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143928. Website. sanjuandelrio.gob.mx. San Juan del Río is a city (2010 census pop. 241,699) and administration of the surrounding San Juan del Río Municipality (pop. 208,462) in the central Mexican state of Querétaro. The population in for the municipality is 268,408 as of 2015. The city and its municipality have the second-highest ...
Opal is a hydrated amorphous form of silica (SiO 2 · n H 2 O); its water content may range from 3% to 21% by weight, but is usually between 6% and 10%. Due to its amorphous property, it is classified as a mineraloid, unlike crystalline forms of silica, which are considered minerals. It is deposited at a relatively low temperature and may occur ...
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 ...
7. Crater of Diamonds State Park. Arkansas. Crater of Diamonds State Park in Murfreesboro is one of the best places in the country to find your very own diamonds; more than 33,000 diamonds have ...
La Negra is a silver mine in Querétaro, Mexico. [1] The mine has thirteen known ore bodies, overwhelmingly of silver, but also with smaller quantities of gold, zinc and lead. [2] The mine has a processing mill that can process 3,000 tons-per-day. [3] Tailings from the mine are held behind five tailings dams. [1]
The Sierra Gorda (lit. 'fat mountain (s)') [1] is an ecological region centered on the northern third of the Mexican state of Querétaro and extending into the neighboring states of Guanajuato, Hidalgo and San Luis Potosí. [2] Within Querétaro, the ecosystem extends from the center of the state starting in parts of San Joaquín and Cadereyta ...
En English company installed itself to mine silver in Pinal de Amoles in 1865. A Mexican company was founded in 1887 for the same purpose. A US company called El Soyatal began mining antimony in 1944. Mercury mining began again in 1960, which caused an economic boom, but by 1970, prices for this element fell and ended most of the mining here. [1]
Jalpan de Serra, Querétaro. Temple built by Junípero Serra between 1751 and 1758. Jalpan de Serra (Spanish: [ˈxalpan de ˈsera] ⓘ) is a city in Jalpan de Serra Municipality located in the north of the Mexican state of Querétaro. It is located in the heart of an important ecological zone called the Sierra Gorda.