http://earthwise.bgs.ac.uk/index.php?action=history&feed=atom&title=File%3AP519577.jpg 2026-07-03T00:03:11Z Revision history for this page on the wiki MediaWiki 1.42.3 http://earthwise.bgs.ac.uk/index.php?title=File:P519577.jpg&diff=31742&oldid=prev 2017-07-29T14:53:18Z

<p>User created page with UploadWizard</p> <p><b>New page</b></p><div>=={{int:filedesc}}==<br /> {{Information<br /> |description={{|1=Specimen of roofing slate from building at Lochailort, Lochaber, Scotland. A full size West Highland slate used for roofing farm buildings in Lochaber around 1900, probably from the Easdale Slate belt. The slate is roughly cut and dressed and has a single nail hole at the head, typical of the Scots style. The specimen is of Precambrian, Dalradian age. British Geological Survey Petrology Collection sample number EMC 5753. The slate has a very strong lineation (or&#039;grain&#039;) running along its length. Pyrite is common on the surface, some of which shows&#039;rusty&#039;staining. Despite this the slate is in very good condition for having been on a roof in the Scottish West Highlands for approximately a hundred years. Scottish slates have not been quarried on a signiicant scale since the 1950s. High quality Scottish slates such as this can be reused, and may well last for another hundred years, or more. Specimen size: 39x26cm. P519577.}}<br /> |date=2017-07-29 15:51:14<br /> |source=British Geological Survey<br /> |author=British Geological Survey<br /> |permission=<br /> |other versions=<br /> }}<br /> <br /> =={{int:license-header}}==<br /> {{subst:Custom license marker added by UW}}<br /> {{BGS}}<br /> <br /> [[Category:Uploaded with UploadWizard]]</div>

Scotfot