Goethite with Quartz

specimen number:
2133402

location:
Dulcote, Somerset, England, UK

description:

An open pocket across the front of this quartz rich matrix is lined with crystals of quartz. Scattered throughout are small brown crystals of goethite. In great condition. The specimen comes with several previous labels, these from the collection of William Owen.

The Dulcote Quarry, located at Dulcote Hill near Wells on the Mendip Hills of Somerset, England, is a prominent disused limestone quarry noted for its commercial aggregate production and distinct mineral formations. Geologically, the site exposes a structural inlier of heavily folded and faulted Carboniferous Limestone that is unconformably overlain by younger Triassic sedimentary rocks, including a bright red Triassic conglomerate. Hydrothermal activity and mineral replacement within these strata produced extensive calcite veins alongside localized deposits of baryte, celestine, and goethite, as well as unique quartz-lined geodes colloquially known as potato stones. Commercial quarrying on Dulcote Hill began on a small scale by the mid-nineteenth century, expanding significantly in 1890 before being acquired in 1923 by the Foster Yeoman Company, which modernized operations to produce crushed macadam for road surfacing. The industrial site achieved an output of roughly 250,000 tonnes of aggregate per year and relied heavily on the Cheddar Valley railway line for transport until operations scaled down in the late twentieth century, leading to its eventual closure and redevelopment as a commercial food production facility in 2017.

William Owen (1907-1995) was a notable British natural history enthusiast and collector whose diverse maritime career heavily shaped his expansive private collections. Serving initially as a Petty Officer in the Merchant Navy from the age of seventeen, Owen eventually rose to the rank of Captain, contributing directly to Allied logistics and naval efforts during World War II. Following the war, he operated as a private merchant captain based in the Middle East, shipping commercial goods across global maritime trade routes while systematically gathering natural specimens from various international ports of call. Over several decades, his interactions with local divers, fishermen, and regional contacts allowed him to accumulate a vast array of global marine shells, corals, sponges, taxidermy, fossils, and minerals. Owen later curated and exhibited this extensive personal accumulation as a public museum display in Southampton to foster educational outreach for schools and civic groups, before transferring ownership and care of the preservation project to his family in 1988.

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