- Usage in publication:
-
- Alaqua phase
- Modifications:
-
- Original reference
- AAPG geologic province:
-
- Mid-Gulf Coast basin
Johnson, L.C., 1893, The Miocene group of Alabama [abs.]: Science, new series, v. 21, p. 90-91.
Summary:
Pg. 90-91. Alaqua phase. Alaqua phase of the Miocene is the Chesapeake. It overlies Euchee phase, and has larger shells than the Euchee. It is the formation of upper bluffs at Abes Spring, and is perfectly and largely developed on bluffs of Yellow River from Alabama line to Milligen, Florida, the most northern of these beds being the low shell landing at Oak Grove, 6 miles south of Alabama line. Age is middle Miocene.
[Named from Alaqua Creek, Walton Co., northwestern FL.]
Source: US geologic names lexicon (USGS Bull. 896, p. 22-23).
- Usage in publication:
-
- Alaqua phaseâ€
- Modifications:
-
- Abandoned
- AAPG geologic province:
-
- Mid-Gulf Coast basin
Summary:
According to studies of Julia Gardner these beds are Shoal River formation, and Johnson's Euchee phase is probably younger and belongs to Choctawhatchee formation.
Source: US geologic names lexicon (USGS Bull. 896, p. 22-23).
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 ([ ]).