The Dalradian Supergroup (informally and traditionally the Dalradian) is a stratigraphic unit (a sequence of rock strata) in the lithostratigraphy of the...
13 KB (1,357 words) - 19:42, 24 June 2024
Highland Boundary Fault (section Dalradian Supergroup)
Paleozoic. The oldest Dalradian rocks (the Grampian Group) were deformed and metamorphosed around 750 Ma. The deposition of younger Dalradian sediments continued...
15 KB (1,566 words) - 10:04, 24 July 2024
slates are some of its commercial uses. Phyllite is commonly found in the Dalradian metasediments of northwest Arran. In north Cornwall, there are Tredorn...
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majority of the rocks within the Cairngorms National Park belong to the Dalradian Supergroup, a thick sequence of sands, muds and limestones that were deposited...
39 KB (3,862 words) - 22:43, 23 July 2024
geology. The majority of the rocks within the National Park belong to the Dalradian Supergroup, a thick sequence of sands, muds and limestones that were deposited...
21 KB (2,749 words) - 19:31, 12 June 2024
is thought to be unconformably overlain by the Cryogenian to Cambrian Dalradian Supergroup. The supergroup is subdivided into three groups. This group...
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metamorphism during the Caledonian orogeny. These older rocks, assigned to the Dalradian Supergroup, lie to the northwest of the northeast – southwest aligned...
7 KB (940 words) - 17:16, 9 January 2023
Complex have been interpreted as being in stratigraphic continuity with the Dalradian Supergroup, with the ophiolitic rocks (serpentinite, metagabbro, hornblende...
3 KB (324 words) - 21:35, 16 June 2024
onto the surrounding metamorphic/ igneous complexes formed during the Dalradian period (approximately 480–600 million years ago) with sporadic areas of...
169 KB (14,402 words) - 07:31, 16 August 2024
nearby are not usually included. The underlying geology of the islands is Dalradian slate, which was quarried widely until the mid-20th century. Quarry working...
26 KB (3,232 words) - 14:22, 21 July 2024