Articles about specific and interesting sand samples.
| http://picasaweb.google.com/107509377372007544953/100#5798381013140375378 | Sand of Mannin Bay | Maerl (coarse sand composed of coralline algae) from the Mannin Bay, Connemara, Ireland. |
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#570. Hydromagnesite sand from Turkey | Sand composed of hydromagnesite and serpentinite. |
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#981. Blue sand from Namibia | Blue sand? Is it possible? |
| http://picasaweb.google.com/107509377372007544953/RockTypes100#6197413266067050962 | #1251. Globigerina ooze from the Weddell Sea | Globigerina ooze — seafloor sediment composed of tests of planktonic forams. |
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#85. Volcanic ash of Mount St. Helens, Washington, USA | Volcanic ash — pumice, plagioclase, quartz, amphibole, pyroxene. |
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#580. Halls Lake, Ontario, Canada | Heavy mineral sand. Actinolite, augite, almandine, epidote, quartz, orthoclase, magnetite. |
| http://picasaweb.google.com/107509377372007544953/RockTypes100#6197415019786454242 | #1012. Vila Franca do Campo, São Miguel, the Azores, Portugal | Volcanic sand. Major components separated from each other. Diopside, volcanic glass, analcime, plagioclase, magnetite, olivine, aegirine. |
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#13. Sint Maarten, Netherlands territory in the Caribbean | Biogenic sand. Forams, corals, sponges, mollusks, etc. |
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#190. Capdepera, Majorca, Baleares | Biogenic sand. Very well preserved shells. Sea urchins, mollusks, forams, bryozoans, ostracods, serpulids, scaphopods, sponges. |
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#910. Kap Gerakes, Zakynthos, Greece | Biogenic sand. Foraminifera, ostracods, mollusks, sea urchins. |
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#63. White Sands National Monument, New Mexico, USA | Gypsum sand. |
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#338. Plage de la Paree, Bretignolles-sur-mer, France | Heavy mineral sand. Quartz, almandine, spinel, staurolite, rutile, etc. |
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#991. Between Butre and Busua, Ghana | Mixed biogenic-lithic sand. Greenstone and rhyolite fragments, sea urchin spines, clam shells. |