Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Historic Centre of Zacatecas' has mentioned 'Silver' in the following places:
Occurrence Sentence Text Source
Native Americans had already known about the area's rich deposits of silver and other minerals.
Due to the wealth that the mines provided, Zacatecas quickly became one of the most important cities in New Spain, with much of its silver enriching the Spanish crown.
[2][4] These peoples were mining silver and other metals in the hills long before the Europeans arrived,[5] making the area important in pre-Columbian times.
Other expeditions followed, including one by Juan de Tolosa in 1546, who brought back rock samples from Cerro de la Bufa, which were determined to contain high concentrations of silver and lead.
[4][8] The first major vein of silver was found in 1548 in a mine called San Bernabxc3xa9.
It principally produced gold and silver with most of its production occurring in the 17th and 18th centuries.
"Founded in 1546 after the discovery of a rich silver lode, Zacatecas reached the height of its prosperity in the 16th and 17th centuries.
The city is called "con rostro de cantera rosa y corazxc3xb3n de plata" (face of pink stone and heart of silver) because of the pink stone that many of its iconic buildings are made of and the silver that has spurred its development and history.
[7][16] It is at the foot of the Cerro de la Bufa, in which was one of the greatest silver mines in the world.
Around the city are the Brittany hills or small mountains that contain silver and other minerals such as the Cerro de la Virgen, Cerro de Clxc3xa9rigos, Cerro del Grillo, Cerro del Padre and Cerro de la Bufa.
This city, along with Guanajuato and Taxco are along a route called the "Ruta de la Plata" or Silver Route.
These cities are distinguished not only for silver but for the conservation of their colonial faxc3xa7ades and narrow streets.
[3][4] Most of these buildings were constructed in the 18th century, when the silver flowing out of the mines was at its highest.
The El Edxc3xa9n mine began operations in 1586 and principally produced gold and silver.
Originally, it was a traditional Mexican style market but has since been modernized into a mall with stores selling crafts, silver, leather, Zacatecas wine, antiques, charreada gear, Huichol needlework and regional sweets.
[18] The former Bernxc3xa1rdez Hacienda now contains an artisansxe2x80x99 school which specializes in the making of silver items.
River of silver ("Arroyo de la Plata") Park
Annual production is valued at 50,043 pesos for gold, 11,320 pesos for silver and 38,122 for lead.
The Historic Centre of Zacatecas, located in the south central part of the state of Zacatecas, between the Bufa and Grillo hills was founded in 1546 after the discovery of a rich silver lode, Zacatecas reached the height of its prosperity in the 16th and 17th centuries.
It was a major centre of silver production, and also of colonization, evangelization and cultural expansion.
Criterion (ii) : Zacatecas was one of the principal centres of silver mining from the early Spanish period until the 20th century and its architecture and layout reflect its economic importance and the resultant cultural flourishing which influenced developments in these fields in central and North America.