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rims clearly outline the individual pillows. It is composed of dark green/black, very fine crystalline, basaltic rock, which has weathered to a dark red/brown colouration due to the presence of iron minerals.
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The sandstone member of the unit is a pale green/grey, fine to medium grained, well sorted sandstone. It shows good cross-bedding and rare ripple structures indicating a tidal depositional environment.
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running NNE-SSW, that extends straight through the summit of Moel yr Ogof and can be seen clearly, in the mountain's profile, when taking the path up to the Hebog ridge from the South.
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can be found on the cliff at the eastern flank of the mountain. The
Beddgelert Forest lies directly to the north east, while Cwm Pennant lies to the west. Good views of the
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Nuttall, John & Anne (1999). The
Mountains of England & Wales - Volume 1: Wales (2nd edition ed.). Milnthorpe, Cumbria: Cicerone.
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trial mine located on the summit. A small seam of white asbestos was discovered however insufficient amounts to commercially mine.
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Surrounding the crown of the mount is a geological unit consisting of alternating bands, of varying thickness, of
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www.geograph.co.uk : photos of Moel yr Ogof and surrounding area
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The pillow basalt is relatively well preserved in places, where
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origin, potentially derived from the pillow basalt itself.
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The summit of Moel yr Ogof is composed of a brecciated
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389:. You can help Knowledge (XXG) by
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451:Mountains and hills of Snowdonia
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241:and a sister peak to the lower
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446:Mountains and hills of Gwynedd
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312:to the north are observed.
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56:655 m (2,149 ft)
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66:118 m (387 ft)
466:Gwynedd geography stubs
294:There is a large scale
385:location article is a
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147:English translation
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359:Moel yr Ogof from
126:53.0086°N 4.1534°W
46:Highest point
32:Moel yr Ogof from
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271:and a green/grey
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456:Hewitts of Wales
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155:Language of name
150:hill of the cave
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131:53.0086; -4.1534
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391:expanding it
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231:Moel yr Ogof
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187:Parent range
21:Moel yr Ogof
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275:that is of
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104:Coordinates
72:Parent peak
441:Dolbenmaen
436:Beddgelert
430:Categories
361:Moel Hebog
316:References
239:Moel Hebog
222:Landranger
193:Moel Hebog
114:53°00′31″N
77:Moel Hebog
62:Prominence
34:Moel Hebog
273:sandstone
243:Moel Lefn
235:Snowdonia
174:Snowdonia
165:Geography
117:4°09′12″W
52:Elevation
38:Moel Lefn
461:Nuttalls
296:syncline
262:rhyolite
250:asbestos
214:Topo map
206:SH565469
170:Location
383:Gwynedd
256:Geology
200:OS grid
180:, Wales
178:Gwynedd
93:Nuttall
84:Listing
40:behind.
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142:Naming
89:Hewitt
381:This
277:mafic
159:Welsh
36:with
387:stub
330:ISBN
306:cave
97:HuMP
304:'s
224:115
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219:OS
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