Industrial history of Spain;
March 10th, 2010

The Ayoluengo oil field (campo petrolífero de Ayoluengo) is a small petroleum deposit in Burgos. It was discovered in 1963, and for a time many believed the area would become the Spanish Texas, though yields have been small with 17 million barrels produced since its opening in 1963. Some 80 barrels are currently produced on a good day with some 80-100 million barrels left, of difficult access.
Photo from here
Not the most picturesque of sites perhaps, but when you drive past, you have to remind yourself you’re in Spain. A number of the old pumps (known locally as `caballitos´- little horses ) stand to one side, a cemetery of dinosaurs.
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Geographical curiosities in Spain, Geological sites in Spain, Industrial history of Spain, Mining history of Spain, Places in Castilla y León | Tags: Campo petrolífero de Ayoluengo, Oil fields in Spain, Petrol production in Spain, Places in Burgos|

Set in the heart of the rugged and arid Cabo de Gata, the abandoned gold mines of Rodalquilar are a fascinating and extremely atmospheric spot to visit. The mines experienced a minor gold fever in the 1880s . They were reopened for a brief flash in the pan in 1989, before finally closing a year later. There are a number of abandoned mining cottages in the deserted village of San Diego, though some have been renovated now for tourism accommodation. At the bottom of the slope, the village of Rodalquilar itself is attractive and has a few bars offering cool drinks after a visit to the mines.
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Industrial history of Spain, Mining history of Spain, Places in Andalusia | Tags: Gold fever in Spain, Gold mines in Andaluica, Gold mining in Spain, history of Cabo de Gata, Interesting places in Cabo de Gata, Places in Cabo de Gata|

The first saline springs here were documented as early as the year 822. In the Middle Ages, salt production made the Salinas de Añana one of the most prosperous towns in the North of the Iberian Peninsula. A plan is underway to restore the site.
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Industrial history of Spain, Mining history of Spain, Places in the Basque Country | Tags: Añana, Basque salt pans, Basque Salt Valley, Medieval salt production, Places in Aviles, salt production in Spain, Salt works in Spain|