Minerals of Scotland

LEADHILLS
& WANLOCKHEAD

Introduction - Historical Background
Minerals & Collecting - Geology/ Age of Deposit
Gold Panning - Silver - Local Links

LEADHILLS
WANLOCKHEAD

Mineral Gallery Links

with photographs (on this page) of -
Cerussite - Galena - Pyromorphite - Sphalerite

LEADHILLS & WANLOCKHEAD
Photo Galleries

Galena - Sphalerite Pyrite - Calcite - Quartz - Barite

Anglesite - Cerussite

Pyromorphite - Vanadinite - Descloizite - Minium

Linarite

Caledonite - Leadhillite Lanarkite

Veszelyite - Greenockite Hemimorphite

Aurichalcite Chalcopyrite - Brochantite - Malachite

Site Photos - Quick Facts Map - Species List

SITE LINKS

Home page

Main Site
Links page

Strontian

Galloway Region
Dumfries & Kirkcudbright

Scottish Type Locality Species

LOCAL LINKS

Wanlockhead & Leadhills
accomodation & local info
For accomodation - general area information and local links.

Wanlockhead cottage to rent
Cottage to rent at Wanlockhead. Also local links.

Leadhills Reading Society
Visit the oldest subscription library in the UK for more on the history of Leadhills and for historical photographs of the area.

Lead-Mining Museum, Wanlockhead
Displays & History of mining at Leadhills & Wanlockhead. Visitor guide.

Once called "Scotland's Treasure House", Leadhills and Wanlockhead
was the most important ore deposit in Scotland and primarily exploited rich lead ores.

The deposit is also renowned for its rare, secondary lead species,
some of which were first described to science from both localities.
Mining the same ore body, they are virtually inseparable.

INTRODUCTION

Both villages lie within a valley dissecting the Lowther Hills in the Southern Uplands. At over 400 metres above sea level, Wanlockhead is the highest settlement in Scotland.

To complicate matters, Leadhills is in the county of Lanarkshire in Strathclyde Region, while neighbouring Wanlockhead is in Dumfriesshire and part of the Dumfries & Galloway Region.

The villages maintained a friendly sort of rivalry during the mining era, though both formed an integral mining community.

At the peak period of extraction, Leadhills and Wanlockhead were at the cutting-edge of science and technology - rather hard to imagine looking around the area nowadays.

The study of the new, rare species being found there in the early 19th Century helped develop the fledgling sciences of mineralogy and crystallography. Ore extraction used the latest technological innovations of the period and helped their further development.

More recently, in the last 20 years, several more new mineral species have been described for the first time from the deposit.

GALENA - Leadhills, Lanarkshire.
Intergrown crystals to over 2cms.

Occuring in massive veins, galena was the main mineral of interest to miners being the chief ore mineral of lead. Other primary minerals were also extracted (sphalerite for zinc & chalcopyrite for copper).

Well-crystallized examples of the area's minerals are much sought after by collectors.

Mining Background

Mining from the 17th century onwards and peaking in the 19th century, the area finally succumbed to market forces in the early 1950s. Despite a long period of extraction before closure, there are plenty of reserves of lead ore still buried below.

Both Leadhills and Wanlockhead mined lead ore, primarily, galena (lead sulphide). They also extracted smaller amounts of copper and zinc from chalcopyrite (copper iron sulphide) and sphalerite (zinc sulphide), which occur throughout the orebody, but are less common than galena.

During the years of exploitation, numerous mines were set up, including some well-known and important ones such as the Susanna Mine, the Glengonnar Mine and the New Glencrieff Mine...
These and others extracted the many mineralized veins that occur throughout the rocks of the area.

Following the closure of the last mine in the 1950s, there was a spell of some dereliction. Nevertheless, the small communities are now in a period of growth and development after the active mining era.

Forestry and sheep-rearing are important aspects of the present economy as is the Lead-Mining Museum.

The former miners' cottages form part of the Wanlockhead Lead-Mining Museum. Open throughout the year, visitors are able to get an insight to the area's important and valuable past. (see link, left)

CERUSSITE - Leadhills, Lanarkshire.
An important secondary-forming, lead mineral.
"Jackstraw"
habit crystals covering matrix. (spec: 43x32mms)

SPHALERITE - New Glencrieff Mine, Wanlockhead.
The main ore of zinc, occuring in the above example as intergrown crystal groups with minor quartz (spec:150x100mms).

Minerals & Collecting

Many of the best specimens the mines are famous for, were unearthed during the peak exploitation period of the 19th century.

These are now difficult to obtain and, more often than not, reside in museum collections - not only in the UK but throughout the world.

These examples include the main ore species of lead and their associated gangue minerals, in addition to the secondary and type locality minerals derived from these primary ore species.

The scarcity of the latter group is mainly a result of the upper oxidized zones not having been mined for over 130 years.

Furthermore, dump material from this area was then extensively dug over by the miners in the 1920s.

One important find was at Wanlockhead, by a group of collectors in the late 1980s, of the rare, secondary copper-zinc species, veszelyite, which had hitherto never been found at either locality or in Great Britain.

Collecting continues in the district (permission is necessary). However, finds are small and limited.

PYROMORPHITE
Straitsteps Mine, Wanlockhead.
Orange ball-like crystals 3mms. of this secondary-forming lead mineral species.

Pyromorphite occurs commonly throughout the Leadhills & Wanlockhead mining area in a wide variety of forms and colours. Indeed, the area has produced some fine and interesting examples of this mineral species.

STRAITSTEPS MINE
Wanlockhead.
Mine shaft entrance and water-pump.

The Museum at Wanlockhead has mining artifacts on exhibit and tours available, gold-panning lessons and expeditions. Apart from the attraction of collecting,
the area is well worth a visit!

Over seventy mineral species have been recorded from the mines. The area is also the type locality for caledonite, chenite, lanarkite, leadhillite, macphersonite, mattheddleite, plattnerite, scotlandite and susannite.

All of these minerals are secondary lead species, are very rare and tend to occur as very small crystals.

(For a full list of the species recorded at the deposit,
see links above)
.

MINERALIZATION & AGE

Mineralization occurs in Ordovician sediments. Faults structurally control, to a large degree, the mineralized veins which tend to decrease in ore grade to the north-west. These veins were mined to depths of over 425 metres (1,300 feet).

The age of mineralization was originally ascribed to
two periods - an early quartz vein mineral phase of Carboniferous age and a later metallic one of lead and zinc of Hercynian age.

However, more recent studies with age-dating techniques, indicate all the mineralization took place within the Carboniferous era, around 350 million years ago
(Pattrick & Polkya).

The deposit underwent a secondary enrichment at a later stage, producing many of the rare species for which both localities are renowned.

GOLD & SILVER

The surrounding hills in the early days of mining yielded gold of considerable value. In fact, gold was the initial reason for mining in the area. As the supply of gold dwindled, the localities turned their attentions to extracting the rich lead ores beneath them.

The source of the gold has not been precisely determined, but it occurs in small veins in the surrounding hills.

Gold from the deposit was used to make the Scottish crown in the early, gold extraction period and, more recently, in 1999, was used in the mace for the new Scottish Parliament.

Panning for gold is a popular activity of the Lead-Mining Museum and gold-panning contests often take place here.

Silver was also extracted from the primary lead ore, galena, at Wanlockhead during the lead-mining period.

References & Further Reading

Mineralogical Record
vol. 12, no 4, pp 235-250. "Famous Mining Localities - The Leadhills-Wanlockhead District, Scotland." R.J. Gillanders. (1981)

UK Journal of Mines & Minerals
vol. 2, pp 3-8. "Minerals of Meadowfoot Smelter, Wanlockhead". D.I. Green. (1987).
vol. 8, pp 6-7. "Veszelyite. A mineral new to Britain, from Wanlockhead, Scotland." D.I. Green. (1990).
vol 21, pp 9-27. "Twenty Years in Minerals: Scotland". (D.I.Green/ J.G. Todd) (2001).

© Minerals of Scotland - 2008.