Working face
Introduction
The photograph on this page of Working face by Jonathan Wilkins as part of the Geograph project.
The Geograph project started in 2005 with the aim of publishing, organising and preserving representative images for every square kilometre of Great Britain, Ireland and the Isle of Man.
There are currently over 7.5m images from over 14,400 individuals and you can help contribute to the project by visiting https://www.geograph.org.uk
Working face
Image: © Jonathan Wilkins Taken: 25 May 2018
A view of the floor of Hillhouse Quarry, captured at the ramp onto the production area from the last blasting operation about 1 week previously. Strong, vertical jointing of the rock which is a sill of whinstone, or microgabbro (Carboniferous age) is associated with cooling from the molten state but is not sufficiently perfect to class as "columnar". Hillhouse is the type locality of one of the categories defined by MacGregor in 1928 in his classification of the Carboniferous and Permian igneous rocks from the Midland Valley. This image was captured with the permission and assistance of Hillhouse Quarry Group Ltd.
Images are licensed for reuse under creativecommons.org/licenses/by-sa/2.0
Image Location
Latitude
55.573965
Longitude
-4.615201