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  2. Geology of Mississippi - Wikipedia

    en.wikipedia.org/wiki/Geology_of_Mississippi

    The geology of Mississippi includes some deep igneous and metamorphic crystalline basement rocks from the Precambrian known only from boreholes in the north, as well as sedimentary sequences from the Paleozoic. The region long experienced shallow marine conditions during the tectonic evolutions of the Mesozoic and Cenozoic, as coastal plain ...

  3. Mississippi River Delta - Wikipedia

    en.wikipedia.org/wiki/Mississippi_River_Delta

    The Mississippi River Delta is a river-dominated delta system, influenced by the largest river system in North America. The shape of the current birdfoot delta reflects the dominance the river exerts over the other hydrologic and geologic processes at play in the northern Gulf of Mexico. [6]

  4. New Madrid Seismic Zone - Wikipedia

    en.wikipedia.org/wiki/New_Madrid_Seismic_Zone

    New Madrid Seismic Zone. The New Madrid Seismic Zone (NMSZ) ( / ˈmædrɪd / ), sometimes called the New Madrid Fault Line, is a major seismic zone and a prolific source of intraplate earthquakes (earthquakes within a tectonic plate) in the Southern and Midwestern United States, stretching to the southwest from New Madrid, Missouri .

  5. Mississippi River - Wikipedia

    en.wikipedia.org/wiki/Mississippi_River

    The Mississippi River empties into the Gulf of Mexico about 100 miles (160 km) downstream from New Orleans. Measurements of the length of the Mississippi from Lake Itasca to the Gulf of Mexico vary somewhat, but the United States Geological Survey's number is 2,340 miles (3,766 km).

  6. United States Geological Survey - Wikipedia

    en.wikipedia.org/.../United_States_Geological_Survey

    United States Geological Survey (USGS) / 38.9470; -77.3675. The United States Geological Survey ( USGS ), founded as the Geological Survey, is an agency of the United States government whose work spans the disciplines of biology, geography, geology, and hydrology. The agency was founded on March 3, 1879, to study the landscape of the United ...

  7. Jackson Volcano - Wikipedia

    en.wikipedia.org/wiki/Jackson_Volcano

    Jackson Volcano is an extinct volcano 2,900 feet (880 m) beneath the city of Jackson, Mississippi, under the Mississippi Coliseum. The uplifted terrain around the volcano forms the Jackson Dome, an area of dense rock clearly noticeable in local gravity measurements. [1] E.W. Hilgard published his theory of an anticline beneath Jackson in 1860 ...

  8. Mississippi River System - Wikipedia

    en.wikipedia.org/wiki/Mississippi_River_System

    The Mississippi River System, also referred to as the Western Rivers, is a mostly riverine network of the United States which includes the Mississippi River and connecting waterways. The Mississippi River is the largest drainage basin in the United States. [3] In the United States, the Mississippi drains about 59% of the country's rivers.

  9. Tallahatta Formation - Wikipedia

    en.wikipedia.org/wiki/Tallahatta_Formation

    Tallahatta Hills, Alabama. The Tallahatta Formation is a geologic formation found on the surface in Alabama, Florida, Georgia, and Mississippi. It is also located in the subsurface of Kentucky. [1] The Tallahatta formation is part of the Claiborne Group [2] and contains four members: the Basic City Shale in Mississippi, the Holy Springs Sand ...

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