Humberstone And Santa Laura Saltpeter Works
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Humberstone and Santa Laura Saltpeter Works are two former
saltpeter Potassium nitrate is a chemical compound with the chemical formula . This alkali metal nitrate salt is also known as Indian saltpetre (large deposits of which were historically mined in India). It is an ionic salt of potassium ions K+ and nitrat ...
refineries located in northern
Chile Chile, officially the Republic of Chile, is a country in the western part of South America. It is the southernmost country in the world, and the closest to Antarctica, occupying a long and narrow strip of land between the Andes to the east a ...
. They were declared a
UNESCO World Heritage Site A World Heritage Site is a landmark or area with legal protection by an international convention administered by the United Nations Educational, Scientific and Cultural Organization (UNESCO). World Heritage Sites are designated by UNESCO for h ...
in 2005, as a testament to the historical importance of saltpeter mining in Chile and the culture and social agenda that developed around it in the late 19th century. The works were placed on the World Heritage List in Danger that same year, due to the fragility of the derelict buildings, but was removed in 2019.


Geography

Humberstone and Santa Laura are located 45km east of the city of
Iquique Iquique () is a port city and commune in northern Chile, capital of both the Iquique Province and Tarapacá Region. It lies on the Pacific coast, west of the Pampa del Tamarugal, which is part of the Atacama Desert. It has a population of 191,468 ...
in the
Atacama Desert The Atacama Desert ( es, Desierto de Atacama) is a desert plateau in South America covering a 1,600 km (990 mi) strip of land on the Pacific coast, west of the Andes Mountains. The Atacama Desert is the driest nonpolar desert in the ...
in the
Tarapacá Region The Tarapacá Region ( es, Región de Tarapacá, ) is one of Chile's 16 first-order administrative divisions. It comprises two provinces, Iquique and Tamarugal. It borders the Chilean Arica and Parinacota Region to the north, Bolivia's Oruro D ...
in northern
Chile Chile, officially the Republic of Chile, is a country in the western part of South America. It is the southernmost country in the world, and the closest to Antarctica, occupying a long and narrow strip of land between the Andes to the east a ...
. Other saltpeter works or "nitrate towns" include
Chacabuco Chacabuco is one of the many abandoned nitrate or "saltpeter" towns ("oficinas salitreras" in Spanish) in the Atacama Desert of northern Chile. Other nitrate towns of the Atacama Desert include Humberstone and Santa Laura Saltpeter Works. Unlik ...
, Maria Elena, Pedro de Valdivia, Puelma and Aguas Santas.


Humberstone

Oficinas salitreras de Humberstone y Santa Laura, Chile, 2016-02-11, DD 82.jpg, View of Humberstone Humberstone-- Joline & Neil.jpg, Humberstone Locomotive Humberstone Church.jpg, Humberstone Church Humberstone Theater.jpg, Humberstone Theater


Santa Laura

Santa Laura.JPG, Santa Laura plant Santa Laura 5.jpg, Saltpeter Works Santa Laura Machinery.jpg, Abandoned Machinery


History

In 1872, the Guillermo Wendell Nitrate Extraction Company founded the saltpeter works of Santa Laura, while the region was still a part of Peru. In the same year,
James Thomas Humberstone James Thomas Humberstone (8 July 1850 – 12 June 1939) was an English chemical engineer. In 1872, he founded the Peru Nitrate Company to extract saltpetre in the Tarapacá Province of Peru (now part of the Tarapacá Region of Chile). He introd ...
founded the "Peru Nitrate Company", establishing the works of "La Palma". Both works grew quickly, becoming busy towns characterized by English-style buildings. While La Palma became one of the largest saltpeter extractors of the whole region, Santa Laura did not do well, as production was low. It was taken over in 1902 by the Tamarugal Nitrate Company. In 1913 Santa Laura halted its production until the Shanks extraction process was introduced, which enhanced productivity. However the economic model collapsed during the
Great Depression The Great Depression (19291939) was an economic shock that impacted most countries across the world. It was a period of economic depression that became evident after a major fall in stock prices in the United States. The economic contagio ...
of 1929 because of the development of the synthesis of
ammonia Ammonia is an inorganic compound of nitrogen and hydrogen with the formula . A stable binary hydride, and the simplest pnictogen hydride, ammonia is a colourless gas with a distinct pungent smell. Biologically, it is a common nitrogenous was ...
by the Germans
Fritz Haber Fritz Haber (; 9 December 186829 January 1934) was a German chemist who received the Nobel Prize in Chemistry in 1918 for his invention of the Haber–Bosch process, a method used in industry to synthesize ammonia from nitrogen gas and hydrogen ...
and
Carl Bosch Carl Bosch (; 27 August 1874 – 26 April 1940) was a German chemist and engineer and Nobel Laureate in Chemistry. He was a pioneer in the field of high-pressure industrial chemistry and founder of IG Farben, at one point the world's largest ...
, which led to the industrial production of fertilizers. Practically bankrupt, both works were acquired by COSATAN (Compañía Salitrera de Tarapacá y Antofagasta) in 1934. COSATAN renamed La Palma into "Oficina Santiago Humberstone" in honor of its founder. The company tried to produce a competitive natural saltpeter by modernizing Humberstone, which led to its becoming the most successful saltpeter works in 1940. Both works were abandoned in 1960 after the rapid decline that caused COSATAN to disappear in 1958. In 1970, after becoming ghost towns, they were declared national monuments and opened to tourism. In 2005 they were declared a World Heritage Site by UNESCO.


See also

*
War of the Pacific The War of the Pacific ( es, link=no, Guerra del Pacífico), also known as the Saltpeter War ( es, link=no, Guerra del salitre) and by multiple other names, was a war between Chile and a Bolivian–Peruvian alliance from 1879 to 1884. Fought ...
*
List of Saltpeter works in Tarapacá and Antofagasta A ''list'' is any set of items in a row. List or lists may also refer to: People * List (surname) Organizations * List College, an undergraduate division of the Jewish Theological Seminary of America * SC Germania List, German rugby union ...


References


External links


Oficina Humberstone, formerly La PalmaChile's Mining Past Draws Tourists North: Santa Laura's pictures explaining saltpeter process
*
Explore Humberstone and Santa Laura Saltpeter Works in the UNESCO collection on Google Arts and Culture
{{Authority control Saltpeter works in Chile Mining museums Museums in Tarapacá Region History museums in Chile Mines in Chile Atacama Desert Ghost towns in South America Former populated places in Chile World Heritage Sites in Chile Former mines in Chile