词条 | Tamiami Formation |
释义 |
| name = Tamiami Formation | image = | caption = | type = Geological formation | age = Late Miocene-Late Pliocene ~{{fossil range|13.06|2.6}} | period = Pliocene | prilithology = Sandstone, claystone, limestone | otherlithology = Phosphate | namedfor = Tamiami Trail (highway) | namedby = | region = Southwest Florida | country = {{flag|United States}} | coordinates = | unitof = | subunits = Buckingham Limestone Member, Ochopee Limestone Member, Bonita Springs Marl Member, Golden Gate Reef Member, Pinecrest Sand Member | underlies = | overlies = Hawthorn Group (see text) | thickness = {{convert|50|-|100|ft|m|abbr=on}} | extent = Charlotte-Monroe Counties | area = | map = | map_caption = }} The Tamiami Formation is a Late Miocene to Pliocene geologic formation in the southwest Florida peninsula.[1] AgePeriod: NeogeneEpoch: Late Miocene to Pliocene Faunal stage: Clarendonian through Blancan ~13.06—2.588 mya, calculates to a period of {{Mya|13.06-2.588|million years}} LocationThe Tamiami Formation appears in the counties of Charlotte, Lee, Hendry, Collier and Monroe. It is widespread in Florida and part of the intermediate confining aquifer system.[2] The Tamiami formation overlies the Hawthorn at every locality where the Hawthorn has been penetrated and is overlain unconformably by the Caloosahatchee marl of the Pliocene in Charlotte County. CompositionThe Tamiami Formation contains a wide range of mixed carbonate-siliciclastic lithologies and associated faunas. It occurs at or near the land surface in the southern peninsula with numerous named and unnamed members recognized within the Tamiami Formation. Its unevenness indicates that the upper part has been subjected to erosion.[3] LithologiesThe Tamiami Formation includes:
Phosphate is present in limited quantities throughout the Tamiami in sand and gravel. Sub-units
FossilsFossils appear in casts and molds, as well as original material.
References1. ^Parker, Garald G., 1951, Geologic and hydrologic factors in the perennial yield of the Biscayne aquifer: Jour. Am. Water Works Assoc., v. 43, no. 10, p. 817-834, 7 figs. 2. ^Mansfield, W. C., 1939, Notes on the upper Tertiary and Pleistocene mollusks of peninsular Florida: Florida Geological Survey Bulletin 18, 75 p. 3. ^Missimer, T.M., 1992, Stratigraphic relationships of sediment facies within the Tamiami Formation of southwestern Florida: Proposed intraformational correlations; in Scott, T.M., and Allmon, W.D., (eds.), The Plio-Pleistocene stratigraphy and paleontology of southern Florida; Florida Geological Survey Special Publication 36, p. 63-92. Further reading
8 : Geologic formations of Florida|Miocene United States|Miocene Series of North America|Neogene Florida|Sandstone formations of the United States|Limestone formations of the United States|Fossiliferous stratigraphic units of North America|Paleontology in Florida |
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