The integrated Toxic Substances Hydrology and Contaminant Biology Programs together are supporting science to address the full range of questions related to contaminant and pathogen sources, environmental transport, exposure/transmission pathways, uptake, biological effects, and human health implications.
Science Topics
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...
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...
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.