturday 28th April. If you are thinking of joining us and would like more details pl...

  
Summit Comment
Keelogyboy Mtn Far E Top: A small beautifully shaped mountain.
Wilderness 5 days ago.
This mountain is easy to recognise because of its shape. A good place to start is at Doon Lough car park at G794363. From here walk down the R278 towards Sligo and take the second country road on ...

  
Track
Great Mell Fell
David-Guenot 4 days ago.
walk, Len: 3.2km, Climb: 277m, Area: Great Mell Fell, Lake District - Eastern F...

Summit Comment
Cloghernagh: Snow Covered Plateau
davsheen a week ago.
Cloghernagh and Lug taken from Croghanmoira

  
Forum: General
The Independent State
BleckCra 5 days ago.
Independence of Ireland from Britain but not from Europe. Independence of Catalonia from Spain but not from a Spanish jail. Independence of Scotland from no one but definitely from England. Indepe...

  
Track
Little Mell Fell
David-Guenot 4 days ago.
walk, Len: 1.2km, Climb: 130m, Area: Little Mell Fell, Lake District - Eastern ...


RECENT CONTRIBUTIONS 1 2 3 .. 15 Next page >>