{{Infobox mine|name=Mines of Gorno|image=[[File:Museo miniere Gorno – ingresso miniera.jpg|thumb|”Serpenti” entrance to the mines]]|caption=|location=|place=Gorno, Province of Bergamo, Lombardy|state/province=|country=Italy|pushpin_map=Italy|pushpin_label=Gorno|coordinates={{coord|45|52|12|N|9|49|42|E|region:Bergamo|format=dms|display=inline,title}}|pushpin_map_caption=Location of the mines in Italy|products=Zinc, Lead, Silver|type=Underground mine|discovery year=Roman period (early workings)|opening year=c. 1850 (industrial exploitation)|closing year=1982|official website=https://www.ecomuseominieredigorno.it/ Ecomuseo Miniere di Gorno}}”’The mines of Gorno”’ are a historical mining district located in [[Gorno]] in the [[Lombardy]] region of Northern [[Italy]], primarily known for [[zinc]] and [[lead]] extraction. The site has played a significant role in the region’s industrial development, particularly in the 19th and 20th centuries. Following a decline in profitability and changes in Italy’s mining policy, the mines ceased operations in 1982. The area has since become the focus of heritage preservation through the [[:it:Gorno|Ecomuseum of the Mines of Gorno]] <ref name=”:1″ />and is currently under consideration for redevelopment through the modern Gorno Project<ref name=”:5″ /> .
{{Infobox mine|name=Mines of Gorno|image=[[File:Museo miniere Gorno – ingresso miniera.jpg|thumb|”Serpenti” entrance to the mines]]|caption=|location=|place=Gorno, Province of Bergamo, Lombardy|state/province=|country=Italy|pushpin_map=Italy|pushpin_label=Gorno|coordinates={{coord|45|52|12|N|9|49|42|E|region:Bergamo|format=dms|display=inline,title}}|pushpin_map_caption=Location of the mines in Italy|products=Zinc, Lead, Silver|type=Underground mine|discovery year=Roman period (early workings)|opening year=c. 1850 (industrial exploitation)|closing year=1982|official website=https://www.ecomuseominieredigorno.it/ Ecomuseo Miniere di Gorno}}”’The mines of Gorno”’ are a historical mining district located in [[Gorno]] in the [[Lombardy]] region of Northern [[Italy]], primarily known for [[zinc]] and [[lead]] extraction. The site has played a significant role in the region’s industrial development, particularly in the 19th and 20th centuries. Following a decline in profitability and changes in Italy’s mining policy, the mines ceased operations in 1982. The area has since become the focus of heritage preservation through the [[:it:Gorno|Ecomuseum of the Mines of Gorno]] <ref name=”:1″ />and is currently under consideration for redevelopment through the modern Gorno Project<ref name=”:5″ /> .
== .History ==
== History ==
Around 30 AD, the mines were already known and used. The first documentation of calamite extraction by [[Roman Empire|Romans]] came from that period. The Romans manufactured [[brass]] (auricalcum) by combining [[copper]] and [[Calamine (mineral)|calamine]] in special heat conditions.<ref name=”:0″>{{Cite web |date=2023-08-28 |title=Le miniere di Gorno (cenni storici) |url=https://www.valdelriso.it/site/archives/cultura-e-tradizioni/le-miniere-di-gorrno-cenni-storici |access-date=2025-10-03 |website=Valdelriso.it |language=it-IT}}</ref>
Around 30 AD, the mines were already known and used. The first documentation of calamite extraction by [[Roman Empire|Romans]] came from that period. The Romans manufactured [[brass]] (auricalcum) by combining [[copper]] and [[Calamine (mineral)|calamine]] in special heat conditions.<ref name=”:0″>{{Cite web |date=2023-08-28 |title=Le miniere di Gorno (cenni storici) |url=https://www.valdelriso.it/site/archives/cultura-e-tradizioni/le-miniere-di-gorrno-cenni-storici |access-date=2025-10-03 |website=Valdelriso.it |language=it-IT}}</ref>
[[File:Gorno-map.jpg|thumb|Map of the province of Bergamo (Gorno is underlined in white) from the Vatican museum dated 1580.]]
[[File:Gorno-map.jpg|thumb|Map of the province of Bergamo (Gorno is underlined in white) from the Vatican museum dated 1580.]]
Participants then enter the underground side of Costa Jels via the “Serpenti” portal, traverse approximately 500 metres of tunnel at a constant temperature around 10 °C, and exit through the “Lacca Bassa” shaft. Interactive stations along the route include a special installation for children aged up to 8 years, known locally as the “Galecc” mine, with wooden wagons and tracks designed for young visitors.<ref name=”:9″ />
Participants then enter the underground side of Costa Jels via the “Serpenti” portal, traverse approximately 500 metres of tunnel at a constant temperature around 10 °C, and exit through the “Lacca Bassa” shaft. Interactive stations along the route include a special installation for children aged up to 8 years, known locally as the “Galecc” mine, with wooden wagons and tracks designed for young visitors.<ref name=”:9″ />
For safety and comfort, visitors are advised to wear warm clothing and trekking shoes due to the mine’s constant humidity and low temperature. Tour groups typically depart from Piazzale Bersaglieri in Gorno at 15:00 on scheduled days, with advance booking required for groups and schools.<ref name=”:9″ />
For safety and comfort, visitors are advised to wear warm clothing and trekking shoes due to the mine’s constant humidity and low temperature. Tour groups typically depart from Piazzale Bersaglieri in Gorno at 15:00 on scheduled days, with advance booking required for groups and schools.<ref name=”:9″ />
orers. Other features of the site include artifacts, photographs and period films related to Gorno’s mining history.<ref name=”:9″ />
On the way back to the starting point, visitors can enjoy a panoramic trail through the woods, where several monuments can be seen, including the small Church of Holy Trinity, the “Carpela” fountain, the “Valle Crappi” fountain, and the Casa Conti shrine.<ref>{{Cite web |title=IL TERRITORIO DELL’ECOMUSEO DELLE MINIERE DI GORNO IN UN UNICO ITINERARIO |url=https://www.ecomuseominieredigorno.it/wp-content/themes/ecomuseo/itinerario.pdf |website=Ecomuseo Miniere di Gorno |language=italian}}</ref>
On the way back to the starting point, visitors can enjoy a panoramic trail through the woods, where several monuments can be seen, including the small Church of Holy Trinity, the “Carpela” fountain, the “Valle Crappi” fountain, and the Casa Conti shrine.<ref>{{Cite web |title=IL TERRITORIO DELL’ECOMUSEO DELLE MINIERE DI GORNO IN UN UNICO ITINERARIO |url=https://www.ecomuseominieredigorno.it/wp-content/themes/ecomuseo/itinerario.pdf |website=Ecomuseo Miniere di Gorno |language=italian}}</ref>
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The mines of Gorno are a historical mining district located in Gorno in the Lombardy region of Northern Italy, primarily known for zinc and lead extraction. The site has played a significant role in the region’s industrial development, particularly in the 19th and 20th centuries. Following a decline in profitability and changes in Italy’s mining policy, the mines ceased operations in 1982. The area has since become the focus of heritage preservation through the Ecomuseum of the Mines of Gorno [1]and is currently under consideration for redevelopment through the modern Gorno Project[2] .
History
Around 30 AD, the mines were already known and used. The first documentation of calamite extraction by Romans came from that period. The Romans manufactured brass (auricalcum) by combining copper and calamine in special heat conditions.[3]
Regarding the period after the decline of the Roman Empire and before the Middle Ages, there is a lack of specific information about the use of the mines. Starting in 1482, with the decree of the Venetian Republic, the mines were reopened.[1] The Pisani and Venetians were interested in these deposits to extract the silver from galena. This practice was quickly shelved due to the meager results achieved.[3]
There is evidence that the mines were visited by Leonardo Da Vinci in his capacity as a government engineer sometime between 1506 and 1507.[1][4]
In the middle of the 19th century the extraction of calamine officially started, with maximum extraction occurring in the period after 1870. The progress of the mining was limited by transportation, which was expensive and inefficient at that time. In 1885 the railway between Bergamo and Ponte – Selva was finished, reducing the cost of ore transportation.[3]
During World War II, the mines were taken over by Italian firms. After the war, in 1945-46, the mines were shut down due to’ technical and financial issues.[3]
In 1952, the largest electrolytic zinc plant in Europe was opened and produced between 15,000 and 35,000 tons of zinc annually.[3]
The mines remained open intermittently until 1982, when they were officially closed.[1]
Geology
The geological formations exposed in the area mainly consist of Lower Triassic to Carnian carbonate successions. These include the Angolo Limestone, Prezzo Limestone, Esino Limestone, Calcare Rosso, Breno Formation, Calcare Metallifero Bergamasco (CMB) Formation, and the Gorno Formation, followed by the San Giovanni Bianco and Dolomia Principale formations.
The mineral deposits are hosted primarily within the Calcare Metallifero Bergamasco Formation and, locally, in the underlying Breno Formation. The CMB Formation is composed of dark, well-stratified limestones with marly interbeds, overlain by bituminous shales known as the “Basal Tongue” of the Gorno Formation.[5]
The ore bodies of Gorno extend between the Seriana and Brembana valleys over an area of roughly 30 km east-west and 20 km north-south. The main mineralized zones are located in Val Vedra, Val Parina, Mount Arera, and Val Riso, Mount Trevasco. Zinc-lead mineralizations occur as stratiform bodies near the contact between the CMB and the basal shales of the Gorno Formation, as well as in discordant bodies within the Breno limestones.
Structurally, the deposits are affected by several faults, including the Pian Bracca thrust, the Pezzel fault, and the Vedra fault, which define and offset the orebodies. The main ore zones, such as Zorzone, Val Vedra, and Fontanone orebodies, are interpreted as belonging to the same mineralized system displaced by these fault structures.[5]
The mineralization consists of zinc and lead sulfides, mainly sphalerite, galena, and minor pyrite and chalcopyrite, formed within Triassic limestones and shales. These are accompanied by carbonate gangue minerals such as calcite and dolomite. The sulfide ores were later oxidized to nonsulfide minerals, chiefly smithsonite, hydrozincite, hemimorphite, and cerussite, often replacing the primary sulfides.
The Gorno deposit is classified as an “Alpine-type” carbonate-hosted zinc-lead deposit, comparable to others found along the Alpine chain such as Raibl, Salafossa, and Bleiberg. The sulfide mineralization likely formed from hydrothermal fluids circulating through Mesozoic faults during the Early to Middle Jurassic, before the Alpine orogeny. The later nonsulfide ores developed during supergene alteration between the Miocene and Pliocene, associated with the exhumation of the Orobic Alps and a warmer paleoclimate.[5]
Production and operators
Modern underground operations at Gorno were administered by the Italian state hydrocarbon authority (ENI) from 1888 until the 1982 closure. Over that period, reported cumulative output amounted to about 6 million tonnes of ore at an average combined grade of 14.5% zinc plus lead, producing high-grade zinc sulphide concentrates (approximately 55–60% Zn).[6]
Workers
The miners
Miners were mostly strong men. The profession was mostly inherited from elders. Miners spent all day in the mine with a pickaxes and sledgehammers. Underground, they used torches and lanterns as a source of light.[7]
Miners wore clothes suitable for work in mine with a helmet and acetylene lamp. Dressed like this, they could enter the mine. Miners tried to make the mines safe by clearing the ceiling of loose stones. They also prepared places for explosives and ignited them. After the detonation, they loaded the carts that led out of the mines.[8]
The taissine
The taissine, whose name derives from the technical verb “taissare” (partition or disjoin), were women who worked on the surface and were responsible for sorting minerals from dirt and other impurities. They needed physical strength both for using a special hammer and for transporting the materials.[9] Boys under ten often assisted them with sorting.[7]
The galecc
The galecc were young boys or teenagers who worked in the mines. They could assist the taissine or help the miners underground. Before carts were introduced to bring minerals to the surface, the galecc carried the baskets themselves.[8]
The Ecomuseum
Creation of the Ecomuseum
After the closure of the mines in the early 1980s, local authorities and former miners promoted the transformation of the mining district into a cultural and educational site. This process led to the foundation of the Ecomuseum of the Mines of Gorno, which preserves the region’s mining legacy through the conservation of original tools, documents, and underground galleries such as Costa Jels.[10]
In 2009, the site was officially recognized by the Lombardy Region as an ecomuseum territory, acknowledging its cultural and environmental importance within the broader Alpine mining landscape. The remains of aerial ropeways, rail tracks, and ore chutes that once served the Costa Jels mine are still visible in 2025, linking the museum’s exhibits to the original industrial landscape. The initiative forms part of a regional network of ecomuseums created to safeguard Lombardy’s industrial and mountain heritage.[11]
Purpose of the Ecomuseum
The Ecomuseum of the Mines of Gorno was created to document and interpret the historical relationship between the local community and its mining heritage, while also emphasizing the close interaction between human activity and the Alpine environment. The institution promotes research, preservation and educational initiatives aimed at safeguarding the cultural and environmental landscape of the upper Seriana Valley.[12]
Since its official recognition as an ecomuseum territory by the Lombardy Region in 2009, it has become part of a wider network dedicated to protecting industrial and mountain heritage across the Alps. Educational programs, workshops and thematic trails connect mining traditions with pastoral life, illustrating how work, landscape and spirituality coexisted in the historical community framework.[11]
Through exhibitions and collaborations with local schools and cultural associations, the Ecomuseum contributes to preserving both the tangible and intangible heritage of Val del Riso, encouraging younger generations to rediscover the values, skills and spiritual traditions linked to mining life.[11]
Location and access
The Gorno mining district lies in the upper Val del Riso, a lateral branch of the Seriana Valley in the Bergamo Alps, within the Province of Bergamo in Lombardy. The mines extend across several hamlets, including Costa Jels, Campello and Riso, at altitudes ranging between 700 and 1,200 metres. The surrounding mountain landscape still preserves traces of industrial activity, such as ventilation shafts, stone walls, and mule tracks once used by miners.[11]
The area can be reached from Bergamo via Val Seriana through the road SP46, passing the towns of Clusone and Ponte Nossa. Today, visitors can access the ecomuseum through marked hiking trails and guided routes organised by the Ecomuseum of the Mines of Gorno, which include underground tours of the restored Costa Jels galleries and open-air educational paths through forests and alpine meadows.[13]
Interpretive panels and signposted routes connect the ecomuseum with nearby villages, making it part of a broader network of cultural itineraries that highlight the relationship between mining activity and the rural traditions of the Orobic Alps.[11]
Gorno Project
Since 2021, interest has arisen in redeveloping parts of the former mining district under the name Gorno Project.
The aim is to leverage the existing underground infrastructure and known mineralization to restart mining operations. The site includes more than 20 km of useful primary underground development already in place, which can facilitate exploration and eventual extraction.[14]
The Energia Minerals Italia (EMI) company conducted an exploration in September 2021 that successfully identified a new exploration target. According to the latest geological data, a quantity ranging between 17.4 and 22.0 million tonnes of raw ore is estimated. The composition is primarily zinc (8.5% – 10.4%), lead (1.9% – 2.4%), and silver (19 g/t – 23 g/t). Consequently, this report indicates that the potential scale and tonnage of the project are significantly higher than the estimates made in July 2021.[15]
The company interested in this project is Altamin, which formed a joint venture with the Capital Advisory Plan fund to create Vedra Metals. Altamin has recently expressed interest in research permits across Lazio, Liguria, Emilia-Romagna, and Piemonte.[2]
The guided tour
Visits to the Ecomuseum of the Mines of Gorno include a combined museum-and-site experience, featuring both the indoor exhibition space and the underground galleries at the former mine of Costa Jels. According to the museum’s own schedule, guided tours take approximately three hours and begin with a presentation on the mining heritage and local emigration, followed by a film screening and exploration of original mining equipment and the chemical laboratory used for ore processing.[13]
Participants then enter the underground side of Costa Jels via the “Serpenti” portal, traverse approximately 500 metres of tunnel at a constant temperature around 10 °C, and exit through the “Lacca Bassa” shaft. Interactive stations along the route include a special installation for children aged up to 8 years, known locally as the “Galecc” mine, with wooden wagons and tracks designed for young visitors.[13]
For safety and comfort, visitors are advised to wear warm clothing and trekking shoes due to the mine’s constant humidity and low temperature. Tour groups typically depart from Piazzale Bersaglieri in Gorno at 15:00 on scheduled days, with advance booking required for groups and schools.[13] Other features of the site include artifacts, photographs and period films related to Gorno’s mining history.[13]
On the way back to the starting point, visitors can enjoy a panoramic trail through the woods, where several monuments can be seen, including the small Church of Holy Trinity, the “Carpela” fountain, the “Valle Crappi” fountain, and the Casa Conti shrine.[16]
Educational programs
The Ecomuseum of the Mines of Gorno offers structured educational activities aimed at schools and student groups of all levels, from early education to university. Programs focus on mining history, local geology, and the relationship between industrial and rural culture in the upper Seriana Valley. Visits begin in the museum’s exhibition area and continue with a guided underground tour at the former mine of Costa Jels, supported by practical workshops and age-appropriate interactive installations.[17][18]
The Ecomuseum collaborates with schools and educational institutions in the Bergamo area, offering thematic visits and hands-on workshops that allow students to explore local mining history and its environmental impact.[19]
Additional educational initiatives include thematic tours and family-friendly workshops that combine historical interpretation with hands-on activities, designed to encourage intergenerational learning about the mining district’s environmental and cultural heritage.[20]
Places of interest
Church of San Rocco
In the 16th century, a small chapel dedicated to San Rocco was established. A century later, the chapel was transformed into a small church. Inside the church is a 95 cm wooden statue of San Rocco. The church underwent major restoration works in the 20th century: the roof was completely rebuilt, and interior renovations were carried out to enhance its appearance.[21]
Laveria di Riso
The “Laveria di Riso” was an industrial facility where minerals extracted from mines, such as Costa Jels or the Riso Gallery, were processed. The plant’s primary function was to increase the concentration of zinc and lead before smelting. It was opened in 1915 by the English company Crown Spelter, before its operations were transferred to companies like Vieille Montagne and subsequently AMMI-SAPEZ. It remained active until the closure of the mines in 1982 and currently it is abandoned. [22]
Campello di Gorno
Campello di Gorno was a village built between the 1930s and 1940s to house miners and their families. It included residential buildings, administrative offices, a school, and a church – all constructed in the rationalist architectural style typical of that period.[23][24]
Gallery
See also
Category:Museums in Lombardy
Category:Mining museums in Italy
References
- ^ a b c d “In viaggio tra miniere e e alpeggi”. Ecomuseo Miniere di gorno (in Italian). Retrieved 2025-10-04.
- ^ a b Dagani, Simone; Gianfranceschi, Novella; Goldin, Lucrezia. “IL RITORNO DELLA MINIERA”. LaSestina (in Italian). Retrieved 2025-10-08.
- ^ a b c d e “Le miniere di Gorno (cenni storici)”. Valdelriso.it (in Italian). 2023-08-28. Retrieved 2025-10-03.
- ^ Belloli, Nicolò Tommaso (2012-06-04). “Il monte Arera disegnato da Da Vinci in Valle Brembana”. BergamoNews (in Italian). Retrieved 2025-10-13.
- ^ a b c Mondillo, Nicola; Lupone, Federica; Boni, Maria; Joachimski, Michael; Balassone, Giuseppina; De Angelis, Marcello; Zanin, Simone; Granitzio, Fabio (2019). “From Alpine-type sulfides to nonsulfides in the Gorno Zn project (Bergamo, Italy)”. Mineralium Deposita. 54 (8): 1155–1184. doi:10.1007/s00126-019-00912-5.
- ^ Mullins, Matt (January 2023). “Zinc-Lead Exploration and Mining in the Bergamesque Area of Northern Italy” (PDF). Snowden Optiro. Retrieved 14 October 2025.
- ^ a b “I minatori, le taissine e i galecc – Ecomuseo Miniere di gorno In viaggio tra miniere e alpeggi”. Ecomuseo Miniere di gorno (in Italian). Retrieved 2025-10-08.
- ^ a b “Il viaggio del minerale « Taissine” (in Italian). Retrieved 2025-10-09.
- ^ “Le Taissine « Taissine” (in Italian). Retrieved 2025-10-16.
- ^ “Il museo delle miniere di Gorno”. Ecomuseo Miniere di Gorno (in Italian). Retrieved 7 October 2025.
- ^ a b c d e “Ecomuseo delle miniere di Gorno – Il viaggio dello zinco tra alpeggi e miniere”. In-Lombardia (in Italian). Retrieved 14 October 2025.
- ^ “L’ecomuseo – Ecomuseo Miniere di gorno In viaggio tra miniere e alpeggi”. Ecomuseo Miniere di gorno (in Italian). Retrieved 2025-10-08.
- ^ a b c d e “Visite guidate – Ecomuseo Miniere di Gorno”. Ecomuseo Miniere di Gorno (in Italian). Retrieved 14 October 2025.
- ^ “Gorno”. Altamin. Retrieved 2025-10-08.
- ^ “Progetto di rinnovo concessione mineraria “Monica” per zinco, piombo e associati (Bg). – Documentazione – Valutazioni e Autorizzazioni Ambientali – VAS – VIA – AIA”. Ministero dell’Ambiente e della Sicurezza Energetica. Retrieved 2025-10-08.
- ^ “IL TERRITORIO DELL’ECOMUSEO DELLE MINIERE DI GORNO IN UN UNICO ITINERARIO” (PDF). Ecomuseo Miniere di Gorno (in Italian).
- ^ “Proposta didattica – Ecomuseo delle Miniere di Gorno”. ValSeriana (in Italian). Retrieved 14 October 2025.
- ^ “Museo delle Miniere di Gorno”. Visit Bergamo. Retrieved 14 October 2025.
- ^ “Gita alle Miniere di Gorno: imparare a conoscere la nostra storia”. Scuola Sacra Famiglia Bergamo (in Italian). Retrieved 14 October 2025.
- ^ “Museo delle Miniere di Gorno”. Visit Bergamo. Retrieved 14 October 2025.
- ^ Baccanelli, Amerigo (2023-05-16). “San Rocco”. Valdelriso.it (in Italian). Retrieved 2025-10-30.
- ^ “EX LAVERIA VALLE DEL RISO”. DGABAP – Beni culturali abbandonati (in Italian). Retrieved 2025-11-02.
- ^ “Villaggio minerario di Campello (Gorno)”. Valdelriso.it (in Italian). 2023-08-28. Retrieved 2025-11-03.
- ^ “Miniere di Gorno * | ArchiVista”. lombardiarchivi.servizirl.it. Retrieved 2025-11-03.
