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Science

The MD-DE-DC Water Science Center conducts hydrologic projects that address a wide variety of water-resources issues, including water supply, groundwater contamination, nutrient loading in streams, effects of land use on water quality, and data collection.

Please note that our Science Support topics are currently being updated to better reflect our advanced technical capabilities...

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Surface Water and Sediment Studies

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Groundwater Studies

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National and Regional Assessments

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Water Quality Monitoring and Monitoring

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Fate and Bioremediation

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Water Use and Availability

FAQs

What minerals produce the colors in fireworks?

Mineral elements provide the color in fireworks. Additional colors can be made by mixing elements:Color ProducedElement(s)Primary mineral ore(s)bright greensbariumbaritedeep redsstrontiumcelestitebluescopperchalcopyriteyellowssodiumhalite (rock salt)brilliant orangestrontium + sodiumcelestite, halitesilvery whitetitanium + zirconium + magnesium alloysilmenite, rutile, zircon, dolomite,magnesite...

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What minerals produce the colors in fireworks?

Mineral elements provide the color in fireworks. Additional colors can be made by mixing elements:Color ProducedElement(s)Primary mineral ore(s)bright greensbariumbaritedeep redsstrontiumcelestitebluescopperchalcopyriteyellowssodiumhalite (rock salt)brilliant orangestrontium + sodiumcelestite, halitesilvery whitetitanium + zirconium + magnesium alloysilmenite, rutile, zircon, dolomite,magnesite...

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How can I find U.S. Bureau of Mines publications?

After 85 years of service, the U.S. Bureau of Mines (USBM) closed in 1996. Certain functions, such as the collection, analysis, and dissemination of minerals information, have been returned to the U.S. Geological Survey (USGS). For information on former USBM programs or publications, please see the following sources:The National Technical Reports Library (part of the National Technical information...

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How can I find U.S. Bureau of Mines publications?

After 85 years of service, the U.S. Bureau of Mines (USBM) closed in 1996. Certain functions, such as the collection, analysis, and dissemination of minerals information, have been returned to the U.S. Geological Survey (USGS). For information on former USBM programs or publications, please see the following sources:The National Technical Reports Library (part of the National Technical information...

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Where can I find information about mineral commodities?

For statistical information about mineral commodities, visit USGS Commodity Statistics and Information. For locations outside the United States, USGS International Minerals Statistics and Information is the best starting point.

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Where can I find information about mineral commodities?

For statistical information about mineral commodities, visit USGS Commodity Statistics and Information. For locations outside the United States, USGS International Minerals Statistics and Information is the best starting point.

Learn More