Mineral Resources Program

Multimedia

Selected mineral specimen images and videos about Program activities.

Filter Total Items: 212
Map
October 30, 2020

Flight area for Trans-Pecos aeromagnetic and radiometric survey

Map indicating flight area for Trans-Pecos aeromagnetic and radiometric survey. The survey area includes parts of El Paso and Hudspeth counties, Texas, and Otero County, New Mexico. Flights will begin in November 2020 and are expected to conclude in mid-January 2021. 

Click on image for full description.
July 1, 2020

What minerals produce the colors in fireworks?

Mineral elements provide the color in fireworks. Barium produces bright greens; strontium yields deep reds; copper produces blues; and sodium yields yellow. Other colors can be made by mixing elements: strontium and sodium produce brilliant orange; titanium, zirconium, and magnesium alloys make silvery white; copper and strontium make lavender. Gold sparks are produced by

...
click on image for full description
February 7, 2020

Mineral Commodities February 2020

The 43rd annual Mineral Commodity Summaries report from the USGS National Minerals Information Center is the earliest comprehensive source of 2019 world mineral production data. It includes information on the domestic industry structure, government programs, and tariffs as well as five-year salient statistics on more than 90 mineral commodities that are important to the U.

...
Geologist at Yukon Tanana Uplands Alaska
December 31, 2019

Geologist at Yukon Tanana Uplands Alaska

Geologist at Yukon Tanana Uplands Alaska.  This is part of the Earth MRI project.

Please see description for full content of infographic
September 10, 2019

Gas Hydrates in Alaska 2019

The Alaska North Slope is rich in gas hydrate-bearing formations which contain significant natural gas resources. The USGS has released a geologically based assessment for how much of these resources is technically recoverable.

53.8 trillion cubic feet
Estimate of the undiscovered technically recoverable amount of natural gas that is stored in

...
Click on image for full description.
June 4, 2019

Critical Mineral Commodities in Renewable Energy

To make America’s economy and defense more secure, the Administration has released “A Federal Strategy to Ensure Secure and Reliable Supplies of Critical Minerals.” Among other roles, these mineral commodities are vital to renewable energy infrastructure like solar panels, wind turbines, and batteries.

Solar Panels |

...
Earth MRI data and applications graphic
February 25, 2019

Earth MRI Fact Sheet 2019-3007 Figure 1

Figure 1 from USGS Fact Sheet 2019-3007 The Earth Mapping Resources Initiative (Earth MRI): Mapping the Nation’s Critical Mineral Resources.

Figure 1. Planned applications for data acquired during the Earth Mapping Resources Initiative (Earth MRI). Images are from the U.S. Geological Survey (USGS). Sources for images in left column, from top to bottom: Topography:

...
Summary of OH-related near-infrared spectral features of unexpanded and expanded vermiculite ores.
February 13, 2019

Summary of OH-related near-infrared spectral features.

Table 6.  Summary of OH-related near-infrared spectral features of unexpanded and expanded vermiculite ores.

Notes: Vibrational positions from spectra of handpicked, ground mica flakes from the unexpanded GDS469 ore sample from Libby, MT; and the expanded vermiculite ores as noted.  Vibrational assignments from this study.  oa = OH overtone;

...
Electron probe microanalysis analyses and resulting formula of an unexpanded VTx-1 Mg-vermiculite sample from Llano, Texas.
February 13, 2019

Electron probe microanalysis analyses and resulting formula.

Table A5.  Electron probe microanalysis analyses and resulting formula of an unexpanded VTx-1 Mg-vermiculite sample from Llano, Texas. 

Notes:

a Microprobe data for all Fe are binned into FeO.

b There are no data on H2O content. 

 Expanded vermiculite ores examined in this study: their sources and amphibole, talc, and/or serpentine impurities.
February 13, 2019

Expanded vermiculite ores examined in this study

Table 1.  Expanded vermiculite ores examined in this study: their sources and amphibole, talc, and/or serpentine impurities.

Notes: XRD = X-ray diffraction analysis of bulk ore samples (B) and sink fractions (S).  SEM-EDS = Scanning Electron Microscope – Energy-Dispersive X-Ray Spectroscopy.  Band Depth Ratio = 1.40/1.42-µm band depth ratio.  The use of "sodic-

...
Average EPMA chemical analyses and calculated mineral formulas of selected unexpanded vermiculite ores.
February 13, 2019

Average EPMA chemical analyses and calculated mineral formulas.

Table 2.   Average EPMA chemical analyses and calculated mineral formulas of selected unexpanded vermiculite ores.

Notes: Compositions of bulk samples not individual minerals.  n = number of microprobe spot analyses collected on multiple mica flakes used to calculate the averaged composition of each sample.   ---- = not enough cation Al and/or Mg to assign to this

...