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Geologic Unit: Alva
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  • Usage in publication:
    • [Alva Clay Member]
    • Alva Clay
  • Modifications:
    • Original reference
  • Dominant lithology:
    • Clay
  • AAPG geologic province:
    • South Florida province
    • Florida platform
Publication:

Puri, H.S., and Vernon, R.O., 1964, Summary of the geology Florida and a guidebook to the classic exposures: Florida Geological Survey Special Publication, no. 5, 312 p., (Revised)


Summary:

Pg. 116, 213, figs. 31, 32. [Alva Clay Member of Tamiami Formation.] In Caloosahatchee area, Tamiami Formation consists of several lithologic units. Upper limestone unit is similar to exposures of Tamiami Formation in type area and is underlain by a barren fine-grained calcareous clay (Alva clay). Lowest unit consists of LaBelle clay (new). Age is late Miocene.
[Type locality not designated.] Mined in vicinity of Alva, Lee Co., southeastern FL.

Source: US geologic names lexicon (USGS Bull. 1350, p. 21); supplemental information from GNU records (USGS DDS-6; Reston GNULEX).


For more information, please contact Nancy Stamm, Geologic Names Committee Secretary.

Asterisk (*) indicates published by U.S. Geological Survey authors.

"No current usage" (†) implies that a name has been abandoned or has fallen into disuse. Former usage and, if known, replacement name given in parentheses ( ).

Slash (/) indicates name conflicts with nomenclatural guidelines (CSN, 1933; ACSN, 1961, 1970; NACSN, 1983, 2005, 2021). May be explained within brackets ([ ]).

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