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Sedimentary Rocks
Rock specimens are useful for studying textures, grain sizes, and other features altered by pressure, temperature, and other natural forces. Different select categories of rock specimens are available for purchase as well, including metamorphic, igneous, and sedimentary rocks. Sets of rock specimens are housed in compartmentalized collection boxes, with descriptions of each specimen printed for easy confirmation of identification. These rock specimens are carefully selected to be the highest quality to provide students with a suitable introduction to earth materials and their characteristics.
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Geo-logic Sedimentary Rock Set
Indicative of Various Sedimentary Formation Processes
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Limestone (Coquina)
Buff-colored, coarse, detrital limestone, with cemented shell fragments.
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Ward's® Limestone (Gray)
Fine, common limestone; massive, and will fizzle with HCl.
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Ward's® Sandstone (Banded)
Red, medium, to coarse-grained iron oxide cement; shows hematite bands.
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Ward's® Limestone (Oolitic)
Gray to buff, with numerous ooliths and fossil fragments.
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Ward's® Arkose
Red-brown to gray, coarse-grained, containing feldspar and mica.
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Ward's® Sedimentary Rock Collection
Represents a Wide Range of Depositional Environments and Rock Textures