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Did you know that September 16 is National Collect Rocks Day? Rocks and coins have an important connection – and it goes right back to the very heart of what most coins are made from: metal. And metal ore naturally occurs in rocks. So it’s natural that coins could be used as a means for honoring National Collect Rocks Day. Fittingly, there are myriad coins that depict rocks, which are subdivided into three broad, geologic categories: igneous, sedimentary, and metamorphic.
Igneous rocks form by way of hot magma or lava, which form underground and emerge onto Earth’s surface via of volcanoes. Granite, pumice, and basalt are just a few examples of igneous rocks, which are found in many parts of the western United States as well as in the region of the Great Smoky Mountains.
Sedimentary rocks are made from pieces of sand, shells, mud, and other particulates that settle in layers near bodies of water or on the surface of the earth. Some examples of sedimentary rock include limestone, shale, and sandstone, which can be found throughout the United States in riverbeds, deserts, floodplains, and many other places.
Metamorphic rocks like marble, slate, and gneiss are made when one type of rock turns into another type of rock and are created underground by way of tremendous pressure and heat. You can find metamorphic rocks along the Appalachian and Rocky Mountains, in the Grand Canyon, along the Pacific Coast, and other areas of the United States.
People who collect rocks might confine their efforts to locating all types of rock within a certain category, focus on rocks found only in a certain region, or might have more widereaching goals that encompass a variety of factors. Just like rock collectors, coin collectors also set goals that guide their numismatic journey, and on National Collect Rocks Day coin collectors might seek out coins that depict rocks. And there are so many that do.
However, one that both coin collectors and rock collectors may find suitable is the 2014 Utah Arches National Park Quarter, which portrays the iconic Delicate Arch, which stands 65 feet tall before the majestic La Sal Mountains. The 2014 Utah Arches National Park Quarter can be readily found in circulation or can be purchased in high-end uncirculated or proof grades – perfect for PCGS Registry Sets!