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Last updated on April 17, 2014 at 17:30 EDT

Latest Dalradian Stories

2008-09-19 03:00:23

By Tanner, Geoff Abstract: None of the major roles assigned to the Highland Boundary Fault, such as a transcurrent fault with an orogen- parallel, sinistral displacement of several hundred kilometres, or terrane boundary, are confirmed. The Highland Boundary Fault can be traced NE-SW across Scotland for >240 km and defines the northern margin of the Midland Valley. Except for small outliers of Late Palaeozoic rocks on the NW side, it separates the Highland Border Ophiolite and Dalradian...


Latest Dalradian Reference Libraries

28_b2a76c7ad7733834d7931b9a4d167359
2005-05-25 18:35:54

The schists form a group of medium-grade metamorphic rocks, chiefly notable for the preponderance of lamellar minerals such as micas, chlorite, talc, hornblende, graphite, and others. Quartz often occurs in drawn-out grains to such an extent that a particular form called quartz schist is produced. By definition, schist contains more than 50% platy and elongated minerals, often finely interleaved with quartz and feldspar. The individual mineral grains in schist, drawn out into flaky scales...

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