NS3678 : Old sandstone quarry

taken 7 years ago, near to Cardross, Argyll And Bute, Great Britain

This is 1 of 4 images, with title Old sandstone quarry in this square
Old sandstone quarry
Old sandstone quarry
This is the quarry referred to at the WoSAS link given in the first end-note. Click on that end-note title for closer views. Those other pictures were, like the present one, taken in the early evening, so that the rock face would be illuminated by the sun.

(The WoSAS page calls this "Wallacetown Glen Quarry", but it is worth adding here that this should not be taken to be the historic name of the quarry. Instead, it simply reflects the practice that when a new archaeological find is reported, it is associated with the nearest place-name appearing on the OS map.)

For another view of the long quarry face, see NS3678 : Old sandstone quarry: detail; for the tool marks that are mentioned at the WoSAS link, see NS3678 : Old sandstone quarry: detail.

In the satellite map linked from the second end-note, this site is indicated by a reddish marker pin, labelled "Red sandstone quarry 2". See LinkExternal link for a zoomed-in view that is centred on that marker. As that map shows, this is just one of several pits and outcrops on a line that heads WSW-ENE through this point; the former Fairy Knowe Quarry is a prominent feature at the ENE end of that line.
Old sandstone quarry

An old quarry (red sandstone) is located above the south-eastern side of Cardross Road. See LinkExternal link (at WoSAS) for details.

Carman Muir: outcrops and old quarry pits :: NS3778

See Link (in a Geograph article) for further information, and LinkExternal link for an annotated satellite view on which various features of geological interest (as well as traces of associated industries and other antiquities) are marked, as described below.

The topography of the parts of Carman Muir to the south of Cardross Road is determined to a large extent by cornstone deposits, which outcrop in places. Cornstone is an impure granular limestone, a fossil soil. Old quarry pits (probably worked before the nineteenth century) and possible test pits can be seen along the lines of these deposits; they are indicated by light blue marker pins on the annotated satellite view, and the cornstone outcrops are marked by orange pins.

This area, lying to the south of Cardross Road, exemplifies what the British Geological Survey refers to as the Kinnesswood Formation (see LinkExternal link at the BGS website for more information); this formation contains cornstone deposits.

Beside and to the north of Cardross Road are outcrops of sandstone rather than cornstone. The sandstone is best seen along a line of outcrops and pits beside the road (these are indicated by reddish marker pins on the annotated satellite view). Another prominent example lies at the ENE end of that line: a large disused red sandstone quarry, the old Fairy Knowe Quarry (later known as Carman Quarry) LinkExternal link at NS36967900. This area beside and to the north of the road exemplifies the Stockiemuir Sandstone Formation (see LinkExternal link at the BGS website for further details).

Both north and south of the road, the strata in this area generally dip at an angle of from 10 to 20 from the horizontal, descending towards the SSE; the Stockiemuir Sandstone Formation that is exposed beside and to the north of the road underlies the cornstone-containing Kinnesswood Formation to the south of the road.

The annotated satellite view also includes markers for various antiquities in the area:

● Ancient cairns: LinkExternal link
● Circular enclosure: LinkExternal link (originally reported as a hut circle)
● Carman (house): LinkExternal link
● Carman (enclosure): LinkExternal link
● Carman (field system): LinkExternal link

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NS3678, 137 images   (more nearby search)
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Date Taken
Sunday, 22 March, 2015   (more nearby)
Tuesday, 21 April, 2015
Geographical Context
Quarrying, Mining  Derelict, Disused 
Primary Subject of Photo
Subject Location
OSGB36: geotagged! NS 3639 7855 [10m precision]
WGS84: 55:58.3189N 4:37.3952W
Camera Location
OSGB36: geotagged! NS 3639 7854
View Direction
North-northeast (about 22 degrees)
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Image classification(about): Geograph
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