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In Scotland these rocks are found predominantly in the Moray Firth basin and Orkney Archipelago, and along the southern margins of the Highland Boundary Fault. Elsewhere volcanic activity, possibly as a result of the closing of the Iapetus Suture, created the Cheviot Hills , Ochil Hills , Sidlaw Hills , parts of the Pentland Hills and Scurdie ...
The Torridon Group is a series of Tonian (lower Neoproterozoic) arenaceous and argillaceous sedimentary rocks, which occur extensively in the Northwest Highlands of Scotland. These strata are particularly well exposed in the district of upper Loch Torridon , a circumstance which suggested the name Torridon Sandstone , first applied to these ...
The Lewisian complex or Lewisian gneiss is a suite of Precambrian metamorphic rocks that outcrop in the northwestern part of Scotland, forming part of the Hebridean terrane and the North Atlantic Craton. These rocks are of Archaean and Paleoproterozoic age, ranging from 3.0–1.7 billion years .
The Port Askaig Formation, which is made up of layers of rock up to 1.1km thick, was likely laid down between 662 and 720 million years ago. Scottish and Irish rocks may be rare record of ...
Carved stone balls date as old as 5,200 years old, coming from the late Neolithic to at least the Bronze Age. [3]Nearly all have been found in north-east Scotland, the majority in Aberdeenshire, the fertile land lying to the east of the Grampian Mountains.
The Summary. The "altar stone" at the center of Stonehenge likely originated in present-day Scotland, a study found. That's more than 450 miles away, raising questions about how ...
The following is a list of rock types recognized by geologists.There is no agreed number of specific types of rock. Any unique combination of chemical composition, mineralogy, grain size, texture, or other distinguishing characteristics can describe a rock type.
Basalt columns seen on Porto Santo Island, Portugal. Columnar jointing of volcanic rocks exists in many places on Earth. Perhaps the most famous basalt lava flow in the world is the Giant's Causeway in Northern Ireland, in which the vertical joints form polygonal columns and give the impression of having been artificially constructed.