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Map showing publication footprint
  • Usage in publication:
    • Logansport formation
  • Modifications:
    • [First used]
  • AAPG geologic province:
    • Arkla basin
Publication:

Murray, Grover, Jr., 1941, Midway stratigraphy of Sabine uplift, Louisiana and Texas [abs.]: American Association of Petroleum Geologists Bulletin, v. 25, no. 5, p. 941-942. [Available online, with subscription, from AAPG archives: http://www.aapg.org/datasystems or http://search.datapages.com]


Summary:

Consists of basal sand member, middle lignitic shale member, and upper calcareous member. Underlies Hall Summit formation (new); overlies Naborton formation (new). Age is Paleocene.

Source: US geologic names lexicon (USGS Bull. 1200, p. 2216-2217).


Map showing publication footprint
  • Usage in publication:
    • Logansport formation
  • Modifications:
    • Revised
  • AAPG geologic province:
    • Arkla basin
Publication:

Meagher, D.P., and Aycock, L.C., 1942, Louisiana lignite: Louisiana Department of Conservation and Geology Bulletin, no. 3, 56 p.


Summary:

Pg. 13. Logansport formation. Includes (ascending) Dolet Hills, Cow Bayou, and Lime Hill members (all new). Age is Paleocene.

Source: US geologic names lexicon (USGS Bull. 1200, p. 2216-2217).


Map showing publication footprint
  • Usage in publication:
    • Logansport formation
  • Modifications:
    • Principal reference
  • AAPG geologic province:
    • Arkla basin
    • East Texas basin
Publication:

Murray, G.E., Jr., and Thomas, E.P., 1945, Midway-Wilcox surface stratigraphy of Sabine uplift, Louisiana and Texas: American Association of Petroleum Geologists Bulletin, v. 29, no. 1, p. 45-70. [Available online, with subscription, from AAPG archives: http://www.aapg.org/datasystems or http://search.datapages.com]


Summary:

Pg. 48 (fig. 2), 57-58. Logansport formation. Includes all strata overlying Naborton beds and underlying Hall Summit formation; both contacts gradational. Type locality designated. Mapped in Texas. Age is Paleocene.
Type locality: eastern side of Sabine River just above bridge at Logans port, De Soto Parish, LA. Outcrop belt extends into Shelby and Panola Cos., TX.

Source: US geologic names lexicon (USGS Bull. 1200, p. 2216-2217).


Map showing publication footprint
  • Usage in publication:
    • Logansport formation
  • Modifications:
    • Overview
  • AAPG geologic province:
    • Arkla basin
Publication:

Murray, G.E., Jr., 1948, Geology of De Soto and Red River Parishes: Louisiana Department of Conservation and Geology Bulletin, no. 25, 312 p., (incl. geologic map, scale 1:62,500)


Summary:

Pg. 101-127. Logansport formation of Midway group. Described in De Soto and Red River Parishes. Includes (ascending) Dolet Hills, Cow Bayou, and Lime Hill members. [Overlies] Naborton formation; underlies Hall Summit formation. [Report includes geologic maps.]

Source: US geologic names lexicon (USGS Bull. 1200, p. 2216-2217).


Map showing publication footprint
  • Usage in publication:
    • Logansport formation
  • Modifications:
    • Areal extent
  • AAPG geologic province:
    • Arkla basin
Publication:

Andersen, H.V., 1960, Geology of Sabine Parish: Louisiana Department of Conservation and Geology Bulletin, no. 34, 164 p., (incl. geologic map, scale 1:62,500)


Summary:

Pg. 52. Term Logansport discontinued in Sabine Parish. Members raised to formation rank.

Source: US geologic names lexicon (USGS Bull. 1200, p. 2216-2217).


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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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