{"id":6273,"date":"2022-02-23T10:45:47","date_gmt":"2022-02-23T09:45:47","guid":{"rendered":"https:\/\/www.visitdossena.it\/cosa-fare-e-vedere\/la-storia-delle-miniere-di-dossena\/"},"modified":"2026-01-30T16:17:45","modified_gmt":"2026-01-30T15:17:45","slug":"the-history-of-the-dossena-mines-brembana-valley","status":"publish","type":"avada_portfolio","link":"https:\/\/www.visitdossena.it\/en\/what-to-do-and-see\/the-history-of-the-dossena-mines-brembana-valley\/","title":{"rendered":"The History of the Dossena mines"},"content":{"rendered":"

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The origins<\/div><\/div>

Before the Middle Ages<\/h4><\/div>

The Dossena mines were first mentioned by the Latin historian and naturalist Pliny the Elder in his work Naturalis Historia (Book XXXIV): ‘The vein of metal is quarried in this way and purified with fire. It is also produced from a mineral containing copper, called cadmium, known in the lands beyond the Mediterranean Sea and once in Campania, now also in the territory of the people of Bergamo, the extreme area of Italy’. The word cadmium indicates calamine, a mineral extracted precisely in the ancient Roman-era mines on Mount Vaccareggio.<\/p>\n<\/div>

Evidence of these origins are the findings of tools dating back to that time. The mining techniques were still very primitive; excavations were done manually with heavy pickaxes and the material was transported outside in rudimentary carts. The manpower of the time was the exploitation of slaves, probably early Christians; the origin of the archpresbyterian church of Dossena is also assumed from this. With the rise of the Roman Empire, the mines were also abandoned, only to be reactivated in the Middle Ages.<\/p>\n<\/div><\/div><\/div>

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UNTIL THE EARLY 1900s<\/div><\/div>

From Leonardo da Vinci to the First World War<\/h4><\/div>

As the years passed, extraction techniques evolved up to the present day, where mines and compressed air drills were used, while transport was by small trains driven by diesel locomotives (very harmful to the workers’ health).<\/p>\n

Between the 15th and 18th centuries, during the control of the Venetian Republic, mining was re-established from some ancient deposits that were still active, and the search for other veins was also initiated. Some studies by Leonardo da Vinci date back to the early 1500s, precisely on some particular techniques used in the mines of Dossena, as well as mapping of the area; in fact, there are two of his drawings of maps regarding Dossena and the Val del riso, preserved in London, in the Windsor Royal Library.<\/p>\n<\/div>

Lo sfruttamento industriale delle miniere comincio cominci\u00f2 nel 1801 a Gorno, soprattutto per materiali ferrosi. Nella seconda met\u00e0 dell\u2019ottocento si avviano le ricerche minerarie in val Parina e val del Riso. Dal 1869 al 1909 avviene una forte estrazione di calamina con conseguente produzione di zinco. L\u2019estrazione della fluorite fu iniziata dalla Societ\u00e0 Austro-Belga durante la prima guerra mondiale. In seguito subentr\u00f2 la Societ\u00e0 Anonima Mineraria Prealpina che concentr\u00f2 i lavori nella zona del Livello Sandri.<\/p>\n<\/div><\/div><\/div>

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From 1929 to 1981<\/div><\/div>

A large extraction of fluorite<\/h4><\/div>

From 1929 to 1981 there was a large extraction of fluorite: a mineral widely used in metallurgy as a flux (from the Latin fluere <\/em>meaning \u201cto melt\u201d); for the production of hydrofluoric acid, a very corrosive acid for glass processing and rustproofing; for the production of fluorine, through the electrolysis of hydrofluoric acid; as an addition to detergents to make clothes shine (especially white clothes) and to tackle the chromatic aberration in camera lenses.<\/p>\n

During the 1930s, extraction moved further north to the site known as Lente Martelli, 800 metres long, 70 metres high and 40 metres wide. The extracted material was sent to the washery by cableways, where the useful material was sorted from the embedded rock; much of the mineral was sorted by the taissine<\/em>, women who crushed the stone by hand, separating the mineral from the rock.<\/p>\n

After World War II, mining developed almost exclusively in the Lente Martelli, even though the material was beginning to run out, so much so that, following the emptying of some of the columns containing large pockets of fluorite, numerous internal collapses occurred.<\/p>\n<\/div>

Over the centuries, the sorting of useful ore from waste rock was always done manually or with rudimentary tools; this laborious system of sorting continued to be practised even after industrialisation. So, in 1954, the Laveria del Brembo <\/em>was installed in the locality of Portiera, a district of Camerata Cornello, a crushing system with a crusher, at a time when the mines had 157 employees.<\/p>\n

In 1956, the Societ\u00e0 Montanistica Bergamasca<\/em> was established, which definitively ceased operations on 26th June 1981.<\/p>\n<\/div><\/div><\/div><\/div><\/div>

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Historical video from the 1960s<\/h4><\/div>
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WEEKLY CIAC \/ SC587<\/p>\n

Bergamo – fluorine extracted from a mine<\/p>\n

Date<\/strong>: 10\/03\/1960
\nDuration<\/strong>: 00:00:40
\nColor<\/strong>: b\/w
\nSound<\/strong>: yes
\nProduction house<\/strong>:\u00a0CIAC Compagnia Italiana Attualit\u00e0 Cinematografiche<\/p>\n<\/div><\/div><\/div><\/div><\/div>

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A monument to the ancient and modern history of a land<\/h4><\/div>

of a reality that was integral to the birth and development of an entire province and beyond, but above all in memory of those who sacrificed themselves to give society what that same society is used to taking for granted.<\/p>\n<\/div>

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EIMCO data sheet<\/h3>

EIMCO data sheet and operating parameters<\/p><\/div><\/div><\/div>

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EIMCO data sheet and operating parameters<\/h3>

Antique of mechanical shovel mod. EIMCO 12b, found in one of the lower levels of the fluorite mines in Paglio locality; used to collect the excavated material during the advancement of the galleries<\/p><\/div><\/div><\/div>

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THE BEST OF DOSSENA<\/div><\/div>

Discover all the activities and attractions<\/h3><\/div>
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Team Building in Dossena<\/a><\/h3><\/div><\/div><\/div>\n
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Visits and activities for school and youth camps<\/a><\/h3><\/div><\/div><\/div>\n
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Il Becco<\/a><\/h3><\/div><\/div><\/div>\n
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The Tibetan Bridge of Dossena<\/a><\/h3><\/div><\/div><\/div>\n
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Our Typical Products<\/a><\/h3><\/div><\/div><\/div>\n
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The Speleological Park of Dossena<\/a><\/h3><\/div><\/div><\/div>\n
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San Giovanni Battista<\/a><\/h3><\/div><\/div><\/div>\n
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The Trails<\/a><\/h3><\/div><\/div><\/div>\n
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The Mines<\/a><\/h3><\/div><\/div><\/div>\n
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The Mines of Dossena and the Museum<\/a><\/h3><\/div><\/div><\/div>\n
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Curiosities around the Mines of Dossena<\/a><\/h3><\/div><\/div><\/div>\n
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Dossena Mines Association<\/a><\/h3><\/div><\/div><\/div>\n
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The Murals<\/a><\/h3><\/div><\/div><\/div>\n<\/div>
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WHAT OCCURS IN DOSSENA<\/div><\/div>

Blog, news and events<\/h3><\/div>
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news and updates<\/a><\/span><\/span><\/div>

FAQ Guided Tour in Dossena Mines<\/a><\/h4><\/div><\/div><\/div>\n
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news and updates<\/a><\/span><\/span><\/div>

\u201cIl Becco\u201d arrives at Dossena<\/a><\/h4><\/div><\/div><\/div>\n
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news and updates<\/a><\/span><\/span><\/div>

FAQ “Becco” of Dossena<\/a><\/h4><\/div><\/div><\/div>\n
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Events at the Mines<\/a><\/span><\/span><\/div>

Music in the mines of Dossena, Brembana Valley<\/a><\/h4><\/div><\/div><\/div>\n
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news and updates<\/a><\/span><\/span><\/div>

FAQ “Ponte nel Sole”<\/a><\/h4><\/div><\/div><\/div>\n
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Events at the Mines<\/a><\/span><\/span><\/div>

A mine of taste in Dossena 2022, Brembana Valley<\/a><\/h4><\/div><\/div><\/div>\n
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Events at the Mines<\/a><\/span><\/span><\/div>

Tricolour Mine in Dossena, Brembana Valley<\/a><\/h4><\/div><\/div><\/div>\n
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Events at the Mines<\/a><\/span><\/span><\/div>

Ol Minadur, our mine-matured cheese<\/a><\/h4><\/div><\/div><\/div>\n<\/div>
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<\/i><\/div><\/div><\/div><\/div><\/div><\/div>\n<\/p>\n","protected":false},"excerpt":{"rendered":"

An important mine site of the Roman Empire<\/p>\n","protected":false},"author":2,"featured_media":5571,"menu_order":4,"comment_status":"open","ping_status":"closed","template":"","format":"standard","meta":{"footnotes":""},"portfolio_category":[84],"portfolio_skills":[],"portfolio_tags":[],"class_list":["post-6273","avada_portfolio","type-avada_portfolio","status-publish","format-standard","has-post-thumbnail","hentry","portfolio_category-seo-linking-interno-en"],"yoast_head":"\nThe History of the Dossena Mines, Brembana Valley | Visit Dossena<\/title>\n<meta name=\"description\" content=\"The Dossena mines were first mentioned by the Latin historian and naturalist Pliny the Elder. 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