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Opal occurs in significant quantity and variety in central Mexico, where mining and production first originated in the state of Querétaro. In this region the opal deposits are located mainly in the mountain ranges of three municipalities: Colón, Tequisquiapan, and Ezequiel Montes. During the 1960s through to the mid-1970s, the Querétaro ...
This list of mines in Mexico is subsidiary to the list of mines article and lists working, defunct and future mines in the country and is organised by the primary mineral output. For practical purposes stone, marble and other quarries may be included in this list.
In 2023, mining in Mexico represented 2.4% of the nation's gross domestic product, and 8.2% of Mexico's industrial GDP.The mining sector employed 350,000 people in 2020, and generated US$1.5 billion in direct government tax revenue, and an additional US$1.84 billion of government revenue from exports of mined natural resources.
The Mexican Geological Survey originated as the Directing Committee for Mexican Mineral Resource Research, established in 1944, which published bulletins on the exploration of mineral deposits. In 1949, the organization changed its name to the National Research Institute for Mineral Resources, and in 1955 it became the Non-Renewable Natural ...
The deposit that the mine is on has been used to mine gold, copper and platinum for decades, before being operated by Caracol Mining Company from 2003 until 2006 [5] to mine antimony and baryte. [6] Barite grinding mill. Caracol Mining Company sold their assets to Blackfire Exploration Mexico, [5] operated by brothers Brad and Brent Willis from ...
Tequisquiapan (Spanish pronunciation: [tekis'kjapan]; Otomi: Ntʼe) is a town and municipality located in the southeast of the state of Querétaro in central Mexico.The center of the town has cobblestone streets, traditional rustic houses with wrought iron fixtures, balconies, and wooden windowsills, which is the legacy of its 300-year heritage as a colonial town populated mostly by indigenous ...
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In northern Chile and Peru, caliche also refers to mineral deposits that include nitrate salts. [4] [5] Caliche can also refer to various claylike deposits in Mexico and Colombia. In addition, it has been used to describe some forms of quartzite, bauxite, kaolinite, laterite, chalcedony, opal, and soda niter.