Heights Quarry

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Westgate, Stanhope, County Durham, England, UK

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Key Information

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  • Heights Quarry is in Westgate, Stanhope, County Durham, England, UK, within the North Pennines, known for scenic beauty and mineral richness.

  • It produces minerals like fluorite (notably emerald-green), galena, and sphalerite, with fluorite being highly sought after by collectors.

  • The geological structure involves the Great Limestone, part of the Carboniferous Yoredale Group, with minerals in hydrothermal veins.

  • Mining history includes lead and fluorspar extraction, active from the 19th century to the late 1970s, with the quarry still operating for aggregate until 2042.

  • Local culture features a strong Methodist heritage, with historical sites like Westgate Primitive Methodist Chapel.

  • The area has a temperate maritime climate, supporting diverse ecosystems like heathland and moorland.

Geographic Location

Heights Quarry is located in Westgate, part of Stanhope in County Durham, England, UK, nestled in the northeast of England within the North Pennines, an Area of Outstanding Natural Beauty. This region is characterized by rolling hills, moorlands, and the River Wear, offering a picturesque setting for mineral enthusiasts. Nearby, Eastgate and St John's Chapel host other notable mineral localities like Eastgate Quarry and West Rigg Quarry, making the area a hotspot for collectors.

Minerals Produced

The quarry is renowned for a variety of minerals, including sphalerite, galena, pyrite, fluorite, goethite, quartz, calcite, siderite, ankerite, aragonite, and limonite. Fluorite, especially its emerald-green variety, is particularly notable, attracting collectors worldwide due to its vibrant color and crystal forms. Galena, the ore of lead, and sphalerite, the ore of zinc, highlight the quarry's historical and economic significance.

Geological Structure

The Great Limestone, part of the Carboniferous Yoredale Group, forms the geological backbone of Heights Quarry. This group consists of alternating layers of limestone, shale, and sandstone, with minerals found in hydrothermal veins. These veins, formed by mineral-rich fluids filling fractures in the limestone, are typical of the North Pennines, known for lead, zinc, and fluorspar deposits.

Mining History

The area has a long history of lead mining, dating back to Roman times, with Heights Mine, on whose site the quarry is developed, active from the 19th century. Operated by companies like the Weardale Lead Company (formed in 1883), it extracted lead and later fluorspar until the late 1970s, when it was sealed for safety. The quarry, operated by Aggregate Industries UK Ltd, continues to work the Great Limestone for aggregate, with extraction planned until 2042, occasionally yielding specimens for collectors.

Local Culture and Characteristics

Westgate, with a population of about 298 in 2001, has a rich cultural heritage, particularly in Primitive Methodism, marked by the Westgate Primitive Methodist Chapel (built 1871). Historical sites like Westgate Castle, a 14th-century peel tower, reflect its past as a hunting lodge for the Bishops of Durham. The community's mining history has fostered a close-knit society deeply connected to the land.

Climate and Ecology

County Durham enjoys a temperate maritime climate, with cool summers, mild winters, and significant rainfall, supporting diverse ecosystems like heathland, moorland, and woodland. The North Pennines host species such as heather and bilberry, with the quarry potentially providing unique habitats, though specific ecological studies are needed.

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