WebJan 1, 2002 · Abstract: The stratigraphical and structural continuity of the Late Proterozoic Dalradian rocks of the Scottish Highlands is re-examined in the light of new U–Pb zircon ages on the tuffs belonging to the Tayvallich Volcanic Formation (601 ± 4 Ma), and on the late Grampian ‘Newer Gabbros’ (470 ± 9 Ma) of Insch and Morven–Cabrach in … WebFeb 22, 2024 · The Tonian–Cambrian Dalradian Supergroup in Scotland is a siliciclastic–carbonate succession that can be up to 10 km thick. The consensus view is that its lower part, the mid- to late Tonian Grampian and Appin groups, formed in rift basins: the deep marine turbidites of the Grampian Group infilled rift depocentres, whereas the …

The structure of the Dalradian rocks in the SW Highlands of Scotland ...

WebDalradian rocks at Meall Mhor,and gold has also been found recently at Muness, Shetland, in a sheared pyritic Dalradian phyllite 2 – 12 m wide. Alluvial deposits The Leadhills–Wanlockheaddistrict used to be the most important centre of gold production in Scotland, but the alluvial gold operations were of secondary importance to lead-zinc ... WebThe Highland Boundary Fault is a major fault zone that traverses Scotland from Arran and Helensburgh on the west coast to Stonehaven in the east. ... The Dalradian … dalduff farm weddings

Stromatolites – Scotland – the home of geology

WebJan 1, 2013 · The first geological map of Scotland (one of the first geological maps in the world), by Louis Albert Necker de Saussure in 1808, did not differentiate the Dalradian … The Dalradian Supergroup (informally and traditionally the Dalradian) is a stratigraphic unit (a sequence of rock strata) in the lithostratigraphy of the Grampian Highlands of Scotland and in the north and west of Ireland. The diverse assemblage of rocks which constitute the supergroup extend … See more The land to the southeast of the Great Glen was the old Celtic region of Dál Riata (Dalriada), and in 1891 Archibald Geikie proposed the name Dalradian as a convenient provisional designation for the complicated set of … See more The supergroup is composed of four groups which in stratigraphic order i.e. youngest at top, are: • Southern Highland Group • Argyll Group • Appin Group See more Media related to Dalradian at Wikimedia Commons See more The Dalradian is largely of Neoproterozoic (Sturtian to Vendian) age but likely extending into the Cambrian and possibly the Ordovician with the youngest rocks being at least 470 … See more The Grampian orogeny folded the sequence in mainland Scotland into a series of major tight folds with NE-SW aligned fold axes. … See more daldorph and hill 2022