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Tri-State and Viburnum Trend Districts.
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AN OVERVIEW
The Midwest contains two of the greatest concentrations of zinc and lead in the world. These are the Tri-State district of Oklahoma, Kansas, and Missouri and the world-class Viburnum Trend of southeastern Missouri. Deposits in both of these districts are of the Mississippi Valley-type (MVT). Such districts have a number of characteristics in common:
* The host rock is dolomitized limestone.
* The mining district is on a dome or arch.
* Mineralization is confined to stratigraphic units.
* Temperature of mineralization was…
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Tri-State and Viburnum Trend Districts.
...These are the Tri-State district of Oklahoma...the world-class Viburnum Trend of southeastern...in both of these districts are of the Mississippi...discoveries of the Tri-State and Viburnum Trend districts. THE TRI-STATE DISTRICT History... |
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Mississippi Valley-type deposits.(Word to the Wise)
...basins. Most districts cover hundreds...Illinois); the Viburnum Trend, southeast...States; the Tri-State district...Lennard Shelf districts, Australia...the Ozark districts of the Viburnum Trend; Zn/Pb...g., the Tri-State district... |
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