Bluish-gray elongate amphibole bundles found in samples.
Bluish-gray elongate amphibole bundles found in samples.Figure 2. Bluish-gray elongate amphibole bundles found in samples of commercial expanded vermiculite ore from Libby.
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Bluish-gray elongate amphibole bundles found in samples.
Bluish-gray elongate amphibole bundles found in samples.
Bluish-gray elongate amphibole bundles found in samples.Figure 2. Bluish-gray elongate amphibole bundles found in samples of commercial expanded vermiculite ore from Libby.
Concord Heavy-Mineral Sands Mine
The Concord heavy-mineral-sands mine of Iluka Resources in south-central Virginia.
Secondary electron images of elongate amphibole bundles.
Secondary electron images of elongate amphibole bundles.Figure 3. Secondary electron images of elongate amphibole bundles from the sink fractions of commercial expanded vermiculite ore.
Secondary electron images of elongate amphibole bundles.
Secondary electron images of elongate amphibole bundles.Figure 3. Secondary electron images of elongate amphibole bundles from the sink fractions of commercial expanded vermiculite ore.
Red Mountain, CO Hydrothermal Alteration
Photo showing intense acid-sulfate hydrothermal alteration on Red Mountain No. 2, Silverton CO. View is looking to the west across Corkscrew Gulch.
Photo showing intense acid-sulfate hydrothermal alteration on Red Mountain No. 2, Silverton CO. View is looking to the west across Corkscrew Gulch.
Supergene Leached Zone at Silver Bell Mine
Supergene Leached zone at Silver Bell Mine, AZ.
Supergene Leached zone at Silver Bell Mine, AZ.
Ray_copper_mine_AZ_USGS_revised_Jan_7_2025.jpg
USGS photo of Ray Copper Mine in Pinal County, Arizona. Taken by Mark Coker on September 1, 2007. Revised for brightness and contrast for use as a webpage Carousel image.
USGS photo of Ray Copper Mine in Pinal County, Arizona. Taken by Mark Coker on September 1, 2007. Revised for brightness and contrast for use as a webpage Carousel image.
UICC Asbestos Amosite Standard
Union for International Cancer Control (UICC) asbestos amosite standard.
Union for International Cancer Control (UICC) asbestos amosite standard.
Winchite-richterite asbestos
Winchite-richterite asbestos, Colorado.
Winchite-richterite asbestos, Colorado.
Diatom in Yellowstone Lake Spire
Diatom in spire from floor of Yellowstone Lake, Yellowstone National Park.
Diatom in spire from floor of Yellowstone Lake, Yellowstone National Park.
Yellowstone Lake Spire
Spires from the floor of Yellowstone Lake appear to be composed of diatoms and silicified bacteria.
Spires from the floor of Yellowstone Lake appear to be composed of diatoms and silicified bacteria.
Aluminum (Al) X-Ray Intensity Map
Aluminum x-ray intensity map of a high temperature inclusion from the Allende meteorite.
Aluminum x-ray intensity map of a high temperature inclusion from the Allende meteorite.
Yellowstone Lake Spire
Spires from the floor of Yellowstone Lake appear to be composed of diatoms and silicified bacteria.
Spires from the floor of Yellowstone Lake appear to be composed of diatoms and silicified bacteria.
Ant Head - Electron Microscope Image
Photograph of ant taken with electron microscope.
Photograph of ant taken with electron microscope.
Dickite Clay Crystals
Secondary electron image of dickite clay crystals.
Secondary electron image of dickite clay crystals.
Yellowstone Lake Spire
Spires from the floor of Yellowstone Lake appear to be composed of diatoms and silicified bacteria.
Spires from the floor of Yellowstone Lake appear to be composed of diatoms and silicified bacteria.