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Jay Kaufman of the University of Maryland - College Park loaned us this sample to image. It is a piece of the Ghaub Formation of Namibia, carbonate diamictite with iceberg-rafted debris attributed to the Neoproterozoic "Snowball Earth" glaciation. A prominent dropstone is located in the middle of this face. Sampl...
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- 705
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- 1
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Sand from Pays de la Loire, Vendee, Bretignolles-sur-Mer, France. Featuring quartz, almandine, orthoclase, staurolite, clinozoisite, spinel, zircon, rutile, and magnetite. The petri dish is 9 cm in diameter. Sample provided by Siim Sepp of sandatlas.org. Image made as part of the MAGIC project (Mid-Atlantic Ge...
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Also known as the Darton Fault (for Nelson Horatio Darton of the USGS, who pushed for its preservation "from the effects of weathering and the small boy") or the White House Fault (because it runs southeast to underneath the northeast corner of the White House grounds), this reverse fault offsets the nonconformity betw...
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River restoration site at the mouth of the Bear River. Levees in the area were set back from the channel of the Bear River, and a riparian forest was planted in the floodplain. New residential development in the background is Plumas Lake. The Plumas Lake area flooded after levees to the north failed during major sto...
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Sand from Calvert Cliffs State Park, MD. Featuring ilmenite, quartz, garnet, magentite, rutile, and zircon. The petri dish is 9 cm in diameter. Sample provided by Siim Sepp of sandatlas.org. Image made as part of the MAGIC project (Mid-Atlantic Geo-Imagery Collection) using Northern Virginia Community College'...
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- 602
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- 1
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Sand from Al Madam, Sharjah, UAE. Description to come.
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- 601
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Featuring pyrite, goethite, and grains of a green silicate which may be epidote. The petri dish is 9 cm in diameter. Sample provided by Siim Sepp of sandatlas.org. Image made as part of the MAGIC project (Mid-Atlantic Geo-Imagery Collection) using Northern Virginia Community College's gigamacro rig, as seen he...
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- 569
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- 1
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Collected from the white sand Jumeira Beach in Dubai.
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- 568
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Featuring actinolite, augite, almandine, epidote, quartz, orthoclase, and magnetite. The petri dish is 9 cm in diameter. Sample provided by Siim Sepp of sandatlas.org. Image made as part of the MAGIC project (Mid-Atlantic Geo-Imagery Collection) using Northern Virginia Community College's gigamacro rig, as see...
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- 440
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- 1
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Sediment collected from Wadi Al Khames in the Al Hajar Mountains in Oman. Geolocation is approximate; Google Maps can't find Wadi Al Khames, apparently.
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- 1
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- 426
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