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Hi Paulocon I see .. by Derry259   (Show all posts)
Mountain Views is .. by ahendroff   (Show all posts)
mcrtchly
2010-05-07 13:45:31
"Caninophyllum" from mcrtchly Expand pics
Caninophyllum (Expand pics)
Coral fossils
Following on from Kerrnowclimber's description of the fossils that we found on Ben Bulben I have attached a photograph of one of the common species (Caninophyllum) that can be found in the Dartry Limestone (which forms the cap to the Ben Bulben plateau). The Dartry Limestone was deposited in shallow equatorial seas above a shelf of rock. Coral reefs fringed the shelf much like the present-day barrier reefs and coral atols. There were a wide variety of corals living on the reef. Some coral species evolved little over millions of years whilst other species were short lived. Geologists can identify the different species from their fossils and this helps to date the rocks and to correlate rocks across different exposures (eg between Ben Bulben and the Burren). The idenitification of the species requires careful measurement and observation of features in the coral fossil such a sub-divisions, central core and septa (which are the radial 'spokes' of the creature).
Simon has suggeste.. by kernowclimber   (Show all posts)
Dessie, here's a c.. by paulocon   (Show all posts)
I found a small bl.. by kili or bust   (Show all posts)
...jackill got me .. by wicklore   (Show all posts)
Long ago and far a.. by jackill   (Show all posts)
For those of us no.. by Bleck Cra   (Show all posts)
My dear Wicklore, .. by jackill   (Show all posts)


RECENT CONTRIBUTIONS 1 2 3 .. 17 Next page >>
Track
Ballyknockan Duo
Bunsen7 less than an hour ago.
Park in the car park of the pub beside the disused petrol pump in the centre of Ballyknockan. With your back to the pu... walk, Len: 8.5km, Climb: 542m, Area: Silsean, Dublin/Wicklow (Ireland) Silsea

  
Summit Summary
Truskmore: The Height of Sligo
Collaborative entry Last edit by: simon3, Peter Walker an hour ago.
The Dartry Mountains are among the most distinctive in Ireland, so it's unfortunate that their highest hill is one of the least distinctive in the range. Once one gets away from the signature stee...

  
Summit Comment
Truskmore: ACCESS PROBLEM at CLOONTYPRUGHLISH IG788 476
eflanaga 13 hours ago.
Earlier today I accompanied a friend, who is completing the County Tops, to climb onto Truskmore. Having previously summited from the Glencar and Tievebaun sides I suggested we go up by Eagles Roc...

Forum: General
Irish hill runners and the Spine Race
IainT 17 hours ago.
The Spine Race is a 268 mile run up the Pennine Way in the north of England, run every January, invariably featuring snowdrifts, gales and many miles of sucking bog, much of it run in the dark. It...

  
Track
Cadair Idris Circuit
Onzy 17 hours ago.
Route over Cadair Idris with a number of extensions. This descent is far from intuitive, largely untracked and involv... walk, Len: 14.7km, Climb: 1086m, Area: Craig Lwyd, Dolgellau to Machynlleth (B

  
Summit Comment
Slieve Binnian: New developments
Mrswoodlands a day ago.
Climbed Binnion from the Carrick Little car park yesterday. We went up the Mourne wall as described by other contributers. While hugging the wall, as described, we noted a clear track not previous...

Summit Summary
Seefin Mountain E Top: Up the old bog road.
Collaborative entry Last edit by: melohara 4 days ago.
Car park space at R66276 16811. Over or around the gate and head uphill on a good track that crosses the hill near the summit.On the crest of the hill the summit cairn is over a wall to your right...

  
Track
Snowdon: Nantlle Ridge
Onzy 17 hours ago.
Nantlle Ridge route. Few blips in track - distance is about 20k, ascent 1,250 and time 7.30. walk, Len: 15.6km, Climb: 837m, Area: Y Garn, Snowdonia (Britain) Y Garn, Mynyd...

  
Summit Summary
Seefin Mountain W Top: Bog and rough ground.
Collaborative entry Last edit by: melohara 4 days ago.
Car park space at R66276 16811. Over or around the gate and head uphill on a good track that crosses the hill near the summit of Seefin Mountain East top.Follow the track on downhill from the cres...

Summit Summary
Seefin South-East Top: Seefin South East Top is easily visited
Collaborative entry Last edit by: melohara 4 days ago.
Seefin South East Top is easily visited from the track leading to Seefin Mountain East Top and Seefin Mountain West Top which starts st R66276 16811. Just follow the track to R65202 17892 from whe...

  
Track
Central Dingle Quartet from Anascaul
Bunsen7 2 days ago.
Follow the track from Anascaul lake car park northwards up onto the mountain plateau.Track leads northwards from lake... walk, Len: 15.8km, Climb: 949m, Area: Stradbally Mountain, Central Dingle (Ire

  
Summit Comment
Carnaween: The visitors book box near the summit
Aidy a week ago.
Just wanted to show the brilliantly constructed little box which contains the visitors book. It was too wet and windy on my visit to take it out and risk ruining it. A few shafts of light breaking...


RECENT CONTRIBUTIONS 1 2 3 .. 17 Next page >>