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  2. Missouri Mines State Historic Site - Wikipedia

    en.wikipedia.org/wiki/Missouri_Mines_State...

    The plant was built by the Federal Lead Co. in 1906-1907 and subsequently bought by competitor St. Joseph Lead Company in 1923. The mill was retired in 1972 as much of the ore in the area had been mined and major operations were moving west. [5] In 1975, the land was donated to the state of Missouri for recreational use.

  3. Geology of Missouri - Wikipedia

    en.wikipedia.org/wiki/Geology_of_Missouri

    The oldest rocks in Missouri are igneous and metamorphic crystalline basement rocks formed during the Proterozoic through the accretion of volcanic island arcs to the southern shore of the proto-North American continent of Laurentia. Rocks formed from 1.7 to 1.6 billion years ago are primarily known from deep boreholes in the north of the state ...

  4. Southeast Missouri Lead District - Wikipedia

    en.wikipedia.org/wiki/Southeast_Missouri_Lead...

    The formal geological name for the Lead Belt is the "Southeastern Missouri Mississippi Valley-type Mineral District". It contains the highest concentration of galena (lead(II) sulfide) in the world [2] as well as significant economic quantities of zinc, copper and silver and currently mined sub-economic quantities of metals such as cadmium, nickel and cobalt. [2]

  5. Rockwoods Reservation - Wikipedia

    en.wikipedia.org/wiki/Rockwoods_Reservation

    Rockwoods Reservation adjoins St. Louis County's 1,724 acres (698 ha) Greensfelder County Park to the south, which itself abuts the state's 1,388 acres (562 ha) Rockwoods Range Conservation Area. Taken together, these three parcels constitute a contiguous green belt of almost 5,000 acres (2,000 ha). The 14.5-mile (23.3 km) Greenrock Trail is a ...

  6. St. Louis Limestone - Wikipedia

    en.wikipedia.org/wiki/St._Louis_Limestone

    The St. Louis Limestone is a large geologic formation covering a wide area of the midwest of the United States. It is named after an exposure at St. Louis, Missouri . It consists of sedimentary limestone with scattered chert beds, including the heavily chertified Lost River Chert Bed in the Horse Cave Member .

  7. Elephant Rocks State Park - Wikipedia

    en.wikipedia.org/wiki/Elephant_Rocks_State_Park

    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.

  8. List of museums in Missouri - Wikipedia

    en.wikipedia.org/wiki/List_of_museums_in_Missouri

    International Bowling Museum, St. Louis, moved to Arlington, Texas in 2010; Memoryville USA, Rolla, closed in 2009 [67] Missouri Photojournalism Hall of Fame, Washington, closed in 2014 and seeking new location, website; National Video Game and Coin-Op Museum, St. Louis, closed in 1999 [68]

  9. KPNT - Wikipedia

    en.wikipedia.org/wiki/KPNT

    KPNT (105.7 FM, "105-7 The Point") is a commercial radio station licensed to Collinsville, Illinois, and broadcasting to Greater St. Louis. It mainly airs a modern rock radio format, with some elements of active rock. It is owned by Hubbard Broadcasting. KPNT has studios and offices in Creve Coeur (with a St. Louis address). [1]