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platinum mining puerto rico

  • Mining Puerto Rico CityData

    Puerto Rico: Worldmark Encyclopedia of the States. The estimated value of nonfuel mineral commodities produced in Puerto Rico was $84.8 million in 1995, excluding the value of crushed stone, which accounts for approximately 30% of the commonwealth's mineral

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  • Puerto Rico Mining Precious Metal Mineralization

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  • Major gold deposits discovered in Puerto Rico WAR

    A US Geological Survey (USGS) has reported substantial gold deposits in Puerto Rico. They are concentrated in two municipalities, ten rivers, and the Sierra Luquillo sector. The Sierra Luquillo deposits cover a staggering area. Acording to the USGS report, they extend for ten kilometers, and run all the way to the Atlantic Ocean. The

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  • Cerro Avispa Silver Occurrence Near La Plena, Puerto Rico

    The Cerro Avispa Silver Occurrence is near La Plena, Puerto Rico. The site was first discovered in 1956 by A. F. Koelbl. Ore mineralization has been found at this location and the size of the deposit is estimated to be small, however the precise grade, tonnage, and extent of the mineralization are not known.

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  • Top 5 Platinum Stocks of 2019 Investopedia

    Five platinum stocks worth watching in 2019. Platinum has risen since the start of 2019. This follows an almost decadelong bear market for the precious metal that saw its price decline. While

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  • MINERAL RESOURCE ASSESSMENT OF PUERTO RICO

    MINERAL RESOURCE ASSESSMENT OF PUERTO RICO FIELD TRIP June 25, 1992 . Jean N. Weaver, Editor/Compiler platinum of 20 to 50 ppb in dunite and 800 ppb in the overlying laterite, with some assays as writer by the Kennecott Copper Corp. and the Puerto Rico Mining Commission. Geologic mapping of the Bayaney quadrangle by Nelson and Tobisch

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  • Gold Occurrences in Puerto Rico Gold mining

    Gold was discovered in the Central Highlands of Puerto Rico in the early 16 th century and there were several gold mines operating until the end of the 16 th century. For many centuries gold mining was missing from the Island and wasnt revived until 1828 when a mine was established once again in the Central Highlands.

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  • Puerto Rico Discovery Metals Corp.

    Overview. About the Puerto Rico project: The Puerto Rico project is a large, multitarget carbonate replacement (CRD) silverzinclead mining district that has historically produced approximately one million tonnes of shallow, highgrade, directshipping ore.

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  • Where is Platinum Mined? Platinum Value and Value of

    Where is Platinum Mined? Platinum is a Silverwhite Precious Metal that is rarer than Gold. The Platinum bullion value is high because of its scarcity and its use in industrial applications. Platinum is mined very few places around the world. With mining regulations crippling some parts of the world, Platinum mining remains strong in others.

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  • platinum mining, mining of platinum, platinum, platinum

    PLATINUM MINING AND EXTRACTION METHODS : The mining of platinum ores is alike gold mining. The platinum orebody is a thin, tabular reef covering a vast area. This enables a progressive method of mining which includes the drilling of the reef and blasting it to advance the face.

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