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In 1986, California named benitoite as its state gemstone, a form of the mineral barium titanium silicate that is unique to the Golden State and only found in gem quality in San Benito County. [ 80 ] ^ Colorado is the only state whose geological symbols reflect the national flag's colors: red (rhodochrosite), white (yule marble), and blue ...
The name is a portmanteau, formed from Mo (Missouri), zark , and ite (meaning rock). Mozarkite consists essentially of silica ( quartz - SiO 2 ) with varying amounts of chalcedony . It has won distinction as a particular form or variety of chert because of its unique variation of colors and its ability to take a high polish.
Rockwoods Reservation is a 1,843 acres (746 ha) state forest and wildlife conservation area in St. Louis County, Missouri. It was established in 1938, making it one of the oldest Missouri Department of Conservation areas. Being located close to a major urban area and in a rapidly developing suburban area increases its significance as a nature ...
Burlington Limestone is present in nearly all major Mississippian outcrop regions in Missouri. It is known from Iowa to northwestern Arkansas and from western Illinois to western Kansas . It is present throughout Missouri, except in the Ozark uplift, where it has been removed by erosion .
St. Genevieve marble, also known as Ste. Genevieve marble, is an oolitic limestone (or "marble") found in Sainte Genevieve County, Missouri. [1] It is part of the Archimedes Limestone formation. [2] It generally comes in two different types. "St. Genevieve Rose" is the name for the marble which comes in deep red, greenish-gray, pink, and rose ...
It looks like Aurora Borealis shooting over a mountain range, but it's not.. This is a photograph of a gemstone taken under a microscope. If you're thinking, "I could look at these breath taking ...
Pre-Columbian Native American artifacts have been found in the caverns. Currently the cavern system is a tourist attraction, with more than fifty billboards along Interstate 44 [2] and is considered one of the primary attractions along former U.S. Highway 66. [3] [4] Meramec Caverns is the most-visited cave in Missouri with some 150,000 ...
The Elephant Rocks, for which Elephant Rocks State Park is named, is a pile of residual boulders of weathered Graniteville Granite. It is a medium- to coarse-grained, muscovite-biotite alkali granite that, on the average, consists of 55 percent alkali feldspar, 40 percent quartz, and less than 5 percent mafic minerals.
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