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| to dissolve out soluble constituents from ashes and soil by percolation |
| thin, distinctive stratum useful for stratigraphic correlation |
| Mississippian (ˌmɪsɪˈsɪpɪən) | |
| —adj | |
| 1. | of or relating to the state of Mississippi or the Mississippi River |
| 2. | See also Pennsylvanian (in North America) of, denoting, or formed in the lower of two subdivisions of the Carboniferous period, which lasted for 30 million years |
| —n | |
| 3. | an inhabitant or native of the state of Mississippi |
| 4. | the Mississippian the Mississippian period or rock system equivalent to the lower Carboniferous of Europe |
| Mississippian (mĭs'ĭ-sĭp'ē-ən) Pronunciation Key
The fifth period of the Paleozoic Era, from about 360 to 320 million years ago. During this time shallow seas spread over former land areas and the first primitive conifers appeared. See Chart at geologic time. |